<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1315-0162</journal-id>
<journal-title><![CDATA[Saber]]></journal-title>
<abbrev-journal-title><![CDATA[Saber]]></abbrev-journal-title>
<issn>1315-0162</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1315-01622016000400008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia del edema macular cistoideo en pacientes adultos intervenidos de catarata por la técnica de facoemulsificación]]></article-title>
<article-title xml:lang="en"><![CDATA[CYSTOID MACULAR EDEMA PREVALENCE IN PATIENTS UNDERGOING CATARACT SURGERY BY PHACOEMULSIFICATION]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[GUARACHE]]></surname>
<given-names><![CDATA[DANIEL ERNESTO]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[GUARACHE]]></surname>
<given-names><![CDATA[FERNANDO ELÍAS]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[LEÓN GUARACHE]]></surname>
<given-names><![CDATA[FERNANDO]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Universitario Dr. Antonio Patricio de Alcalá Servicio de Oftalmología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Grupo Oftalmológico Guarache  ]]></institution>
<addr-line><![CDATA[Cumaná ]]></addr-line>
<country>Venezuela</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>28</volume>
<numero>4</numero>
<fpage>736</fpage>
<lpage>743</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_arttext&amp;pid=S1315-01622016000400008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_abstract&amp;pid=S1315-01622016000400008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://ve.scielo.org/scielo.php?script=sci_pdf&amp;pid=S1315-01622016000400008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El objetivo del presente trabajo fue establecer la prevalencia del edema macular cistoideo, en pacientes intervenidos quirúrgicamente por la técnica de facoemulsificación con implantación de lente intraocular. Los pacientes fueron atendidos en el servicio de oftalmología del Hospital Universitario de Caracas, durante un periodo consecutivo de 3 meses en el año 2014. Las variables estudiadas fueron: agudeza visual corregida y medición del grosor foveal mediante tomografía de coherencia óptica (OCT) a las 4 semanas de haber sido intervenidos quirúrgicamente. La muestra estuvo formada por 50 ojos de pacientes intervenidos quirúrgicamente de catarata por la técnica evaluada. Los pacientes se dividieron según su agudeza visual corregida en cuatro grupos: grupo I: entre 20/20 y 20/40, grupo II: entre 20/50 y 20/70, grupo III: entre 20/80 y 20/200 y el grupo IV: 20/400 o menos. El 90% de los ojos estudiados se ubicó en el grupo I. El grosor foveal promedio encontrado fue de 172 ± 13 µm. Hubo dos pacientes (4%) complicados con ruptura de la cápsula posterior, uno de los cuáles presentó disminución de la agudeza visual corregida de 20/40 (2%), además de implantación del lente intraocular en el sulcus ciliar (2%) y grosor foveal de 198 µm. Por otra parte, el segundo paciente complicado por implantación del lente intraocular en el sulcus ciliar (2%) tampoco tuvo incidencia en la agudeza visual. La prevalencia de edema macular cistoideo fue de 2%. Las complicaciones identificadas en el paciente que desarrolló edema macular cistoideo pseudofáquico fueron: ruptura capsular posterior durante la cirugía de cataratas, e implante del lente intraocular en el sulcus ciliar. La OCT resultó ser una técnica diagnóstica no invasiva, precisa y confiable en el diagnóstico del EMC pseudofáquico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The objective of the present study was to establish the prevalence of cystoid macular edema (CME), in patients operated by the technique of phacoemulsification with implantation of intraocular lens. Patients were attended in the Ophthalmology Service at the University Hospital of Caracas for a consecutive period of 3 months in the year 2014. The variables studied were: corrected visual acuity and measurement of the foveal thickness by optical coherence tomography (OCT), 4 weeks after surgery. The sample was composed of 50 patients operated of cataract by the evaluated technique, and divided according to their corrected visual acuity into four groups: Group I: between 20/20 and 20/40, group II: 20/50 to 20/70, group III: between 80/20 and 20/200 and the Group IV: 20/400 or less. Ninety per cent of the eyes studied were ranked in Group I. Average foveal thickness was 172 ± 13 µm. There were two (4%) patients complicated with rupture of the posterior capsule, one of which showed decrease of corrected visual acuity 20/40 (2%), as well as implantation of the intraocular lens in the ciliary sulcus (2%) and 198 µm foveal thickness; the other patient, with posterior capsule rupture, did not have impact on the visual acuity. On the other hand, the second patient complicated by implantation of the intraocular lens in the ciliary sulcus (2%) did not have impact on visual acuity. The prevalence of CME was 2%. The complications identified in the patient that developed pseudofaquic CME were: posterior capsular rupture during surgery of cataract, and implant of the intraocular lens in the ciliary sulcus. OCT demonstrated to be a non-invasive diagnostic technique, accurate and reliable in the diagnosis of pseudofaquic CME.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Pseudofáquico]]></kwd>
<kwd lng="es"><![CDATA[lente intraocular]]></kwd>
<kwd lng="es"><![CDATA[agudeza visual]]></kwd>
<kwd lng="es"><![CDATA[tomografía]]></kwd>
<kwd lng="es"><![CDATA[coherencia óptica]]></kwd>
<kwd lng="en"><![CDATA[Pseudophaquic]]></kwd>
<kwd lng="en"><![CDATA[intraocular lens]]></kwd>
<kwd lng="en"><![CDATA[visual acuity]]></kwd>
<kwd lng="en"><![CDATA[tomography]]></kwd>
<kwd lng="en"><![CDATA[optical coherence]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <div style="text-align: justify; font-family: Verdana;">     <div style="text-align: center;"><font style="font-weight: bold;" size="-1">PREVALENCIA DEL EDEMA MACULAR CISTOIDEO EN PACIENTES ADULTOS INTERVENIDOS DE CATARATA POR LA T&Eacute;CNICA DE FACOEMULSIFICACI&Oacute;N </font><br style="font-weight: bold;">   <font style="font-weight: bold;" size="-1">&nbsp;</font><br style="font-weight: bold;">   <font style="font-weight: bold;" size="-1">DANIEL ERNESTO GUARACHE<sup>1,2</sup>, FERNANDO EL&Iacute;AS GUARACHE<sup>1,2</sup>, FERNANDO LE&Oacute;N GUARACHE<sup>1,2</sup> </font>    <br>   </div>   <font size="-1">    <br>   1 Hospital Universitario Dr. Antonio Patricio de Alcal&aacute;, Servicio de Oftalmolog&iacute;a,    <br>   2 Grupo Oftalmol&oacute;gico Guarache,&nbsp; Cuman&aacute;, Venezuela. E-mail: danielguarache@gmail.com    <br>   &nbsp;    <br>   <span style="font-weight: bold;">RESUMEN</span>    <br>   &nbsp;    <br>   El&nbsp; objetivo&nbsp; del&nbsp; presente&nbsp; trabajo&nbsp; fue&nbsp; establecer&nbsp; la&nbsp; prevalencia&nbsp; del&nbsp; edema&nbsp; macular&nbsp; cistoideo,&nbsp; en&nbsp; pacientes intervenidos&nbsp; quir&uacute;rgicamente&nbsp; por&nbsp; la&nbsp; t&eacute;cnica&nbsp; de&nbsp; facoemulsificaci&oacute;n&nbsp; con&nbsp; implantaci&oacute;n&nbsp; de&nbsp; lente&nbsp; intraocular.&nbsp; Los pacientes&nbsp; fueron&nbsp; atendidos&nbsp; en&nbsp; el&nbsp; servicio&nbsp; de&nbsp; oftalmolog&iacute;a&nbsp; del&nbsp; Hospital&nbsp; Universitario&nbsp; de&nbsp; Caracas,&nbsp; durante&nbsp; un periodo&nbsp; consecutivo&nbsp; de&nbsp; 3&nbsp; meses&nbsp; en&nbsp; el&nbsp; a&ntilde;o&nbsp; 2014.&nbsp; Las&nbsp; variables&nbsp; estudiadas&nbsp; fueron:&nbsp; agudeza&nbsp; visual&nbsp; corregida&nbsp; y medici&oacute;n&nbsp; del&nbsp; grosor&nbsp; foveal&nbsp; mediante&nbsp; tomograf&iacute;a&nbsp; de&nbsp; coherencia&nbsp; &oacute;ptica&nbsp; (OCT)&nbsp; a&nbsp; las&nbsp; 4&nbsp; semanas&nbsp; de&nbsp; haber&nbsp; sido intervenidos quir&uacute;rgicamente. La muestra estuvo formada por 50 ojos de pacientes intervenidos quir&uacute;rgicamente de&nbsp; catarata&nbsp; por&nbsp; la&nbsp; t&eacute;cnica&nbsp; evaluada.