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[Mitral commissurotomy during pregnancy].

A Bennis1, M Bennani, N Elhaitem

  • 1Service de cardiologie, CHU Ibn Rochd, Casablanca, Maroc. ahmed_bennis@hotmail.com

Archives Des Maladies Du Coeur Et Des Vaisseaux
|November 23, 2007
PubMed
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Percutaneous mitral commissurotomy (PMC) effectively treats mitral stenosis in pregnant women, preventing decompensation and improving outcomes. This procedure offers significant clinical and hemodynamic benefits, ensuring successful pregnancy progression.

Area of Science:

  • Cardiology
  • Obstetrics
  • Pulmonary Hypertension

Context:

  • Pregnancy induces physiological hemodynamic changes, increasing the risk of mitral stenosis (MS) decompensation.
  • Increased blood volume, tachycardia, and impaired left ventricular filling in pregnant women with MS cause pulmonary hypertension.
  • This hemodynamic stress can precipitate acute pulmonary edema, cardiogenic shock, and high maternal/fetal mortality.

Purpose:

  • To evaluate the efficacy and safety of percutaneous mitral commissurotomy (PMC) during pregnancy for managing mitral stenosis.
  • To assess the impact of PMC on maternal and fetal outcomes in patients with severe MS.

Summary:

  • Seventy pregnant patients with mitral stenosis underwent PMC during the third trimester.
  • The procedure was successful in 69 patients, with significant improvement in NYHA class and no residual mitral surface <1.5 cm2.

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  • All patients experienced clinical and hemodynamic improvement, allowing for successful pregnancy continuation.

    • Impact:

    • PMC provides a safe and effective therapeutic option for pregnant women with mitral stenosis, significantly reducing mortality risk.
    • The intervention leads to substantial clinical improvement, enabling the continuation of pregnancy to term in most cases.
    • This study highlights the benefits of PMC in managing a high-risk obstetric and cardiac condition.