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[Percutaneous mitral commissurotomy during pregnancy]

B Iung1, B Cormier, J Elias

  • 1Service de cardiologie, hôpital Tenon, Paris.

Archives Des Maladies Du Coeur Et Des Vaisseaux
|July 1, 1993
PubMed
Summary

Percutaneous mitral commissurotomy (PMC) effectively treated severe mitral stenosis in pregnant women, improving heart function and allowing safe delivery. This cardiac intervention minimized fetal risk during pregnancy.

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Area of Science:

  • Cardiology
  • Maternal-Fetal Medicine
  • Interventional Cardiology

Context:

  • Severe mitral stenosis poses significant risks during pregnancy, often contraindicating traditional surgery due to fetal risks.
  • Medical management alone is frequently insufficient for decompensated mitral stenosis in pregnant patients.
  • Percutaneous mitral commissurotomy (PMC) offers a less invasive alternative for managing severe mitral stenosis during gestation.

Purpose:

  • To evaluate the efficacy and safety of percutaneous mitral commissurotomy (PMC) in pregnant women with severe mitral stenosis.
  • To assess the impact of PMC on maternal hemodynamics and functional status.
  • To determine the safety of PMC for the fetus, including radiation exposure and fetal well-being.

Summary:

  • Ten pregnant women with severe mitral stenosis underwent PMC between 23-33 weeks gestation.

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  • The procedure significantly reduced pulmonary artery pressure and increased mitral valve area, with no procedural complications.
  • Fetal monitoring revealed no distress, and radiation exposure was minimal (less than 0.2 mSv).

    • Impact:

    • All patients experienced functional improvement post-PMC, with nine delivering healthy infants at term without cardiac decompensation.
    • PMC provides a safe and effective therapeutic option for severe mitral stenosis in pregnancy, improving maternal and fetal outcomes.
    • This study highlights the successful application of interventional cardiology in managing complex cardiac conditions during pregnancy.