&nbsp; Los&nbsp; pacientes&nbsp; se&nbsp; dividieron&nbsp; seg&uacute;n&nbsp; su&nbsp; agudeza&nbsp; visual&nbsp; corregida&nbsp; en&nbsp; cuatro grupos: grupo I: entre 20/20 y 20/40, grupo II: entre 20/50 y 20/70, grupo III: entre 20/80 y 20/200 y el grupo IV: 20/400 o menos. El 90% de los ojos estudiados se ubic&oacute; en el grupo I. El grosor foveal promedio encontrado fue de 172 &plusmn; 13 &micro;m. Hubo dos pacientes (4%) complicados con ruptura de la c&aacute;psula posterior, uno de los cu&aacute;les present&oacute; disminuci&oacute;n de la agudeza visual corregida de 20/40 (2%), adem&aacute;s de implantaci&oacute;n del lente intraocular en&nbsp; el&nbsp; sulcus&nbsp; ciliar&nbsp; (2%)&nbsp; y&nbsp; grosor&nbsp; foveal&nbsp; de&nbsp; 198&nbsp; &micro;m.&nbsp; Por&nbsp; otra&nbsp; parte,&nbsp; el&nbsp; segundo&nbsp; paciente&nbsp; complicado&nbsp; por implantaci&oacute;n&nbsp; del&nbsp; lente&nbsp; intraocular&nbsp; en&nbsp; el&nbsp; sulcus&nbsp; ciliar&nbsp; (2%)&nbsp; tampoco&nbsp; tuvo&nbsp; incidencia&nbsp; en&nbsp; la&nbsp; agudeza&nbsp; visual.&nbsp; La prevalencia de edema macular cistoideo fue de 2%. Las complicaciones identificadas en el paciente que desarroll&oacute; edema&nbsp; macular&nbsp; cistoideo&nbsp; pseudof&aacute;quico&nbsp; fueron:&nbsp; ruptura&nbsp; capsular&nbsp; posterior&nbsp; durante&nbsp; la&nbsp; cirug&iacute;a&nbsp; de&nbsp; cataratas,&nbsp; e implante del lente intraocular en el sulcus ciliar. La OCT result&oacute; ser una t&eacute;cnica diagn&oacute;stica no invasiva, precisa y confiable en el diagn&oacute;stico del EMC pseudof&aacute;quico.    <br>   &nbsp;    ]]></body>
<body><![CDATA[<br>   <span style="font-weight: bold;">PALABRAS CLAVE:</span> Pseudof&aacute;quico, lente intraocular, agudeza visual, tomograf&iacute;a, coherencia &oacute;ptica.    <br>       <br>   </font>     <div style="text-align: center;"><font style="font-weight: bold;" size="-1">CYSTOID MACULAR EDEMA PREVALENCE IN PATIENTS UNDERGOING CATARACT SURGERY BY PHACOEMULSIFICATION </font>    <br>   </div>   <font size="-1"><span style="font-weight: bold;">&nbsp;</span><span style="font-weight: bold;">ABSTRACT</span>    <br>   &nbsp;    <br>   The objective of the present study was to establish the prevalence of cystoid macular edema (CME), in patients operated by the technique of phacoemulsification with implantation of intraocular lens. Patients were attended in the Ophthalmology Service at the University Hospital of Caracas for a consecutive period of 3 months in the year 2014.&nbsp; The&nbsp; variables&nbsp; studied&nbsp; were:&nbsp; corrected&nbsp; visual&nbsp; acuity&nbsp; and&nbsp; measurement&nbsp; of&nbsp; the&nbsp; foveal&nbsp; thickness&nbsp; by&nbsp; optical coherence&nbsp; tomography&nbsp; (OCT),&nbsp; 4&nbsp; weeks&nbsp; after&nbsp; surgery.&nbsp; The&nbsp; sample&nbsp; was&nbsp; composed&nbsp; of&nbsp; 50&nbsp; patients&nbsp; operated&nbsp; of cataract by the evaluated technique, and divided according to their corrected visual acuity into four groups: Group I: between 20/20 and 20/40, group II: 20/50 to 20/70, group III: between 80/20 and 20/200 and the Group IV: 20/400 or less. Ninety per cent of the eyes studied were ranked in Group I. Average foveal thickness was 172 &plusmn; 13 &micro;m. There were two (4%) patients complicated with rupture of the posterior capsule, one of which showed decrease of corrected visual acuity 20/40 (2%), as well as implantation of the intraocular lens in the ciliary sulcus (2%) and 198 &micro;m foveal thickness; the other patient, with posterior capsule rupture, did not have impact on the visual acuity. On the other hand, the second patient complicated by implantation of the intraocular lens in the ciliary sulcus (2%) did not have impact on visual acuity. The prevalence of CME was 2%. The complications identified&nbsp; in&nbsp; the&nbsp; patient&nbsp; that&nbsp; developed&nbsp; pseudofaquic&nbsp; CME&nbsp; were:&nbsp; posterior&nbsp; capsular&nbsp; rupture&nbsp; during&nbsp; surgery&nbsp; of cataract,&nbsp; and&nbsp; implant&nbsp; of&nbsp; the&nbsp; intraocular&nbsp; lens&nbsp; in&nbsp; the&nbsp; ciliary&nbsp; sulcus.&nbsp; OCT&nbsp; demonstrated&nbsp; to&nbsp; be&nbsp; a&nbsp; non-invasive diagnostic technique, accurate and reliable in the diagnosis of pseudofaquic CME.     <br>   &nbsp;    <br>   <span style="font-weight: bold;">KEY WORDS:</span> Pseudophaquic, intraocular lens, visual acuity, tomography, optical coherence.    <br>   &nbsp;    ]]></body>
<body><![CDATA[<br>   Recibido: marzo 2016. Aprobado: julio 2016. Versi&oacute;n final: septiembre 2016.    <br>   &nbsp;    <br>   <span style="font-weight: bold;">INTRODUCCI&Oacute;N</span>    <br>       <br>   La presencia de catarata es la principal causa de p&eacute;rdida progresiva de la agudeza visual (AV) en la poblaci&oacute;n adulta. La tasa anual de cirug&iacute;a de catarata se ha elevado de 1,2 a 7,2 por cada 1.000 habitantes en los &uacute;ltimos a&ntilde;os, lo cual se explica por el aumento de procedimientos quir&uacute;rgicos de forma&nbsp; m&aacute;s&nbsp; precoz&nbsp; (Brizzi&nbsp; et&nbsp; al.&nbsp; 2006).&nbsp; Las t&eacute;cnicas utilizadas y los resultados de la cirug&iacute;a de catarata&nbsp; han&nbsp; cambiado&nbsp; durante&nbsp; las&nbsp; &uacute;ltimas d&eacute;cadas, en donde se estima que la facoemulsificaci&oacute;n es el procedimiento quir&uacute;rgico m&aacute;s&nbsp; usado&nbsp; por&nbsp; los&nbsp; oftalm&oacute;logos,&nbsp; representando una t&eacute;cnica segura y confiable hoy d&iacute;a (Dholakia y Vasavada 2004).    <br>       <br>   La&nbsp; facoemulsificaci&oacute;n&nbsp; e&nbsp; implante&nbsp; de&nbsp; lente intraocular (LIO) plegable es la t&eacute;cnica preferida en&nbsp; la&nbsp; actualidad&nbsp; (Lobo&nbsp; 2012),&nbsp; ya&nbsp; que&nbsp; mejora&nbsp; la calidad&nbsp; de&nbsp; vida&nbsp; del&nbsp; paciente,&nbsp; m&aacute;s&nbsp; que&nbsp; cualquier otro m&eacute;todo utilizado. Uno de los factores claves para&nbsp; aumentar&nbsp; la&nbsp; tasa&nbsp; de&nbsp; &eacute;xito&nbsp; en&nbsp; esta&nbsp; cirug&iacute;a&nbsp; es decidir el procedimiento de forma precoz, debido a&nbsp; que&nbsp; con&nbsp; el&nbsp; tiempo&nbsp; las&nbsp; fibras&nbsp; cristalinianas&nbsp; van cambiando&nbsp; su&nbsp; configuraci&oacute;n&nbsp; hasta&nbsp; transformarse en&nbsp; una&nbsp; catarata&nbsp; brunescente&nbsp; de&nbsp; n&uacute;cleo&nbsp; duro.&nbsp; La facoemulsificaci&oacute;n&nbsp; est&aacute;&nbsp; indicada&nbsp; cuando&nbsp; la calidad&nbsp; de&nbsp; vida&nbsp; del&nbsp; paciente&nbsp; es&nbsp; afectada&nbsp; por&nbsp; el impedimento visual y la evaluaci&oacute;n preoperatoria revela que el potencial de recuperaci&oacute;n visual es bueno&nbsp; (Boyd&nbsp; 2002).&nbsp; La&nbsp; recuperaci&oacute;n&nbsp; visual temprana&nbsp; es&nbsp; de&nbsp; suma&nbsp; importancia&nbsp; para&nbsp; que&nbsp; el paciente&nbsp; pueda&nbsp; retomar&nbsp; de&nbsp; forma&nbsp; precoz&nbsp; sus actividades&nbsp; de&nbsp; rutina.&nbsp; Diferir&nbsp; la&nbsp; cirug&iacute;a&nbsp; puede significar&nbsp; operar&nbsp; cataratas&nbsp; nucleares&nbsp; densas,&nbsp; lo cual&nbsp; aumenta&nbsp; el&nbsp; riesgo&nbsp; de&nbsp; desgarros,&nbsp; tanto&nbsp; de&nbsp; la c&aacute;psula anterior como posterior, aunque se realice extracci&oacute;n extracapsular programada o facoemulsificaci&oacute;n. Esta situaci&oacute;n puede llevar a una&nbsp; serie&nbsp; de&nbsp; complicaciones&nbsp; como:&nbsp; luxaci&oacute;n&nbsp; del cristalino,&nbsp; afaquia,&nbsp; p&eacute;rdida&nbsp; v&iacute;trea,&nbsp; queratopat&iacute;a bulosa&nbsp; y&nbsp; edema&nbsp; macular&nbsp; cistoideo&nbsp; (EMC),&nbsp; que aumentan la morbilidad y comprometen a&uacute;n m&aacute;s la AV definitiva del paciente (Boyd 2002). A pesar que el EMC pseudof&aacute;quico se presenta con&nbsp; frecuencia,&nbsp; casi&nbsp; siempre&nbsp; es&nbsp; autolimitado&nbsp; y subcl&iacute;nico,&nbsp; y&nbsp; se&nbsp; desarrolla&nbsp; t&iacute;picamente&nbsp; de&nbsp; 4&nbsp; a&nbsp; 6 semanas posteriores a la cirug&iacute;a de catarata, y fue inicialmente reportado por Irvine en el a&ntilde;o 1953, siendo&nbsp; conocido&nbsp; como&nbsp; s&iacute;ndrome&nbsp; de&nbsp; Irvine-Gass (Ryan 2001). Representa una respuesta patol&oacute;gica inespec&iacute;fica&nbsp; debida&nbsp; a&nbsp; la&nbsp; disrupci&oacute;n&nbsp; de&nbsp; la permeabilidad normal selectiva de la barrera que protege&nbsp; la&nbsp; retina&nbsp; (hematorretiniana)&nbsp; e&nbsp; impide&nbsp; el libre movimiento de los elementos constituyentes del plasma hacia la retina y, en combinaci&oacute;n con sistemas activos y pasivos de transporte, juega un papel&nbsp; importante&nbsp; en&nbsp; el&nbsp; mantenimiento&nbsp; y&nbsp; la homeostasis&nbsp; de&nbsp; la&nbsp; retina&nbsp; neurosensorial&nbsp; (Pulido 2001, Ryan 2001, Brar et al. 2010).    <br>       <br>   Cuando&nbsp; hay&nbsp; disrupci&oacute;n&nbsp; de&nbsp; la&nbsp; barrera hematorretiniana se produce expansi&oacute;n significativa del espacio extracelular de la retina, debido&nbsp; a&nbsp; la&nbsp; entrada&nbsp; de&nbsp; agua&nbsp; y&nbsp; elementos constituyentes&nbsp; del&nbsp; plasma&nbsp; sin&nbsp; ning&uacute;n&nbsp; tipo&nbsp; de restricci&oacute;n. Esta expansi&oacute;n del espacio extracelular conlleva a la acumulaci&oacute;n de fluidos en&nbsp; la&nbsp; regi&oacute;n&nbsp; macular&nbsp; con&nbsp; un&nbsp; incremento correspondiente del grosor de la retina parafoveal. La acumulaci&oacute;n progresiva de fluidos en forma de espacios&nbsp; qu&iacute;sticos,&nbsp; localizados&nbsp; entre&nbsp; las&nbsp; capas plexiforme externa y nuclear interna de la retina, se denomina EMC (Ryan 2001).    <br>       ]]></body>
<body><![CDATA[<br>   El&nbsp; EMC&nbsp; puede&nbsp; presentarse&nbsp; en&nbsp; m&uacute;ltiples condiciones patol&oacute;gicas oculares que incluyen la afaquia,&nbsp; oclusi&oacute;n&nbsp; venosa&nbsp; retiniana,&nbsp; retinosis pigmentaria&nbsp; y&nbsp; en&nbsp; patolog&iacute;as&nbsp; sist&eacute;micas&nbsp; con afectaci&oacute;n ocular, en especial la diabetes mellitus (Catier et al. 2005).    <br>       <br>   El EMC se diagnostica por cl&iacute;nica, a trav&eacute;s de oftalmoscop&iacute;a indirecta y se confirma a trav&eacute;s de m&uacute;ltiples&nbsp; m&eacute;todos&nbsp; de&nbsp; diagn&oacute;stico&nbsp; por&nbsp; im&aacute;genes, entre&nbsp; los&nbsp; que&nbsp; destacan:&nbsp; (a)&nbsp; Angiograf&iacute;a fluoresce&iacute;nica&nbsp; (AGF),&nbsp; que&nbsp; es&nbsp; cl&iacute;nicamente&nbsp; el examen disponible m&aacute;s usado. Permite el estudio de&nbsp; la&nbsp; circulaci&oacute;n&nbsp; retiniana&nbsp; y&nbsp; coroidea&nbsp; en condiciones normales y patol&oacute;gicas. Este examen permite&nbsp; detectar&nbsp; alteraciones&nbsp; en&nbsp; la&nbsp; barrera hematorretiniana. Tiene como desventaja el de ser un&nbsp; m&eacute;todo&nbsp; invasivo&nbsp; que&nbsp; puede&nbsp; ocasionar complicaciones&nbsp; severas&nbsp; y&nbsp; no&nbsp; siempre&nbsp; hay correlaci&oacute;n entre el grado de hiperfluorescencia y la p&eacute;rdida visual (Tranos et al. 2004, Torr&oacute;n et al. 2006). La AGF demuestra la fuga de fluido a partir de los capilares perifoveales,&nbsp; y en algunos casos en el nervio &oacute;ptico (Gulkilik et al. 2006). El EMC angiogr&aacute;fico&nbsp; puede&nbsp; presentarse&nbsp; con&nbsp; hallazgos patol&oacute;gicos en la AGF, sin afectaci&oacute;n de la AV, el cual&nbsp; ha&nbsp; sido&nbsp; reportado&nbsp; hasta&nbsp; en&nbsp; un&nbsp; 50%&nbsp; de&nbsp; los pacientes&nbsp; intervenidos&nbsp; de&nbsp; catarata,&nbsp; complicada&nbsp; o no.&nbsp; As&iacute;&nbsp; mismo,&nbsp; el&nbsp; EMC&nbsp; cl&iacute;nico&nbsp; adem&aacute;s&nbsp; de&nbsp; los cambios&nbsp; angiogr&aacute;ficos&nbsp; puede&nbsp; asociarse&nbsp; con disminuci&oacute;n&nbsp; de&nbsp; la&nbsp; AV&nbsp; con&nbsp; una&nbsp; incidencia&nbsp; que oscila entre el 0,2 y el 13% (Gulkilik et al. 2006, Torr&oacute;n&nbsp; et&nbsp; al.&nbsp; 2006)&nbsp; y&nbsp; (b)&nbsp; Tomograf&iacute;a&nbsp; de coherencia &oacute;ptica (OCT), resulta un procedimiento no invasivo, por lo cual es el m&aacute;s usado,&nbsp; que&nbsp; se&nbsp; basa&nbsp; en&nbsp; la&nbsp; interferometr&iacute;a&nbsp; de&nbsp; baja coherencia&nbsp; y&nbsp; obtiene&nbsp; im&aacute;genes&nbsp; de&nbsp; los&nbsp; cortes&nbsp; del tejido&nbsp; retiniano&nbsp; en&nbsp; alta&nbsp; resoluci&oacute;n,&nbsp; permitiendo cuantificar&nbsp; el&nbsp; grosor&nbsp; retiniano.&nbsp; Debido&nbsp; a&nbsp; que&nbsp; la OCT&nbsp; opera&nbsp; con&nbsp; rayos&nbsp; de&nbsp; longitud&nbsp; de&nbsp; onda pr&oacute;ximos a la luz infrarroja es m&iacute;nima la molestia del&nbsp; paciente&nbsp; al&nbsp; realizar&nbsp; el&nbsp; examen.&nbsp; Este&nbsp; estudio est&aacute;&nbsp; indicado&nbsp; para&nbsp; la&nbsp; detecci&oacute;n&nbsp; temprana&nbsp; y seguimiento&nbsp; de&nbsp; pacientes&nbsp; con&nbsp; EMC.&nbsp; Se&nbsp; ha demostrado&nbsp; que&nbsp; la&nbsp; OCT&nbsp; obtiene&nbsp; mediciones altamente&nbsp; reproducibles&nbsp; y&nbsp; es&nbsp; m&aacute;s&nbsp; efectivo&nbsp; en&nbsp; la detecci&oacute;n&nbsp; del&nbsp; EMC&nbsp; que&nbsp; la&nbsp; AGF,&nbsp; ya&nbsp; que&nbsp; puede demostrar&nbsp; la&nbsp; distribuci&oacute;n&nbsp; axial&nbsp; del&nbsp; fluido&nbsp; en&nbsp; la m&aacute;cula (Tranos et al. 2004, Brizzi et al. 2006). El EMC&nbsp; pseudof&aacute;quico&nbsp; puede&nbsp; ser&nbsp; diagnosticado usando&nbsp; &uacute;nicamente&nbsp; m&eacute;todos&nbsp; no&nbsp; invasivos, accesibles&nbsp; y&nbsp; r&aacute;pidos&nbsp; como&nbsp; la&nbsp; OCT,&nbsp; obteniendo adem&aacute;s detalles de la microestructura retiniana y otros datos espec&iacute;ficos como el grosor exacto de la f&oacute;vea (Torr&oacute;n et al. 2006).     <br>       <br>   Los pacientes intervenidos de cataratas, tanto por&nbsp; la&nbsp; t&eacute;cnica&nbsp; de&nbsp; extracci&oacute;n&nbsp; extracapsular&nbsp; o&nbsp; de facoemulsificaci&oacute;n, son susceptibles de desarrollar&nbsp; un&nbsp; EMC&nbsp; como&nbsp; consecuencia&nbsp; de&nbsp; los cambios de presi&oacute;n a nivel de la c&aacute;mara anterior del&nbsp; globo&nbsp; ocular&nbsp; y&nbsp; del&nbsp; proceso&nbsp; inflamatorio postquir&uacute;rgico.Actualmente, la facoemulsificaci&oacute;n&nbsp; es&nbsp; el&nbsp; procedimiento&nbsp; de extracci&oacute;n&nbsp; de&nbsp; cataratas&nbsp; m&aacute;s&nbsp; usado&nbsp; en&nbsp; todo&nbsp; el mundo.&nbsp; Esta&nbsp; t&eacute;cnica&nbsp; permite&nbsp; mejores&nbsp; resultados visuales&nbsp; mientras&nbsp; menor&nbsp; es&nbsp; la&nbsp; dureza&nbsp; de&nbsp; la catarata,&nbsp; lo&nbsp; que&nbsp; conlleva&nbsp; a&nbsp; la&nbsp; realizaci&oacute;n&nbsp; de procedimientos&nbsp; quir&uacute;rgicos&nbsp; cada&nbsp; vez&nbsp; m&aacute;s precoces&nbsp; y,&nbsp; como&nbsp; consecuencia,&nbsp; a&nbsp; un&nbsp; mayor n&uacute;mero&nbsp; de&nbsp; extracciones&nbsp; de&nbsp; cataratas&nbsp; al&nbsp; a&ntilde;o.&nbsp; El EMC es conocido como la causa m&aacute;s frecuente de disminuci&oacute;n de la AV despu&eacute;s de una cirug&iacute;a de catarata&nbsp; no&nbsp; complicada&nbsp; (Catier&nbsp; et&nbsp; al.&nbsp; 2005, Vajpayee&nbsp; et&nbsp; al.&nbsp; 2005,&nbsp; Gulkilik&nbsp; et&nbsp; al.&nbsp; 2006, Centuri&oacute;n&nbsp; et&nbsp; al.&nbsp; 2007).&nbsp; Algunos&nbsp; trabajos&nbsp; de investigaci&oacute;n reportan que el EMC se presenta en el 50% de los casos operados de cataratas por la t&eacute;cnica&nbsp; de&nbsp; facoemulsificaci&oacute;n&nbsp; no&nbsp; complicada (Gulkilik et al. 2006, Torr&oacute;n et al. 2006).     <br>       <br>   El estudio del EMC en todo paciente operado de&nbsp; catarata&nbsp; en&nbsp; el&nbsp; servicio&nbsp; de&nbsp; oftalmolog&iacute;a&nbsp; del Hospital&nbsp; Universitario&nbsp; de&nbsp; Caracas,&nbsp; usando&nbsp; la OCT,&nbsp; permitir&iacute;a&nbsp; conocer&nbsp; la&nbsp; prevalencia&nbsp; de&nbsp; esta patolog&iacute;a,&nbsp; as&iacute;&nbsp; como&nbsp; los&nbsp; factores&nbsp; de&nbsp; riesgo&nbsp; para desarrollar EMC pseudof&aacute;quico (ruptura capsular posterior&nbsp; durante&nbsp; la&nbsp; cirug&iacute;a,&nbsp; tiempo&nbsp; quir&uacute;rgico prolongado,&nbsp; diabetes&nbsp; mellitus,&nbsp; entre&nbsp; otros).&nbsp; De&nbsp; esta&nbsp; forma&nbsp; se&nbsp; podr&iacute;a&nbsp; iniciar&nbsp; tratamiento profil&aacute;ctico&nbsp; en&nbsp; pacientes&nbsp; con&nbsp; EMC&nbsp; en&nbsp; estad&iacute;o subcl&iacute;nico&nbsp; (portadores&nbsp; de&nbsp; factores&nbsp; de&nbsp; riesgo)&nbsp; y evitar la afectaci&oacute;n de la AV y, en el caso del EMC cl&iacute;nico, aplicar tratamiento oportuno adecuado.    <br>       <br>   Considerando&nbsp; lo&nbsp; expuesto&nbsp; anteriormente,&nbsp; se plante&oacute; la evaluaci&oacute;n oftalmol&oacute;gica, con medici&oacute;n de la AV, tonometr&iacute;a, oftalmoscop&iacute;a, as&iacute; como la realizaci&oacute;n de OCT macular a todos&nbsp; los pacientes intervenidos de catarata por la t&eacute;cnica de facoemulsificaci&oacute;n con el objetivo de determinar la&nbsp; prevalencia&nbsp; del&nbsp; EMC&nbsp; pseudof&aacute;quico,&nbsp; en&nbsp; el servicio de oftalmolog&iacute;a del Hospital Universitario&nbsp; de&nbsp; Caracas,&nbsp; con&nbsp; el&nbsp; prop&oacute;sito&nbsp; de iniciar tratamiento oportuno y evitar la cronicidad del edema para mejorar la calidad visual en estos pacientes.    <br>   <br style="font-weight: bold;">   <span style="font-weight: bold;">MATERIALES Y M&Eacute;TODOS</span>    ]]></body>
