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Open mitral commissurotomy: a better procedure?

M J Antunes1, J Nascimento, C M Andrade

  • 1University Hospital, Coimbra, Portugal.

The Journal of Heart Valve Disease
|January 1, 1994
PubMed
Summary
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Open mitral commissurotomy can achieve better results than balloon procedures for pliable mitral stenosis valves. This study evaluated 100 patients undergoing open surgery to assess outcomes.

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Interventional Cardiology

Background:

  • Percutaneous balloon commissurotomy (PBC) is an alternative to surgical commissurotomy for mitral stenosis.
  • PBC results, measured by valve area, average 2.0-2.2 cm², with 1.5 cm² often considered good.
  • Concerns exist regarding residual gradients after PBC and their impact on restenosis.

Purpose of the Study:

  • To evaluate the effectiveness of open mitral commissurotomy (OMC) in patients with pliable mitral valves.
  • To compare OMC outcomes with those potentially achievable via balloon commissurotomy.
  • To investigate the long-term implications of residual transvalvular gradients after incomplete commissurotomy.

Main Methods:

  • Prospective study of 100 consecutive patients undergoing OMC.

Related Experiment Videos

  • Patients selected had pliable mitral valves considered suitable for balloon commissurotomy.
  • Surgical procedures included bilateral commissure incision, with additional interventions in select cases.

    • Main Results:

    • OMC was performed on 41.7% of open commissurotomies during the study period.
    • The study included patients with pliable valves, representing 75.7% of surgically treated stenotic mitral valves.
    • Mean patient age was 47.6 years; 87% were female; 54% were in sinus rhythm.

    Conclusions:

    • Open mitral commissurotomy can achieve valve areas closer to normal in pliable valves compared to balloon commissurotomy.
    • Further research is needed to determine the long-term effects of residual gradients post-balloon commissurotomy.
    • OMC remains a viable option for select patients with mitral stenosis, offering potentially superior results.