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Pulmonary artery sling.

A Pawade1, M R de Leval, M J Elliott

  • 1Hospital for Sick Children, London, England.

The Annals of Thoracic Surgery
|November 1, 1992
PubMed
Summary
This summary is machine-generated.

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Surgical repair of pulmonary artery sling, sometimes with tracheal stenosis, yielded excellent outcomes. Most patients experienced symptom resolution and normal growth, demonstrating the effectiveness of surgical intervention.

Area of Science:

  • Cardiovascular Surgery
  • Pediatric Surgery
  • Thoracic Surgery

Background:

  • Pulmonary artery sling is a rare congenital anomaly where the left pulmonary artery arises anomalously from the right pulmonary artery.
  • Associated tracheobronchial anomalies, such as complete cartilaginous rings (stovepipe trachea), can complicate surgical management.
  • Surgical treatment aims to correct the vascular anomaly and address airway obstruction.

Purpose of the Study:

  • To review the surgical outcomes of patients treated for pulmonary artery sling.
  • To evaluate the efficacy of surgical techniques in isolated pulmonary artery sling and in cases with associated stovepipe trachea.
  • To assess long-term results, including mortality, morbidity, and functional recovery.

Main Methods:

  • Retrospective review of 18 patients who underwent surgical treatment for pulmonary artery sling since 1969.

Related Experiment Videos

  • Surgical approach involved division and reimplantation of the left pulmonary artery for isolated sling.
  • For patients with stovepipe trachea, tracheal resection and reanastomosis were performed with the pulmonary artery repositioning.

    • Main Results:

    • No early deaths occurred; one late death was reported.
    • Pulmonary artery anastomosis remained patent in all investigated patients.
    • The majority of patients achieved symptom-free status with normal growth and chest radiographs; three had residual tracheobronchial issues.

    Conclusions:

    • Surgical correction of pulmonary artery sling is effective, with low mortality and good long-term outcomes.
    • The described surgical techniques provide successful management for both isolated pulmonary artery sling and complex cases involving stovepipe trachea.
    • Early surgical intervention leads to favorable functional recovery and normal development in most pediatric patients.