Results: There were 11 deaths in surgical group (36 6%), mainly due to acute renal failure, metabolic acidosis and hyperkalemia postoperatively.

• 结果32例中死亡13例。手术组死亡11例(346%25)。术后急性肾功能衰竭、代谢性酸中毒及高钾血症是死亡的主要原因。肢体保存率789%25。