中文摘要：

目的探讨术前禁水时间对患儿体温的影响。方法将350例患儿随机分为A、B、C3组。A组为术前禁水4h，B组为术前禁水4h加输液（10％或5％葡萄糖250-500m1），C组为术前禁水2h。观察A、B、C3组患儿术前体温、口渴、烦躁、哭闹和术中发生呕吐的情况。结果A组患儿术前发热率显著高于B、C组，A、B组术前14渴、烦躁、哭闹发生率较C组高，3组患儿术中呕吐发生率比较差异无显著性。结论对小儿实施术前8h禁食，2h禁水是安全的，可减少术前发热，保证手术如期进行。

英文摘要：

Objective To investigate the effects of different preoperative fasting water time on body temperature in preoperative children. Methods Divided 350 children into A, B and C group randomly and apply 4 hours preoperative fasting water, 4 hours fasting water added 250--500 ml fluid infusion and 2 hours fasting water respectively. Observe the condition of body temperature, thirst, fidget, crying and vomiting in these 3 groups. Results The incidence rate of preoperative fever in group A was significant higher than that of in the other two groups. The incidence rate of thirst, fidget and crying were significant higher in group A and B than those of in group C, while there was no significant difference among three groups in the incidence rate of vomiting during the course of operation. Conclusion It is a safe method of 8 hours preoperative fasting food and 2 hours fasting water for children, which can effective reduce the incidence rate of preoperative fever and then guarantee the operation.