International Journal of Medical Sciences

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17 October 2017

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Int J Med Sci 2013; 10(11):1430-1436. doi:10.7150/ijms.6645

Research Paper

Brachial-Ankle Pulse Wave Velocity Predicts Decline in Renal Function and Cardiovascular Events in Early Stages of Chronic Kidney Disease

Hye Eun Yoon1,2, Dong Il Shin1,3, Sung Jun Kim1,2, Eun Sil Koh1, Hyeon Seok Hwang1, Sungjin Chung1, Seok Joon Shin1,2✉

1. Department of Internal Medicine, College of Medicine, The Catholic University of Korea;
2. Division of Nephrology, Department of Internal Medicine, Incheon St. Mary's Hospital;
3. Division of Cardiology, Department of Internal Medicine, Incheon St. Mary's Hospital.

Abstract

Objective: In this study, we investigated the predictive capacity of the brachial-ankle aortic pulse wave velocity (baPWV), a marker of arterial stiffness, for the decline in renal function and for cardiovascular events in the early stages of chronic kidney disease (CKD).

Method: Two hundred forty-one patients who underwent a comprehensive check-up were included and were divided into two groups according to their estimated glomerular filtration rates (eGFR): patients with CKD categories G2, G3a and G3b (30 ≤ eGFR < 90 ml/min/1.73m2, eGFR < 90 group; n=117) and those with eGFR ≥ 90 ml/min/1.73 m2 (eGFR ≥ 90 group; n=124). The change in renal function, the eGFR change, was determined by the slope of eGFR against time. We analysed whether baPWV was associated with eGFR change or predicted cardiovascular events.

Results: baPWV was independently associated with eGFR change in a multivariate analysis of the total patients (β=-0.011, p=0.011) and remained significantly associated with eGFR change in a subgroup analysis of the eGFR < 90 group (β=-0.015, p=0.035). baPWV was independently associated with cardiovascular events (odds ratio=1.002, p=0.048) in the eGFR < 90 group, but not in the eGFR ≥ 90 group. The receiver operative characteristic curve analysis showed that 1,568 cm/sec was the cut-off value of baPWV for predicting CV events in the eGFR < 90 group (area under curve=0.691, p=0.03)

Conclusions: In patients with early stages of CKD, baPWV was independently associated with the decline in renal function and short-term cardiovascular events.

Keywords: arterial stiffness, cardiovascular disease, chronic kidney disease, pulse wave velocity.

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How to cite this article:
Yoon HE, Shin DI, Kim SJ, Koh ES, Hwang HS, Chung S, Shin SJ. Brachial-Ankle Pulse Wave Velocity Predicts Decline in Renal Function and Cardiovascular Events in Early Stages of Chronic Kidney Disease. Int J Med Sci 2013; 10(11):1430-1436. doi:10.7150/ijms.6645. Available from http://www.medsci.org/v10p1430.htm