Its Survival Rate Of Expansion After The Flap Suture Tension

[Objective] After the flap suture expansion studies of the effects of tension on the survival, in order to provide a theoretical basis for clinical application.[Methods] 45 rabbits ordinary class, at 2.5 persons weight 0.1Kg, male and female open. Jiamusi University by providing laboratory and animal husbandry. Separately to the pre-operative stability of the experimental rabbits were injected (5mg/kg body weight), atropine (0.04mg/kg body weight), 2.5g / L sodium amobarbital (25mg/Kg), so that general anesthesia in status. Skin preparation:Cut short by the Organization within the framework of isolated rabbit hair, soapy water wetting rabbit, with a razor residues of rabbit curettage. At the back, The left side about 2cm from the spine, the former from the ears of about 3cm imposed after the front-end design for the pedicled flap, the size of 5x15cm2, eyebrow tattoos with design of line marking machine pattern stabbed, according to the size of the maintenance of tension flap, pull the framework design.Will take the side of rabbit supine, extended neck, breathing in order to maintain smooth operation with iodophor disinfection area, a total of three times, sterile cloth shop alone. Nice skin by the pre-designed location, will be pre-selected 150ml cylindrical expander implants. The other side to change the position, the re-sterilized single-Shop, and placed the same way. Suture technique after injection of 30ml, a day after the first injection, each injected water 20ml, a total of 20 days of water injection, water injection line expired three days to maintain operationsⅡ.[Results] 1: The expansion after the flap sutured in situ, (lower than the volume expansion capsule tension) after day 1, no significant changes in skin color, suture incision without edema and exudation. After the first three days darken skin color remote, the first seven days darken skin color add to the remote, see the first 14 days of remote skin flap necrosis. 2: The expansion and expansion of the affected skin area (equivalent to the volume expansion capsule tension) suture, postoperative day 1, no significant changes in skin color, suture incision without edema and exudation. After the first three days of normal skin color remote, the first seven days of normal skin color remote, no edema and purulent secretions. The first 14 days to remove sutures, all flaps survived.3: After the flap sutured to the expansion of the expansion area (greater than the volume expansion capsule tension), and postoperative day 1, no significant changes in skin color, suture incision without edema and exudation. After the first three days darken skin color remote, the first seven days darken skin color add to the remote, see the first 14 days of remote skin flap necrosis.[Conclusions] After the expansion of skin expansion in the mean the end of the tension flap suture its survival under the best.