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Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
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Subpulmonary membrane: A rare cause of right ventricular outflow tract obstruction

Rajat Gupta1, Garima Garg2, Tek Singh Mahant2

  • 1Department of Pediatric Cardiology, Fortis Hospital, Mohali, Punjab, India.

Annals of Pediatric Cardiology
|June 8, 2023
PubMed

Insights

Subpulmonary membrane, a rare cause of right ventricular outflow tract obstruction, is detailed in three pediatric cases. Surgical intervention was successful in two cases, highlighting effective treatment for this uncommon condition.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Congenital Heart Disease

Background:

  • Subpulmonary membrane is an uncommon congenital anomaly causing obstruction of the right ventricular outflow tract (RVOT).
  • Existing literature consists of limited case reports, often associated with ventricular septal defects.

Observation:

  • This report presents three pediatric cases of subpulmonary membrane leading to RVOT obstruction.
  • Two patients underwent surgical resection of the membrane.
  • One patient's initial treatment involved balloon dilatation, which was unsuccessful, necessitating surgery.

Findings:

  • The study details the clinical presentation and management of three patients with subpulmonary membrane.
  • Surgical intervention proved effective in two cases for relieving RVOT obstruction.
  • The third case is currently under observation post-diagnosis.

Implications:

  • This series expands the understanding of subpulmonary membrane as a cause of RVOT obstruction.
  • It underscores the role of surgical management in treating this rare condition.
  • Further research may elucidate optimal timing and techniques for intervention.
Keywords:
Right ventricular outflow tract obstructionsubpulmonary membraneventricular septal defect

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