Age, Renal Failure and Transfusion are Risk Predictors of Prolonged Hospital Stay after Coronary Artery Bypass

Diego Pereira Gregório de Andrade1, Fabiane Letícia de Freitas1, Gabrielle Barbosa Borgomoni1

  • 1Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, SP - Brasil.

Insights

Older age, kidney problems, and blood transfusions during surgery predict longer hospital stays after coronary artery bypass grafting (CABG). Identifying these risk factors helps improve patient care and resource use.

Area of Science:

  • Cardiovascular Surgery
  • Health Services Research
  • Clinical Outcomes

Background:

  • Identifying cardiovascular surgery risk factors is crucial for predicting patient outcomes and optimizing resource allocation.
  • Predictability in surgical outcomes can lead to improved patient management and cost-effectiveness.

Purpose of the Study:

  • To identify preoperative and intraoperative risk predictors for prolonged hospitalization after coronary artery bypass grafting (CABG).
  • To analyze risk factors influencing extended hospital stays in CABG patients in São Paulo, Brazil.

Main Methods:

  • Cross-sectional analysis of the REPLICCAR II database (August 2017 - July 2019).
  • Primary outcome: prolonged hospital stay (PHS), defined as >14 days post-surgery.
  • Univariate and multivariate logistic regression analyses were used to identify significant predictors (p <0.05).

Main Results:

  • A total of 3703 CABG patients were analyzed; 6.16% experienced PHS (median 17 days).
  • Independent predictors for PHS included age >60 years (OR 2.05), renal failure (OR 1.73), and intraoperative red blood cell transfusion (OR 1.32).

Conclusions:

  • Age over 60, renal failure, and intraoperative red blood cell transfusion are independent predictors of prolonged hospitalization after CABG.
  • These identified risk factors can inform multiprofessional strategic planning to enhance patient outcomes and resource utilization in São Paulo.
Abstract

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