Outcome of hospitalised heart failure in Japan and the United Kingdom stratified by plasma N-terminal pro-B-type natriuretic peptide

Shiraishi, Y. et al. (2018) Outcome of hospitalised heart failure in Japan and the United Kingdom stratified by plasma N-terminal pro-B-type natriuretic peptide. Clinical Research in Cardiology, 107(12), pp. 1103-1110. (doi: 10.1007/s00392-018-1283-6) (PMID:29785543)

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Abstract

Background: Mortality subsequent to a hospitalisation for heart failure is reported to be much lower in Japan than in the United Kingdom (UK). This could reflect differences in disease severity or in management. Accordingly, we directly compared patient backgrounds and outcomes between Japan and UK. Methods: Consecutive patients admitted to academic hospitals in the UK and Japan with heart failure had a common set of variables, including plasma concentrations of N-terminal pro-B-type natriuretic peptide (NT-proBNP), collected during admission. Mortality during hospitalisations, at 90 and 180 days was recorded and stratified by quintile of NT-proBNP. Results: Overall, 935 patients were enrolled; 197 from UK and 738 from Japan. Median (interquartile range) age [UK: 78 (71–88) vs. Japan: 78 (70–84) years; p = 0.947], glomerular filtration rate [UK: 49 (34–68) vs. Japan: 49 (33–65) ml/min/1.73 m2; p = 0.209] and plasma NT-proBNP [UK: 4957 (2278–10,977) vs. Japan: 4155 (1972–9623) ng/l; p = 0.186] were similar, but systolic blood pressure was lower in the UK [118 (105–131) vs. 137 (118–159) mmHg; p < 0.001]. Patients with a higher plasma NT-proBNP had a worse prognosis in both countries; in-hospital and post-discharge mortality rates were higher in the UK even after adjusting for prognostic variables including NT-proBNP. Conclusions: This analysis suggests that either unobserved differences in patient characteristics or differences in care (formal or informal) rather than greater heart failure severity may account for the worse outcome of heart failure in the UK compared to Japan.

Item Type:Articles
Additional Information:This research was supported by a Grant from the Ministry of Education, Culture, Sports, Science, and Technology, Japan (KAK-ENHI no. 21790751) and Butterfield Awards for UK-Japan collaboration in Medicine & Health.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Cleland, Professor John
Authors: Shiraishi, Y., Nagai, T., Kohsaka, S., Goda, A., Nagatomo, Y., Mizuno, A., Kohno, T., Rigby, A., Fukuda, K., Yoshikawa, T., Clark, A. L., and Cleland, J. G.F.
Subjects:R Medicine > R Medicine (General)
College/School:College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > Robertson Centre
Journal Name:Clinical Research in Cardiology
Publisher:Springer
ISSN:1861-0684
ISSN (Online):1861-0692
Published Online:21 May 2018
Copyright Holders:Copyright © 2018 Springer-Verlag GmbH Germany, part of Springer Nature
First Published:First published in Clinical Research in Cardiology 107(12): 1103-1110
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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