真皮下血管网皮瓣成活机理的实验研究

Experimental study of survival mechanism of skin flapwith subdermal vascular rete

作者以家猪躯干部皮瓣为实验模型，研究了真皮下血管网皮瓣的血供方式及成活机理。采用成活长度、ＥＣＴ测定核素分布范围等方法证实，超长真皮下血管网皮瓣远侧部分得不到来自蒂部的血供，这种皮瓣实际上是真皮下血管网皮瓣与皮片的复合物，超长超宽真皮下血管网皮瓣实际上大部分不是皮瓣而是皮片。超长超宽真皮下血管网皮瓣的成活大部分依赖创面及创周血供，为皮片样成活。

AbstractAIM:To determine theblood supply style andsurvival mechanism of skin flap with subdermal vascu-lar rete。MATERIAL AND METHODS:The skin flap ontrunk of piglets were taken as experimental pattern。The survival length of skin flap was examined and thenuclear element distribution in the skin flap was deter-mined bv ECT. RESULTSANDCONCLUSION:This study de-monstrated that the distal portion of super-long flapwith subdermal vascular rete fail to getting blood sup-ply from its pedicle。This kind of flap is actually acombination of flap and free graft with subdermal vas-cular rete。This kind Of super-long and super-wide flapis actually not a flap but a free skin graft.The survivalof super-long and super-wide flaps withsubdermal vas-cular rete rely on the blood supply from the woundsand their edges partially or completely.Their survivalstyle is actually free grafting。