Aim: Subclinical hypothyroidism is defined as mild thyroid failure and it is associated with an increase in cardiovascular risk. The changes in the parameters related to dyslipidemia and coagulation may potentially contribute to the development of atherosclerosis in subclinical hypothyroidism. In this study, we aimed to investigate the difference between the subclinical hypothyroid patients and the control group in terms of fibrinogen, high sensitive C-reactive protein and lipid parameters as a cardiovascular risk factor. Material and Methods: The participants of this study were 44 newly-diagnosed subclinical hypothyroid patients. The control group was composed of 44 healthy subjects with no specific disease. Smokers and alcohol consumers were not included in the study. Serum TSH level greater than 4 mIU/L was defined as subclinical hypothyroidism while free thyroid hormones within normal limits. The patient and the control group were compared in terms of fibrinogen, high sensitive C-reactive protein and lipid parameters. Results: Fibrinogen, high sensitive C-reactive protein and total cholestrol levels in the patient group were found statistically higher than those of the control group (P < 0.001, P < 0.001, P = 0.042, respectively). The average TSH level was 6.3 mIU/L in the patient group. When the sub-groups were examined according to their TSH levels in terms of fibrinogen, high sensitive CRP and total cholestrol, we observed no statistically significant difference between the group with TSH level between 6-10 mIU/L and the group with TSH level higher than 10 mIU/L (P = 0.283, P = 0.140, P = 0.283, respectively). Conclusion: The results of this study showed that, in the subclinical hypothyroid patients fibrinogen, high sensitive C-reactive protein and total cholesterol levels were statistically higher than those of the control group. These factors may contribute to increased atherosclerosis in subclinical hypothyroidism. Key words: Hypothyroidism, fibrinogen, C-reactive protein, cholesterol, atherosclerosis, subclinical disturbances
Alan : Sağlık Bilimleri
Dergi Türü : Uluslararası
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