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Rodney A. White, MD; R. Patrick Abergel, MD; Stanley R. Klein, MD; George Kopchok; Richard M. Dwyer, MD; Jouni Uitto, MD, PhD

Arch Surg. 1986;121(8):905-907.

Abstract
• We investigated the histologic and biochemical effects of carbon dioxide and neodymium (Nd)-YAG laser welding on the healing of venotomies. Ten canine femoral venotomies 2 cm in length were approximated and welded with 10 600-nm wavelength, 1-W power over 20 to 25 s for CO₂ laser, and 1060-nm wavelength, 1-W power over 30 to 40 s for Nd-YAG laser. On removal at one to three weeks, all veins (4/4 welded by CO₂ and 6/6 by Nd-YAG) were patent without hematomas. Histologic and biochemical analyses of the venous tissues demonstrated active healing at the venotomy sites. We conclude that the CO₂ and Nd-YAG lasers can be used successfully to weld venotomies and may provide an alternative to conventional suture techniques for repair of vascular lesions.

(Arch Surg 1986;121:905-907)

Author Affiliations
From the Departments of Surgery (Drs White and Klein and Mr Kopchok) and Medicine (Drs Abergel, Dwyer, and Uitto), Harbor-UCLA Medical Center and UCLA School of Medicine.

Footnotes
Accepted for publication Aug 12, 1985.

Read before the annual meeting of the Southern California Chapter of the American College of Surgeons, Coronado, Calif, Jan 19, 1985.

Reprint requests to Harbor-UCLA Medical Center, Box 304, 1000 W Carson St, Torrance, CA 90509 (Dr White).

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