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Reverse J-Curve Relationship Between On-Treatment Blood Pressure and Mortality in Patients With Heart Failure

Authors
 Sang Eun Lee  ;  Hae-Young Lee  ;  Hyun-Jai Cho  ;  Won-Seok Choe  ;  Hokon Kim  ;  Jin-Oh Choi  ;  Eun-Seok Jeon  ;  Min-Seok Kim  ;  Kyung-Kuk Hwang  ;  Shung Chull Chae  ;  Sang Hong Baek  ;  Seok-Min Kang  ;  Dong-Ju Choi  ;  Byung-Su Yoo  ;  Kye Hun Kim  ;  Myeong-Chan Cho  ;  Jae-Joong Kim  ;  Byung-Hee Oh 
Citation
 JACC. Heart failure, Vol.5(11) : 810-819, 2017 
Journal Title
 JACC. Heart failure 
Issue Date
2017
Keywords
J-curve ; blood pressure ; heart failure ; heart failure with preserved ejection fraction ; heart failure with reduced ejection fraction ; mortality
Abstract
OBJECTIVES: This study aimed to assess the relationship between on-treatment blood pressure (BP) and clinical outcomes of patients with heart failure (HF). BACKGROUND: Lower BP has been reported to be related to increased mortality in various cardiovascular diseases. The optimal BP level for patients already experiencing HF is contentious. METHODS: The Korean Acute Heart Failure registry prospectively enrolled a total of 5,625 consecutive patients hospitalized for acute HF in 10 tertiary university hospitals in Korea between March 2011 and February 2014. Clinical profiles including BP were collected at admission, discharge, and during outpatient follow-up. Mean on-treatment BP was calculated from BP at discharge and at each follow-up visit. We evaluated the effects of mean on-treatment BP on the clinical outcomes of patients. RESULTS: Patients were followed up for a median 2.2 years. One-year mortality after discharge was 18.2%. The relationship between on-treatment BP and all-cause mortality followed a reversed J-curve relationship. A nonlinear, multivariable Cox proportional hazard model identified a nadir of systolic and diastolic BPs of 132.4/74.2 mm Hg in patients, for whom the mortality rate was lowest (p < 0.0001). The relationship with increased mortality above and below the reference BP was more definitive for diastolic BP and for HF with a preserved ejection fraction. CONCLUSIONS: Systolic and diastolic BPs <130/70 mm Hg at discharge and during follow-up was associated with worse survival in HF patients. These data suggest that the lowest BP possible might not be an optimal target for HF patients. Further studies should establish a proper BP goal in HF patients. (Registry [Prospective Cohort] for Heart Failure in Korea [KorAHF]; NCT01389843).
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/161500
DOI
10.1016/j.jchf.2017.08.015
Appears in Collections:
1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
Yonsei Authors
강석민(Kang, Seok Min)
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Full Text
https://www.sciencedirect.com/science/article/pii/S2213177917305644
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