Iatrogenic atrial septal defect post mitral valve in valve implantation

Chava Chezar-Azerrad*, Abid Assali, Hanna Vaknin-Assa, Yaron Shapira, Alon Eisen, Ran Kornowski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


A 75 year-old female with symptomatic severe mitral regurgitation of a bio-prosthetic valve secondary to valve leaflet perforation due to endocarditis underwent a mitral valve in valve replacement in an existing Hancock 27 mm valve using a trans-femoral/trans-septal approach. The procedure was complicated by an iatrogenic atrial septal defect post trans-septal puncture causing a severe right-to-left shunt due, possibly, to the combination of severe pulmonary hypertension and moderate tricuspid regurgitation the patient had suffered from at base line. Once the sheath was removed an immediate desaturation was observed which required emergent closure with an AMPLATZER ASD Occluder device (St. Jude Medical/Abbott Structural, St. Paul, Minnesota, MN). This stabilized the patient and returned her blood oxygen levels to normal. The case brings forth a rare but important complication that may occur during trans-septal procedures especially when using large sheaths. It emphasizes the importance of proper echocardiographic and hemodynamic evaluation prior to such procedures in order to be prepared for such complications.

Original languageEnglish
Pages (from-to)82-85
Number of pages4
JournalCardiovascular Revascularization Medicine
Issue number8
StatePublished - Dec 2018


  • Atrial septal closure
  • Iatrogenic atrial septal defect
  • Mitral valve regurgitation
  • Right-to-left shunt
  • Trans-catheter mitral valve in valve implantation
  • Trans-septal approach


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