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[Assisted circulation to the right ventricle through pulmonary counterpulsation using a biological method]
M O Lacoste1, J Fernandes, A I Christen
1Centro de Pesquisas de Ciências Básicas, Instituto Universal de Ciências Biomédicas, Fundação Favaloro, Buenos Aires.
Arquivos Brasileiros De Cardiologia
|November 1, 1995
Summary
Latissimus dorsi dynamic pulmonaroplasty effectively enhanced cardiac output and pulmonary arterial efficiency in open chest dogs through diastolic counterpulsation.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Thoracic Surgery
Context:
- Investigating novel methods for hemodynamic support.
- Exploring the application of dynamic cardiomyoplasty principles.
- Utilizing skeletal muscle flaps for cardiac assistance.
Purpose:
- To evaluate the hemodynamic impact of latissimus dorsi dynamic pulmonaroplasty.
- To assess the efficacy of this technique in open-chest animal models.
- To determine effects on cardiac output and arterial pressures.
Summary:
- Six dogs underwent diastolic counterpulsation using an electrically stimulated latissimus dorsi muscle flap.
- Measurements included aortic/pulmonary pressures, cardiac output, and cardiac index.
- Significant increases in cardiac output (p < 0.005) and cardiac index (p < 0.05) were observed.
Impact:
- Demonstrates latissimus dorsi dynamic pulmonaroplasty as a viable arterial counterpulsation method.
- Provides evidence for improved cardiac function and pulmonary arterial efficiency.
- Suggests potential for this technique in managing cardiac dysfunction.