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[Mitral valve prolapse: a severe abnormality?].

J P Bourdarias1

  • 1Service de cardiologie, UER Paris-Ouest, hôpital Ambroise-Paré, Boulogne.

Archives Des Maladies Du Coeur Et Des Vaisseaux
|July 1, 1991
PubMed
Summary
This summary is machine-generated.

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Mitral valve prolapse (MVP) can lead to serious complications like endocarditis and sudden death, especially in those with valve redundancy. These risks highlight that MVP is not always benign.

Area of Science:

  • Cardiology
  • Valvular Heart Disease

Context:

  • Mitral valve prolapse (MVP) is often perceived as benign, partly due to studies including healthy individuals.
  • The general population prevalence of MVP is 4-5%, with a subset experiencing significant valve redundancy.

Purpose:

  • To re-evaluate the potential severity and complications associated with mitral valve prolapse.
  • To quantify the risks of serious adverse events in MVP patients.

Summary:

  • Approximately 20% of MVP patients have redundant valve tissue, increasing complication risk.
  • Annual complication rates include infective endocarditis (0.05%), surgical mitral regurgitation (0.03%), and arrhythmias.
  • Sudden death risk is significantly elevated (50-100x) with mitral regurgitation, and cerebro-retinal ischemia occurs at 0.02% annually.

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Impact:

  • Serious complications affect approximately 1 in 1,000 MVP cases annually.
  • These findings challenge the benign reputation of MVP, emphasizing the need for vigilant monitoring.
  • Understanding these risks is crucial for patient management and public health awareness regarding valvular heart disease.