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Cardiac surgery for premature and low birth weight neonates
1Division of Cardiothoracic Surgery, The University of California San Francisco, 94143-0118, USA.
Insights
Complete surgical repair of congenital heart defects in low birth weight infants is safe and effective. This approach offers improved survival rates compared to delayed repair, even for complex cardiac conditions.
Area of Science:
- Pediatric Cardiology
- Neonatal Surgery
- Congenital Heart Disease
Background:
- Congenital heart defects (CHDs) in low birth weight (LBW) infants traditionally receive delayed surgical repair.
- This delayed approach is associated with significant morbidity and mortality.
- Early complete repair offers a potential alternative management strategy.
Purpose of the Study:
- To evaluate the safety and efficacy of early complete surgical repair for CHDs in LBW infants.
- To compare outcomes of early repair versus delayed management.
Main Methods:
- Retrospective review of 116 LBW infants (<2,500 g) undergoing complete cardiac defect repair.
- Surgical repair utilized cardiopulmonary bypass; circulatory arrest was avoided in most cases.
- Data collected on survival, reintervention, and impact of noncardiac comorbidities.
Main Results:
- Actuarial survival was 80% at 1 year post-repair.
- Reintervention rates were comparable to those in other neonates.
- Noncardiac abnormalities were significant contributors to perioperative and late morbidity/mortality.
Conclusions:
- Early complete surgical repair of simple and complex CHDs is feasible and safe in LBW infants.
- This strategy can be performed effectively, challenging traditional management paradigms.
- Careful consideration of noncardiac comorbidities is crucial for optimal outcomes.
Abstract:
Congenital heart defects in low birth weight infants are typically managed with supportive therapy or palliative surgery and definitive repair is delayed. However, the morbidity of this approach has been shown to be high. At the University of California San Francisco, our approach to these infants has been one of complete repair in the neonatal period or as early as possible. Since 1992, 116 neonates and infants under 2,500 g underwent complete repair of simple and complex cardiac defects using cardiopulmonary bypass and circulatory arrest was avoided in the majority. Actuarial survival was 80% at 1 year. Noncardiac abnormalities contribute significantly to perioperative and late morbidity and mortality. Reintervention rates are comparable to other neonates. Our data suggests that complete repair of simple and complex congenital heart defects can be performed safely and effectively in premature and low birth weight infants.