Abstract
Objective To relate microalbuminuria with the degree of glycaemic control in type 2 diabetic patients and determine the prevalence of poor glycemic control amongst the normotensive diabetes mellitus (NDM) and hypertensive diabetes mellitus (HDM) with or without microalbuminuria. Methods A total of 95 type 2 diabetes mellitus patients and 30 healthy controls were randomly selected and studied. 17 of the 95 patients were normotensive diabetic with microalbuminuria, 40 of them were HDM presenting with microalbuminuria and 38 were NDM without microalbuminuria. Their blood was obtained for fasting plasma glucose and glycated haemoglobin while their urine was obtained for albumin and creatinine estimation and the ratio was calculated. Results Out of the 95 diabetic patients studied, 57 (60%) of them had microalbuminuria while 38 (40%) had normoalbuminuria. The mean ages in the diabetics with microalbuminuria were higher than those without microalbuminuria ( P=0.054 6). The mean glycated haemoglobin was the highest (5.95±2.06)% in NDM with microalbuminuria when compared with HDM with microalbuminuria (5.83±1.62)% and that in (5.66±2.49)% in NDM without microalbuminuria ( P=0.000 9). Similarly, fasting plasma glucose was the highest (9.09±4.31) mmol/L in NDM with microalbuminuria than those without microalbuminuria (7.70±3.33) mmol/L ( P=0.000 1). The prevalence of poor glycaemic control was the highest (29%) in NDM with microalbuminuria while the least (21%) in NDM without microalbuminuria. Conclusions The risk of microalbuminuria increases with poor glycemic control. Persistent increase in glycated haemoglobin may be an indicator of worsening albumin creatinine ratio and diabetic nephropathy. Therefore, regular screening for microalbuminuria in addition to continuous (3-monthly) glycated HbA1c estimation is advised.
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