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J Korean Surg Soc. 2006 Apr;70(4):334-339. Korean. Case Report.
Woo GW , Moon CW , Song SE , Kim HC .
Department of Surgery, Hanil Hospital, Seoul, Korea.

Early treatment to facilitate the muscular blood flow can avert myonephropathic metabolic syndrome (MNMS) and major amputation for patients suffering with acute limb ischemia. Delayed reperfusion or microemboli in the small vessels can aggreviate: ischemic changes and lead to irreversible muscle necrosis. Amnion is an excellent biological dressing, and we tried using it to treat anterior compartment muscle necrosis (ACMN). The amnions were aseptically collected from caesarean sections. Additional betadine (1 : 3 solution) and vaseline-soaked gauzes were applied over the amnion as a daily biologic wet dressing. The amnion was replaced every three days. Finally, split skin grafting was performed on the healthy granulation tissue. We treated two patients who happened to have shin muscle necrosis. A 65-year-old man with a femoro-femoral arterial bypass showed graft thrombosis. Thirteen days after performing balloon angioplasty with stent insertion in the right femoral artery, new emboli were found in the stent and in the left popliteal artery. There was an attack of myocardial infarction the next day after embolectomy. The severe MNMS and ACMN at the right shin occurred after cardiopulmonary resuscitation. The dry gangrene was excised 3 months later, and this was followed by a skin graft 4 months later. An 81-year-old woman with atrial fibrillation showed left common femoral arterial obstruction and ACMN on the left shin during the management of congestive heart failure. The dry gangrene was excised 2 months later, and this was followed by a skin graft 3 months later. The amnion dressing shows promises for providing healthy granulation tissue for split skin grafts when treating muscle necrosis of the leg. Biologic dressing with using amnion is an option for limb salvage in the case of muscle necrosis that is caused by acute limb ischemia, although the treatment takes a long time.

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