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Related Experiment Video

Updated: Sep 13, 2025

Author Spotlight: Simulating Pediatric Cardiac Surgery Using a Neonatal Piglet Model
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Clinical and Risk Analytics Associations With Extubation Failure in Children Following Congenital Cardiac Surgery: A

Daniel L Hames1,2, Qalab Abbas3, Ahmed Asfari4

  • 1Division of Cardiovascular Critical Care, Department of Cardiology, Boston Children's Hospital, Boston, MA.

Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies
|July 30, 2025
PubMed
Summary

Risk analytics indices, including inadequate oxygen delivery and ventilation, alongside clinical factors, can help identify children at high risk for extubation failure after cardiac surgery. This aids in better patient management and outcomes.

Keywords:
cardiac surgerycongenital heart diseaseextubation failurepostoperative carerisk analytics

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Area of Science:

  • Pediatric Critical Care Medicine
  • Cardiovascular Surgery Outcomes
  • Mechanical Ventilation Management

Background:

  • Extubation failure (EF) is a significant concern in children post-cardiac surgery requiring mechanical ventilation (MV).
  • Identifying high-risk patients is crucial for optimizing care and preventing adverse events.
  • Clinical factors alone may not fully capture the risk of EF.

Purpose of the Study:

  • To investigate the association of two physiologic risk analytics indices, probability of inadequate oxygen delivery (ID o2) and inadequate ventilation of carbon dioxide index (IV co2), with EF in pediatric cardiac surgery patients.
  • To evaluate clinical factors independently associated with EF in this population.

Main Methods:

  • Multicenter retrospective cohort study involving eight international pediatric cardiac intensive care units.
  • Analysis of 922 children (1 month to 12 years) receiving MV >48 hours post-cardiac surgery.
  • Utilized multivariable analysis to assess the impact of clinical variables and risk analytics indices (ID o2, IV co2) on EF.

Main Results:

  • Extubation failure occurred in 8.6% of patients (n=79).
  • Preoperative MV, inhaled nitric oxide (iNO) at extubation, and duration of postoperative MV were independently associated with EF.
  • Patients with ID o2 ≥5 or IV co2 ≥50 before extubation had significantly higher odds of EF.

Conclusions:

  • The integration of risk analytics algorithms (ID o2, IV co2) with clinical factors improves the assessment of EF risk in children post-cardiac surgery.
  • These indices provide valuable insights beyond traditional clinical assessments.
  • This approach can aid clinicians in proactive risk stratification and management strategies.