Office and ambulatory blood pressure are independently associated with albuminuria in older subjects with type 2 diabetes.
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2006-04-21
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Abstract
Blood pressure strongly predicts microalbuminuria and later progression to renal failure in people with diabetes Ambulatory blood pressure monitoring seems to be superior to office blood pressure in predicting progression to microalbuminuria in type 1 diabetes The associations of ambulatory blood pressure with office blood pressure and microalbuminuria in type 2 diabetes remain unclear We studied the association of office blood pressure taken with an automated device and ambulatory blood pressure with spot urine albumin creatinine ratio in 1180 older people with type 2 diabetes participating in the Informatics for Diabetes Education and Telemedicine Study Office and awake systolic blood pressure were independently associated with albuminuria PUnder0 001 for both in a multivariate linear regression analysis that adjusted for age gender duration of diabetes hemoglobin A1c number of antihypertensive medications and use of an angiotensin converting enzyme inhibitor or angiotensin receptor blocker Twelve percent of participants had well controlled office blood pressure but not ambulatory blood pressure whereas 14 had well controlled ambulatory but not office blood pressure The prevalence of microalbuminuria and macroalbuminuria in these subgroups was intermediate between those with well controlled or uncontrolled blood pressure by both methods We found in a multiethnic group of older subjects with type 2 diabetes that office systolic blood pressure and awake systolic ambulatory blood pressure exhibited independent associations with degree of albuminuria