Risk factors and early outcomes of chylothorax following congenital cardiac surgery: A single-center experience

Emine Hekim Yılmaz1, Oktay Korun2, Murat Çiçek3

  • 1Department of Pediatric Cardiology, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Türkiye.

Insights

Chylothorax affects 7.4% of patients after congenital heart surgery, leading to longer hospital stays and higher infection rates. Younger age, infections, and peritoneal dialysis are key risk factors, but mortality is not significantly increased.

Area of Science:

  • Pediatric Cardiology
  • Thoracic Surgery
  • Critical Care Medicine

Background:

  • Chylothorax is a known complication following congenital cardiac surgery.
  • Understanding its incidence and risk factors is crucial for improving patient outcomes.

Purpose of the Study:

  • To determine the incidence and risk factors of chylothorax in pediatric cardiac surgery patients.
  • To evaluate the impact of chylothorax on early postoperative outcomes.

Main Methods:

  • Retrospective analysis of 1,053 patients undergoing congenital heart disease surgery.
  • Identification of chylothorax cases and comparison with the general cohort.
  • Application of a standardized management protocol for diagnosed chylothorax.

Main Results:

  • Chylothorax occurred in 7.4% of patients (78/1,053).
  • Risk factors included younger age, peritoneal dialysis, preoperative ventilation, surgical complexity, and reoperations.
  • Chylothorax patients experienced longer ventilation times, higher re-intubation and infection rates, and prolonged hospital stays.

Conclusions:

  • Chylothorax significantly increases morbidity, including prolonged hospitalization and infection risk, in pediatric cardiac surgery patients.
  • Early-age complex cardiac pathologies and reoperations are identified as significant risk factors.
  • Standardizing management protocols may improve outcomes despite the lack of a universal therapeutic consensus.
Abstract

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