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Percutaneous balloon mitral valvuloplasty in patients with mitral restenosis after previous surgical commissurotomy.

K W Lau1, Z P Ding, W Gao

  • 1Singapore Heart Centre, Singapore.

European Heart Journal
|September 1, 1996
PubMed

Insights

Balloon mitral valvuloplasty is safe and effective for treating mitral restenosis after surgery. The procedure shows similar immediate and midterm results compared to treating unoperated mitral stenosis.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Surgery

Background:

  • Percutaneous balloon mitral valvuloplasty (PBMV) efficacy is established for unoperated mitral stenosis.
  • Limited data exists on PBMV effectiveness for mitral restenosis post-surgical commissurotomy.

Purpose of the Study:

  • To evaluate immediate and midterm outcomes of PBMV in patients with mitral restenosis after prior surgery.
  • To compare these outcomes with PBMV in patients with unoperated mitral stenosis.

Main Methods:

  • 29 patients with mitral restenosis (group 1) underwent Inoue PBMV.
  • Matched comparison with 29 patients with unoperated mitral stenosis (group 2).
  • Evaluated baseline echocardiographic scores, mitral valve area, and regurgitation severity.

Main Results:

  • PBMV achieved identical improvements in transmitral gradient and mitral valve area (0.8 to 1.6 cm2) in both groups.
  • Similar changes in mitral regurgitation severity were observed.
  • Successful procedures with no major complications; 17% restenosis rate at follow-up, similar between groups.

Conclusions:

  • PBMV is safe and effective for selected patients with mitral restenosis post-commissurotomy.
  • Outcomes are comparable to those in patients with de novo mitral stenosis.
Abstract

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