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目的:评价醋酸钠林格注射液在小儿骨科手术补液中的应用价值.方法:选取2017年7月至2018年11月在我院择期行胫骨假关节切除手术的患儿60例 (年龄1～6岁, 体质量8～20 kg, ASAⅠ～Ⅱ级), 按随机数表法分为观察组和对照组各30例.观察组患儿术中输注醋酸钠林格注射液补液, 对照组患儿输注乳酸钠林格注射液, 术中液体维持量按4:2:1法则计算.分别于麻醉诱导后 (T0) 、手术1 h (T1) 、手术2 h (T2) 、手术结束时 (T3) 监测动脉血气、电解质、血乳酸、血糖、血流动力学指标、总输液量、出血量、尿量.结果:两组患儿手术时间、术中出血量、总输液量比较差异均无统计学意义 (P均>0.05) .观察组患儿在T2、T3的血乳酸水平低于对照组, 在T3的血糖水平低于对照组 (P均0.05). In the observation group, the blood lactic acid level in T2 and T3 was lower than that in the control group, and the blood glucose level in T3 was lower than that in the control group (P<0.05).Conclusion: In pediatric orthopedic surgery, sodium acetate ringer injection has few effects on blood glucose and lactic acid, which is safer and more effective than sodium lactate ringer injection.