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The impact of chylothorax on neonates with repaired congenital diaphragmatic hernia

Shauna M Levy1, Pamela A Lally, Kevin P Lally

  • 1Center for Surgical Trials and Evidence-based Practice, Departments of Pediatric Surgery and Surgery, The University of Texas Medical School At Houston, Houston, TX 77030, USA.

Journal of Pediatric Surgery
|April 16, 2013
PubMed

Insights

Chylothorax is a rare complication after congenital diaphragmatic hernia (CDH) repair in neonates. Key risk factors include patch repair and extracorporeal membrane oxygenation (ECMO), but survival is not significantly impacted.

Area of Science:

  • Neonatal surgery
  • Pediatric thoracic surgery
  • Critical care medicine

Background:

  • Chylothorax is a recognized complication following surgical repair of congenital diaphragmatic hernia (CDH) in newborns.
  • Understanding risk factors and outcomes is crucial for managing this condition.

Purpose of the Study:

  • To evaluate risk factors, treatment strategies, morbidity, and survival rates associated with chylothorax in neonates after CDH repair.
  • Utilize a large international registry for a comprehensive analysis.

Main Methods:

  • Prospective evaluation of neonates with repaired, unilateral CDHs from January 2007 to January 2010.
  • Diagnosis of chylothorax based on pleural fluid examination.
  • Analysis of patient characteristics, CDH severity, treatment, and survival, including the role of extracorporeal membrane oxygenation (ECMO).

Main Results:

  • Chylothorax occurred in 4.6% of 1383 neonates.
  • Patch repair and ECMO were significant risk factors; repair on or after ECMO increased odds of chylothorax.
  • Conservative treatment was successful in 83.1% of cases.
  • Chylothorax was associated with increased oxygen use and longer hospital stays but not decreased survival.

Conclusions:

  • Chylothorax is an uncommon but significant complication of neonatal CDH repair.
  • Increased disease severity, particularly repair on or after ECMO, elevates chylothorax risk.
  • Conservative management is often effective, leading to morbidity but not mortality.
Abstract

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