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Symptomatic Neonates With Tetralogy of Fallot: Shunt or Primary Repair?
Xin Tao Ye1, Soichiro Henmi2, Edward Buratto1
1Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia; Department of Paediatrics, The University of Melbourne, Melbourne, Vic, Australia; Heart Research Group, Murdoch Children's Research Institute, Melbourne, Vic, Australia.
For symptomatic neonates with tetralogy of Fallot, neither staged repair (SR) nor primary repair (PR) showed a significant difference in medium-term survival. SR reduced neonatal morbidity but increased early re-interventions.
Area of Science:
- Pediatric Cardiology
- Congenital Heart Disease Surgery
- Neonatal Critical Care
Background:
- Management strategies for symptomatic neonates with tetralogy of Fallot (TOF) remain debated.
- Two distinct approaches exist: staged repair (SR) involving initial palliation followed by complete repair, and primary repair (PR).
Purpose of the Study:
- To compare the outcomes of SR versus PR in symptomatic neonates with TOF.
- To evaluate differences in survival, re-interventions, and morbidity between the two surgical strategies.
Main Methods:
- Retrospective comparison of 65 neonates undergoing SR (shunt palliation) and 38 neonates undergoing PR at two specialized centers.
- Follow-up duration was a median of 8.0 years, with propensity score matching applied to a subset of patients.
Main Results:
- No significant difference in hospital mortality or 5-year survival was observed between SR and PR groups.
- SR was associated with shorter cardiopulmonary bypass and ICU stays but more unplanned re-interventions before discharge.
- Primary repair in neonates weighing less than 3 kg was linked to significantly more early re-interventions.
Conclusions:
- Both staged repair and primary repair offer comparable medium-term survival for symptomatic neonates with tetralogy of Fallot.
- Staged repair may decrease neonatal morbidity but requires more re-interventions before discharge.
- Primary repair in very low-weight neonates (<3 kg) may increase the risk of early re-interventions.
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