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Predictors of developing significant mitral regurgitation following percutaneous mitral commissurotomy with inoue

Abdelfatah A Elasfar1, Hatem F Elsokkary

  • 1Cardiology Department, Faculty of Medicine, Tanta University, Egypt.

Cardiology Research and Practice
|August 31, 2011
PubMed

Insights

The total MR-echo score is the best predictor for significant mitral regurgitation after percutaneous mitral commissurotomy using the Inoue balloon technique. A score of 7 or higher indicates a high risk.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Echocardiography

Background:

  • Percutaneous mitral commissurotomy (PMC) is a complex procedure.
  • Mitral regurgitation (MR) is a frequent complication of PMC.
  • Identifying predictors of significant MR (SMR) post-PMC is crucial.

Purpose of the Study:

  • To identify sensitive and applicable predictors of SMR after Inoue balloon technique PMC.
  • To evaluate preprocedural and procedural factors influencing SMR development.

Main Methods:

  • Prospective study of 108 patients with severe mitral stenosis undergoing Inoue balloon PMC.
  • Analysis of preprocedural (clinical, echocardiographic, hemodynamic) and procedural variables.
  • Multivariable logistic regression to determine SMR predictors.

Main Results:

  • SMR incidence was 18.5% (10 patients).
  • Only MV scoring systems differed significantly between SMR and non-SMR groups.
  • The total MR-echo score was the sole independent predictor of SMR (cutoff 7, 97.7% predictive value).

Conclusions:

  • The total MR-echo score is the only independent predictor of SMR post-Inoue PMC.
  • A total MR-echo score of 7 predicts SMR development with high accuracy.

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