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1.
Arch. endocrinol. metab. (Online) ; 62(4): 410-415, July-Aug. 2018. tab, graf
Artículo en Inglés | LILACS | ID: biblio-950086

RESUMEN

ABSTRACT Objective: The association between coronary artery disease (CAD) and thyroid function remains controversial. We evaluated the thyroid function and graduated well-defined CAD as confirmed by quantitative coronary angiography (CA). Subjects and methods: We evaluated the serum TSH, free thyroxine, free triiodothyronine and thyroid antibody levels in 300 consecutive patients (age 61.6 ± 9.9 years and 54% were male) undergoing CAD diagnosis as confirmed by CA. Plaques with ≥ 50% stenosis being indicative of obstructive CAD, and patients were divided into groups according to main epicardial coronary arteries with plaques (0, 1, 2, 3). Lipid profiles and a homeostasis model assessment (HOMA-IR) were determined. Results: Serum median (25% and 75% percentile) TSH levels in patients with group 2 and 3 (2.25; 1.66-3.12 mU/L and 4.99; 4.38-23.60 mU/L, respectively) had significantly higher TSH concentrations (p < 0.0001) than the group 0 (1.82; 1.35-2.51 mU/L). Furthermore, patients of group 3 had higher TSH concentration (p < 0.0001) than those of group 1 (1.60; 0.89-2.68 mU/L). Group 3 were older (64 ± 8.5 vs. 59 ± 9.5, p = 0.001), had more patients with dyslipidemia (84% versus 58%, p < 0.001), male (54% versus 44%, p = 0.01), hypertension (100% versus 86%, p < 0.001), and smoking (61% versus 33%, p < 0.001) than group 0. Multivariate stepwise logistic analysis showed TSH, age, HbA1c, and HOMA-IR were the CAD associated variables. Conclusions: In this cohort, elevated TSH levels in the high normal range or above are associated with the presence and severity of CAD besides may represent a weak CAD risk factor.


Asunto(s)
Humanos , Masculino , Persona de Mediana Edad , Anciano , Enfermedad de la Arteria Coronaria/sangre , Tirotropina/sangre , Pruebas de Función de la Tiroides , Tiroxina/sangre , Triyodotironina/sangre , Enfermedad de la Arteria Coronaria/diagnóstico por imagen , Hemoglobina Glucada/análisis , Resistencia a la Insulina , Colesterol/sangre , Estudios Transversales , Factores de Riesgo , Factores de Edad , Angiografía Coronaria , Estenosis Coronaria/diagnóstico por imagen
2.
Arq. bras. endocrinol. metab ; 56(3): 153-158, Apr. 2012. ilus
Artículo en Inglés | LILACS | ID: lil-626265

RESUMEN

Despite recent advances in pharmacological treatment of psychiatric disorders, lithium salts remain frequently used, as they are effective and inexpensive alternatives, especially in the treatment of bipolar disorders. Their use is commonly associated with various endocrine disorders, mainly in thyroid and parathyroid function, and in mineral metabolism. This article aims at reviewing these potential endocrinopathies related to the use of lithium to make health care professionals aware and familiar with these possible complications when they follow up patients using this drug, and to make them able to monitor, identify and institute early and appropriate treatment.


Apesar dos recentes avanços farmacológicos no tratamento dos transtornos psiquiátricos, os sais de lítio permanecem como uma alternativa eficaz e de menor custo, sendo usados com frequência principalmente no tratamento dos transtornos bipolares. O seu uso é comumente relacionado com diversas alterações endocrinológicas, principalmente nas funções tiroidiana, paratiroidiana e do metabolismo iônico. Este artigo tem por objetivo fazer uma revisão dessas potenciais endocrinopatias relacionadas ao uso do lítio, para que, no seguimento de pacientes em uso dessa medicação, os profissionais de saúde estejam atentos e familiarizados com essas possíveis complicações, conseguindo identificar e instituir tratamento precocemente.


Asunto(s)
Humanos , Enfermedades del Sistema Endocrino/inducido químicamente , Compuestos de Litio/efectos adversos , Glándulas Paratiroides/efectos de los fármacos , Glándula Tiroides/efectos de los fármacos , Glucemia/metabolismo , Diabetes Insípida Nefrogénica/inducido químicamente , Trastornos Mentales/tratamiento farmacológico
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