Li-Yan Wang1, Dao-Xin Yin, Dong-Liang Zhang, Rui Xu, Wen-Ying Cui, Wen-Hu Liu. 1. Department of Nephrology, Affiliated Beijing Friendship Hospital, Faculty of Kidney Diseases, Capital Medical University, No. 95 Yong An Road, Xi Cheng District, Beijing, 100050, China.
Abstract
PURPOSE: Hypertension is an independent risk factor for mortality in chronic kidney disease (CKD) and is suboptimally controlled worldwide. Therefore, this study aimed to examine the rate of BP control and the main barriers to achieving target BP, according to K/DOQI guidelines, in China. METHODS: We performed a single-center, prospective cohort study. Two hundred and sixty CKD patients were referred by general physicians to nephrologists, and their BP was treated in accordance with K/DOQI guidelines for a 1-year follow-up. We evaluated improvement of BP target achievement and factors affecting BP control. We defined "not-at-goal" as persistence of systolic BP ≥ 130 mmHg and/or diastolic BP ≥ 80 mmHg after 1 year. RESULTS: The BP decreased from 138 ± 12/84 ± 7 mmHg at baseline to 124 ± 13/73 ± 7 mmHg after 1 year. The rate of achieving the BP goal (<130/80 mmHg) increased from 25.4 to 61.5 %. The decrease in BP was associated with a significant reduction of proteinuria (median, 0.14 vs 0.06 g/24 h; P < 0.05). Logistic regression analysis identified proteinuria levels ≥1.0 g/24 h (odds ratio [OR]: 5.21; 95 % confidence interval [CI]: 1.37-19.77) and high basal systolic BP (OR: 2.17; 95 % CI: 1.25-3.77) and diastolic BP (OR: 6.62; 95 % CI: 2.03-21.60) as independent predictors of not-at-goal BP. Higher educational level was independently associated with at-goal BP (OR: 0.21; 95 % CI: 0.06-0.78). CONCLUSIONS: In CKD patients, BP control is poor when managed by general physicians and may be improved after nephrologist referral. High basal BP and proteinuria levels ≥1.0 g/24 h are the main barriers that preclude the optimal control of BP.
PURPOSE:Hypertension is an independent risk factor for mortality in chronic kidney disease (CKD) and is suboptimally controlled worldwide. Therefore, this study aimed to examine the rate of BP control and the main barriers to achieving target BP, according to K/DOQI guidelines, in China. METHODS: We performed a single-center, prospective cohort study. Two hundred and sixty CKDpatients were referred by general physicians to nephrologists, and their BP was treated in accordance with K/DOQI guidelines for a 1-year follow-up. We evaluated improvement of BP target achievement and factors affecting BP control. We defined "not-at-goal" as persistence of systolic BP ≥ 130 mmHg and/or diastolic BP ≥ 80 mmHg after 1 year. RESULTS: The BP decreased from 138 ± 12/84 ± 7 mmHg at baseline to 124 ± 13/73 ± 7 mmHg after 1 year. The rate of achieving the BP goal (<130/80 mmHg) increased from 25.4 to 61.5 %. The decrease in BP was associated with a significant reduction of proteinuria (median, 0.14 vs 0.06 g/24 h; P < 0.05). Logistic regression analysis identified proteinuria levels ≥1.0 g/24 h (odds ratio [OR]: 5.21; 95 % confidence interval [CI]: 1.37-19.77) and high basal systolic BP (OR: 2.17; 95 % CI: 1.25-3.77) and diastolic BP (OR: 6.62; 95 % CI: 2.03-21.60) as independent predictors of not-at-goal BP. Higher educational level was independently associated with at-goal BP (OR: 0.21; 95 % CI: 0.06-0.78). CONCLUSIONS: In CKDpatients, BP control is poor when managed by general physicians and may be improved after nephrologist referral. High basal BP and proteinuria levels ≥1.0 g/24 h are the main barriers that preclude the optimal control of BP.
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