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[Multifactor analysis of postoperative mechanical ventilation supporting time in infants with congenital heart
Jin-Lan Chen1, Yi-Feng Yang, Jian-Guo Hu
1Department of Thoracic and Cardiovascular Surgery, Second Xiangya Hospital, Central South University, Changsha, China.
Insights
Factors like severe pulmonary hyperpressure and preoperational infection prolong mechanical ventilation in infants with congenital heart disease. Membrane oxygenators and modified ultrafiltration can shorten this time.
Area of Science:
- Pediatric Cardiology
- Thoracic Surgery
- Critical Care Medicine
Context:
- Infants undergoing surgery for simple congenital heart diseases often require prolonged mechanical ventilation.
- Optimizing ventilation duration is crucial for improving surgical outcomes in this vulnerable population.
Purpose:
- To identify key factors influencing postoperative mechanical ventilation duration in infants under 10 kg with simple congenital heart diseases.
- To provide insights for timely extubation and enhanced surgical treatment outcomes.
Summary:
- Retrospective analysis of 231 infants (<10 kg) with atrial septal defect, ventricular septal defect, or patent ductus arteriosus.
- Multivariate logistic regression identified severe pulmonary hypertension, aortic cross-clamp time, cardiopulmonary bypass duration, preoperative infection, membrane oxygenator use, modified ultrafiltration, weight, and postoperative complications as significant factors.
- Severe pulmonary hypertension, preoperative infection, longer aortic cross-clamp and cardiopulmonary bypass times, and postoperative complications were associated with prolonged ventilation. Membrane oxygenator, modified ultrafiltration, and higher weight were linked to shorter ventilation times.
Impact:
- Findings can guide clinical decisions to reduce mechanical ventilation duration, potentially lowering complication rates and improving recovery.
- Highlights the importance of intraoperative techniques and patient-specific factors in managing ventilation post-congenital heart surgery.
- Aims to optimize patient outcomes by facilitating earlier extubation and reducing the risks associated with prolonged mechanical support.
Objective:
To analyze the multiple factors affecting the postoperative mechanical ventilation supporting time in infants less than 10 kg with simple congenital heart diseases and to seize time by the forelock of extube and improve the outcome of surgical treatment.
Methods:
Data of 231 infants less than 10 kg with atrial septal defect(ASD),ventricular septal defect, and combining patent ductus arteriosus were retrospectively analyzed. The multivaricate stepwise logistic regression statistics were done for the predisposing factors affecting the ventilative supporting time.
Results:
The ventilative supporting time was 3~375 (average 23.5 h) h. The multivaricate stepwise logistic regression analysis indicated that severe pulmonary hyperpressure, cross-cramp aortic time, cardiopulmonary bypass time, preoperational pulmonary infection, membrane oxygenator, modified ultrafiltration, weight, and postoperative complications were significantly correlated to the ventilative supporting time.
Conclusion:
Severe pulmonary hyperpressure, preoperational pulmonary infection, long cross-cramp aortic time, long cardiopulmonary bypass time, postoperative complications all prolong the ventilation supporting time; the use of membrane oxygenator and modified ultrafiltration during the operation and big weight can diminish the pulmonary complications and shorten the ventilation supporting time.
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