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Inverted left atrial appendage.

N Kanemitsu1, M Okabe, S Wariishi

  • 1Department of Cardiovascular Surgery, Kochi Municipal Hospital, Japan.

The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyobu Geka Gakkai Zasshi
|October 13, 2000
PubMed
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A rare complication after aortic valve replacement in a young man was an inverted left atrial appendage, initially mistaken for a mass. Careful monitoring and intraoperative transesophageal echocardiography can prevent this issue.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Imaging

Background:

  • Aortic valve replacement (AVR) is a common cardiac surgery.
  • Postoperative complications require vigilant monitoring.
  • Left atrial masses can mimic serious conditions.

Observation:

  • An unexpected left atrial mass was identified in a young male patient post-aortic valve replacement.
  • The mass was detected during routine postoperative echocardiography.
  • Differential diagnoses included thrombus, vegetation, and neoplasm.

Findings:

  • Reoperation revealed the "mass" to be an inverted left atrial appendage.
  • The inversion was attributed to left ventricular venting during surgery.
  • This highlights a rare but significant surgical complication.

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Implications:

  • Inverted left atrial appendage is a potential complication of aortic valve replacement with left ventricular venting.
  • Intraoperative transesophageal echocardiography can aid in early detection.
  • Careful surgical technique and monitoring are crucial to prevent this adverse event.