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Left Atrial Stenosis Induced Pulmonary Venous Arterialization and Group 2 Pulmonary Hypertension in Rat
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Bronchial compression as adverse effect of left pulmonary artery stenting in a patient with hypoplastic left heart

T Moszura1, A Mazurek-Kula, P Dryzek

  • 1Department of Cardiology, Polish Mother's Memorial Hospital, Research Institute, 93-338 Lodz, Rzgowska 281/289, Poland. tmoszura@wp.pl

Pediatric Cardiology
|November 26, 2009
PubMed

Insights

A child with hypoplastic left heart syndrome experienced airway compression after a pulmonary artery stent. Balloon plasty of the left bronchus relieved the stenosis, offering a safe treatment for tracheobronchial obstruction.

Area of Science:

  • Pediatric Cardiology
  • Thoracic Surgery
  • Interventional Pulmonology

Background:

  • Hypoplastic left heart syndrome (HLHS) often requires complex surgical interventions, including Glenn shunt placement.
  • Pulmonary artery stenosis can complicate the postoperative course of congenital heart defect (CHD) repair.
  • Vascular stenting is a therapeutic option for managing stenosis in pediatric patients.

Observation:

  • A 5-year-old child with HLHS developed left pulmonary artery stenosis post-Glenn shunt.
  • Following stent implantation and redilatation, the child presented with respiratory distress, including wheezing, fatigue, and desaturation.
  • Imaging and bronchoscopy revealed critical left main bronchus compression due to the dilated stent's mass effect.

Findings:

  • Stent-induced tracheobronchial compression is a potential complication of vascular stenting in pediatric CHD.
  • Computed tomography, bronchoscopy, and bronchography confirmed the diagnosis of bronchial stenosis.
  • Balloon plasty of the left bronchus effectively relieved the bronchial stenosis.

Implications:

  • This case highlights a rare but serious adverse effect of vascular stenting in children with congenital heart disease.
  • Balloon plasty emerged as a safe and effective therapeutic strategy for managing stent-induced tracheobronchial obstruction.
  • Awareness of this complication is crucial for timely diagnosis and management in pediatric cardiovascular surgery.

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