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Proceedings Paper

Prevention of acute regional ischemia with endocardial laser channels
Author(s): Osvaldo Juniti Yano; Mark R. Bielefeld; Valluvan Jeevanandam; Michael R. Treat; Charles C. Marboe; Henry M. Spotnitz; Craig R. Smith
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Paper Abstract

Management of myocardial ischemia by direct myocardial revascularization with lasers has been attempted in the past. Although this procedure has met with considerable controversy, its original hypothesis was based on the assumption that miniscule laser channels could provide a means by which left ventricular blood could nourish ischemic myocardium. However, although numerous experimental studies have demonstrated a decrease in size, its application in a clinical setting has experienced limited success. In this present study, the issue of regional myocardial contractility was assessed in an acute ischemic canine model. In addition, the H- Yag laser was evaluated for its potential in revascularizing the myocardium and its capability of maintaining regional contractility.

Paper Details

Date Published: 23 June 1993
PDF: 23 pages
Proc. SPIE 1878, Diagnostic and Therapeutic Cardiovascular Interventions III, (23 June 1993); doi: 10.1117/12.146583
Show Author Affiliations
Osvaldo Juniti Yano, Columbia Univ. College of Physicians and Surgeons (United States)
Mark R. Bielefeld, Columbia Univ. College of Physicians and Surgeons (United States)
Valluvan Jeevanandam, Columbia Univ. College of Physicians and Surgeons (United States)
Michael R. Treat, Columbia Univ. College of Physicians and Surgeons (United States)
Charles C. Marboe, Columbia Univ. College of Physicians and Surgeons (United States)
Henry M. Spotnitz, Columbia Univ. College of Physicians and Surgeons (United States)
Craig R. Smith, Columbia Univ. College of Physicians and Surgeons (United States)


Published in SPIE Proceedings Vol. 1878:
Diagnostic and Therapeutic Cardiovascular Interventions III
George S. Abela, Editor(s)

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