<body><![CDATA[<br>       <br>   Estudio&nbsp; descriptivo&nbsp; y&nbsp; prospectivo,&nbsp; de&nbsp; corte transversal. La muestra intencional fue de 50 ojos de&nbsp; pacientes&nbsp; intervenidos&nbsp; quir&uacute;rgicamente&nbsp; de catarata por la t&eacute;cnica de facoemulsificaci&oacute;n, con implante&nbsp; de&nbsp; lente&nbsp; LIO&nbsp; en&nbsp; la&nbsp; c&aacute;mara&nbsp; posterior, complicada&nbsp; o&nbsp; no,&nbsp; realizados&nbsp; por&nbsp; el&nbsp; personal m&eacute;dico del servicio de oftalmolog&iacute;a del Hospital Universitario de Caracas, en el lapso comprendido entre&nbsp; agosto&nbsp; y&nbsp; octubre&nbsp; de&nbsp; 2014,&nbsp; que&nbsp; se encontraban en la cuarta semana de postoperatorio.&nbsp; A&nbsp; cada&nbsp; paciente&nbsp; se&nbsp; realiz&oacute;&nbsp; la historia&nbsp; oftalmol&oacute;gica&nbsp; completa&nbsp; que&nbsp; incluy&oacute;&nbsp; los antecedentes&nbsp; personales,&nbsp; prestando&nbsp; especial atenci&oacute;n a los pacientes diab&eacute;ticos e hipertensos, debido su mayor riesgo de desarrollar EMC.    <br>       <br>   <span style="font-weight: bold;">Normas de bio&eacute;tica</span>    <br>       <br>   Los&nbsp; pacientes&nbsp; involucrados&nbsp; en&nbsp; el&nbsp; presente estudio, fueron informados sobre los procedimientos, objetivos y m&eacute;todos utilizados en la investigaci&oacute;n, siguiendo las normas de bio&eacute;tica, establecidas&nbsp; por&nbsp; la&nbsp; Organizaci&oacute;n&nbsp; Mundial&nbsp; de&nbsp; la Salud (OMS 1993), para trabajos de investigaci&oacute;n en&nbsp; humanos,&nbsp; y&nbsp; bajo&nbsp; las&nbsp; normas&nbsp; &eacute;ticas&nbsp; de&nbsp; la Declaraci&oacute;n&nbsp; de&nbsp; Helsinki,&nbsp; que&nbsp; se&ntilde;alan&nbsp; que&nbsp; todo trabajo&nbsp; de&nbsp; investigaci&oacute;n&nbsp; deber&aacute;&nbsp; estar&nbsp; a&nbsp; cargo&nbsp; de personas&nbsp; con&nbsp; la&nbsp; debida&nbsp; preparaci&oacute;n&nbsp; cient&iacute;fica&nbsp; y bajo&nbsp; la&nbsp; vigilancia&nbsp; de&nbsp; profesionales&nbsp; de&nbsp; la&nbsp; salud, respetando&nbsp; el&nbsp; derecho&nbsp; de&nbsp; cada&nbsp; individuo participante en la investigaci&oacute;n a salvaguardar su integridad personal (OMS 1993, WMADH 2001).    <br>       <br>   <span style="font-weight: bold;">Criterios de inclusi&oacute;n</span>    <br>       <br>   Pacientes&nbsp; intervenidos&nbsp; de&nbsp; catarata&nbsp; por&nbsp; la t&eacute;cnica&nbsp; de&nbsp; facoemulsificaci&oacute;n,&nbsp; con&nbsp; implante&nbsp; de LIO&nbsp; en&nbsp; la&nbsp; c&aacute;mara&nbsp; posterior,&nbsp; complicados&nbsp; o&nbsp; no, mayores&nbsp; de&nbsp; 16&nbsp; a&ntilde;os,&nbsp; que&nbsp; se&nbsp; encontraban&nbsp; en&nbsp; la cuarta semana de postoperatorio.    ]]></body>
<body><![CDATA[<br>   <br style="font-weight: bold;">   <span style="font-weight: bold;">Criterios de exclusi&oacute;n</span>    <br>       <br>   Pacientes af&aacute;quicos, pacientes diab&eacute;ticos o no, con EMC demostrado por oftalmoscopia indirecta usando&nbsp; lente&nbsp; de&nbsp; 78D&nbsp; y&nbsp; 20D&nbsp; en&nbsp; la&nbsp; evaluaci&oacute;n oftalmol&oacute;gica preoperatoria, pacientes con alteraciones&nbsp; retinianas&nbsp; demostradas&nbsp; en&nbsp; la evaluaci&oacute;n&nbsp; pre&nbsp; o&nbsp; postoperatoria,&nbsp; pacientes&nbsp; con opacidades corneales o v&iacute;treas que interfieran con la AV final y pacientes con trastornos refractivos elevados&nbsp; (mayores&nbsp; a&nbsp; 6&nbsp; dioptr&iacute;as&nbsp; esf&eacute;ricas&nbsp; y/o&nbsp; 3 dioptr&iacute;as de cilindro).    <br>       <br>   <span style="font-weight: bold;">Procedimientos</span>    <br>       <br>   Todos&nbsp; los&nbsp; pacientes&nbsp; intervenidos&nbsp; de&nbsp; catarata, durante&nbsp; el&nbsp; per&iacute;odo&nbsp; se&ntilde;alado,&nbsp; por&nbsp; la&nbsp; t&eacute;cnica&nbsp; de facoemulsificaci&oacute;n&nbsp; con&nbsp; implante&nbsp; de&nbsp; LIO, complicados&nbsp; o&nbsp; no,&nbsp; fueron&nbsp; tratados&nbsp; en&nbsp; el postoperatorio con antibi&oacute;ticos y antiinflamatorios esteroideos t&oacute;picos, moxifloxacina (Vigamox&reg;) y prednisolona (Prednefrin&nbsp; forte&reg; al&nbsp; 1%)&nbsp; respectivamente, durante un mes, usando un esquema decreciente. Los&nbsp; pacientes&nbsp; pseudof&aacute;quicos,&nbsp; seleccionados para&nbsp; el&nbsp; estudio,&nbsp; fueron&nbsp; organizados&nbsp; en&nbsp; cuatro grupos,&nbsp; seg&uacute;n&nbsp; la&nbsp; AV&nbsp; corregida&nbsp; (AVC):&nbsp; Grupo&nbsp; I: 20/20 a 20/40, Grupo II: 20/50 a 20/70, Grupo III: 20/80 a 20/200 y Grupo IV: 20/400 o menos. En&nbsp; cada&nbsp; paciente&nbsp; se&nbsp; realiz&oacute;&nbsp; evaluaci&oacute;n oftalmol&oacute;gica completa que incluy&oacute; medici&oacute;n de la&nbsp; AV&nbsp; con&nbsp; la&nbsp; mejor&nbsp; correcci&oacute;n,&nbsp; biomicroscop&iacute;a con&nbsp; l&aacute;mpara&nbsp; de&nbsp; hendidura,&nbsp; toma&nbsp; de&nbsp; la&nbsp; presi&oacute;n intraocular&nbsp;&nbsp;(PIO)&nbsp;&nbsp;con&nbsp;&nbsp;ton&oacute;metro&nbsp;&nbsp;de&nbsp;&nbsp;Goldman&nbsp;&nbsp;y oftalmoscopia&nbsp;indirecta&nbsp;con&nbsp;lente&nbsp;de&nbsp;78D&nbsp;y&nbsp;20D.     <br>       <br> A&nbsp;&nbsp;la&nbsp;&nbsp;cuarta&nbsp;&nbsp;semana&nbsp;&nbsp;del&nbsp;&nbsp;postoperatorio&nbsp;&nbsp;se realiz&oacute;&nbsp;OCT&nbsp;macular,&nbsp;en&nbsp;la&nbsp;sede&nbsp;de&nbsp;la&nbsp;Asociaci&oacute;n para&nbsp;el&nbsp;Avance&nbsp;de&nbsp;la&nbsp;Oftalmolog&iacute;a,&nbsp;utilizando&nbsp;un tom&oacute;grafo&nbsp;&nbsp;de&nbsp;&nbsp;coherencia&nbsp;&nbsp;&oacute;ptica&nbsp;&nbsp;Stratus&nbsp;&nbsp;versi&oacute;n III,&nbsp;&nbsp;Carl&nbsp;&nbsp;Zeiss,&nbsp;&nbsp;el&nbsp;&nbsp;cual&nbsp;&nbsp;emplea&nbsp;&nbsp;un&nbsp;&nbsp;programa&nbsp;&nbsp;de mapeo&nbsp;&nbsp;macular&nbsp;&nbsp;que&nbsp;&nbsp;mide&nbsp;&nbsp;el&nbsp;&nbsp;espesor&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;f&oacute;vea con&nbsp;&nbsp;un&nbsp;&nbsp;barrido&nbsp;&nbsp;de&nbsp;&nbsp;6&nbsp;&nbsp;l&iacute;neas&nbsp;&nbsp;radiales&nbsp;&nbsp;con&nbsp;&nbsp;fijaci&oacute;n foveal,&nbsp;&nbsp;usando&nbsp;&nbsp;una&nbsp;&nbsp;longitud&nbsp;&nbsp;de&nbsp;&nbsp;escaneo&nbsp;&nbsp;de&nbsp;&nbsp;0,6 mm,&nbsp;tomando&nbsp;como&nbsp;grosor&nbsp;normal&nbsp;promedio&nbsp;185 &plusmn;&nbsp;&nbsp;15&nbsp;&nbsp;&micro;m&nbsp;&nbsp;(rango&nbsp;&nbsp;de&nbsp;&nbsp;156&nbsp;&nbsp;a&nbsp;208&nbsp;&nbsp;&micro;m)&nbsp;&nbsp;(Brizzi&nbsp;&nbsp;et&nbsp;&nbsp;al. 2006,&nbsp;Tian&nbsp;et&nbsp;al.&nbsp;2006).&nbsp;Los&nbsp;pacientes&nbsp;con&nbsp;grosor foveal&nbsp;&nbsp;por&nbsp;&nbsp;encima&nbsp;&nbsp;de&nbsp;&nbsp;este&nbsp;&nbsp;rango&nbsp;&nbsp;fueron considerados&nbsp;&nbsp;portadores&nbsp;&nbsp;de&nbsp;&nbsp;EMC,&nbsp;&nbsp;con&nbsp;&nbsp;o&nbsp;&nbsp;sin afectaci&oacute;n&nbsp;de&nbsp;la&nbsp;agudeza&nbsp;visual.     <br>       ]]></body>
