撕脱皮瓣修剪成真皮下血管网皮瓣后对成活面积影响的研究

EFFECT OF SUBCUTANEOUS TISSUE TRIMMING ON THE SURVIVAL SKIN AREA OF AVULSION SKIN FLAP

目的 研究撕脱皮瓣修剪制成真皮下血管网薄皮瓣后对皮瓣成活面积的影响。方法 采用 3～ 4月龄白色约克夏小猪 7头 ,麻醉后在自行研制的皮肤撕脱伤模型机中复制撕脱伤模型 ,将一侧的撕脱皮瓣制成真皮下血管网薄皮瓣 ,另一侧为撕脱皮瓣 ,原位缝合 ;7天后 ,对两侧皮瓣的成活和坏死面积进行测量和计算分析。结果 修剪制成真皮下血管网薄皮瓣后的成活面积为 (6 0 .90± 15 .2 6 ) % ,而撕脱皮瓣组的成活面积为 (4 0 .41±9.2 3) % ,统计学处理两组有显著差异 (P<0 .0 5 )。结论 皮肤撕脱伤撕脱皮瓣修剪制成真皮下血管网薄皮瓣后增加了成活面积。

Objective To investigate the effect of subcuta neous tissue t rimming on the survival skin area of avulsion skin flap. Methods Degloving inj ury was created in bilateral hind limbs of 7 pigs with avulsion injury machine, 4 cm×10 cm avulsion skin flaps were elevated in degloving areas. Skin flaps in one side were replanted as control without any treatment. Subcutaneous tissue in the skin flaps of another side was partially excised and replanted by trimmed s kin flaps. Survival skin flaps was calculated with computer at 7 days after oper ation. Results In the control group, the survival skin area was (40.41±9.23) %, while in the experimental group, the survival skin area was (60.90± 15.26)% . There was significant difference between the two groups ( P< 0.05). Conclusion Trimming off subcutaneous tissue does improve the survival area of avulsion sk in flap.