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Related Experiment Videos

Dynamic cardiomyoplasty: at the crossroads.

M A Acker1

  • 1Division of Cardiothoracic Surgery, University of Pennsylvania School of Medicine, Philadelphia, USA. macker@mail.med.upenn.edu

The Annals of Thoracic Surgery
|September 4, 1999
PubMed
Summary

Dynamic cardiomyoplasty shows promise for end-stage heart failure, improving patient class and reducing mortality. Further randomized trials are needed to confirm its role in limiting heart failure remodeling.

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Area of Science:

  • Cardiovascular Surgery
  • Heart Failure Treatment

Background:

  • Dynamic cardiomyoplasty is an emerging surgical option for end-stage heart failure.
  • Its efficacy and mechanism of action require further elucidation.
  • This review updates clinical outcomes and explores the mechanism of dynamic cardiomyoplasty.

Purpose of the Study:

  • To review current clinical results and practice of dynamic cardiomyoplasty.
  • To present the likely mechanism of action for dynamic cardiomyoplasty.

Main Methods:

  • A comprehensive literature review was conducted.

Main Results:

  • Over 600 patients have undergone dynamic cardiomyoplasty since 1985.
  • 80-85% of hospital survivors showed improved New York Heart Association class.
  • Operative mortality decreased from 31% to under 3% in Phase III trials.
  • Evidence suggests dynamic cardiomyoplasty reduces myocardial wall stress, mitigating heart failure remodeling.

Conclusions:

  • Dynamic cardiomyoplasty demonstrates potential in limiting heart failure remodeling in animal and some patient studies.
  • Its definitive role in heart failure treatment awaits results from randomized, controlled studies.

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