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Investigación Clínica
versión impresa ISSN 0535-5133
Resumen
VIZZI, Esmeralda y ANGULO MEDINA, Luis A. Enteropathogens responsible of gastrointestinal disorders in HIV patients. Invest. clín [online]. 2013, vol.54, n.1, pp.90-108. ISSN 0535-5133.
Gastrointestinal disorders or GID are debilitating conditions common in individuals infected by the human immunodeficiency virus (HIV), capable of leading to death. Numerous etiological agents and pathophysiological mechanisms have been involved in this status. Although the use of highly active antiretroviral therapy (HAART) in many countries has greatly reduced the prevalence of gastrointestinal infections, enteric pathogens such as bacteria, parasites, fungi and viruses may still act as opportunist agents in these patients. Cytomegalovirus, adenovirus, calicivirus, astrovirus, rotavirus, enterovirus, picobirnavirus and some more recently described, like bocavirus and Aichi virus, have been detected in HIV patients. However, except for cytomegalovirus, which is an established etiological agent of GID in these patients, the role of the other viruses remains unclear. Several species of Cryptosporidium, microsporidia, Salmonella, atipical mycobacteria and Campylobacter jejuni, have also been recognized as important causes of GID in HIV patients. The progressive incorporation of increasingly sensitive immunological and molecular assays for antigen, antibody and pathogens detection from faeces, has improved the diagnosis of diarrhea and contributed to clarify the etiological significance of some microorganisms in immunocompetent patients. In Venezuela, some information is available about the prevalence of enteric pathogens in immunocompromised patients infected with HIV. The identification of the etiologic agent responsible for this condition may be useful for the management and treatment of these patients, for whom viral enteritis is a disease, which reduces their quality of life and causes a high public health spending.
Palabras clave : HIV; diarrhea; enteropathogens.