<body><![CDATA[<br>   <span style="font-weight: bold;">An&aacute;lisis&nbsp;estad&iacute;stico</span>     <br>       <br> Se&nbsp;&nbsp;calcul&oacute;&nbsp;&nbsp;el&nbsp;&nbsp;promedio&nbsp;&nbsp;y&nbsp;&nbsp;la&nbsp;&nbsp;desviaci&oacute;n est&aacute;ndar&nbsp;de&nbsp;las&nbsp;variables&nbsp;contin&uacute;as;&nbsp;en&nbsp;el&nbsp;caso&nbsp;de las&nbsp;variables&nbsp;nominales,&nbsp;se&nbsp;calcul&oacute;&nbsp;su&nbsp;frecuencia&nbsp;y porcentaje.&nbsp;La&nbsp;relaci&oacute;n&nbsp;de&nbsp;la&nbsp;variaci&oacute;n&nbsp;de&nbsp;la&nbsp;f&oacute;vea respecto&nbsp;&nbsp;a&nbsp;&nbsp;la&nbsp;&nbsp;AVC&nbsp;&nbsp;se&nbsp;&nbsp;determin&oacute;&nbsp;&nbsp;a&nbsp;&nbsp;trav&eacute;s&nbsp;&nbsp;del an&aacute;lisis&nbsp;&nbsp;de&nbsp;&nbsp;varianza&nbsp;&nbsp;de&nbsp;&nbsp;una&nbsp;&nbsp;v&iacute;a,&nbsp;&nbsp;la&nbsp;&nbsp;prueba&nbsp;&nbsp;a posteriori&nbsp;&nbsp;de&nbsp;&nbsp;Dunnett,&nbsp;&nbsp;tomando&nbsp;&nbsp;como&nbsp;&nbsp;referencia la&nbsp;&nbsp;agudeza&nbsp;&nbsp;visual&nbsp;&nbsp;20/20.&nbsp;&nbsp;Se&nbsp;&nbsp;consider&oacute;&nbsp;&nbsp;un&nbsp;&nbsp;valor estad&iacute;stico&nbsp;significativo&nbsp;si&nbsp;p&nbsp;&lt;&nbsp;0,05&nbsp;(Sokal&nbsp;y&nbsp;Rohlf 1979).&nbsp;Los&nbsp;datos&nbsp;fueron&nbsp;analizados&nbsp;con&nbsp;JMP-SAS versi&oacute;n&nbsp;11.&nbsp;El&nbsp;c&aacute;lculo&nbsp;de&nbsp;la&nbsp;prevalencia&nbsp;se&nbsp;realiz&oacute; a&nbsp;&nbsp;trav&eacute;s&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;siguiente&nbsp;&nbsp;f&oacute;rmula:&nbsp;&nbsp;Prevalencia&nbsp;&nbsp;= (CT/Nt)&nbsp;x&nbsp;100,&nbsp;en&nbsp;donde&nbsp;CT&nbsp;=&nbsp;n&uacute;mero&nbsp;de&nbsp;casos con&nbsp;&nbsp;la&nbsp;&nbsp;enfermedad&nbsp;&nbsp;en&nbsp;&nbsp;un&nbsp;&nbsp;momento&nbsp;&nbsp;determinado, para&nbsp;la&nbsp;muestra&nbsp;estudiada&nbsp;y&nbsp;Nt&nbsp;=&nbsp;n&uacute;mero&nbsp;total&nbsp;de individuos&nbsp;en&nbsp;la&nbsp;muestra&nbsp;(Tapia&nbsp;1995).&nbsp;     <br>       <br>   <span style="font-weight: bold;">RESULTADOS</span>    <br>       <br>   La&nbsp; Tabla&nbsp; 1&nbsp; muestra&nbsp; las&nbsp; caracter&iacute;sticas&nbsp; de&nbsp; la poblaci&oacute;n&nbsp; estudiada,&nbsp; en&nbsp; cuanto&nbsp; a&nbsp; promedio&nbsp; de edad, sexo, raza y ojo afectado, en pacientes post-operados&nbsp; de&nbsp; catarata&nbsp; por&nbsp; la&nbsp; t&eacute;cnica&nbsp; de facoemulsificaci&oacute;n (pseudof&aacute;quicos), en el servicio de oftalmolog&iacute;a del Hospital Universitario de Caracas. La edad promedio de la poblaci&oacute;n fue de 64,2 &plusmn; 17,2 a&ntilde;os. Predomin&oacute; el sexo femenino con 62%, la raza blanca con 72% y el ojo derecho el m&aacute;s afectado con 58%.    <br>       <br>   </font>     <div style="text-align: center;"><font size="-1"><span style="font-weight: bold;">Tabla&nbsp; 1.</span>&nbsp; Caracter&iacute;sticas&nbsp; epidemiol&oacute;gicas,&nbsp; seg&uacute;n&nbsp; edad, sexo, raza y ojo afectado en la poblaci&oacute;n estudiada.    ]]></body>
<body><![CDATA[<br>  <img style="width: 320px; height: 195px;" alt="" src="/img/fbpe/saber/v28n4/art08fig1.jpg">    
<br>  </font></div>  <font size="-1">     <br>   En&nbsp; la&nbsp; Tabla&nbsp; 2&nbsp; se&nbsp; muestra&nbsp; el&nbsp; grosor&nbsp; foveal expresado&nbsp; en&nbsp; micr&oacute;metros&nbsp; (&mu;m),&nbsp; agudeza&nbsp; visual corregida,&nbsp; ruptura&nbsp; capsular,&nbsp; posici&oacute;n&nbsp; del&nbsp; lente intraocular y la refracci&oacute;n post operatoria, en los pacientes&nbsp; que&nbsp; integran&nbsp; el&nbsp; grupo&nbsp; en&nbsp; estudio.&nbsp; El grosor&nbsp; foveal&nbsp; promedio&nbsp; fue&nbsp; de&nbsp; 172&nbsp; &plusmn;&nbsp; 13&nbsp; &mu;m. Todos&nbsp; los&nbsp; pacientes&nbsp; se&nbsp; ubicaron&nbsp; en&nbsp; el&nbsp; grupo&nbsp; I (AVC 20/20 a 20/40). La agudeza visual corregida 20/20 represent&oacute; el 48% de la poblaci&oacute;n, 20/25 el 28%, el 20/30 el 10% y 20/40 el 4%. La posici&oacute;n predominante&nbsp; en&nbsp; la&nbsp; implantaci&oacute;n&nbsp; del&nbsp; lente intraocular fue en el saco capsular, representando el 96% de los casos y solo en dos casos se coloc&oacute; en el sulcus ciliar debido a una ruptura amplia de la&nbsp; c&aacute;psula&nbsp; posterior&nbsp; con&nbsp; mal&nbsp; soporte&nbsp; para&nbsp; el implante&nbsp; del&nbsp; LIO&nbsp; en&nbsp; el&nbsp; saco&nbsp; capsular, representando&nbsp; 4%.&nbsp; La&nbsp; refracci&oacute;n&nbsp; post&nbsp; operatoria promedio para la esfera fue de -0,84 dioptr&iacute;as (D) &plusmn; 0,90, y para el cilindro -0,97D &plusmn; 0,49.     <br>   <br style="font-weight: bold;">   <span style="font-weight: bold;">Tabla&nbsp; 2.</span>&nbsp; Agudeza&nbsp; visual,&nbsp; grosor&nbsp; foveal,&nbsp; lugar&nbsp; de implantaci&oacute;n del lente intraocular y complicaciones en el&nbsp; trans&nbsp; y&nbsp; postoperatorio&nbsp; en&nbsp; pacientes&nbsp; intervenidos&nbsp; de cataratas.    <br>  </font>     <div style="text-align: center;"><img style="width: 319px; height: 245px;" alt="" src="/img/fbpe/saber/v28n4/art08fig2.jpg">    
<br>  </div>  <font size="-1">     <br>   En la Tabla 3 se presenta la relaci&oacute;n entre la AVC y el grosor foveal. Los pacientes con AVC 20/20 el grosor foveal promedio fue de 167 &plusmn; 11 &mu;m,&nbsp; mientras&nbsp; aquellos&nbsp; con&nbsp; AVC&nbsp; 20/25 presentaron&nbsp; un&nbsp; promedio&nbsp; de&nbsp; 173&nbsp; &plusmn;&nbsp; 11&nbsp; &mu;m&nbsp; y&nbsp; los pacientes con AVC 20/30 el promedio fue de 176 &plusmn;&nbsp; 14&nbsp; &mu;m.&nbsp; En&nbsp; tanto&nbsp; que&nbsp; los&nbsp; pacientes&nbsp; con&nbsp; AVC 20/40 presentaron un promedio de 198&nbsp; &plusmn; 17 &mu;m. La&nbsp; prueba&nbsp; ANOVA&nbsp; (an&aacute;lisis&nbsp; de&nbsp; varianza) compara la AVC con la media del grosor foveal, observ&aacute;ndose&nbsp; que&nbsp; a&nbsp; medida&nbsp; que&nbsp; disminuy&oacute;&nbsp; la AVC&nbsp; aument&oacute;&nbsp; el&nbsp; grosor&nbsp; foveal,&nbsp; siendo&nbsp; esta relaci&oacute;n&nbsp; inversa&nbsp; estad&iacute;sticamente&nbsp; significativa&nbsp; (p = 0,003).    <br>       <br>   </font>     ]]></body>
<body><![CDATA[<div style="text-align: center;"><font size="-1"><span style="font-weight: bold;">Tabla&nbsp; 3.</span>&nbsp; Relaci&oacute;n&nbsp; entre&nbsp; agudeza&nbsp; visual&nbsp; corregida&nbsp; y grosor&nbsp; foveal&nbsp; determinado&nbsp; por&nbsp; OCT,&nbsp; en&nbsp; pacientes intervenidos de cataratas.    <br>  <img style="width: 291px; height: 98px;" alt="" src="/img/fbpe/saber/v28n4/art08fig3.jpg">    
<br>  </font></div>  <font size="-1"> <span style="font-weight: bold;">DISCUSI&Oacute;N</span>     <br>       <br> La&nbsp;&nbsp;cirug&iacute;a&nbsp;&nbsp;moderna&nbsp;&nbsp;de&nbsp;&nbsp;cataratas&nbsp;&nbsp;con facoemulsificaci&oacute;n,&nbsp;&nbsp;incisi&oacute;n&nbsp;&nbsp;corneal&nbsp;&nbsp;autosellante e&nbsp;&nbsp;implante&nbsp;&nbsp;de&nbsp;&nbsp;LIO&nbsp;&nbsp;plegable&nbsp;&nbsp;en&nbsp;&nbsp;el&nbsp;&nbsp;saco&nbsp;&nbsp;capsular, parece&nbsp;&nbsp;haber&nbsp;&nbsp;disminuido&nbsp;&nbsp;considerablemente&nbsp;&nbsp;la incidencia&nbsp;&nbsp;del&nbsp;&nbsp;EMC&nbsp;&nbsp;tanto&nbsp;&nbsp;cl&iacute;nico&nbsp;&nbsp;como angiogr&aacute;fico&nbsp;(Torr&oacute;n&nbsp;et&nbsp;al.&nbsp;2006,&nbsp;Lobo&nbsp;2012). Aproximadamente&nbsp;el&nbsp;20%&nbsp;de&nbsp;los&nbsp;pacientes&nbsp;que son&nbsp;intervenidos&nbsp;de&nbsp;catarata,&nbsp;ya&nbsp;sea&nbsp;por&nbsp;la&nbsp;t&eacute;cnica de&nbsp;&nbsp;extracci&oacute;n&nbsp;&nbsp;extracapsular&nbsp;&nbsp;o&nbsp;&nbsp;por&nbsp;&nbsp;la&nbsp;&nbsp;de facoemulsificaci&oacute;n, sin complicaciones, desarrollan&nbsp;&nbsp;EMC&nbsp;&nbsp;angiogr&aacute;fico&nbsp;&nbsp;(Tranos&nbsp;&nbsp;et&nbsp;&nbsp;al. 2004,&nbsp;&nbsp;Nicholas&nbsp;&nbsp;et&nbsp;&nbsp;al.&nbsp;&nbsp;2006).&nbsp;&nbsp;El&nbsp;&nbsp;EMC pseudof&aacute;quico&nbsp;&nbsp;es&nbsp;&nbsp;conocido&nbsp;&nbsp;como&nbsp;&nbsp;la&nbsp;&nbsp;causa&nbsp;&nbsp;m&aacute;s frecuente&nbsp;de&nbsp;disminuci&oacute;n&nbsp;de&nbsp;la&nbsp;AV&nbsp;despu&eacute;s&nbsp;de&nbsp;una cirug&iacute;a&nbsp;&nbsp;de&nbsp;&nbsp;catarata&nbsp;&nbsp;no&nbsp;&nbsp;complicada,&nbsp;&nbsp;aunque&nbsp;&nbsp;es relativamente&nbsp;m&aacute;s&nbsp;factible&nbsp;que&nbsp;se&nbsp;presente&nbsp;cuando el&nbsp;&nbsp;procedimiento&nbsp;&nbsp;quir&uacute;rgico&nbsp;&nbsp;se&nbsp;&nbsp;complica,&nbsp;&nbsp;entre otras&nbsp;cosas:&nbsp;con&nbsp;ruptura&nbsp;de&nbsp;la&nbsp;c&aacute;psula&nbsp;posterior&nbsp;y p&eacute;rdida&nbsp;de&nbsp;humor&nbsp;v&iacute;treo,&nbsp;trauma&nbsp;severo&nbsp;del&nbsp;iris&nbsp;y presencia&nbsp;&nbsp;de&nbsp;&nbsp;v&iacute;treo&nbsp;&nbsp;en&nbsp;&nbsp;la&nbsp;&nbsp;herida&nbsp;&nbsp;quir&uacute;rgica, elevando&nbsp;su&nbsp;incidencia&nbsp;por&nbsp;encima&nbsp;de&nbsp;20% (Ho&nbsp;et al.