Unusual interatrial fistula discovered during device closure of an atrial septal defect

Shannon M. Lyon, Mark H. Hoyer

Research output: Contribution to journalArticle

Abstract

Atrial septal defect (ASD) closure is a common reason for referral to the cardiac catheterization laboratory. We report a case in which a relatively large Qp:Qs of 1.85:1 was demonstrated in the face of a small secundum ASD. This led to further investigation, ultimately leading to the discovery of an unusual atrial fistula. Rare cases of interatrial tunnels have been described in the literature, however, this is a unique case of a left atrial appendage to right atrial appendage fistula in the setting of a right juxtaposed left atrial appendage.

Original languageEnglish (US)
JournalCatheterization and Cardiovascular Interventions
DOIs
StateAccepted/In press - Jan 1 2019

Fingerprint

Atrial Appendage
Atrial Heart Septal Defects
Fistula
Equipment and Supplies
Cardiac Catheterization
Referral and Consultation

Keywords

  • ASD closure
  • congenital heart disease
  • interventional devices
  • intracardiac echocardiography
  • pediatrics
  • structural heart disease

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

Cite this

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AB - Atrial septal defect (ASD) closure is a common reason for referral to the cardiac catheterization laboratory. We report a case in which a relatively large Qp:Qs of 1.85:1 was demonstrated in the face of a small secundum ASD. This led to further investigation, ultimately leading to the discovery of an unusual atrial fistula. Rare cases of interatrial tunnels have been described in the literature, however, this is a unique case of a left atrial appendage to right atrial appendage fistula in the setting of a right juxtaposed left atrial appendage.

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