Percutaneous intracardiac surgery with cardioscopic guidance

Fumitaka Nakamura M.D.; Atsuko Miwa M.D.; Yasumi Uchida M.D.; Koichiro Yamada M.D.; Takanobu Tomaru M.D.; Tsuneaki Sugimoto

doi:10.1117/12.137311

28 August 1992 Percutaneous intracardiac surgery with cardioscopic guidance

Fumitaka Nakamura M.D., Atsuko Miwa M.D., Yasumi Uchida M.D., Koichiro Yamada M.D., Takanobu Tomaru M.D., Tsuneaki Sugimoto

Author Affiliations +

Proceedings Volume 1642, Diagnostic and Therapeutic Cardiovascular Interventions II; (1992) https://doi.org/10.1117/12.137311
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

The feasibility of a novel catheter system of percutaneous transluminal cardiomyotomy and valvulotomy was examined in anesthetized dogs. The system was composed of a guiding balloon catheter, a cardioscope, and a pair of scissors with or without guide wire at the distal tip. The system without guide wire was introduced into the left ventricle, the balloon was inflated and was pushed against the endocardial surface. After confirmation by cardioscopy, the targeted tissues were incised by the scissors. By these maneuvers, the trabeculae, papillary muscles, and chordae were incised or transected in 7, 6, and 6 of 7 dogs, respectively. The system without guide wire was advanced to the aortic root, the guide wire was introduced into the left ventricle to prevent dislocation of the catheter system, the balloon was manipulated against the aortic cusp and the cusp was successfully incised with cardioscopic guidance in all five dogs. The results indicate that percutaneous transluminal cardiomyotomy and valvulotomy can be performed with cardioscopic guidance.

Citation Download Citation

Fumitaka Nakamura M.D., Atsuko Miwa M.D., Yasumi Uchida M.D., Koichiro Yamada M.D., Takanobu Tomaru M.D., and Tsuneaki Sugimoto "Percutaneous intracardiac surgery with cardioscopic guidance", Proc. SPIE 1642, Diagnostic and Therapeutic Cardiovascular Interventions II, (28 August 1992); https://doi.org/10.1117/12.137311

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available