Emergence agitation in pediatrics after dexmedetomidine vs. sevoflurane anesthesia: A randomized controlled trial
Corry Quando Yahya1,2,3, Hori Hariyanto1,2, Kohar Hari Santoso3
1Department of Anesthesia and Intensive Care, Faculty of Medicine Universitas Pelita Harapan, Tangerang, Banten, Indonesia.
Insights
Dexmedetomidine significantly reduces emergence agitation in pediatric patients undergoing cleft surgery. While recovery time was longer, the incidence of agitation was substantially lower compared to Sevoflurane anesthesia.
Area of Science:
- Pediatric Anesthesia
- Craniofacial Surgery
- Pharmacology
Background:
- Emergence agitation is a common issue in pediatric anesthesia, particularly after craniofacial surgeries like cleft repair.
- High doses of opioids and inhalation anesthetics used in these procedures contribute to postoperative agitation.
- Dexmedetomidine (DEX), an alpha-2 adrenoreceptor agonist, has demonstrated anxiolytic, sedative, and analgesic properties that may mitigate agitation.
Purpose of the Study:
- To compare the incidence of emergence agitation between intravenous Dexmedetomidine (DEX) and Sevoflurane (SEVO) anesthesia in pediatric patients undergoing cleft lip or palate repair.
- To evaluate the effects of DEX versus SEVO on extubation time and recovery time in this patient population.
Main Methods:
- A randomized controlled study involving 121 pediatric patients (3 months to 10 years) with ASA 1-2 status undergoing elective cleft repair.
- Patients were divided into two groups: Dexmedetomidine (n=59) and Sevoflurane (n=62).
- Comparison of extubation time, recovery time, and emergence agitation using the Cravero scale.
Main Results:
- No significant difference in extubation time was observed between the DEX and SEVO groups (p=0.317).
- Recovery time was statistically longer in the DEX group (60 minutes) compared to the SEVO group (52 minutes) (p=0.007).
- The incidence of emergence agitation was significantly lower in the DEX group (10%) compared to the SEVO group (82%) (p<0.001), with a higher Cravero score in the SEVO group (3.9 vs 2.5).
Conclusions:
- Dexmedetomidine significantly reduces the incidence of emergence agitation in pediatric patients undergoing cleft lip and palate surgery.
- The use of Dexmedetomidine does not prolong extubation time in this patient group.
- While recovery time may be extended, the substantial reduction in emergence agitation makes Dexmedetomidine a favorable option.
Introduction:
Emergence agitation remains a problem that occurs in pediatric anesthesia. As cleft surgeries constitute one of the most common craniofacial surgeries encountered, majority of the children receive general anesthesia using high dose opioids and inhalation anesthetics and experience emergence agitation. Dexmedetomidine (DEX), an alpha-2 adrenoreceptor agonist possesses anxiolytic, sedative and analgetic properties and have been documented to reduce the incidence of postoperative agitation. Hence, this study aims to compare the incidence of emergence agitation between the use of intravenous DEX versus Sevoflurane (SEVO) anesthesia.
Methods:
This study selected one hundred twenty-one patients ages 3 months to 10 years with ASA 1 and 2 physical status scheduled to undergo elective cleft lip or cleft palate repair with general anesthesia. Before surgery, all patients were assessed preoperatively and subjects were divided into two groups using a computer-generated randomizer with 59 subjects selected as Dexmedetomidine group; and 62 subjects as Sevoflurane group. Extubation time, recovery time and emergence agitation scale were compared between the two groups.
Results:
This study found no significant difference in the extubation time between DEX and SEVO group (p = 0.317). The recovery time or time to attain full consciousness was statistically longer in the DEX group: 60 minutes as compared to 52 minutes in the SEVO group (p = 0.007). Emergence agitation assessed using Cravero score found that subjects from DEX group had an average Cravero score of 2.5; while SEVO group had an average Cravero score of 3.9 (p = < 0.001). The incidence of agitation was significantly higher in the SEVO group compared to the DEX group: 82% as compared to 10% (p = < 0.001) with an OR of 40.955 CI 95% (14.098-118.9).
Conclusions:
Dexmedetomidine significantly reduces the incidence of emergence agitation without prolonging extubation time in pediatric patients undergoing cleft lip and cleft palate surgery.
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