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Related Experiment Videos

Ten-year experience with mitral valve replacement in the elderly.

C K Nair1, W P Biddle, A Kaneshige

  • 1Division of Cardiology, Creighton University School of Medicine, Omaha, NE 63131.

American Heart Journal
|July 11, 1992
PubMed
Summary

Elderly patients undergoing mitral valve replacement face higher risks. This study identified key predictors of mortality in this population, highlighting the need for careful management.

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Area of Science:

  • Cardiovascular Surgery
  • Geriatric Cardiology
  • Cardiac Valve Repair

Background:

  • Limited data exists on mitral valve replacement (MVR) outcomes in elderly patients.
  • This study compares perioperative and long-term mortality in elderly vs. younger patients undergoing MVR.

Purpose of the Study:

  • To identify predictors of perioperative and long-term mortality in elderly patients undergoing MVR.
  • To compare outcomes of MVR in patients aged 70 years and older versus younger patients.

Main Methods:

  • Retrospective analysis of 126 consecutive MVR patients, divided into elderly (>=70 years) and younger groups.
  • Evaluation of clinical, ECG, hemodynamic, and angiographic variables.
  • Multivariate analysis to determine predictors of mortality.

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Main Results:

  • Elderly patients more frequently received bioprostheses and had higher pulmonary artery systolic pressure, fascicular block, and cardiopulmonary bypass time.
  • A trend towards higher perioperative mortality was observed in the elderly group (27% vs. 12%).
  • Long-term cardiac and total mortality rates were significantly higher in elderly patients (42% and 54%) compared to younger patients (24% and 35%).

Conclusions:

  • Elderly patients undergoing MVR exhibit distinct clinical characteristics and face significantly higher perioperative and long-term mortality risks.
  • Predictors of mortality differ between elderly and younger MVR patients.
  • Aortic calcification and prolonged bypass time are critical factors for elderly patient mortality.