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Incidence and Risk Factors of Recoarctation Following Surgical Repair of Aortic Coarctation in Infants: A

Hamid Atiyaq Al Badi1, Hamood Al Kindi2, Khalid Al Alawi3

  • 1Department of Pediatric Cardiology, Ibri Hospital, Muscat, Oman.

Sultan Qaboos University Medical Journal
|April 2, 2026
PubMed

Insights

Infants undergoing aortic coarctation repair face a 23% risk of recoarctation. Low surgical weight and bovine patch use are key risk factors, necessitating individualized surgical planning and close monitoring.

Area of Science:

  • Cardiovascular Surgery
  • Pediatric Cardiology
  • Medical Research

Background:

  • Recoarctation (reCoA) after infant aortic coarctation repair has variable reported incidence and risk factors.
  • Understanding these factors is crucial for improving surgical outcomes in neonates and infants.

Purpose of the Study:

  • To determine the incidence of reCoA in infants following surgical repair.
  • To identify risk factors associated with reCoA and reintervention in this population.

Main Methods:

  • Retrospective cohort study of 113 infants undergoing aortic coarctation repair (Jan 2016-Dec 2022).
  • Data collected included demographics, surgical techniques (e.g., bovine patch augmentation), and echocardiographic measurements.
  • Recoarctation defined by need for reintervention (surgical or catheter-based).

Main Results:

  • The incidence of reCoA was 23%.
  • Infants with reCoA were younger, had lower body weight, and more dysmorphic features.
  • Bovine patch augmentation was associated with higher reCoA rates, while end-to-end anastomosis was more frequent in the non-reCoA group.
  • Smaller transverse aortic arch and aortic isthmus dimensions were noted in the reCoA group.

Conclusions:

  • Low surgical weight and bovine patch use are independent predictors of reCoA in infants.
  • Smaller aortic arch dimensions are significant risk factors.
  • Findings highlight the need for individualized surgical strategies and vigilant postoperative surveillance.
Abstract

Keywords:
Aortic CoarctationFollow-Up StudiesInfantOmanRecurrenceRetrospective StudiesSurgery

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