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目的:探讨改良“Z字形”屈氏位对腹腔镜子宫内膜癌根治术患者血流动力学的影响，为患者手术体位的选择提供参考。方法:选取2017年4月至2019年4月在湖北省襄阳市中心医院行腹腔镜子宫内膜癌根治术的患者80例，按照随机数字表法分为试验组和对照组，每组40例。对照组采用常规头低足高截石位，试验组采用改良“Z字形”屈氏位。分别记录2组患者气腹前10 min（Tn 0）、气腹即刻（Tn 1）、气腹后5 min（Tn 2）、气腹后10 min（Tn 3）、气腹后30 min（Tn 4）、气腹后60 min（Tn 5）、恢复水平体位后1 min（Tn 6）的心率、平均动脉压、中心静脉压、体循环阻力和心排出量，并于术后24 h对患者进行随访，采用视觉模拟量表（VAS）评价肩部和下肢疼痛程度。n 结果:Tn 0~Tn 6时，2组患者心率、平均动脉压、体循环阻力和心排出量差异无统计学意义（均n P>0.05）。Tn 2~Tn 6的每个时间点试验组的中心静脉压分别为（9.86 ± 1.95）、（10.94 ± 1.53）、（11.33 ± 2.24）、（11.14 ± 1.54）、（7.75 ± 1.59）cmHn 2O（1 cmHn 2O=0.098 kPa），均低于对照组的（18.83 ± 2.82）、（16.81 ± 2.93）、（16.27 ± 3.56）、（15.76 ± 2.33）、（8.92 ± 1.68）cmHn 2O，差异有统计学意义（n t值为3.057~15.736，均n P<0.05）。试验组肩部疼痛和下肢疼痛VAS评分分别为（3.48 ± 1.10）、（2.35 ± 0.66）分，低于对照组的（4.16 ± 1.32）、（2.99 ± 1.02）分，差异有统计学意义（n t值为2.404、3.228，n P0.05). The central venous pressure were (9.86±1.95), (10.94±1.53), (11.33±2.24), (11.14±1.54),(7.75±1.59) cmHn 2O(1 cmHn 2O=0.098 kPa) respectively from Tn 2 to Tn 6 in the experiment group, lower than that of control group (18.83±2.82), (16.81±2.93), (16.27±3.56), (15.76±2.33), (8.92±1.68) cmHn 2O at the same time, the differences were statically significant (n t values were 3.057-15.736, all n P<0.05). The VAS scores of shoulder pain and low leg pain in experiment group were (3.48±1.10), (2.35±0.66) points, lower than that of control group (4.16±1.32), (2.99±1.02) points, the differences were statically significant (n t values were 2.404, 3.228, n P<0.05).n Conclusions:Modified Z Trendelenburg position can maintain the circulatory system hemodynamic stability, reduce the degree of shoulder pain and low leg pain after surgery in the laparoscopic radical resection for endometrial carcinoma patients.