PMID: 16524141Mar 10, 2006Paper

Internal thoracic artery to left anterior descending anastomosis performed on the beating heart by endoscopic robot assistance using a new distal connector

Canadian Journal of Surgery. Journal Canadien De Chirurgie
Inderjit S Gill, Hironori Izutani

Abstract

Automated distal connecting devices have been recently introduced to facilitate coronary anastomosis. This could have a large impact on the capacity of robotic systems to perform completely endoscopic off-pump bypass, where the quality of anastomosis and the prolonged operative time for the performance of the anastomosis have until now been cause for concern. Our group tried to determine the feasibility and efficacy of the JoMed distal graft connector using the ZEUS robotic system. Six swine, with a mean weight of 25.8 (standard deviation [SD] 2.2) kg, underwent endoscopic off-pump internal thoracic artery-left anterior descending (ITA-LAD) anastomosis with a special stabilizing system using ZEUS robotic assistance. The anastomosis was performed with the JoMed distal connector. The connector was employed successfully in 4 of 6 cases using a special delivery instrument. Two animals fibrillated within 2 minutes after the application of proximal occluding snares and were excluded from the analysis. The total device deployment time was 2 minutes 4 seconds (SD 50 s) in 4 of 6 survivors, which remained hemodynamically stable and in sinus rhythm until euthanasia. Coronary angiography and transonic flow measurements were used to verify...Continue Reading

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