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Prolonged Mechanical Ventilation Following Coronary Artery Bypass Graft in Santiago De Cali, Colombia

Jorge Enrique Daza-Arana1, Heiler Lozada-Ramos2,3, Daniel Felipe Ávila-Hernández1

  • 1Physiotherapy Program, Universidad Santiago de Cali, Cali, Colombia.

Vascular Health and Risk Management
|October 7, 2022
PubMed

Insights

Factors like COPD, kidney disease, and intra-aortic balloon pump use increase the risk of prolonged mechanical ventilation after coronary artery bypass graft surgery. Delirium is also identified as a new risk factor.

Area of Science:

  • Cardiology
  • Pulmonology
  • Nephrology
  • Critical Care Medicine

Background:

  • Prolonged mechanical ventilation (PMV) following coronary artery bypass graft (CABG) surgery is associated with increased morbidity and mortality.
  • Identifying factors predictive of PMV is crucial for optimizing patient outcomes and resource allocation in cardiac surgery settings.

Purpose of the Study:

  • To identify and describe factors associated with prolonged ventilatory support in patients undergoing isolated coronary artery bypass graft surgery.
  • To analyze these factors across presurgical, transurgical, and postsurgical periods.

Main Methods:

  • An analytical retrospective case-control study was conducted.
  • Cases were defined as patients requiring mechanical ventilation for over 48 hours post-CABG.
  • Controls were patients who did not require prolonged ventilation; data from 204 cases and 408 controls were analyzed.

Main Results:

  • Presurgical factors associated with PMV include chronic obstructive pulmonary disease (COPD) and chronic kidney disease (CKD).
  • Transurgical factors included the use of an intra-aortic balloon pump (IABP).
  • Postsurgical factors identified were low venous oxygen saturation, mediastinitis, inotrope use, pleural effusion requiring drainage, and delirium.

Conclusions:

  • This study highlights multiple risk factors for prolonged mechanical ventilation in CABG patients.
  • Delirium is identified as a novel and significant factor associated with prolonged ventilatory support in this population.
  • These findings can inform clinical practice for risk stratification and management strategies to reduce PMV duration.
Abstract

Keywords:
cardiac surgerycoronary bypassepidemiologyprolonged ventilatory supportrisk factor

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