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Regional Variation of Mortality in Heart Failure With Reduced and Preserved Ejection Fraction Across Asia: Outcomes in the ASIAN-HF Registry

Asian-F Investigators, MacDonald, M. R., Tay, W. T., Teng, T-H. K., Anand, I., Ling, L. H., Yap, J., Tromp, J., Wander, G. S., Naik, A., Ngarmukos, T., Siswanto, B. B., Hung, C-L., Richards, A. M. & Lam, C. S. P., 7-Jan-2020, In : Journal of the American Heart Association. 9, 1, 15 p., 012199.

Research output: Contribution to journalArticleAcademicpeer-review

  • Asian-F Investigators
  • Michael R. MacDonald
  • Wan Ting Tay
  • Tiew-Hwa Katherine Teng
  • Inder Anand
  • Lieng Hsi Ling
  • Jonathan Yap
  • Jasper Tromp
  • Gurpreet S. Wander
  • Ajay Naik
  • Tachapong Ngarmukos
  • Bambang B. Siswanto
  • Chung-Lieh Hung
  • A. Mark Richards
  • Carolyn S. P. Lam

Background: Data comparing outcomes in heart failure (HF) across Asia are limited. We examined regional variation in mortality among patients with HF enrolled in the ASIAN-HF (Asian Sudden Cardiac Death in Heart Failure) registry with separate analyses for those with reduced ejection fraction (EF; <40%) versus preserved EF (≥50%). Methods and Results: The ASIAN-HF registry is a prospective longitudinal study. Participants with symptomatic HF were recruited from 46 secondary care centers in 3 Asian regions: South Asia (India), Southeast Asia (Thailand, Malaysia, Philippines, Indonesia, Singapore), and Northeast Asia (South Korea, Japan, Taiwan, Hong Kong, China). Overall, 6480 patients aged >18 years with symptomatic HF were recruited (mean age: 61.6±13.3 years; 27% women; 81% with HF and reduced rEF). The primary outcome was 1-year all-cause mortality. Striking regional variations in baseline characteristics and outcomes were observed. Regardless of HF type, Southeast Asians had the highest burden of comorbidities, particularly diabetes mellitus and chronic kidney disease, despite being younger than Northeast Asian participants. One-year, crude, all-cause mortality for the whole population was 9.6%, higher in patients with HF and reduced EF (10.6%) than in those with HF and preserved EF (5.4%). One-year, all-cause mortality was significantly higher in Southeast Asian patients (13.0%), compared with South Asian (7.5%) and Northeast Asian patients (7.4%; P<0.001). Well-known predictors of death accounted for only 44.2% of the variation in risk of mortality. Conclusions: This first multinational prospective study shows that the outcomes in Asian patients with both HF and reduced or preserved EF are poor overall and worst in Southeast Asian patients. Region-specific risk factors and gaps in guideline-directed therapy should be addressed to potentially improve outcomes. Clinical Trial Registration: URL: https://www.clinicaltrials.gov/. Unique identifier: NCT01633398.

Original languageEnglish
Article number012199
Number of pages15
JournalJournal of the American Heart Association
Volume9
Issue number1
Publication statusPublished - 7-Jan-2020

    Keywords

  • epidemiology, heart failure, mortality, SUDDEN CARDIAC DEATH, BURDEN

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