0346: Neonatal arterial switch operation: the sooner the better!
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文摘
To evaluate the impact of preoperative management on in-hospital post-operative outcomes after an arterial switch operation (ASO) in newborns with transposition of the great arteries (TGA)

Methods

In this retrospective monocentric study, we included all newborns with TGA±ventricular septal defect who underwent an ASO between 2008 and 2014. Collected data included demographics, clinical and anatomic characteristics, and preoperative management (Rashkind, prostaglandin infusion, mechanical ventilation, age at surgery). Univariate and multivariate analyses were performed to study the impact of preoperative characteristics on time to extubation, a surrogate marker of postoperative morbidity.

Results

Among the 59 included newborns, 47 (79%) had an antenatal diagnosis, 31 (52%) received prostaglandins (median duration: 96 h; range 0-192h), and 38 (65%) underwent a Rashkind procedure. Mean age at surgery was 5±2 days. The mortality rate was 5% (n=3). Younger age at surgery significantly increased the probability to be extubated within 2 days after surgery, both in univariate analysis (Odd ratio 0.64; confidence interval 0.44-0.92) (p=0.01) and after adjustment for preoperative characteristics and management (OR 0.61; CI 0.39-0.95) (p=0.03). The presence of coronary anomalies tended to increase time to extubation, whereas Rashkind procedure and prostaglandin treatment had no impact.

Conclusion

Our study shows that younger age at surgery is associated with lower postoperative morbidity in newborns undergoing an ASO. These findings suggest that early surgery is preferable to delay with palliative management such as Rashkind and/or Prostaglandins.

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