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Microvascular laser welding can be effectively used in large-diameter artery techniques. The carotid arteries of 12 anesthetized mongrel dogs were exposed. Following heparinization, the carotid arteries were transected, cleaned along their edges, and repaired on the right side by laser and on the left side by suture. The laser-assisted vascular anastomosis (LAVA) required four stay sutures and laser power for welding. Six-week patency for LAVA vs suture anastomosis was 100% vs 92%, respectively. Anastomotic time requirements were less with LAVA (seven vs 25 minutes). Intimal healing for both techniques immediately demonstrated an intraluminal thrombus, which resolved showing complete endothelial repair by four weeks. The laser seal demonstrated little inflammation compared with the giant cell reaction of suture anastomosis. Immediate wall tensions of 6 to 18 X 10(5) dynes/cm2 were tolerated after both techniques. Laser-assisted vascular anastomosis of large-diameter arteries is feasible, strong, and associated with minimal inflammation.
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
January 1989,
Lasers in surgery and medicine,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
December 1994,
The Annals of otology, rhinology, and laryngology,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
January 1990,
Lasers in surgery and medicine,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
January 1986,
Lasers in surgery and medicine,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
July 1989,
Journal of surgical oncology,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
January 1990,
Lasers in surgery and medicine,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
January 1997,
Journal of clinical laser medicine & surgery,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
January 1967,
Archives des maladies professionnelles de medecine du travail et de securite sociale,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
November 1986,
Neurosurgery,
E M Ashworth, and
M C Dalsing, and
J F Olson, and
W P Hoagland, and
S Baughman, and
J L Glover
September 1988,
The Journal of thoracic and cardiovascular surgery,
