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A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
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[Prognosis of periprosthetic regurgitation after mitral valve replacement using the Saint Jude prosthesis]

A Mahdhaoui1, M A Majdoub, H Bouraoui

  • 1Service de cardiologie, CHU Farhat-Hached, 4000 Sousse, Tunisie. abdallah.mahdhaoui@famso.rnu.tn

Annales De Cardiologie Et D'Angeiologie
|June 30, 2004
PubMed
Abstract

Insights

Mild periprosthetic regurgitation (PPR) after mitral valve replacement (MVR) is common and typically benign. This early postoperative complication, often detected by transesophageal echocardiography (TEE), usually resolves or remains clinically insignificant without specific treatment.

Area of Science:

  • Cardiovascular Surgery
  • Echocardiography
  • Prosthetic Valve Complications

Background:

  • Periprosthetic regurgitation (PPR) is a recognized complication following mitral valve replacement (MVR).
  • The management of mild and moderate PPR after MVR is not well-defined.
  • Early identification and characterization of PPR are crucial for patient outcomes.

Purpose of the Study:

  • To investigate the incidence, predictors, and natural history of PPR after MVR using St. Jude Medical (SJM) prostheses.
  • To evaluate the role of omniplane transesophageal echocardiography (TEE) in detecting early postoperative PPR.
  • To determine the clinical significance of mild and moderate PPR.

Main Methods:

  • Prospective study involving 56 patients undergoing MVR with SJM prostheses.
  • Early postoperative transesophageal echocardiography (TEE) was performed on average 14.7 days after surgery.
  • Analysis included incidence, jet characteristics, severity grading, and follow-up assessments at 6 weeks and 12.5 months.

Main Results:

  • The incidence of PPR was 59%, with most cases being minor (63%) or moderate (27%).
  • A prosthesis diameter/suture knot ratio greater than 1.7 was a significant predictor of PPR (OR=9, P=0.036).
  • PPR persisted in 90% at 6 weeks and 29% at 12.5 months, with no associated hemolytic anemia or heart failure.

Conclusions:

  • Mild and minor PPR are frequent early after MVR.
  • The clinical significance and natural history of these PPR cases appear benign.
  • No specific treatment is typically required for mild or minor PPR detected early post-MVR.

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