Related Experiment Videos
Cardiac surgery in the low-birth weight neonate. New approaches
G Wernovsky1, S D Rubenstein, T L Spray
1Cardiac Intensive Care Unit, Children's Hospital of Philadelphia, Pennsylvania, USA.
Insights
Low birth weight (LBW) infants with congenital heart defects (CHD) face higher risks, but delaying surgery for weight gain is not beneficial. Weight should not contraindicate surgery for complex CHD.
Area of Science:
- Pediatric Cardiology
- Neonatal Surgery
- Congenital Heart Disease
Background:
- Low birth weight (LBW) infants with congenital heart defects (CHD) present unique challenges.
- Prematurity and organ dysfunction in LBW infants increase postoperative risks compared to normal-sized infants.
Purpose of the Study:
- To evaluate the impact of low birth weight on surgical outcomes for congenital heart defects.
- To determine if delaying surgery for weight gain improves outcomes in LBW infants with CHD.
Main Methods:
- Retrospective analysis of surgical outcomes for LBW infants with CHD.
- Comparison of survival rates and complications between LBW and normal-weight infants undergoing similar cardiac repairs.
Main Results:
- While LBW infants with complex CHD (e.g., interrupted aortic arch, HLHS) have decreased survival compared to larger infants, absolute survival rates remain acceptable.
- Surgical outcomes for LBW infants are not significantly improved by delaying procedures to achieve arbitrary weight targets.
Conclusions:
- Body weight alone should not be a contraindication for surgical intervention in complex CHD.
- Comprehensive investigation into the causes of LBW and collaborative decision-making between medical and surgical teams are crucial for optimal timing and type of intervention.
Abstract:
The LBW infant with congenital heart defects is likely to be at a higher risk for postoperative death and complications than their normal-sized counterparts because of the effects of prematurity and other organ system dysfunction. Current experience, however, does not suggest that waiting to obtain an arbitrary weight before surgery significantly improves outcome. Survival for low-weight infants undergoing complex repairs, such as those for interruption of the aortic arch and HLHS, is decreased compared with larger babies having the same operation at the same institution; however, the absolute survival rates are still quite acceptable. Weight alone should not be considered a contraindication to surgery for complex CHD. A careful investigation for the cause of the LBW must be undertaken (e.g., prematurity, infection, multiple congenital anomalies, and genetic abnormalities) and appropriate therapies initiated. The medical and surgical teams should collaborate to determine the optimal timing and type of surgery, with body weight being only of minor importance.