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Related Experiment Videos

[Mitral valve prolapse detected during hemodynamic studies].

J P Dubiel1, T Królikowski, T Brzostek

  • 1I Kliniki Kardiologii Instytutu Kardiologii AM w Krakowie.

Polski Tygodnik Lekarski (Warsaw, Poland : 1960)
|November 5, 1990
PubMed
Summary

Posterior mitral valve leaflet prolapse is uncommon in routine left ventriculography, affecting 5.9% of patients. It was most common in atrial septal defects and myocardial lesions, suggesting left ventricle size plays a role.

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Area of Science:

  • Cardiology
  • Diagnostic Imaging

Background:

  • Posterior mitral valve leaflet prolapse (PMVLp) is a cardiac condition.
  • Routine left ventriculography is a common diagnostic procedure.

Purpose of the Study:

  • To determine the frequency of PMVLp in patients undergoing routine left ventriculography.
  • To investigate potential associations between PMVLp and specific cardiac conditions.

Main Methods:

  • Analysis of 1000 consecutive left ventriculograms (right anterior oblique projection).
  • Patient cohort: 511 women, 489 men; mean age 46.5 years.
  • Exclusion criteria: patients with coronary artery disease.

Main Results:

  • PMVLp was diagnosed in 59 patients (5.9%).

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  • Idiopathic mitral valve prolapse was diagnosed in 10 patients.
  • PMVLp was most frequent in atrial septal defect (16.6%), myocardial lesion (12.5%), and post-mitral commissurotomy (8.9%).

    • Conclusions:

    • PMVLp is not a frequent anomaly in routine left ventriculography.
    • The higher prevalence in atrial septal defect suggests a role for left ventricle size in PMVLp pathogenesis.