Background: An association between essential hypertension and defective insulin secretion has been identified. Objective: To estimate fasting serum insulin level in adult male with essential hypertension to observe its relationship to hypertension. Methods: This cross sectional study was conducted in the Department of Physiology, Dhaka Medical College, Dhaka from July 2012 to June 2013. A total number of one hundred fifty male subjects were selected with age ranging from 25 to 45 years. Seventy five male essential hypertensive were enrolled from Out-patient Department of Medicine, Dhaka Medical College Hospital, Dhaka. Age matched seventy five apparently healthy males were studied as control. Fasting serum insulin level was measured by ELISA method and fasting blood glucose by glucose oxidase method. For statistical analyses, unpaired Student's 't' and Pearson's correlation coefficient (r) tests were performed. Results: Fasting serum insulin level was significantly (P<0.001) higher in essential hypertensive male patients than normotensive subjects. Fasting serum insulin level shows significant positive correlation with systolic blood pressure in hypertensive patients. Conclusion: This study reveals that essential hypertension has positive and significant relationship with fasting serum insulin level.

Background: In obesity insulin hypersecretion is a key feature indicating the abnormal pancreatic beta cell function which is the fundamental defect in the development of NIDDM, hypertension and cardiovascular diseases. Objective: To assess the secretory status of insulin in adult obese female. Methods: The present study was a cross sectional analytical study and conducted in the Department of Physiology, Dhaka Medical College, Dhaka from July 2012 to June 2013. 50 obese female subjects of 20-40 years were included from Out-patient Department (Obesity clinic) of BIRDEM Hospital, Dhaka and by personal contact from different areas of Dhaka city. 50 age matched, healthy non-obese female subjects selected as controls . Fasting serum insulin level was measured by ELISA and fasting glucose level was measured by Glucose oxidase method. The insulin secretory status was calculated by HOMA-%B using HOMA software. For statistical analysis unpaired Student's 't' test and Pearson's correlation coefficient (r) test were performed as applicable . Result: Mean fasting serum insulin and HOMA%B (P<0.001) were higher in the obese than that non obese. Fasting serum insulin level and HOMA%B showed significantly positive correlation with WHR. Conclusion: This study concludes that obese individual develops a state of insulin hypersecretion and hyperinsulinemia.

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