右美托咪定术前滴鼻在小儿腹股沟疝手术中的应用

目的：观察右美托咪定术前滴鼻用于腹股沟疝手术小儿的镇静及预防术后躁动的临床效果。方法择期腹股沟疝手术患儿40例，年龄1～5岁，ASA分级Ⅰ级，随机均分为两组，术前30 min分别经鼻腔给予右美托咪定1μg／kg（Dex组）和等容量生理盐水（NS组），给药30 min后评估患儿的镇静评分、与父母分离时的情绪评分、面罩吸入诱导抵抗评分；观察并记录术后30 min、1 h、2 h的躁动评分。结果 Dex组的镇静评分、与父母分离时的情绪评分、面罩吸入诱导抵抗评分均优于NS组，术后各时间段的躁动评分均低于NS组（P＜0．05）。结论右美托咪定术前滴鼻可安全用于小儿腹股沟疝手术，可产生良好的镇静作用，同时减少术后躁动的发生。

Effects of preoperative intranasal dexmedetomidine in children inguinal hernia operation

Objective To observe the clinical effect of preoperative intranasal dexmedetomidine on sedation and preventing postoperative agitation in children inguinal hernia operation .Methods Forty children patients ,aged 1-s5 years old ,ASA Ⅰ ,were selected and equally randomized into 2 groups ,receiving intranasally dexmedetomidine 1 μg/kg(group Dex) and the same volume of normal saline (group NS) at preoperative 30 min respectively .The sedation score ,emotion score when separating from their par‐ents ,mask inhalation induction resistance score were evaluated at 30 min after medication ,furthermore the agitation scores were ob‐served and recorded at postoperative 30 min ,1 ,2 h .Results The sedation score ,emotion score when separating from their parents and mask inhalation induction resistance score in the Dex group were superior to the NS group ,moreover the agitation score at each points were lower than those in the NS group(P<0 .05) .Conclusion Preoperative intranasal dexmedetomidine can be safely used in children inguinal hernia operation ,has better sedative effect ,meanw hile reduces the postoperative agitation occurrence .