&nbsp;2006,&nbsp;Jong-Hyun&nbsp;et&nbsp;al.&nbsp;2014).     <br>       <br> El&nbsp;EMC&nbsp;cl&iacute;nico usualmente&nbsp;&nbsp;se&nbsp;&nbsp;presenta&nbsp;&nbsp;de&nbsp;&nbsp;3&nbsp;&nbsp;a&nbsp;&nbsp;12&nbsp;&nbsp;semanas posteriores&nbsp;&nbsp;a&nbsp;&nbsp;la&nbsp;&nbsp;cirug&iacute;a,&nbsp;&nbsp;aunque&nbsp;&nbsp;puede&nbsp;&nbsp;hacerlo luego&nbsp;&nbsp;de&nbsp;&nbsp;varios&nbsp;&nbsp;meses&nbsp;&nbsp;o&nbsp;&nbsp;a&ntilde;os&nbsp;&nbsp;despu&eacute;s.&nbsp;&nbsp;La resoluci&oacute;n&nbsp;espont&aacute;nea&nbsp;del&nbsp;EMC con&nbsp;mejor&iacute;a&nbsp;de&nbsp;la AV&nbsp;ocurre&nbsp;en&nbsp;el&nbsp;80% de&nbsp;los&nbsp;casos&nbsp;entre&nbsp;los&nbsp;3&nbsp;y&nbsp;12 meses&nbsp;postquir&uacute;rgicos&nbsp;(Tranos&nbsp;et&nbsp;al.&nbsp;2004). El&nbsp;diagn&oacute;stico&nbsp;de&nbsp;EMC&nbsp;&nbsp;se&nbsp;establece&nbsp;desde&nbsp;el punto&nbsp;&nbsp;de&nbsp;&nbsp;vista&nbsp;&nbsp;cl&iacute;nico&nbsp;&nbsp;midiendo&nbsp;&nbsp;la&nbsp;&nbsp;AVC, practicando&nbsp;&nbsp;oftalmoscopia&nbsp;&nbsp;indirecta,&nbsp;&nbsp;que&nbsp;&nbsp;puede ser&nbsp;&nbsp;realizada&nbsp;&nbsp;usando&nbsp;&nbsp;l&aacute;mpara&nbsp;&nbsp;de&nbsp;&nbsp;hendidura&nbsp;&nbsp;con lente&nbsp;&nbsp;de&nbsp;&nbsp;contacto&nbsp;&nbsp;o&nbsp;&nbsp;no&nbsp;&nbsp;contacto,&nbsp;&nbsp;que&nbsp;&nbsp;permite&nbsp;&nbsp;en muchos&nbsp;&nbsp;casos&nbsp;&nbsp;detectar&nbsp;&nbsp;el&nbsp;&nbsp;engrosamiento&nbsp;&nbsp;de&nbsp;&nbsp;la retina,&nbsp;&nbsp;ya&nbsp;&nbsp;sea&nbsp;&nbsp;localizado&nbsp;&nbsp;o&nbsp;&nbsp;extendido&nbsp;&nbsp;al&nbsp;&nbsp;polo posterior,&nbsp;&nbsp;y&nbsp;&nbsp;que&nbsp;&nbsp;se&nbsp;&nbsp;confirman&nbsp;&nbsp;a&nbsp;&nbsp;trav&eacute;s&nbsp;&nbsp;del diagn&oacute;stico&nbsp;por&nbsp;im&aacute;genes&nbsp;(Flach&nbsp;1998,&nbsp;Torr&oacute;n&nbsp;&nbsp;et al.&nbsp;2006).     <br>       <br> Por&nbsp;m&aacute;s de&nbsp;30&nbsp;a&ntilde;os,&nbsp;la&nbsp;fotograf&iacute;a&nbsp;del&nbsp;fondo&nbsp;de ojo&nbsp;&nbsp;y&nbsp;&nbsp;la&nbsp;&nbsp;AGF&nbsp;&nbsp;han&nbsp;&nbsp;sido&nbsp;&nbsp;de&nbsp;&nbsp;extremo&nbsp;&nbsp;valor&nbsp;&nbsp;para&nbsp;&nbsp;la expansi&oacute;n&nbsp;&nbsp;del&nbsp;&nbsp;conocimiento&nbsp;&nbsp;en&nbsp;&nbsp;anatom&iacute;a, patolog&iacute;a&nbsp;y&nbsp;fisiopatolog&iacute;a&nbsp;de&nbsp;la&nbsp;retina&nbsp;y&nbsp;coroides, permitiendo el diagn&oacute;stico, monitoreo y tratamiento&nbsp;de&nbsp;diversas&nbsp;enfermedades&nbsp;maculares&nbsp;y coroideas&nbsp;(Ryan&nbsp;2001).     <br>       ]]></body>
<body><![CDATA[<br> El&nbsp;&nbsp;advenimiento&nbsp;&nbsp;de&nbsp;&nbsp;nuevas&nbsp;&nbsp;t&eacute;cnicas&nbsp;&nbsp;de exploraci&oacute;n&nbsp;imagenol&oacute;gica&nbsp;ha&nbsp;constituido&nbsp;uno&nbsp;de los&nbsp;&nbsp;elementos&nbsp;&nbsp;de&nbsp;&nbsp;mayor&nbsp;&nbsp;importancia&nbsp;&nbsp;en&nbsp;&nbsp;el diagn&oacute;stico&nbsp;m&eacute;dico&nbsp;en&nbsp;los&nbsp;&uacute;ltimos&nbsp;a&ntilde;os.&nbsp;T&eacute;cnicas como&nbsp;&nbsp;resonancia&nbsp;&nbsp;nuclear&nbsp;&nbsp;magn&eacute;tica,&nbsp;&nbsp;tomograf&iacute;a axial&nbsp;&nbsp;computarizada,&nbsp;&nbsp;la&nbsp;&nbsp;ultrasonograf&iacute;a,&nbsp;&nbsp;entre otras,&nbsp;han&nbsp;constituido&nbsp;herramientas&nbsp;&nbsp;muy&nbsp;&nbsp;&uacute;tiles&nbsp;al permitir&nbsp;&nbsp;la&nbsp;&nbsp;visualizaci&oacute;n&nbsp;&nbsp;(in&nbsp;&nbsp;vivo&nbsp;&nbsp;y&nbsp;&nbsp;de&nbsp;&nbsp;forma&nbsp;&nbsp;no cruenta)&nbsp;de&nbsp;estructuras&nbsp;que&nbsp;escapan&nbsp;a&nbsp;los&nbsp;medios diagn&oacute;sticos&nbsp;&nbsp;tradicionales&nbsp;&nbsp;e&nbsp;&nbsp;incluso&nbsp;&nbsp;a&nbsp;&nbsp;la imaginaci&oacute;n&nbsp;de&nbsp;los&nbsp;propios&nbsp;m&eacute;dicos&nbsp;(Mendoza&nbsp;et al.&nbsp;2005).     <br>       <br> En&nbsp;&nbsp;la&nbsp;&nbsp;actualidad&nbsp;&nbsp;OCT&nbsp;&nbsp;es&nbsp;&nbsp;un&nbsp;&nbsp;m&eacute;todo&nbsp;&nbsp;de diagn&oacute;stico&nbsp;&nbsp;imagenol&oacute;gico&nbsp;&nbsp;ampliamente&nbsp;&nbsp;usado para&nbsp;&nbsp;diagn&oacute;stico&nbsp;&nbsp;y&nbsp;&nbsp;seguimiento&nbsp;&nbsp;de&nbsp;&nbsp;muchas enfermedades&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;retina&nbsp;&nbsp;y&nbsp;&nbsp;del&nbsp;&nbsp;nervio&nbsp;&nbsp;&oacute;ptico como&nbsp;es&nbsp;el&nbsp;caso&nbsp;del&nbsp;EMC,&nbsp;por&nbsp;ser&nbsp;r&aacute;pido,&nbsp;inocuo, accesible,&nbsp;&nbsp;y&nbsp;&nbsp;por&nbsp;&nbsp;brindar&nbsp;&nbsp;im&aacute;genes&nbsp;&nbsp;de&nbsp;&nbsp;alta definici&oacute;n&nbsp;&nbsp;de&nbsp;&nbsp;las&nbsp;&nbsp;distintas&nbsp;&nbsp;capas&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;retina, comparables&nbsp;&nbsp;a&nbsp;&nbsp;un&nbsp;&nbsp;corte&nbsp;&nbsp;histol&oacute;gico&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;misma (Ferguson&nbsp;et&nbsp;al.&nbsp;2014).     <br>       <br> A&nbsp;&nbsp;pesar&nbsp;&nbsp;que&nbsp;&nbsp;&eacute;sta&nbsp;&nbsp;patolog&iacute;a&nbsp;&nbsp;ha&nbsp;&nbsp;sido&nbsp;&nbsp;descrita desde&nbsp;hace&nbsp;m&aacute;s&nbsp;de&nbsp;40&nbsp;a&ntilde;os,&nbsp;su&nbsp;etiolog&iacute;a&nbsp;aun&nbsp;no&nbsp;ha sido&nbsp;&nbsp;esclarecida&nbsp;&nbsp;por&nbsp;&nbsp;completo.&nbsp;&nbsp;Se&nbsp;&nbsp;han&nbsp;&nbsp;sugerido muchos&nbsp;&nbsp;factores&nbsp;&nbsp;que&nbsp;&nbsp;contribuyen&nbsp;&nbsp;en&nbsp;&nbsp;su patog&eacute;nesis,&nbsp;&nbsp;tal&nbsp;&nbsp;es&nbsp;&nbsp;el&nbsp;&nbsp;caso&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;pseudofaquia, oclusi&oacute;n&nbsp;de&nbsp;vena&nbsp;retiniana,&nbsp;retinosis&nbsp;pigmentaria, fototoxicidad,     <br> tracci&oacute;n v&iacute;treo macular, mediadores&nbsp;&nbsp;inflamatorios,&nbsp;&nbsp;edad,&nbsp;&nbsp;color&nbsp;&nbsp;del&nbsp;&nbsp;iris, p&eacute;rdida&nbsp;de&nbsp;v&iacute;treo,&nbsp;lesi&oacute;n&nbsp;de&nbsp;la&nbsp;c&aacute;psula&nbsp;posterior,&nbsp;y enfermedades&nbsp;&nbsp;sist&eacute;micas&nbsp;&nbsp;como&nbsp;&nbsp;hipertensi&oacute;n arterial&nbsp;y&nbsp;la&nbsp;diabetes&nbsp;mellitus&nbsp;(Catier&nbsp;&nbsp;et&nbsp;al.&nbsp;2005, Gulkilik&nbsp;&nbsp;et&nbsp;&nbsp;al.&nbsp;&nbsp;2006,&nbsp;Jong-Hyun&nbsp;&nbsp;et&nbsp;&nbsp;al.&nbsp;&nbsp;2014).&nbsp;&nbsp;La incidencia&nbsp;del&nbsp;EMC&nbsp;angiogr&aacute;fico&nbsp;sin&nbsp;afectaci&oacute;n&nbsp;de la&nbsp;agudeza&nbsp;visual&nbsp;ha&nbsp;sido&nbsp;estimada&nbsp;en&nbsp;50%&nbsp;de&nbsp;los casos.&nbsp;El&nbsp;EMC&nbsp;cl&iacute;nico&nbsp;produce&nbsp;una&nbsp;p&eacute;rdida&nbsp;visual variable,&nbsp;&nbsp;en&nbsp;&nbsp;un&nbsp;&nbsp;porcentaje&nbsp;&nbsp;que&nbsp;&nbsp;oscila&nbsp;&nbsp;entre&nbsp;&nbsp;0,2&nbsp;&nbsp;y 13%&nbsp;&nbsp;de&nbsp;&nbsp;pacientes&nbsp;&nbsp;intervenidos&nbsp;&nbsp;de&nbsp;&nbsp;catarata, complicadas&nbsp;o&nbsp;no&nbsp;(Torr&oacute;n&nbsp;et&nbsp;al.&nbsp;2006).     <br>       <br>   Con&nbsp;relaci&oacute;n&nbsp;en&nbsp;los&nbsp;resultados&nbsp;mostrados&nbsp;en&nbsp;la Tabla&nbsp;2,&nbsp;dos&nbsp;pacientes&nbsp;complicados&nbsp;con&nbsp;ruptura&nbsp;de c&aacute;psula&nbsp;&nbsp;posterior,&nbsp;&nbsp;uno&nbsp;&nbsp;present&oacute;&nbsp;&nbsp;agudeza&nbsp;&nbsp;visual corregida&nbsp;&nbsp;(AVC)&nbsp;&nbsp;de&nbsp;&nbsp;20/40,&nbsp;&nbsp;mientras&nbsp;&nbsp;que&nbsp;&nbsp;el&nbsp;&nbsp;otro present&oacute;&nbsp;AVC&nbsp;de&nbsp;20/30,&nbsp;este&nbsp;&uacute;ltimo,&nbsp;pese&nbsp;a&nbsp;tener un&nbsp;&nbsp;grosor&nbsp;&nbsp;foveal&nbsp;&nbsp;estudiado&nbsp;&nbsp;por&nbsp;&nbsp;OCT&nbsp;&nbsp;dentro&nbsp;&nbsp;de&nbsp; par&aacute;metros&nbsp;normales&nbsp;y&nbsp;sin&nbsp;criterios&nbsp;diagn&oacute;stico&nbsp;de edema&nbsp;macular,&nbsp;no&nbsp;se&nbsp;logr&oacute;&nbsp;establecer&nbsp;la&nbsp;causa&nbsp;de ella.