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目的 观察高压氧治疗对急性脊髓损伤患者肌电图F波的影响.方法 79例急性脊髓损伤患者,按治疗方法分为对照组38例、高压氧组41例,对照组给予激素、脱水剂、营养神经药等常规治疗,高压氧组在常规治疗基础上加用高压氧治疗.分别在治疗前和治疗后10、30 d,检测2组患者双下肢F波引出率和离散度的变化;评价2组治疗30 d后总有效率.结果 10、30 d时,与同组治疗前比较,2组患者双下肢F波引出率治疗均提高,离散度均降低,差异有统计学意义(P ＜0.05或P＜0.01).与同时间点常规治疗组比较,高压氧组治疗10、30 d时F波引出率高,离散度低,差异均有统计学意义(P＜0.05或P＜0.01).治疗30 d后,高压氧组治疗总有效率为85.7％,高于常规治疗组(70.0％),差异有统计学意义(P＜0.05).结论 高压氧治疗可引起急性脊髓损伤患者双下肢F波变化,促进患者恢复.“,”Objective To investigate the effects of HBO therapy on the changes in F wave of electromyogram(EMG) in patients with spinal cord injury.Methods Seventy-nine cases of acute spinal cord injury were divided into the control group (conventional treatment) (38 cases) and the treatment group (conventional treatment + HBO therapy) (41 cases) in accordance with different treatment methods.The control group was treated simply with hormones,dehydrating agents and nerve trophic agents,while the HBO group was given HBO therapy in addition to conventional treatment.Changes in F wave extraction and dispersion rates in the lower limbs of the two groups were detected both before therapy and 10 and 30 days respectively after therapy.Total effective rates 30 days after therapy were evaluated for the 2 groups.Results As compared with those before treatment,the F wave extraction rates of the lower limbs in the patients of both groups were all increased 10 and 30 days after treatment,while dispersion rates were decreased,with statistical significance(P＜ 0.05 or P ＜ 0.01).As compared with those rates of the control group at the same time points,F wave extraction rates for the HBO group at day 10 and day 30 were obviously higher,while dispersion rates were lower,also with statistical significance(P ＜ 0.05 or P ＜ 0.01).After 30 days of treatment,total effective rate for the HBO group was 85.7％,which was obviously higher than that of the control (70.0％),with statistical significance (P ＜ 0.05).Conclusions HBO therapy could induce changes in F wave and hasten recovery of the patients with acute spinal cord injury.