Hyperglycaemia in Hyperthyroidism Predictive Factors  

Said Azzoug1 , F. Chentli1 , S. Fellah2 , D. Remini2 , E.A. Koceir2
1 Endocrinology and Metabolism department Bab El Oued Hospital Algiers, Algeria
2 Department of Biology USTHB Algiers, Algeria
Author    Correspondence author
International Journal of Clinical Case Reports, 2015, Vol. 5, No. 6   doi: 10.5376/ijccr.2015.05.0006
Received: 25 Oct., 2014    Accepted: 17 Nov., 2014    Published: 30 Jan., 2015
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This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Azzoug et al., 2015, Hyperglycaemia in Hyperthyroidism Predictive Factors, International Journal of Clinical Case Reports, Vol.5, No. 6 1-4 (doi: 10.5376/ijccr.2015.05.0006)

Abstract

Glucose abnormalities are frequent in hyperthyroidism; the aim of our study is to determine the predisposing factors of glucose disturbances in hyperthyroidism.

Subjects and methods: it is a retro and prospective study including 376 hyperthyroid subjects. Patients having fasting glycaemia < 1 g/L and/or glycaemia after 75 gr-Oral Glucose Tolerance Test (OGTT) < 1.40 g/L were compared to patients having fasting glycaemia ≥ 1 g/L and/or glycaemia after OGTT ≥ 1.40 g/L.


Results: 44% had glucose abnormalities (12% diabetes and 32% prediabetes). Hyperglycemic patients were older, were more frequently hypertensive and have more familial background of diabetes than normoglycemic patients.

Conclusion: Ageing, underlying hypertension and familial diabetes are risk factors for glucose abnormalities in hyperthyroid subjects whereas the severity of hyperthyroidism is not, which suggest that hyperthyroidism may worsen glucose metabolism in patients at risk of type 2 diabetes.

Keywords
Hyperthyroidism; Hyperglycemia; Hypertension; Familial diabetes
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