Resumen

HERNANDEZ, Evelyn; FIGUEROA, Luis; PIZZI, Rita  y  FUNG, Liliana. Patología tiroidea en el síndrome de ovario poliquístico. Rev Obstet Ginecol Venez [online]. 2016, vol.76, n.2, pp.110-117. ISSN 0048-7732.

Objective: The purpose of this study was to determine thyroid function and echostructure in policystic ovary syndrome, as well as the association of these with insulin resistance. Methods: Echostructure and thyroid function were determined in 64 patients newly diagnosed with policystic ovary syndrome, without treatment, divided into two groups of 32 patients each according to the presence of insulin resistance, group 1 (G1) with HOMA-IR> 2.5 and Group 2 (G2) with HOMA-IR <2.5. Results: The thyroid function in the G1 was, 15/32 (46.9 %) patients with TSH> 2.5 mUI / mL. For G2 7/32 (21.9 %) patients with TSH> 2.5 mUI / mL (P = 0.035). The presence of positive AntiTPO identified in 11/32 (34.4 %) patients in G1 and 6/32 (18.8 %) of G2 (P = 0.15), a total of 53.2 % of Autoimmune Thyroid Disease (ATD) independently of the presence of insulin resistance. Ultrasound evaluation of the thyroid gland, revealed the presence of nodules in 12/32 (37.6 %) of G1, and 4/32 (12.5 %) of G2 (P = 0.025). Overweight and obesity was observed in 74.99 % of patients in the G1 and G2 37.49 % (P = 0.001). Other parameters were assessed, as hirsutism, which was identified in 96.9 % of patients in G1 and G2 62.5 % (P = 0.002). The free androgen index was> 3.8 in 20/32 (62.5 %) patients in G1 and 14/32 (43.8 %) in G2 (P = 0.13). Conclusions: The prevalence of Autoimmune Thyroid Disease in policystic ovary syndrome is higher than in the general population, the molecular basis point to a common gene, however this has not yet been well clarified. The effects of insulin resistance in policystic ovary syndrome are not limited to ovarian function, its relationship with elevated TSH and ultrasound changes of the thyroid gland, especially for the presence of nodular pathology justifies its evaluation for correct therapeutic approach.

Palabras clave : Polycystic Ovary Syndrome; Thyroid function; Autoimmune Thyroid Disease; Thyroid Nodular Disease; Insulin resistance.

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