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  • Title: Laser welding--suitable for vascular anastomosis?
    Author: Schmiedt W, Gruber G, Iversen S, Oelert H.
    Journal: Thorac Cardiovasc Surg; 1994 Dec; 42(6):333-6. PubMed ID: 7534952.
    Abstract:
    Carotid arteries of 21 piglets were transsected and reanastomosed either by laser welding (Neodym:YAG laser) or by conventional suture anastomosis. Histological specimens of the anastomoses obtained 2 to 32 days after the operation showed less foreign body reaction and intimal hyperplasia after laser welding than after suturing. There was, however, no significant difference when comparing occurrence of thrombosis, patency rate, or growth of the anastomosis in growing animals. Neither our study nor a review of the literature of laser-assisted vascular anastomosis in microvessels and large arteries up to 5 mm diameter could establish a definite clinical application for laser welding in vascular anastomosis.
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