&nbsp;Por&nbsp;otra&nbsp;parte,&nbsp;hubo&nbsp;un&nbsp;tercer&nbsp;caso&nbsp;con&nbsp;AVC 20/40,&nbsp;&nbsp;en&nbsp;&nbsp;una&nbsp;&nbsp;cirug&iacute;a&nbsp;&nbsp;sin&nbsp;&nbsp;complicaci&oacute;n,&nbsp;&nbsp;que present&oacute;&nbsp;grosor&nbsp;foveal&nbsp;de&nbsp;186&nbsp;&mu;m,&nbsp;por&nbsp;lo&nbsp;que&nbsp;se estima&nbsp;&nbsp;que&nbsp;&nbsp;el&nbsp;&nbsp;mal&nbsp;&nbsp;resultado&nbsp;&nbsp;visual&nbsp;&nbsp;pudiera&nbsp;&nbsp;estar relacionado a edema macular diab&eacute;tico preexistente,&nbsp;&nbsp;no&nbsp;&nbsp;visible&nbsp;&nbsp;en&nbsp;&nbsp;la&nbsp;&nbsp;oftalmoscopia indirecta&nbsp;preoperatoria.     <br>       <br> Numerosos&nbsp;trabajos&nbsp;describen&nbsp;como&nbsp;factor&nbsp;de riesgo&nbsp;&nbsp;para&nbsp;&nbsp;el&nbsp;&nbsp;desarrollo&nbsp;&nbsp;del&nbsp;&nbsp;EMC,&nbsp;&nbsp;la&nbsp;&nbsp;ruptura capsular,&nbsp;la&nbsp;p&eacute;rdida&nbsp;de&nbsp;humor&nbsp;v&iacute;treo&nbsp;a&nbsp;trav&eacute;s de&nbsp;la incisi&oacute;n,&nbsp;&nbsp;incarceraci&oacute;n&nbsp;&nbsp;v&iacute;trea&nbsp;&nbsp;en&nbsp;&nbsp;la&nbsp;&nbsp;incisi&oacute;n, toxicidad&nbsp;&nbsp;luminosa&nbsp;&nbsp;del&nbsp;&nbsp;microscopio&nbsp;&nbsp;quir&uacute;rgico, afaquia,&nbsp;&nbsp;LIO&nbsp;&nbsp;fijado&nbsp;&nbsp;en&nbsp;&nbsp;el&nbsp;&nbsp;sulcus&nbsp;&nbsp;o&nbsp;&nbsp;en&nbsp;&nbsp;c&aacute;mara anterior,&nbsp;&nbsp;luxaci&oacute;n&nbsp;&nbsp;de&nbsp;&nbsp;fragmentos&nbsp;&nbsp;de&nbsp;&nbsp;cristalino&nbsp;&nbsp;al polo&nbsp;posterior,&nbsp;e&nbsp;incluso&nbsp;la&nbsp;capsulotom&iacute;a&nbsp;posterior con&nbsp;YAG&nbsp;l&aacute;ser&nbsp;(Dholakia&nbsp;y&nbsp;Vasavada&nbsp;2004,&nbsp;Lobo 2012).    ]]></body>
<body><![CDATA[<br>   &nbsp;     <br> Con&nbsp;respecto&nbsp;a&nbsp;los&nbsp;resultados&nbsp;mostrados&nbsp;en&nbsp;la Tabla&nbsp;3,&nbsp;y&nbsp;tomando&nbsp;como&nbsp;criterio&nbsp;por&nbsp;OCT&nbsp;para&nbsp;el diagn&oacute;stico&nbsp;de&nbsp;EMC&nbsp;un&nbsp;grosor&nbsp;foveal&nbsp;de&nbsp;185&nbsp;&plusmn;&nbsp;15 &mu;m,&nbsp;con&nbsp;y&nbsp;sin&nbsp;la&nbsp;disminuci&oacute;n&nbsp;de&nbsp;la&nbsp;AVC,&nbsp;se&nbsp;pudo&nbsp;&nbsp;evidenciar&nbsp;la&nbsp;presencia&nbsp;de&nbsp;un&nbsp;solo&nbsp;caso&nbsp;de&nbsp;EMC, el&nbsp;cual&nbsp;representa&nbsp;el&nbsp;2%&nbsp;de&nbsp;la&nbsp;poblaci&oacute;n&nbsp;estudiada (Brizzi&nbsp;et&nbsp;al.&nbsp;2006,&nbsp;Tian&nbsp;et&nbsp;al.&nbsp;2006).&nbsp;En&nbsp;vista&nbsp;que el&nbsp;&nbsp;OCT&nbsp;&nbsp;puede&nbsp;&nbsp;arrojar&nbsp;&nbsp;resultados&nbsp;&nbsp;con&nbsp;&nbsp;variaciones del&nbsp;grosor&nbsp;entre&nbsp;10&nbsp;a&nbsp;15&nbsp;&mu;m,&nbsp;solo&nbsp;por&nbsp;el&nbsp;grosor&nbsp;no debe&nbsp;plantearse&nbsp;la&nbsp;presencia&nbsp;del&nbsp;EMC&nbsp;(Brizzi&nbsp;et&nbsp;al. 2006).&nbsp;No&nbsp;obstante,&nbsp;en&nbsp;&eacute;ste&nbsp;caso&nbsp;en&nbsp;particular,&nbsp;la cual&nbsp;&nbsp;fue&nbsp;&nbsp;una&nbsp;&nbsp;cirug&iacute;a&nbsp;&nbsp;complicada,&nbsp;&nbsp;con&nbsp;&nbsp;ruptura capsular&nbsp;&nbsp;e&nbsp;&nbsp;implante&nbsp;&nbsp;de&nbsp;&nbsp;LIO&nbsp;&nbsp;en&nbsp;&nbsp;el&nbsp;&nbsp;sulcus&nbsp;&nbsp;ciliar, presencia&nbsp;de&nbsp;AVC&nbsp;de&nbsp;20/40&nbsp;y&nbsp;grosor&nbsp;foveal&nbsp;de&nbsp;210 &mu;m,&nbsp;&nbsp;se&nbsp;&nbsp;estableci&oacute;&nbsp;&nbsp;el&nbsp;&nbsp;diagn&oacute;stico&nbsp;&nbsp;de&nbsp;&nbsp;EMC pseudof&aacute;quico.&nbsp;     <br>       <br>   La&nbsp;prevalencia&nbsp;del&nbsp;EMC&nbsp;en&nbsp;este&nbsp;estudio&nbsp;fue&nbsp;de 2%,&nbsp;y&nbsp;obviamente&nbsp;su&nbsp;etiolog&iacute;a&nbsp;se&nbsp;corresponde&nbsp;con complicaciones&nbsp;&nbsp;quir&uacute;rgicas&nbsp;&nbsp;(ruptura&nbsp;&nbsp;de&nbsp;&nbsp;c&aacute;psula posterior&nbsp;y&nbsp;como&nbsp;consecuencia&nbsp;de&nbsp;ello&nbsp;implante&nbsp;de LIO&nbsp;en&nbsp;el&nbsp;sulcus&nbsp;ciliar).&nbsp;Este&nbsp;resultado&nbsp;es&nbsp;similar a&nbsp;los&nbsp;obtenidos&nbsp;por&nbsp;Gulkilik&nbsp;et&nbsp;al.&nbsp;(2006),&nbsp;quienes reportaron&nbsp;prevalencia&nbsp;de&nbsp;EMC&nbsp;entre&nbsp;0,2&nbsp;y&nbsp;12%. Ursell&nbsp;et&nbsp;al.&nbsp;(1999)&nbsp;reportaron&nbsp;una&nbsp;prevalencia&nbsp;de EMC&nbsp;angiogr&aacute;fico&nbsp;del&nbsp;13%&nbsp;posterior&nbsp;a&nbsp;cirug&iacute;a&nbsp;de catarata&nbsp;&nbsp;no&nbsp;&nbsp;complicada.&nbsp;&nbsp;Contrario&nbsp;&nbsp;a&nbsp;&nbsp;nuestros resultados,&nbsp;&nbsp;Dholakia&nbsp;&nbsp;y&nbsp;&nbsp;Vasavada&nbsp;&nbsp;(2004)&nbsp;&nbsp;en&nbsp;&nbsp;su estudio&nbsp;de&nbsp;165&nbsp;ojos&nbsp;sometidos&nbsp;a&nbsp;cirug&iacute;a&nbsp;de&nbsp;catarata sin&nbsp;complicaciones,&nbsp;ninguno&nbsp;present&oacute;&nbsp;EMC.     <br>       <br> La&nbsp;&nbsp;predisposici&oacute;n&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;m&aacute;cula&nbsp;&nbsp;a&nbsp;&nbsp;desarrollar EMC&nbsp;&nbsp;no&nbsp;&nbsp;ha&nbsp;&nbsp;sido&nbsp;&nbsp;completamente&nbsp;&nbsp;entendida.&nbsp;&nbsp;En determinadas&nbsp;&nbsp;situaciones&nbsp;&nbsp;el&nbsp;&nbsp;EMC,&nbsp;&nbsp;incluyendo pseudof&aacute;quico,&nbsp;est&aacute;&nbsp;asociado&nbsp;a&nbsp;fugas&nbsp;localizadas&nbsp;a partir&nbsp;de&nbsp;los&nbsp;capilares parafoveales (Ryan&nbsp;2001). Numerosos&nbsp;&nbsp;estudios&nbsp;&nbsp;histopatol&oacute;gicos&nbsp;&nbsp;han evaluado&nbsp;&nbsp;los&nbsp;&nbsp;cambios&nbsp;&nbsp;retinianos&nbsp;&nbsp;asociados&nbsp;&nbsp;al EMC.&nbsp;&nbsp;La&nbsp;&nbsp;microscop&iacute;a&nbsp;&nbsp;de&nbsp;&nbsp;luz&nbsp;&nbsp;revela&nbsp;&nbsp;la acumulaci&oacute;n&nbsp;de&nbsp;material&nbsp;eosinof&iacute;lico&nbsp;en&nbsp;las&nbsp;capas plexiforme&nbsp;externa&nbsp;y&nbsp;nuclear&nbsp;interna&nbsp;de&nbsp;la&nbsp;retina, con&nbsp;&nbsp;formaci&oacute;n&nbsp;&nbsp;de&nbsp;&nbsp;m&uacute;ltiples&nbsp;&nbsp;quistes,&nbsp;&nbsp;los&nbsp;&nbsp;cuales generalmente&nbsp;se&nbsp;agrupan&nbsp;alrededor&nbsp;de&nbsp;uno&nbsp;central foveal.&nbsp;&nbsp;En&nbsp;&nbsp;los&nbsp;&nbsp;casos&nbsp;&nbsp;severos&nbsp;&nbsp;y&nbsp;&nbsp;de&nbsp;&nbsp;larga&nbsp;&nbsp;duraci&oacute;n del&nbsp;EMC,&nbsp;los&nbsp;quistes&nbsp;pueden&nbsp;aumentar&nbsp;de&nbsp;tama&ntilde;o y&nbsp;extenderse&nbsp;a&nbsp;las&nbsp;capas&nbsp;m&aacute;s&nbsp;internas&nbsp;de&nbsp;la&nbsp;retina, produciendo&nbsp;&nbsp;finalmente&nbsp;&nbsp;alteraciones&nbsp;&nbsp;parciales&nbsp;&nbsp;o totales&nbsp;del&nbsp;&nbsp;grosor&nbsp;retiniano&nbsp;&nbsp;macular&nbsp;(Ryan&nbsp;2001, Bringmann&nbsp;&nbsp;et&nbsp;&nbsp;al.&nbsp;&nbsp;2004).&nbsp;&nbsp;Algunos&nbsp;&nbsp;estudios histopatol&oacute;gicos&nbsp;han&nbsp;demostrado&nbsp;que&nbsp;los&nbsp;espacios qu&iacute;sticos&nbsp;&nbsp;se&nbsp;&nbsp;corresponden&nbsp;&nbsp;con&nbsp;&nbsp;&aacute;reas&nbsp;&nbsp;donde&nbsp;&nbsp;las c&eacute;lulas&nbsp;&nbsp;retinianas&nbsp;&nbsp;se&nbsp;&nbsp;encuentran&nbsp;&nbsp;desplazadas. Antclif&nbsp;&nbsp;et&nbsp;&nbsp;al.&nbsp;&nbsp;(2004)&nbsp;&nbsp;evaluaron&nbsp;&nbsp;la&nbsp;&nbsp;conductividad hidr&aacute;ulica&nbsp;&nbsp;de&nbsp;&nbsp;la&nbsp;&nbsp;retina,&nbsp;&nbsp;posterior&nbsp;&nbsp;a&nbsp;&nbsp;la&nbsp;&nbsp;ablaci&oacute;n progresiva&nbsp;de&nbsp;las&nbsp;c&eacute;lulas&nbsp;retinianas&nbsp;realizada&nbsp;con l&aacute;ser&nbsp;&nbsp;excimer,&nbsp;&nbsp;y&nbsp;&nbsp;concluyeron&nbsp;&nbsp;que&nbsp;&nbsp;las&nbsp;&nbsp;capas plexiforme&nbsp;&nbsp;interna&nbsp;&nbsp;y&nbsp;&nbsp;externa&nbsp;&nbsp;constituyen&nbsp;&nbsp;una barrera&nbsp;&nbsp;de&nbsp;&nbsp;gran&nbsp;&nbsp;resistencia&nbsp;&nbsp;al&nbsp;&nbsp;flujo&nbsp;&nbsp;de&nbsp;&nbsp;l&iacute;quido&nbsp;&nbsp;a trav&eacute;s de&nbsp;la&nbsp;retina&nbsp;(Tranos&nbsp;et&nbsp;al.&nbsp;2004).&nbsp;     <br>       <br>   Los&nbsp; estudios&nbsp; histopatol&oacute;gicos&nbsp; que&nbsp; tratan&nbsp; de establecer&nbsp; alguna&nbsp; relaci&oacute;n&nbsp; con&nbsp; la&nbsp; etiolog&iacute;a&nbsp; del EMC&nbsp; no&nbsp; son&nbsp; concluyentes.&nbsp; Algunos&nbsp; trabajos publicados&nbsp; sugieren&nbsp; la&nbsp; idea&nbsp; de&nbsp; que&nbsp; los&nbsp; primeros cambios,&nbsp; previos&nbsp; al&nbsp; desarrollo&nbsp; del&nbsp; EMC,&nbsp; van asociados&nbsp; al&nbsp; aumento&nbsp; del&nbsp; l&iacute;quido&nbsp; en&nbsp; el&nbsp; espacio extracelular&nbsp; en&nbsp; la&nbsp; retina.&nbsp; Sin&nbsp; embargo,&nbsp; otras investigaciones plantean como hip&oacute;tesis el papel determinante&nbsp; de&nbsp; los&nbsp; cambios&nbsp; intracelulares (edema y degeneraci&oacute;n) en las c&eacute;lulas de M&uuml;ller. Se&nbsp; especula&nbsp; que&nbsp; los&nbsp; espacios&nbsp; en&nbsp; el&nbsp; EMC&nbsp; pueden representar&nbsp; c&eacute;lulas&nbsp; de&nbsp; M&uuml;ller&nbsp; edematosas,&nbsp; sin expansi&oacute;n del espacio extracelular.    <br>       <br>   En concordancia con esta teor&iacute;a se encuentra el hecho que&nbsp; la&nbsp; isquemia,&nbsp; y&nbsp; otros&nbsp; factores&nbsp; que&nbsp; produzcan disrupci&oacute;n de la funci&oacute;n de las c&eacute;lulas de M&uuml;ller, est&aacute;n asociados con el desarrollo del EMC. Otros estudios han evidenciado la p&eacute;rdida localizada de los fotorreceptores en ojos con EMC,&nbsp; y plantean la&nbsp; posibilidad&nbsp; que&nbsp; la&nbsp; degeneraci&oacute;n&nbsp; del&nbsp; epitelio pigmentado de la retina est&eacute; tambi&eacute;n involucrada en la g&eacute;nesis del EMC (Ryan 2001, Bringmann et al. 2004).    ]]></body>
