Korean J Thorac Cardiovasc Surg.  2020 Feb;53(1):1-7. 10.5090/kjtcs.2020.53.1.1.

Surgical Outcomes for Native Valve Endocarditis

Affiliations
  • 1Department of Cardiovascular Surgery, Hallym University Sacred Heart Hospital, Anyang, Korea

Abstract

Background
The aim of this study was to evaluate the short-term and long-term results of surgical treatment for native valve endocarditis (NVE) and to investigate the risk factors associated with mortality.
Methods
Data including patients’ characteristics, operative findings, postoperative results, and survival indices were retrospectively obtained from Hallym University Sacred Heart Hospital.
Results
A total of 29 patients underwent surgery for NVE (affecting the mitral valve in 20 patients and the aortic valve in 9) between 2003 and 2017. During the follow-up period (median, 46.9 months; interquartile range, 19.1–107.0 months), the 5-year survival rate was 77.2%. In logistic regression analysis, body mass index (p=0.031; odds ratio [OR], 0.574; 95% confidence interval [CI], 0.346–0.951), end-stage renal disease (ESRD) (p=0.026; OR, 24.0; 95% CI, 1.459–394.8), and urgent surgery (p=0.010; OR, 34.5; 95% CI, 2.353–505.7) were significantly associated with in-hospital mortality. Based on Cox proportional hazard regression analysis, the statistically significant predictors of long-term outcomes were hypertension, ESRD, and urgent surgery.
Conclusion
Surgical treatment for NVE is associated with considerable mortality. The in-hospital mortality and 5-year survival rates of this study were 13.8% and 77.2%, respectively. Underlying conditions, including hypertension and ESRD, and urgent surgery were independent risk factors for unfavorable outcomes.

Keyword

Endocarditis; Surgery; Outcomes; Heart valve disease; Risk factors
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