Resumo

JERKOVICH, F; MONCET, D; REMON, JA  e  ISAAC, G. Prevalence of Thyroid Disease in Patients with Type 2 Diabetes. Rev. argent. endocrinol. metab. [online]. 2014, vol.51, n.3, pp.123-129. ISSN 1851-3034.

Aim: To assess the frequency of goiter, thyroid dysfunction and autoimmunity in a group of patients with type 2 diabetes. Material and Methods: We evaluated a group of patients with diagnosis of type 2 diabetes, who presented at the Endocrinology department from July 1st to October 31st, 2011. The diagnosis of diabetes was based on the American Diabetes Association criteria. Results: Data from 190 patients were analyzed. The mean age was 61.7 years (range 27-85); 103 were women (54.2%). Thyroid autoantibody measurements were available in 139 patients. The total frequency of thyroid dysfunction was 54.2 % (103 patients), 84 patients (44.2 %) with previous diagnosis and 19 patients (10.0 %) with new diagnosis. The most frequent thyroid dysfunction was overt hypothyroidism (68 patients [35.8 %]). Goiter was present in 52 patients (27.4 %), most of them had multinodular goiter (36 patients [18.9 %]). Thy­roid autoantibodies were positive in 32 patients (23.0 %). We classified patients into two groups according to age: patients over 65 (group 1) and patients under 65 (group 2). No significant difference in the frequency of thyroid dysfunction (57.8 % versus 51.0 %) and goiter (25.6 % versus 29.0 %) were found between these groups. However, there was a significant difference in the proportion of thyroid autoimmunity according to age (13.1 % and 30.8 %, P <0.05, respectively). When separating patients into women and men, the percentage of thyroid dysfunction was 70.8 % and 34.0 % (P <0.0001), the percentage of goiter was 41.7 % and 10.3 % (P <0.0001) and the percentage of thyroid autoimmunity was 27.9 % and 15.1 % (not statistically significant), respectively. Conclusions: The frequency of thyroid dysfunction was 54.2 %, which was the highest rate according to the studies reviewed. Detection of thyroid dysfunction in patients with type 2 diabetes is clinically important since it is a treatable disease that may contribute to an increased cardiovascular risk in these patients. Rev Argent Endocrinol Metab 51:123-129, 2014 No financial conflicts of interest exist.

Palavras-chave : Thyroid disfunction; Type 2 diabetes; Thyroid autoimmunity; Goiter.

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