Effectiveness of dexmedetomidine for emergence agitation in infants undergoing palatoplasty: a randomized controlled

Aiji Boku1, Hiroshi Hanamoto1, Aiko Oyamaguchi1

  • 1Department of Dental Anesthesiology, Graduate School of Dentistry, Osaka University, Osaka, Japan.

Insights

Dexmedetomidine (Dex) significantly reduced emergence agitation (EA) and pain scores in infants after sevoflurane anesthesia during palatoplasty. This suggests Dex offers a safer recovery for pediatric patients undergoing this procedure.

Area of Science:

  • Pediatric Anesthesiology
  • Pharmacology

Background:

  • Emergence agitation (EA) is common in infants following sevoflurane (Sev) anesthesia.
  • Palatoplasty in infants often requires general anesthesia, increasing the risk of EA.

Purpose of the Study:

  • To evaluate the efficacy of dexmedetomidine (Dex) in reducing the incidence and severity of EA in infants undergoing palatoplasty.
  • To compare EA and pain scores between infants receiving Dex and those receiving a placebo.

Main Methods:

  • A prospective randomized clinical trial involved 70 infants (10-14 months) undergoing palatoplasty.
  • Infants were randomized to receive either Dex (6 μg/kg/h then 0.4 μg/kg/h) or saline.
  • Emergence agitation and pain were assessed using validated scales at multiple time points post-extubation.

Main Results:

  • The Dex group exhibited significantly lower EA and pain scores compared to the saline group.
  • These reductions were observed consistently from extubation up to 120 minutes post-arrival in the PACU.

Conclusions:

  • Dexmedetomidine administration effectively reduces emergence agitation and pain in infants after sevoflurane anesthesia for palatoplasty.
  • Dex provides a safe and satisfactory recovery profile for pediatric patients undergoing this surgical procedure, with no adverse effects noted.
Abstract

Related Concept Videos

Parenteral Anesthetics: Overview01:24

Parenteral Anesthetics: Overview

Intravenous anesthetics are drugs administered parenterally to induce anesthesia or sedation. Propofol is a widely used agent formulated as a 1% emulsion in soybean oil, glycerol, and egg phosphatide. It induces rapid anesthesia primarily due to its rapid distribution from the bloodstream to target tissues and is metabolized in the liver. However, it can cause significant pain on injection and hypertriglyceridemia. Fospropofol, a water-based prodrug of propofol, lacks these adverse effects.
908
Depolarizing Blockers: Pharmocokinetics01:19

Depolarizing Blockers: Pharmocokinetics

Depolarizing blockers are administered through intravenous injection. Succinylcholine is the most common choice of depolarizing blockers in emergency clinical practices. Although they have a rapid onset, they readily diffuse away from the motor end plate into the extracellular fluid. They are metabolized by enzymes such as liver butyrylcholinesterase and plasma pseudocholinesterases. This produces a short duration of action, typically 5-10 minutes long, unlike nondepolarizing blockers, which...
715
Skeletal Muscle Relaxants: Therapeutic Uses01:31

Skeletal Muscle Relaxants: Therapeutic Uses

Skeletal muscle relaxants are used to relax muscle tone and alleviate painful muscle contractions. However, the choice of skeletal muscle relaxants depends on the duration of the surgical procedure in order to minimize potential side effects. Skeletal muscle relaxants like neuromuscular blocking agents [NMBAs] are commonly employed as adjuvants alongside general anesthetics in clinical settings. NMBAs are also used to maintain controlled ventilation during surgery of the larynx or pharynx...
1.1K
Skeletal Muscle Relaxants: Adverse Effects01:21

Skeletal Muscle Relaxants: Adverse Effects

Skeletal muscle relaxants are widely used for muscle paralysis and relieving pain following any muscle injury or stiffness. However, depending on the drug type, they can have adverse effects that range from mild to severe. Usually, nondepolarizing neuromuscular blockers have minimal side effects. For example, drugs like d-tubocurarine, cisatracurium, and rocuronium cause hypotension, whereas drugs like baclofen, when stopped abruptly, can lead to the recurrence of spastic conditions.
Unlike...
1.0K
Sedatives and Hypnotics Drugs: Miscellaneous Agents01:17

Sedatives and Hypnotics Drugs: Miscellaneous Agents

Sedatives and hypnotics encompass a wide range of substances, each with its unique mechanism of action, uses, and potential adverse effects.
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...
822