Comparative study of wound healing in canine stomach with CO₂ laser and scalpel incisions
2010
Lee, J.Y., Chungnam National University, Daejeon, Republic of Korea | Hwang, Y.S., Chungnam National University, Daejeon, Republic of Korea | Kim, H.K., Chungnam National University, Daejeon, Republic of Korea | Choi, H.S., Chungnam National University, Daejeon, Republic of Korea | Jeong, S.M., Chungnam National University, Daejeon, Republic of Korea | Cho, S.W., Chungnam National University, Daejeon, Republic of Korea | Park, C.S., Chungnam National University, Daejeon, Republic of Korea | Kim, M.C., Chungnam National University, Daejeon, Republic of Korea
The objective of this study was to compare wound healing in stomach with CO₂ 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 CO₂ 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 CO₂ laser provided better hemostasis (p less than 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 CO₂ laser (p less than 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 CO₂ laser than in the scalpel.
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