Pseudoaneurysm in the mitral-aortic intervalvular fibrosa. A cause of mitral regurgitation

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Updated: Oct 2, 2026

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart
11:50

High-frequency High-resolution Echocardiography: First Evidence on Non-invasive Repeated Measure of Myocardial Strain, Contractility, and Mitral Regurgitation in the Ischemia-reperfused Murine Heart

Published on: July 9, 2010

J S Espinosa-Caliani1, A Montijano, J M Melero

  • 1Cardiology Department, Málaga University Hospital Virgen de la Victoria, Málaga University School of Medicine, Málaga, Spain. sespinosac@meditex.es

European Journal of Cardio-Thoracic Surgery : Official Journal of the European Association for Cardio-Thoracic Surgery
|June 17, 2000
PubMed

Insights

Left ventricular outflow tract pseudoaneurysm, a rare complication after aortic valve replacement, can cause severe mitral regurgitation. Surgical repair successfully corrected this issue, highlighting the importance of prompt diagnosis and intervention.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Medical Imaging

Background:

  • Left ventricular outflow tract pseudoaneurysm is a rare but severe complication following cardiac procedures or trauma.
  • It can arise after aortic valve surgery, endocarditis, or chest injury.
  • Prompt diagnosis and management are crucial due to its potentially catastrophic nature.

Observation:

  • A case is presented of a left ventricular outflow tract pseudoaneurysm developing one month post-aortic valve replacement.
  • This pseudoaneurysm led to systolic compression of the mitral valve.
  • Significant mitral regurgitation was observed as a consequence.

Findings:

  • Diagnosis was confirmed using a combination of transesophageal echocardiography, magnetic resonance imaging, and intraoperative endoscopy.
  • The pseudoaneurysm was successfully surgically repaired.
  • Following surgical repair, the severe mitral regurgitation was completely corrected.

Implications:

  • This case underscores the importance of considering left ventricular outflow tract pseudoaneurysm in patients with new-onset mitral regurgitation after aortic valve surgery.
  • Advanced imaging modalities are vital for accurate diagnosis.
  • Surgical intervention is an effective treatment for pseudoaneurysm-induced mitral regurgitation.

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