Journal
HYPERTENSION
Volume 55, Issue 5, Pages 1102-U60Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/HYPERTENSIONAHA.110.150722
Keywords
epidemiology; albuminuria; renal; prevention; awareness; surveillance
Categories
Funding
- Centers for Disease Control and Prevention through the Association of American Medical College [U36/CCU319276]
- Association of American Medical Colleges [MM-0997-07/07, MM-1143-10/10]
- Robert Wood Johnson Foundation
- National Institute of Diabetes, Digestive and Kidney Disease [K24DK02643]
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Htypertension is both a cause and a consequence of chronic kidney disease, but the prevalence of chronic kidney disease throughout the diagnostic spectrum of blood pressure has not been established. We determined the prevalence of chronic kidney disease within blood pressure categories in 17 794 adults surveyed by the National Health and Nutrition Examination Survey during 1999-2006, Diagnosed hypertension was defined as self-reported provider diagnosis (n=5832); undiagnosed hypertension was defined as systolic blood pressure >= 1.40 mm Jig or diastolic blood pressure >= 90 mm fig, without report of provider diagnosis (n=3046); prehypertension was defined as systolic blood pressure >= 120 and <140 mm fig or diastolic blood pressure >= 80 and <90 mm fig (n=3719); and normal was defined as systolic blood pressure <120 mm Hg and diastolic blood pressure <80 ram fig (n=5197). Chronic kidney disease was defined as estimated glomerular filtration rate <60 mL/min per 1,73 m(2) or urinary albuunin:creatinine ratio >30 mg/g, Prevalences of chronic kidney disease among those with prehypertension and undiagnosed hypertension were 17.3% and 22.0%, respectively, compared with 27.5% with diagnosed hypertension and 13.4% with normal blood pressure, after adjustment for age, sex, and race in multivariable logistic regression. This pattern persisted with varying definitions of kidney disease; macroalbuminuria (urinary albumin:creatininc ratio >300 mg/g) had the strongest association with increasing blood pressure category (odds ratio: 2,37 [95% CI: 2,00 to 2.81]). Chronic kidney disease is prevalent in undiagnosed and prehypertension. Earlier identification and treatment of both these conditions may prevent or delay morbidity and mortality from chronic kidney disease. (Hypertension. 2010;55:1102-1109.)
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