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Consequence of dexmedetomidine on emergence delirium following sevoflurane anesthesia in children with cerebral palsy.

ABSTRACT: Children with cerebral palsy can demonstrate irritability following emergence from general anaesthesia. As well, an elevated rate of emergence delirium (ED) in children has been associated with the application of sevoflurane. The current study's intent is to administer dexmedetomidine, in a single dosage administration, at the initial phase of sevoflurane based anesthesia with regard to the occurrence and severity of ED in children afflicted with cerebral palsy. Participating in the study (American Society of Anesthesiologists I-II) are eighty children ranging in ages two through twelve years. They would be anaesthetised with sevoflurane based anesthesia while undergoing lower limb surgical procedures. The participants were equally distributed to either Group c or Group D. Group C was administered 10 ml saline 0.9%, and Group D was administered dexmedetomidine 0.5 ?g•kg(-1). Five minutes prior to commencement of the surgical procedures, the participants received the prescribed pharmaceutical dosages under the anesthesia of sevoflurane. In order to sustain the BIS values in a range of 45 and 55, at 60 second increments, endtidal sevoflurane concentrations (ETsev) were modified. After conclusion of the surgical procedures, in post anesthesia care unit (PACU), the frequency of ED was gauged with Aonos four point scale and the severity of ED was gauged with pediatric anesthesia emergence delirium scale upon admission (T0), after intervals of five minutes (T5), fifteen minutes (T15) and thirty minutes (T30). Extubation time, emergence time and length of at stay at the PACU were assessed. Relative to Group C, participants of Group D exhibited noticeably shortened times of emergence, extubation and PACU duration of stay. Prior to surgical incision, ETsev was elevated in the control group, (1.9±0.2 vs 1.6±0.3; P = 0.023) and amid the initial 20 minutes following the surgical incision (1.6±0.2 vs 1.1±0.2; P = 0.016). At intervals of commencement, T0, of five minutes (T5) and fifteen minutes T15, Group D exhibited lower occurrences and severity of ED than those participants in Group C. Dexmedetomidine, given as a bolus dose post induction, was effective in reducing the occurrence and severity of emergence delirium in children with cerebral palsy who were undergoing lower limb surgical procedures under sevoflurane anaesthesia.

SUBMITTER: Liu Y

PROVIDER: S-EPMC4659027 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Consequence of dexmedetomidine on emergence delirium following sevoflurane anesthesia in children with cerebral palsy.

Liu Yang Y Kang Dao-Lin DL Na He-Yi HY Li Bi-Lian BL Xu Ying-Yi YY Ni Jin J Wu Jun-Zheng JZ

International journal of clinical and experimental medicine 20150915 9

Children with cerebral palsy can demonstrate irritability following emergence from general anaesthesia. As well, an elevated rate of emergence delirium (ED) in children has been associated with the application of sevoflurane. The current study's intent is to administer dexmedetomidine, in a single dosage administration, at the initial phase of sevoflurane based anesthesia with regard to the occurrence and severity of ED in children afflicted with cerebral palsy. Participating in the study (Ameri ...[more]

PMID: 26629139

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Project description:The aim of the present study was to observe whether dexmedetomidine (DEX) combined with sufentanil decreased emergence agitation (EA) in children receiving sevoflurane anesthesia for cleft palate repair surgery. Children undergoing elective cleft palate repair surgery were randomly allocated into the DEX + sufentanil group (group DS; n=50) and the normal saline + fentanyl group (group SF; n=50). Patients in group DS were treated with 0.5 µg/kg DEX prior to induction of anesthesia, whereas patients in group SF received an equal volume of normal saline. Sufentanil (0.2 µg/kg) was administered to induce anesthesia, and 30 min before the end of surgery for patients in group DS. Fentanyl (2 µg/kg) was administered at the same time point for patients in group SF. Mean arterial pressure (MAP), heart rate (HR), duration of surgery and anesthesia, and the dosage of remifentanil were assessed. EA score, Pediatric Anesthesia Emergence Delirium (PAED) score and the Children and Infants Postoperative Pain Scale (CHIPPS) score were documented every 15 min in the post-anesthesia care unit (PACU). The number of cases requiring fentanyl (1 µg/kg) and the recovery profile data were analyzed. Compared with group DS (P<0.05) and the baseline (P<0.05), HR and MAP were significantly increased in group SF immediately following tracheal intubation and extubation. Mean values of maximum EA, PAED and CHIPPS scores were significantly reduced in group DS compared with group SF at 0 (P<0.01), 15 (P<0.05), and 30 min (P<0.05) after arrival at PACU. The incidence of EA in group SF was significantly increased compared with group DS (P<0.05). The dosage of remifentanil during the surgery and the number of cases requiring fentanyl (1 µg/kg) in group DS were significantly decreased compared with group SF (P<0.05). The findings of the present study suggested that DEX combined with sufentanil was able to effectively decrease the incidence of EA in children receiving sevoflurane anesthesia for cleft palate repair surgery.

