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Neovascularization by cardiomyoplasty

J M Borrego1, A Ordonez, A Hernandez

  • 1Division of Cardiovascular Surgery and Center for Cardiovascular Research, Hospital Universitario "Virgen del Rocio," Seville, Spain.

Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia
|November 26, 1998
PubMed
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Cardiomyoplasty improves heart function and promotes myocardial revascularization. This surgical technique offers a viable option for ischemic cardiomyopathy when conventional methods fail.

Area of Science:

  • Cardiovascular Surgery
  • Regenerative Medicine

Background:

  • Cardiomyoplasty is an alternative to cardiac transplant for advanced ischemic cardiomyopathy.
  • It is used when pharmacological treatment and conventional revascularization are ineffective.

Purpose of the Study:

  • To detect myocardial neovascularization via the muscle used in cardiomyoplasty.
  • To test the hypothesis that cardiomyoplasty improves mechanical function and blood flow to ischemic myocardium.

Main Methods:

  • Describes cardiomyoplasty technique in an experimental myocardial ischemia model.
  • Utilizes vascular casting with methacrylate injection into coronary and muscle vasculature.
  • Demonstrates connections between coronary and latissimus dorsi muscle flap vasculature in 15 experiments.

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Main Results:

  • Cardiomyoplasty enhances ventricular function.
  • Evidence of myocardial revascularization facilitated by the procedure.

Conclusions:

  • Cardiomyoplasty improves ventricular function and promotes myocardial revascularization.
  • Indicated for ischemic cardiomyopathy patients unsuitable for conventional revascularization.