<body><![CDATA[<br>       <br>   La causa de EMC pseudof&aacute;quico sigue siendo controversial; el principal mecanismo fisiopatol&oacute;gico&nbsp; sugerido,&nbsp; como&nbsp; se&nbsp; ha&nbsp; comentado anteriormente, involucra las fuerzas resultantes de la&nbsp; tracci&oacute;n&nbsp; v&iacute;trea&nbsp; sobre&nbsp; la&nbsp; m&aacute;cula.&nbsp; La incarceraci&oacute;n&nbsp; del&nbsp; v&iacute;treo&nbsp; en&nbsp; la&nbsp; herida&nbsp; quir&uacute;rgica, que produce tracci&oacute;n de la pupila y de las &aacute;reas de uni&oacute;n firme de la retina con el v&iacute;treo que incluye la m&aacute;cula y el nervio &oacute;ptico, se han asociado con un&nbsp; riesgo&nbsp; incrementado&nbsp; de&nbsp; EMC&nbsp; pseudof&aacute;quico cr&oacute;nico (Lobo 2012). Sin embargo, esta teor&iacute;a no explica la aparici&oacute;n del EMC despu&eacute;s de la cirug&iacute;a de cataratas sin complicaciones, o en ausencia de tracci&oacute;n vitreomacular. En los casos en los que se demostr&oacute; tracci&oacute;n v&iacute;trea, tambi&eacute;n se identific&oacute; la presencia de inflamaci&oacute;n ocular como un hallazgo concomitante.    <br>       <br>   La hiperemia periquer&aacute;tica, celularidad&nbsp; y&nbsp; flare&nbsp; en&nbsp; humor&nbsp; acuoso&nbsp; y&nbsp; v&iacute;treo, incluso&nbsp; edema&nbsp; del&nbsp; disco&nbsp; &oacute;ptico&nbsp; y&nbsp; periflebitis,&nbsp; se asoci&oacute;&nbsp; al&nbsp; EMC&nbsp; pseudof&aacute;quico.&nbsp; Actualmente&nbsp; el flare&nbsp; es&nbsp; considerado&nbsp; un&nbsp; marcador&nbsp; inflamatorio&nbsp; y de&nbsp; disrupci&oacute;n&nbsp; de&nbsp; la&nbsp; barrera&nbsp; hematorretiniana&nbsp; en pacientes&nbsp; con&nbsp; EMC&nbsp; pseudof&aacute;quico&nbsp; (Ersoy&nbsp; et&nbsp; al. 2013).    <br>       <br>   Los mediadores qu&iacute;micos de la inflamaci&oacute;n,&nbsp; incluyendo&nbsp; las&nbsp; prostaglandinas (liberadas&nbsp; en&nbsp; el&nbsp; postoperatorio),&nbsp; aparentemente juegan un papel activo en el desarrollo del EMC, al incrementar la permeabilidad vascular. La fuga de l&iacute;quido por angiograf&iacute;a en pacientes con EMC se&nbsp; reduce&nbsp; al&nbsp; administrar&nbsp; inhibidores&nbsp; de&nbsp; la ciclooxigenasa, que a su vez disminuye la s&iacute;ntesis de&nbsp; prostaglandinas,&nbsp; pudiendo&nbsp; explicar&nbsp; el&nbsp; origen inflamatorio del EMC (Ryan 2001). En&nbsp; la&nbsp; actualidad&nbsp; se&nbsp; describen&nbsp; m&uacute;ltiples opciones terap&eacute;uticas para el EMC. Se usan anti-inflamatorios&nbsp; no&nbsp; esteroideos&nbsp; (AINE)&nbsp; como nepafenac, cuyo mecanismo de acci&oacute;n es a trav&eacute;s de la inhibici&oacute;n en la s&iacute;ntesis de prostaglandinas, incluso a nivel de retina y coroides. Este f&aacute;rmaco tambi&eacute;n inhibe la extravasaci&oacute;n de prote&iacute;nas en el    <br>       <br>   v&iacute;treo&nbsp; y&nbsp; ha&nbsp; demostrado&nbsp; ser&nbsp; una&nbsp; terapia&nbsp; efectiva para&nbsp; el&nbsp; tratamiento&nbsp; del&nbsp; EMC&nbsp; (Lindstrom&nbsp; y&nbsp; Kim 2006).&nbsp; En&nbsp; casos&nbsp; m&aacute;s&nbsp; severos&nbsp; se&nbsp; recomienda&nbsp; la combinaci&oacute;n&nbsp; de&nbsp; un&nbsp; AINE&nbsp; con&nbsp; esteroides.&nbsp; Si&nbsp; no hay&nbsp; mejor&iacute;a&nbsp; visual,&nbsp; administrar&nbsp; esteroides intrav&iacute;treo.&nbsp; En&nbsp; los&nbsp; casos&nbsp; refractarios&nbsp; a&nbsp; los esteroides&nbsp; intrav&iacute;treo&nbsp; se&nbsp; debe&nbsp; plantear&nbsp; la aplicaci&oacute;n&nbsp; de&nbsp; un&nbsp; inhibidor&nbsp; del&nbsp; factor&nbsp; de crecimiento&nbsp; vascular&nbsp; endotelial&nbsp; (anti&nbsp; VEGF) como&nbsp; bevacizumab&nbsp; (Falavarjani&nbsp; et&nbsp; al.&nbsp; 2012).&nbsp; En algunos&nbsp; pa&iacute;ses&nbsp; est&aacute;&nbsp; disponible&nbsp; el&nbsp; implante intrav&iacute;treo&nbsp; de&nbsp; dexametasona,&nbsp; lo&nbsp; que&nbsp; representa una&nbsp; buena&nbsp; opci&oacute;n&nbsp; terap&eacute;utica&nbsp; debido&nbsp; a&nbsp; su liberaci&oacute;n&nbsp; prolongada&nbsp; en&nbsp; el&nbsp; v&iacute;treo&nbsp; (Vito&nbsp; et&nbsp; al. 2014).&nbsp; Se&nbsp; ha&nbsp; descrito&nbsp; tratamiento&nbsp; exitoso&nbsp; con&nbsp; el uso de interfer&oacute;n alfa a2 subcut&aacute;neo (Deuter et al. 2011).    <br>   &nbsp;    <br>   Los&nbsp; pacientes&nbsp; con&nbsp; edema&nbsp; macular&nbsp; diab&eacute;tico deben&nbsp; ser&nbsp; evaluados&nbsp; por&nbsp; el&nbsp; especialista&nbsp; en&nbsp; retina para&nbsp; determinar&nbsp; la&nbsp; posibilidad&nbsp; de&nbsp; aplicar tratamiento previo a la cirug&iacute;a de cataratas debido al&nbsp; alto&nbsp; riesgo&nbsp; de&nbsp; exacerbaci&oacute;n&nbsp; del&nbsp; edema.&nbsp; El tratamiento&nbsp; va&nbsp; a&nbsp; depender&nbsp; del&nbsp; estado&nbsp; de&nbsp; la retinopat&iacute;a y del edema macular diab&eacute;tico (Aroca 2013).    ]]></body>
<body><![CDATA[<br>       <br>   <span style="font-weight: bold;">CONCLUSIONES</span>    <br>       <br>   La prevalencia del edema macular cistoideo en los&nbsp; pacientes&nbsp; intervenidos&nbsp; de&nbsp; catarata&nbsp; por&nbsp; la t&eacute;cnica&nbsp; de&nbsp; facoemulsificaci&oacute;n&nbsp; complicadas&nbsp; o&nbsp; no, intervenidos&nbsp; quir&uacute;rgicamente,&nbsp; por&nbsp; el&nbsp; personal m&eacute;dico del servicio de oftalmolog&iacute;a del Hospital Universitario&nbsp; de&nbsp; Caracas,&nbsp; en&nbsp; el&nbsp; lapso&nbsp; agosto-octubre&nbsp; de&nbsp; 2014,&nbsp; fue&nbsp; de&nbsp; 2%.&nbsp; La&nbsp; totalidad&nbsp; de&nbsp; los pacientes&nbsp; se&nbsp; ubicaron&nbsp; en&nbsp; el&nbsp; grupo&nbsp; I&nbsp; (agudezas visuales corregidas de 20/20 a 20/40). Distribuidas de la siguiente manera, AVC 20/20: 48%, AVC 20/25: 28%, AVC 20/30: 20% y AVC 20/40:&nbsp; 4%.&nbsp; El&nbsp; grosor&nbsp; foveal&nbsp; promedio&nbsp; de&nbsp; los pacientes&nbsp; intervenidos&nbsp; de&nbsp; catarata&nbsp; con&nbsp; la&nbsp; t&eacute;cnica de facoemulsificaci&oacute;n, medido por tomograf&iacute;a de coherencia &oacute;ptica (OCT) fue de 172 &plusmn; 13 &mu;m. Las complicaciones&nbsp; identificadas&nbsp; en&nbsp; el&nbsp; paciente&nbsp; que desarroll&oacute; edema macular cistoideo pseudof&aacute;quico fueron la ruptura capsular posterior durante&nbsp; la&nbsp; cirug&iacute;a&nbsp; de&nbsp; cataratas&nbsp; con&nbsp; implante&nbsp; del lente intraocular en el sulcus ciliar. La tomograf&iacute;a de coherencia &oacute;ptica es una t&eacute;cnica diagn&oacute;stica no invasiva, precisa y confiable en el diagn&oacute;stico del edema macular cistoideo pseudof&aacute;quico.    <br>       <br>   <span style="font-weight: bold;">REFERENCIAS BIBLIOGR&Aacute;FICAS</span>    <br>   &nbsp;    <!-- ref --><br>   1.AROCA P. 2013. Current status in diabetic macular edema&nbsp; treatments.&nbsp; World&nbsp; J.&nbsp; Diabetes. 4(5)165-169.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=3289705&pid=S1315-0162201600040000800001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><br>   &nbsp;    <br>   2.BOYD B. 2002. Atlas de cirug&iacute;a ocular. Cirug&iacute;a de cataratas&nbsp; y&nbsp; lentes&nbsp; intraoculares.&nbsp; Cirug&iacute;a oculopl&aacute;stica funcional y cosm&eacute;tica. Volumen II. Editorial Highlight    ]]></body>
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