Korean Journal of Veterinary Research 2010;50(2):155-160.
Comparative study of wound healing in canine stomach with CO2 laser and scalpel incisions
Jae-Yeon Lee1, You-Sun Hwang1, Han-Kyul Kim1, Hyun-Suk Choi1, Seong-Mok Jeong1, Sung-Whan Cho1, Chang-Sik Park2, Myung-Cheol Kim1
1College of Veterinary Medicine, Chungnam National University
2Division of Animal Science & Resources, Research Center for Transgenic Cloned Pigs, Chungnam National University
CO2 레이저와 scalpel을 이용한 위 절개 시 개에서의 창상 치유 평가
이재연1, 황유선1, 김한결1, 최현석1, 정성목1, 조성환1, 박창식2, 김명철1
1충남대학교 수의과대학
2충남대학교 동물자원학부, 형질전환 복제돼지 연구센터
The objective of this study was to compare wound healing in stomach with $CO_{2}$ laser and scalpel incision by measuring the extent of bleeding, the ease of gastric incision, incision time, degree of adhesion and wound healing degree in dogs. Sixteen healthy dogs were used. Two symmetrical incisions were made in ventral aspect of the stomach between the greater and lesser curvatures were made with scalpel and 0.2 mm spot diameter $CO_{2}$ laser (8W, continuous wave) in sixteen dogs. And then each wound was closed with absorbable suture in a two-layer inverting seromuscular pattern. At 3, 7, 14 and 21 days after initial wounding, each wound was taken for histological observation. On surgery, the extent of bleeding, the ease of incision and incision time showed significant differences between the groups. The $CO_{2}$ laser provided better hemostasis (p < 0.05) and smaller postoperative adhesion compared with the scalpel. However, the scalpel produced faster speed of incision and was easier to handle than the $CO_{2}$ laser (p < 0.05). Although there was no considerable difference between the two groups in histological observation, necrosis and calcium deposit tended to be larger in the $CO_{2}$ laser than in the scalpel.
Key Words: $CO_{2}$ laser, dog, gastric incision, wound healing

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