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Evolution of thyroid dysfunction among type-2 diabetic mid and far western Nepalese population
Authors: Priti Singh, Salman Khan, Rabindra Kumar Mittal
Number of views: 424
Objective: To evaluate the prevalence of thyroid dysfunction in subjects with type 2 diabetes and the effect of type 2 diabetes mellitus (T2D) on other biochemical variables.
Methods: To determine the incidence of abnormal thyroid hormone levels in diabetics in Nepalgunj Medical College and Hospital, Nepal, blood samples from 100 diabetic subjects and 100 non-diabetic controls were taken between 1st February, 2012 to 31st January, 2013 for investigation of free triiodothyronine (FT3), free thyroxine (FT4), thyroid stimulating hormone (TSH), plasma glucose fasting, serum cholesterol, serum triglycerides, high density lipoprotein, low density lipoprotein, very low density lipoprotein, blood urea, serum creatinine, total protein and albumin. Randox kits obtained from Randox Laboratories Ltd., Ardmore, UK were used for the analysis of FT3, FT4 and TSH.
Results: Our findings showed that the level of FT3 and FT4 were significantly lower while the level of TSH was significantly higher in T2D as compared to non-diabetics. From the 100 diabetic subjects studied, 29% showed abnormal thyroid hormone levels (24% hypothyroidism and 5% hyperthyroidism).
Conclusions: Our findings indicate that the frequency of thyroid is significantly higher in type 2 diabetic patients than in non-diabetic control group. Further studies are required to recognize the cause of hypothyroidism in T2D.