肥胖患者手术暴露相对困难 ,出血多 ,术后下肢深静脉血栓形成和肺栓塞的危险增加 ,容易出现切口感染、裂开等。另外 ,肥胖者外表看来很健康 ,但实际上是伴有代谢紊乱的病态 ,其代偿功能的潜力小 ,遇有手术应激时 ,容易出现电解质紊乱和假性糖尿病等。1　下肢深静脉血栓形成1 1 Obese patients exposed to surgery is relatively difficult, more bleeding, postoperative lower extremity deep vein thrombosis and increased risk of pulmonary embolism, prone to incision infection, rupture and so on. In addition, the obese appearance looks very healthy, but in fact is accompanied by metabolic disorders of the pathological, its potential for compensatory function is small, in case of surgical stress, prone to electrolyte imbalance and false diabetes. 1 deep venous thrombosis 1 1