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用秩和比法对37例脑瘫患者施行SPR术中影响应激反应的诸因素进行分析。结果显示：3—6岁小儿、切断后根小束大于50％者、电刺激量平均为5．1—10mA者、芬太尼量大于3μg／kg·h者和于腰骶部行SPR者应激反应最强。3、4级痉挛者、芬太尼量为2．1—3μg／kg·h者、7—13岁儿童、切断后根小束41—50％者和电刺激量平均大于10mA者应激反应较强。5级痉挛、14岁以上青成年和电刺激量平均小于5mA者，应激反应较弱。而芬太尼量小于2μg／kg·h、切断后根小束少于40％和行颈胸段SPR者应激反应最弱。经临床分析，作者提出：SPR中应特别注意6岁前小儿及切断后根小束超过50％的脑瘫患者的应激反应。
Using rank sum ratio method in 37 cases of cerebral palsy patients SPR surgery in the impact of stress factors were analyzed. The results showed that in 3-6-year-old children, the number of radicles was more than 50% after cutting, the average number of electric stimulation was 5.1-10mA, the amount of fentanyl was more than 3μg / kg · h, and the SPR in lumbosacral region The strongest stress response. 3,4 grade spasm, the amount of fentanyl 2.1-3μg / kg · h, 7-13-year-old children, 41-50% of the severed posterior root bundle and electrical stimulation were greater than 10mA on average stress response Strong. Grade 5 spasm, young adults over 14 years of age and electrical stimulation less than 5mA on average, the stress response is weak. The fentanyl less than 2μg / kg · h, cut less than 40% of the root canal and cervical SPR were the weakest stress response. The clinical analysis, the authors propose: SPR should pay special attention to children with pre-6 years and severed root canal beam more than 50% of cerebral palsy patients stress response.