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28 May 1993 Percutaneous cardioscopy of the cardiac chambers in patients with hypertrophic cardiomyopathy
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Proceedings Volume 1893, Optical Fibers in Medicine VIII; (1993) https://doi.org/10.1117/12.146341
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States
Abstract
Recent advances in fiberoptic technology enables us to observe the cardiac chambers percutaneously in various categories of heart disease. We applied cardioscopy in 4 patients with HCM. Two of them presented excessive or good left ventricular function and no history of congestive heart failure (CHF). The other two patients showed reduced left ventricular function with a history of CHF. Cardioscopy was successfully performed in all patients. In patients with excessive or good left ventricular function, the color of the endocardial surface was light brown mixed with white. The trabeculae were significantly thick and contracted vigorously. In patients with reduced left ventricular function, the color was whiter, and the thickness and contraction of the trabeculae were reduced obviously. Myocardial biopsy revealed that interstitial fibrosis was prominent in the latters. These results indicate that (1) cardioscopy is safe and useful for evaluation of the internal surface of the ventricle in patients with HCM, and (2) cardioscopic characteristics of the ventricle are closely related to histopathological features.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yoshiharu Fujimori M.D., Yasumi Uchida M.D., Fumitaka Nakamura M.D., Takanobu Tomaru M.D., Atsuko Miwa M.D., Junichi Hirose M.D., Michihiko Sasaki M.D., Tomomitsu Oshima, and Hiroyuki Tsubouchi "Percutaneous cardioscopy of the cardiac chambers in patients with hypertrophic cardiomyopathy", Proc. SPIE 1893, Optical Fibers in Medicine VIII, (28 May 1993); https://doi.org/10.1117/12.146341
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