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Efficacy of premedication with intravenous midazolam on preoperative anxiety and mask compliance in pediatric patients: a randomized controlled trial.


ABSTRACT:

Background

To alleviate anxiety before surgery is a significant concern for the pediatric anesthesiologist. Midazolam has been generally used as a premedication, and compelling data regarding effective dose to mitigate anxiety is lacking. The current trial addressed the comparable efficacy of intravenous midazolam with different doses regarding the anxiety state, ease of child-parental separation, and mask compliance as premedication in pediatric patients undergoing tonsillectomy.

Methods

Three hundred and twelve children aged 2-8 years were randomly assigned, 104 per group, to receive intravenous 0.03 mg/kg midazolam (group A), 0.05 mg/kg midazolam (group B), or saline control (group C), 40 minutes before surgery. We assessed the anxiety state every 10 min after premedication with modified Yale preoperative anxiety scale (mYPAS), evaluated the emotional state during separation with parental separation anxiety scale (PSAS), and compared their compliance to mask oxygen supply with mask acceptance score (MAS).

Results

Children premedicated with 0.05 mg/kg midazolam achieved a sedated state more rapidly than those who received 0.03 mg/kg midazolam (5.9±2.3 vs. 7.0±3.9, P=0.02). The proportion of satisfactory parental separation and compliance to mask ventilation was not different between midazolam groups, which was superior to saline control. The children receiving 0.05 mg/kg midazolam stayed longer in postoperative care unit than those receiving 0.03 mg/kg midazolam and saline. The incidence of postoperative adverse events was rare and comparable among groups.

Conclusions

Intravenous administration of a single dose of midazolam 0.05 and 0.03 mg/kg produces similar effects on sedation status, parental separation, and mask induction acceptance, except for rapid-onset and long sedation duration in pediatric patients premedicated with 0.05 mg/kg midazolam.

Trial registration

ClinicalTrials.gov NCT04266340.

SUBMITTER: Qiao H 

PROVIDER: S-EPMC9732608 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Publications

Efficacy of premedication with intravenous midazolam on preoperative anxiety and mask compliance in pediatric patients: a randomized controlled trial.

Qiao Hui H   Chen Jing J   Lv Peipei P   Ye Zhou Z   Lu Yu Y   Li Wenxian W   Jia Jie J  

Translational pediatrics 20221101 11


<h4>Background</h4>To alleviate anxiety before surgery is a significant concern for the pediatric anesthesiologist. Midazolam has been generally used as a premedication, and compelling data regarding effective dose to mitigate anxiety is lacking. The current trial addressed the comparable efficacy of intravenous midazolam with different doses regarding the anxiety state, ease of child-parental separation, and mask compliance as premedication in pediatric patients undergoing tonsillectomy.<h4>Met  ...[more]

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