A Study on serum uric acid level in Type 2 Diabetes Mellitus

Abstract

Diabetes mellitus is strongly associated with hyperuricemia. The role of uric acid as a independent risk factor for cardiovascular disease is a matter of controversy. The present study was proposed to assess the uric acid status in patients with diabetes mellitus and to find out its association with age, gender, BMI, WHR, smoking and CAD. With rigid criteria, patients were selected carefully and evaluated on social, clinical and laboratory aspects after getting institutional, ethical clearance and informed consent. 30 healthy age, sex matched individuals were kept as control. There were 43 males and 27 females in the study group and 18 males and 12 females in the control group. There was no significant difference among cases and controls in relation to age. In study group, BMI below 25 was seen in 34 cases (48.57%), BMI above 25 seen in 36 cases (51.42%) which was significantly more than controls. BMI had significantly correlated with hyperuricemia. Similarly WHR was greater among women than men in diabetics, which also correlated with elevated serum uric acid significantly. Elevated serum uric acid level was noticed more among those who had hypertension dyslipidemia, coronary artery disease and they were significant. Patients with longer duration of diabetes also had elevated uric acid level. The factors contributing to hyperuricemia in diabetes are, 1. Hyperinsulinemia acutely reduces urinary uric acid and sodium excretion. 2. Hyperinsulinemia imposes a chronic antinatriuretic and anti uricosuric effect on the kidney. 3. Microvascular disease in diabetes mellitus causes local tissue ischemia and decreased renal blood flow leading to ischemia with associated lactate production that blocks urate secretion in proximal tubules. Increased uric acid synthesis occurs due to increased purine metabolism, ischemia induced increased xanthine oxidase production, insulin resistance and diuretic use. Routine annual estimation of uric acid among diabetics from the identification of diabetes will help the clinician to find out the changing trends of uric acid level which is likely to be influenced by control of blood sugar and development of hypertension, such cases should be carefully monitored for CAD as well as other vascular episodes. Since uric acid is a confounding factor and multiple factors are involved for elevated uric acid. A meticulous control of blood sugar, hypertension, dyslipidemia among diabetics will bring down elevated uric acid level in diabetics. Let us have a Moto of, “Assess diabetics for risk factors; Assist to control them and Arrest the development of complications” With the Pharmacological and non pharmacological means

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