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Diagnostic evaluation of risk for bleeding in cardiac surgery with extracorporeal circulation

Damaris Vieira Braga1, Marcos Antônio Gomes Brandão1

  • 1Universidade Federal do Rio de Janeiro, Escola de Enfermagem Anna Nery, Rio de Janeiro, RJ, Brazil.

Revista Latino-Americana De Enfermagem
|December 6, 2018
PubMed

Insights

Excessive bleeding after cardiac surgery with extracorporeal circulation is linked to specific risk factors. Identifying these, including low BMI and prolonged circulation time, aids in better patient risk assessment.

Area of Science:

  • Cardiovascular Surgery
  • Hematology
  • Nursing Research

Background:

  • Excessive bleeding is a significant complication in cardiac surgery patients undergoing extracorporeal circulation.
  • Accurate identification of risk factors is crucial for effective patient management and improved outcomes.

Purpose of the Study:

  • To identify key risk factors associated with excessive bleeding in patients undergoing cardiac surgery with extracorporeal circulation.

Main Methods:

  • A case-control study was conducted analyzing medical charts of 216 patients.
  • Data from patients who underwent elective extracorporeal circulation over a three-year period were reviewed.

Main Results:

  • Risk factors identified include: Body Mass Index < 26.35 kg/m² (OR=3.64), extracorporeal circulation > 90 minutes (OR=3.57), hypothermia < 32°C (OR=2.86), metabolic acidosis (OR=3.50), and Activated Partial Thromboplastin Time > 40 seconds (OR=2.55).

Conclusions:

  • Identified variables serve as clinical indicators for the nursing diagnosis 'risk for bleeding'.
  • These findings can refine understanding of extracorporeal circulation-induced coagulopathy and the 'treatment regimen' nursing diagnostic category.
Abstract

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