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Prolonged intensive care unit stay in cardiac surgery: risk factors and long-term-survival

Ortrud Vargas Hein1, Jürgen Birnbaum, Klaus Wernecke

  • 1Department of Anesthesiology and Intensive Care Medicine, Campus Charité Mitte, Charite-University Medicine Berlin, Berlin, Germany. ortrud.vargas@charite.de

The Annals of Thoracic Surgery
|February 21, 2006
PubMed

Insights

Identifying risk factors for prolonged intensive care unit (ICU) stay in cardiac surgery patients is crucial. Longer ICU stays correlate with lower long-term survival, emphasizing the need for proactive management.

Area of Science:

  • Cardiovascular Surgery
  • Intensive Care Medicine
  • Outcomes Research

Background:

  • Limited research exists on risk factors for prolonged intensive care unit (ICU) stay in cardiac surgery patients, with conflicting findings.
  • Cardiac surgery patient populations are increasingly complex, necessitating better risk identification for prolonged ICU courses.

Purpose of the Study:

  • To identify preoperative, intraoperative, and postoperative risk factors associated with ICU stays exceeding 3 days in cardiac surgery patients.
  • To evaluate the impact of prolonged ICU stay on long-term survival in this patient cohort.

Main Methods:

  • Retrospective analysis of 2,683 cardiac surgery patient records.
  • Univariate and multivariate analyses were conducted to determine risk factors for extended ICU stay.
  • A 3-year follow-up study was performed on 2,563 patients to assess long-term survival.

Main Results:

  • Mortality was linked to renal, respiratory, and heart failure, advanced age, elevated APACHE II scores, and reexploration.
  • Patients with prolonged ICU stays exhibited significantly lower long-term survival rates.
  • However, 6-month to 3-year survival rates were comparable between prolonged and non-prolonged ICU stay groups.

Conclusions:

  • Identifying patients at risk for prolonged ICU stays is vital due to increasing cardiac surgery patient acuity.
  • Implementing measures to optimize organ function throughout the hospital stay is critical for improving survival and resource utilization.
Abstract

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