Predictors of low cardiac output syndrome after isolated aortic valve surgery.

  • Maganti M
  • Badiwala M
  • Sheikh A
 et al. 
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BACKGROUND: Low cardiac output syndrome (LCOS), defined as the need for postoperative intraaortic balloon pump or inotropic support for >30 minutes in the intensive care unit, remains a relatively common complication of aortic valve (AV) surgery. The aim of this study is to identify the preoperative predictors of LCOS in patients undergoing isolated AV surgery. METHODS AND RESULTS: We conducted a retrospective review of data prospectively entered into an institutional database. Between 1990 and 2003, 2255 patients underwent isolated AV surgery with no other concomitant cardiac surgery. The independent predictors of LCOS and operative mortality (OM) were determined by stepwise logistic regression analysis. The overall prevalence of LCOS was 3.9%. The independent predictors of LCOS were (odds ratio in parentheses) renal failure (5.0), earlier year of operation (4.4), left ventricular ejection fraction

Author-supplied keywords

  • aged
  • cardiac output
  • cardiac surgical procedures
  • cardiac surgical procedures adverse effects
  • cardiac surgical procedures mortality
  • chi square distribution
  • female
  • heart valve diseases
  • heart valve diseases mortality
  • heart valve diseases surgery
  • humans
  • logistic models
  • low
  • low etiology
  • low mortality
  • low prevention & control
  • male
  • middle aged
  • mitral valve
  • mitral valve surgery
  • odds ratio
  • ontario
  • prevalence
  • retrospective studies
  • risk assessment
  • risk factors
  • time factors
  • treatment outcome

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  • PMID: 16159861


  • Manjula Maganti

  • Mitesh Badiwala

  • Amir Sheikh

  • Hugh Scully

  • Christopher Feindel

  • Tirone E David

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