Abstract
Background: Subclinical Hypothyroidism (SCH) is defined as normal serum free thyroid hormone levels coexisting with elevated serum Thyroid-Stimulating Hormone (TSH) levels. SCH is a common condition observed in clinical practice with several unique features. The present study was conducted to find prevalence of subclinical hypothyroidism in patients with myocardial infarction and demographic differences between patients with and without SCH. Materials and Methods: A total of 100 patients with Myocardial Infarction of Adult (age > 18 years) males and females were selected from the patients attending Medicine OPD, IPD or Intensive Care Unit (ICU) in GMC, Azamgarh. Clinical examination, laboratory investigations for myocardial infarction, thyroid status and lipid profile was done in all patients in our study. All Patients with TSH values > 10mU/L or < 0.04mU/L or Known cases of Thyroid abnormalities were excluded from the study. Statistical analysis was done using excel and SPSS software. Results: Out of 100 patients 44 patients of MI had subclinical hypothyroid were as rest 56 patients were euthyroid. In both the groups no statistical difference was seen in the type of Myocardial infarction. There was significant difference in lipid profile (p<0.05) in SCH group as compared to euthyroid group. Conclusion: Patients with Subclinical hypothyroid and MI had more lipid abnormalities as compared to Euthyroid group although the type of myocardial infarction was similar in both the groups. Males had more myocardial infarction as compared to females in both the subclinical hypothyroid and euthyroid groups.
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