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目的探讨幼儿上肢术中止血带安全、有效的压力值。方法检测56例幼儿指动脉搏动消失时上肢止血带压力、最低上肢止血带压力,在此基础上探索达到最低稳定止血效果的压力范围,观察年龄、性别等对上肢止血带有效压力的影响,并观察可能的止血带损伤。结果最低止血压力为20 k Pa但术中止血效果不稳定。男、女幼儿及各年龄段指动脉搏动消失时止血带压力差异存在统计学意义(P<0.05)。最低稳定止血效果的压力值为21 k Pa,>3~4周岁、>2~3周岁与10月~2周岁幼儿组达到稳定止血时止血带压力差异有统计学意义(P<0.05)。结论幼儿安全、有效的上肢止血压力为22~25 k Pa。
Objective To investigate the safe and effective pressure value of the upper tourniquet tourniquet in children. Methods 56 cases of pediatric children with pulsatility disappeared pulsatility of upper extremity tourniquet pressure, the lowest upper extremity tourniquet pressure, on the basis of which to explore the lowest stable hemostatic effect of the pressure range, to observe the age, gender and other effects on the upper extremity tourniquet effective pressure and Observed possible tourniquet injury. Results The minimum blood pressure was 20 kPa but the effect of intraoperative bleeding was not stable. There were significant differences in tourniquet pressure between male and female children and all age groups with arterial pulse disappeared (P <0.05). The lowest stable hemostatic pressure value was 21 kPa,> 3 to 4 years old,> 2 to 3 years old and 10 months to 2 years old group reached stable hemostasis when tourniquet pressure difference was statistically significant (P <0.05). Conclusion The safe and effective upper-limb hemostasis pressure in children is 22-25 kPa.