期刊
AMERICAN JOURNAL OF KIDNEY DISEASES
卷 62, 期 2, 页码 285-294出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.ajkd.2013.03.025
关键词
Chronic kidney disease; hypertension; ambulatory; treatment; control
资金
- Lacer Laboratories, Barcelona, Spain
Background: Previous studies have examined control rates of office blood pressure (BP) in chronic kidney disease (CKD). However, recent evidence suggests major discrepancies between office and 24-hour BP values in hypertensive populations. This study examined concordance/discordance between office- and ambulatory-based BP control in a large cohort of patients with CKD. Study Design: Cross-sectional. Setting & Participants: 5,693 hypertensive individuals with CKD stages 1-5 from the Spanish ABPM (ambulatory BP monitoring) Registry. Predictors: Thresholds of 140/90 and 130/80 mm Hg for office BP and 24-hour ambulatory BP, respectively. Age, sex, body mass index, waist circumference, hypertension duration, kidney measures, diabetes, dyslipidemia, target-organ damage, and cardiovascular comorbid conditions. Outcomes: Misclassification of BP control as white-coat hypertension (office BP >= 140/90 mm Hg, 24-hour BP <130/80 mm Hg) or masked hypertension (office BP <140/90 mm Hg, 24-hour BP >= 130/80 mm Hg). Measurements: Standardized office- based BP and 24-hour ABPM. Results: Mean age was 61.0 +/- 13.9 (SD) years and 52.6% were men. The proportion with white-coat hypertension was 28.8% (36.8% of patients with office BP >= 140/90 mm Hg) and that of masked hypertension was 7.0% (but 32.1% of patients with office BP <140/90 mm Hg). Female sex, aging, obesity, and target-organ damage were associated with white-coat hypertension; aging and obesity were associated with masked hypertension. Only 21.7% and 8.1% of the CKD population had office BP <140/90 and <130/80 mm Hg, respectively. In contrast, 43.5% of individuals had average 24-hour BP <130/80 mm Hg. Limitations: Cross-sectional design, longitudinal associations cannot be established. Conclusions: Misclassification of BP control at the office was observed in 1 of 3 hypertensive patients with CKD. Ambulatory-based control rates were far better than office- based rates. Nevertheless, the burden of uncontrolled ambulatory BP and misclassification of BP control at the office constitutes a call for wider use of ABPM to evaluate the success of hypertension treatment in patients with CKD. (c) 2013 by the National Kidney Foundation, Inc.
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