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Proceedings Paper

Morphological study of the healing process after diode laser-assisted end-to-end microanastomosis: comparison with conventional manual suture
Author(s): Jing Tang; Simone Rouy; Michel Prudhomme M.D.; Guilhem Godlewski M.D.; Francois Chambettaz; Guy P. Delacretaz; Rene-Paul Salathe
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Paper Abstract

A series of carotid end-to-end diode laser assisted microvascular anastomosis (LAMA) versus control ateral conventional suture microanastomosis (CMA) were performed in 120 Wistar rats (in the same animal, LAMA performed in the left side and CMA in the right). The optic and scanning electron microscopic examinations were assessed from day 0 to day 210. The results revealed that on day 0 LAMA gave rise to proteins deneturation and collagens fusion of the media and adventitia in the arterial wall. Re-endothelialization of anastomotic line began at day 3, as well as a large number of inflammatory aggregated in the adventitia. On day 10 the endothelial cells were restored on the anastomotic site and collagenous network developed in the media. On day 90 proliferation and disorientation of the elastic fibers appeared. A part of elastic laminae had been reconstructed on day 210. In the group CMA, the re- endothelialization developed later than LAMA, and the reconstruction of the elastic laminae failed to happen until day 210. These data suggest that the results of long term healing process after diode LAMA is better than that of CMA in normal artery repair.

Paper Details

Date Published: 19 January 1996
PDF: 4 pages
Proc. SPIE 2623, Medical Applications of Lasers III, (19 January 1996); doi: 10.1117/12.230349
Show Author Affiliations
Jing Tang, Univ. Montpellier I (France)
Simone Rouy, Univ. Montpellier I (France)
Michel Prudhomme M.D., Univ. Montpellier I (France)
Guilhem Godlewski M.D., Univ. Montpellier I (France)
Francois Chambettaz, Swiss Federal Institute of Technology (Switzerland)
Guy P. Delacretaz, Swiss Federal Institute of Technology (Switzerland)
Rene-Paul Salathe, Swiss Federal Institute of Technology (Switzerland)

Published in SPIE Proceedings Vol. 2623:
Medical Applications of Lasers III
Stephen G. Bown; Herbert J. Geschwind M.D.; Raimund Hibst; Frederic Laffitte; Giulio Maira; Roberto Pini; Hans-Dieter Reidenbach; Hans H. Scherer M.D.; Pasquale Spinelli, Editor(s)

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