Related Experiment Video
Updated: Mar 3, 2026

Anesthesia and Intubation of Preadolescent Mouse Pups for Cardiothoracic Surgery
Published on: June 2, 2022
Dexmedetomidine Effect on Emergence Agitation and Delirium in Children Undergoing Laparoscopic Hernia Repair: a
Yingying Sun1,2, Yuanhai Li2, Yajuan Sun1
11 Department of Anesthesiology, Anhui Provincial Children's Hospital, Hefei, Anhui, China.
Insights
Dexmedetomidine (Dex) effectively reduced emergence agitation (EA) and delirium (ED) in children undergoing laparoscopic hernia repair. The study found Dex decreased pain and the need for sevoflurane, improving patient outcomes.
Area of Science:
- Anesthesiology
- Pediatric Surgery
- Pharmacology
Background:
- Emergence agitation (EA) and delirium (ED) are common complications in pediatric anesthesia.
- Laparoscopic hernia repair is a frequent procedure in children.
- Preventing EA and ED is crucial for positive postoperative experiences.
Purpose of the Study:
- To assess the safety and efficacy of dexmedetomidine (Dex) in preventing EA and ED.
- To evaluate Dex's impact on postoperative pain and anesthetic agent requirements.
- To determine optimal Dex dosage for pediatric laparoscopic surgery.
Main Methods:
- A randomized controlled trial involving 100 children aged 1-5 years.
- Four groups received either saline (control) or intravenous Dex at 0.25, 0.5, or 1.0 µg/kg.
- EA, ED, pain (CHIPPS score), and sevoflurane consumption were evaluated.
Main Results:
- Dex significantly reduced EA and ED frequencies in a dose-dependent manner.
- Higher Dex doses (0.5 and 1.0 µg/kg) led to lower EA and ED rates compared to controls.
- Dex decreased sevoflurane requirements and postoperative pain scores.
Conclusions:
- Intravenous dexmedetomidine is a safe and effective agent for preventing emergence agitation and delirium in pediatric laparoscopic hernia repair.
- Dexmedetomidine reduces postoperative pain and the need for sevoflurane.
- Further research may explore long-term effects and optimal dosing strategies.
Abstract:
Objective To evaluate the safety and efficacy of dexmedetomidine (Dex) to prevent emergence agitation (EA) and delirium (ED) in children undergoing laparoscopic hernia repair under general anesthesia. Methods 100 children (1-5 years, 10-25 kg) were randomized into four groups: controls (saline) and intravenous Dex at 0.25, 0.5, and 1.0 µg/kg (D1, D2, D3, respectively). Dex/saline infusion was started following anesthesia. EA and ED were evaluated on a 5-point scale. Results For the C, D1, D2, and D3 groups, respectively, EA frequencies were 45.8%, 30.4%, 12%, 4%; ED frequencies 29.1%, 13%, 4%, 4%; CHIPPS scores 8, 6, 3, 3; sevoflurane doses from 13.2 ± 3.4 (controls) to 9.4 ± 3.5 ml (D3). Intervals until mask removal/spontaneous eye opening were significantly longer for D2 and D3 than controls. PACU stay was longer for D3. Conclusions There was significantly less postoperative EA and pain, with less sevoflurane required, using Dex.
More Related Videos
06:46Implantation of Electroencephalogram and Electrocardiogram Telemetry Devices in Neonatal Rabbit Kits
Published on: February 28, 2025
08:49Assessing Changes in Volatile General Anesthetic Sensitivity of Mice after Local or Systemic Pharmacological Intervention
Published on: October 16, 2013
Related Concept Videos
Parenteral Anesthetics: Overview
Sedatives and Hypnotics Drugs: Miscellaneous Agents
Melatonin congeners like ramelteon (Rozerem) and tasimelteon (Hetlioz) selectively bind to melatonin receptors (MT1 and MT2) and thus mimic the actions of melatonin, a hormone that regulates sleep-wake cycles. Tasimelteon is primarily used for non-24-hour sleep-wake disorder, common in blind patients. They are also used to treat conditions like insomnia...
Stages of General Anesthesia
Skeletal Muscle Relaxants: Adverse Effects
Unlike...
Skeletal Muscle Relaxants: Therapeutic Uses
Depolarizing Blockers: Pharmocokinetics