Patient-level comparison of heart failure patients in clinical phenotype and prognosis from China and Sweden
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Published:2022-03-08
Issue:1
Volume:22
Page:
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ISSN:1471-2261
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Container-title:BMC Cardiovascular Disorders
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language:en
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Short-container-title:BMC Cardiovasc Disord
Author:
Feng Yizhou,Chen Xiaojing,Schaufelberger Maria,Zhang Qing,Fu Michael
Abstract
AbstractBackgroundClinical phenotype and prognosis of heart failure (HF) may be variable among different racial populations. Therefore, a patient-level comparison of hospitalized HF patients in two university hospitals from China and Sweden was performed.Methods and resultsThis study was a pooled data analysis of the patients prospectively enrolled in two single-center studies in China (n = 949) and Sweden (n = 1639) from 2011 to 2015. Clinical characteristics and 6-month all-cause mortality were collected. Higher systolic blood pressure (126.1 ± 20.3 vs. 114.2 ± 15.4 mmHg, p < 0.001) and NT-proBNP level (4540 vs. 3251 pg/mL, p = 0.013) were found in the Swedish cohort, also more patients with ischemic heart disease (32.0% vs. 19.2%), hypertension (64.2% vs. 36.8%), valvular heart disease (40.9% vs.31.6%) and atrial fibrillation (55.3% vs. 39.6%) (all p < 0.001). The use of ACEIs/ARBs (48.8% vs. 80.8%) or beta-blockers (58.8% vs. 86.5%) (both p < 0.001) was lower in Chinese cohort. Given younger age in Chinese cohort (61.6 vs. 76.4 years, p < 0.001), age-stratified analyses were conducted, as there were similar patient numbers in 50–74 years in Chinese (n = 550) and Swedish (n = 554) cohorts, therefore baseline characteristics and prognosis were further compared. The age- and sex-adjusted outcome (HR 0.80 [95% CI 0.55–1.19], p = 0.273) was comparable between the two populations. The NT-proBNP and eGFR independently predicted 6-month mortality in both Chinese (HR [95% CI] 1.006 [1.003–1.008], 0.986 [0.976–0.999]) and Swedish cohort (1.003 [1.000–1.007], 0.988 [0.976–0.999]).ConclusionsPatient-level comparison of real-world HF populations from China and Sweden demonstrated different clinical phenotypes and therapy but similar prognosis and their predictors.
Funder
the Science and Technology Project of Sichuan Province
Publisher
Springer Science and Business Media LLC
Subject
Cardiology and Cardiovascular Medicine
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