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Comparative Study
. 2002 Feb;12(1):61-3.
doi: 10.1089/109264202753486957.

Comparison of thermal spread after ureteral ligation with the Laparo-Sonic ultrasonic shears and the Ligasure system

Sharon L Goldstein  1 , Kristi L Harold, Alan Lentzner, Brent D Matthews, Kent W Kercher, Ronald F Sing, Broc Pratt, Edward H Lipford, B Todd Heniford
Affiliations
Comparative Study

Comparison of thermal spread after ureteral ligation with the Laparo-Sonic ultrasonic shears and the Ligasure system

Sharon L Goldstein et al. J Laparoendosc Adv Surg Tech A. 2002 Feb.

Abstract

Background and purpose: The extent of lateral spread of tissue injury is important in the success of a primary anastomosis. We compared the injury produced by the Laparo-sonic Coagulation Shears and the Ligasure system.

Materials and methods: Ureters were harvested from domestic farm pigs and ligated with the Laparo-sonic (N = 13) or Ligasure (N = 9) system. The tissues were then fixed, stained, and examined by two pathologists without knowledge of the type of treatment.

Results: The mean length of thermal damage from the Ligasure was 2.11 mm (range 1.0-4.0 mm) whereas it was 1.92 (range 0.5-4.25 mm) from the Laparo-sonic system. The difference is not statistically significant.

Conclusion: Debridement of as much as 5 mm of each cut end produced by the Laparo-sonic or Ligasure system may be beneficial in reducing stricture and leak.

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