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Proceedings Paper

Laser assisted internal mammary artery-coronary artery anastomosis: an experimental study
Author(s): Hong-Sheng Zhu; Liang-ping Zhang; Lian Feng
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Paper Abstract

Objective: To observe the time required for anastomosis and the reliability for pressure tolerance after internal mammay artery (IMA)-coronary artery anastomosis. Method: Eight sheep underwent thoracotomy and left IMA harvest. In group I (T) the IMA were anastomosed to left anterior descending artery (LAD) with 7-0 prolene suture (n=4) and in group II (LA) IMA were anastomosed to LAD with laser. Result: The time required for laser technique was shorter than that required in suturing technique [117.5±39.48min (total) and 38.25±6.23 min vs 62.5±37.83 min (total) and 20±6.53 min respectively] (p<0.01). Prior to closing thoracotomy both two groups endured the impact of pharmacologic vasopressor. No leakage at the anastomosed site was observed in both groups. After the closure of thoracotomy, well tolerance for both adrenalin and thoracic negative pressure was observed in the two groups. The peak systolic pressure induced by pharmacologic agent was similar in both groups. Neither stenosis nor thrombus or embolism was observed and immediate patency rate in both groups was 100%. Conclusion: Laser assisted technique seems to be favorable for patency rate and could lead to better result after coronary artery bypass grafting (CABG).

Paper Details

Date Published: 11 September 2006
PDF: 5 pages
Proc. SPIE 5967, 2004 Shanghai International Conference on Laser Medicine and Surgery, 59670I (11 September 2006); doi: 10.1117/12.639185
Show Author Affiliations
Hong-Sheng Zhu, Renji Hospital/Shanghai Second Medical Univ. (China)
Liang-ping Zhang, Renji Hospital/Shanghai Second Medical Univ. (China)
Lian Feng, Renji Hospital/Shanghai Second Medical Univ. (China)

Published in SPIE Proceedings Vol. 5967:
2004 Shanghai International Conference on Laser Medicine and Surgery
Jing Zhu, Editor(s)

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