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Prosthetic valve endocarditis in a multicenter registry of Chinese patients

Hee-Hwa Ho1, Chung-Wah Siu, Kai-Hang Yiu

  • 1Cardiac Medical Unit, Grantham Hospital, Aberdeen, Hong Kong, China. hokai_wah@yahoo.com

Asian Cardiovascular & Thoracic Annals
|October 16, 2010
PubMed

Insights

Prosthetic valve endocarditis (PVE) in Chinese patients has a high mortality rate (28%), with severe heart failure being a key predictor of death. Relapse and late complications affect over 10% of survivors.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Surgical Innovation

Background:

  • Prosthetic valve endocarditis (PVE) poses significant clinical challenges, particularly in Asian populations.
  • Understanding the outcomes of PVE is crucial for optimizing patient management and treatment strategies.

Purpose of the Study:

  • To evaluate the clinical outcomes, including mortality, need for surgery, and relapse rates, of PVE in Chinese patients.
  • To identify predictors of hospital mortality in this specific patient cohort.

Main Methods:

  • Retrospective analysis of 80 consecutive Chinese patients diagnosed with PVE between March 2000 and June 2007.
  • Inclusion criteria: fulfillment of modified Duke criteria for PVE.
  • Endpoints: hospital mortality, valve surgery requirement, and PVE relapse.

Main Results:

  • The study included 80 patients (mean age 56 ± 13 years, predominantly male) with PVE, mostly involving mechanical prostheses (95%) and late-onset PVE (69%).
  • High rates of hospital complications (61%) and overall hospital mortality (28%) were observed.
  • Severe heart failure emerged as the sole independent predictor of hospital death on multivariate analysis.

Conclusions:

  • PVE in Chinese patients is associated with substantial morbidity and mortality.
  • Severe heart failure is a critical factor influencing survival in PVE patients.
  • Long-term follow-up revealed significant rates of late complications and relapse, underscoring the need for vigilant monitoring.

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