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目的：研究口服添加精氨酸对腹部闭合性损伤患者术后恢复的影响。方法选择我院住院病人腹部闭合性损伤患者75例，随机分为口服精氨酸剂量组A组（10g/d）、B组（20g/d）和对照组C组，采用等氮量、等热卡的营养方案，在患者术后排气后连续应用7天，测定患者第1天及第7天的白蛋白、前白蛋白、C反应蛋白，并记录患者的感染情况。结果B组在第7天前白蛋白高于C组，C反应蛋白低于C组，差异有统计学意义（P0.05）。结论口服补充精氨酸能促进腹部闭合性损伤患者的术后恢复。“,”Objective To investigate the effect of arginine on postoperative recovery of the patients with closed abdominal injury. Methods A total of 75 inpatients with closed abdominal injury were divided into three groups, the oral dose arginine group (10g/d)( group A) ,the oral dose arginine (20g/d) (group B)and the control group (group C). The patients were given nutritional support with the same nitrogen and calorie after fart continuous 7 days. The indexes of albumin,prealbumin, C-reactive protein and infection status of the patients with closed abdominal injury were respectively measured at the 1st day and at the 7th day. Results The prealbumin of the patients in group B at 7th days is higher than that of the patients in group C,C-reactive protein of the patients in group B is lower than that of the patients in group C.The difference was statistically significant(P0.05). Conclusion Oral supplement of arginine could promote the postoperative recovery of the patients with closed abdominal injury.