Project description:The objective of this article is to evaluate the effect of dexmedetomidine on emergence agitation (EA) and recovery profiles in children after sevoflurane anesthesia and its pharmacological mechanisms. Standard bibliographic databases, including MEDLINE, EMBASE, PsycINFP, Springer and ISI Web of Knowledge, were artificially searched to identify all randomized controlled trials (RCTs) comparing the impact of dexmedetomidine with placebo, fentanyl and midazolam on EA and recovery profiles after sevoflurane anesthesia in post-anesthesia care unit (PACU). Two authors assessed the quality of each study independently in accordance with strict inclusion criteria and extracted data. RevMan 5.0 software was applied for performing statistic analysis. The outcomes analyzed included: 1) incidence of EA, 2) emergence time, 3) time to extubation, 4) incidence of post-operation nausea and vomiting, 5) number of patients requiring an analgesic, and 6) time to discharge from PACU. A total of 1364 patients (696 in the dexmedetomidine group and 668 in the placebo, fentanyl and midazolam group) from 20 prospective RCTs were included in the meta-analysis. Compared with placebo, dexmedetomidine decreased the incidence of EA (risk ratio [RR] 0.37; 95% CI 0.30 to 0.46), incidence of nausea and vomiting (RR 0.57; 95% CI 0.38 to 0.85) and number of patients requiring an analgesic (RR 0.43; 95% CI 0.31 to 0.59). However, dexmedetomidine had a significantly delayed effect on the emergence time (weighted mean differences [WMD] 1.16; 95% CI 0.72 to 1.60), time to extubation (WMD 0.61; 95% CI 0.27 to 0.95), and time to discharge from recovery room (WMD 2.67; 95% CI 0.95 to 4.39). Compared with fentanyl (RR 1.39; 95% CI 0.78 to 2.48) and midazolam (RR 1.12; 95% CI 0.54 to 2.35), dexmedetomidine has no significantly difference on the incidence of EA. However, the analgesia effect of dexmedetomidine on postoperation pain has no significantly statistical differences compared with fentanyl (RR 1.12; 95% CI 0.66 to 1.91), which implied that its analgesia effect might play an important role in decreasing the incident of EA. No evidence of publication bias was observed.

Project description:BackgroundEmergence delirium can occur after general anesthesia in children. An intravenous infusion of alfentanil may reduce the incidence or severity of emergence delirium after sevoflurane anesthesia.ObjectiveThe study aimed to investigate the effects of alfentanil intravenous infusion on emergence delirium and other perioperative complications.MethodThis was a single-center, randomized, placebo-controlled, double-blind clinical trial. A total of 172 children undergoing ambulatory dental treatment were randomized into three groups. Alfentanil group Alf2 received 0.2 μg/kg/min of alfentanil for continuous infusion, alfentanil group Alf4 received 0.4 μg/kg/min alfentanil, and the saline group (group Sal) received a continuous infusion of normal saline, with the same volume as the two other groups, as a placebo. The incidence of emergence delirium (assessed by the Paediatric Anaesthesia Emergence Delirium [PAED] scale), hemodynamic parameters, and recovery characteristics were recorded during the recovery period. The Aono scale was also used to assess for emergence delirium. A WeChat applet was designed to facilitate a caregiver teleconsultation and to provide feedback on postoperative nausea and vomiting and any other complications after discharge.ResultsThe incidence of emergence delirium in group Alf2 (22.9%) and group Alf4 (21.1%) was significantly lower than that observed in the Sal group (48.3%). The PAED scores in group Alf2 (6.4 ± 3.5) and group Alf4 (5.8 ± 3.8) were significantly lower than those for group Sal (9.6 ± 5.1) (p < 0.01). Ten children in the Alf4 group needed manual ventilatory assistance to maintain end-tidal carbon dioxide (ETCO2) < 55 mm; children in group Alf2 did not. There was no significant difference between the discharge time of groups Alf2 and Sal (31.2 ± 4.64 vs 30.5 ± 2.82 min; 0.659 [95% confidence interval {CI} -1.052 to 2.369], p = 0.643); the time to discharge of group Alf4 (35.16 ± 3.97 min) was significantly longer than that of groups Alf2 and Sal (p < 0.01). The incidence of nausea and vomiting was similar in the three groups. No other clinically relevant adverse events were observed.ConclusionsIntravenous infusion of 0.2 μg/kg/min and 0.4 μg/kg/min alfentanil decreased the incidence of emergence delirium in the post-anesthesia care unit. The 0.2 μg/kg/min dose of alfentanil resulted in less respiratory depression and discharge delay than the 0.4 μg/kg/min alfentanil dose.Trial registrationChinese Clinical Trial Registry (ChiCTR2100043320).

Project description:BackgroundThe incidence of restlessness in the wake-up period of sevoflurane inhalation anesthesia is high. Although many studies have explored the relationship between dexmedetomidine and restlessness in the wake-up period of sevoflurane anesthesia in children, they can't keep consistent conclusions and lack evidence-based medical evidence. Meta-analysis was conducted to explore the efficacy and safety of dexmedetomidine in the treatment of restlessness during the recovery period of sevoflurane anesthesia in children, and to provide reference for clinic.MethodsRelevant articles were retrieved from PubMed, Embase, MEDLINE, Science Direct, The Cochrane Library, the Chinese National Knowledge Infrastructure (CNKI), Wanfang Database, the Chinese Science and Technology Periodical Database, and the Chinese BioMedical Literature Database (CBM). The Chinese and English search keywords included "dexmedetomidine", "children", "sevoflurane", and "emergence agitation". The articles included were independently evaluated and cross-checked by 2 professionals in strict accordance with the 5 evaluation criteria for randomized controlled trials (RCTs) in the Cochrane Handbook for Systematic Reviews of Interventions (version 5.0.1).ResultsA total of 16 articles were included in this meta-analysis. Of the 16 RCTs, 14 described the generation of random sequences in detail, 8 described allocation concealment in detail, no patient blinding was described due to different surgical methods, 8 articles used operator blinding, and all 16 articles had complete outcome measures. The incidence of emergence agitation in the 0.5 µg/kg dexmedetomidine group was significantly lower than that in the control group, and the difference was statistically significant [odds ratio (OR) =0.22, 95% CI: 0.13, 0.40, P<0.00001]. The incidence of analgesic rescue in the experimental group was significantly lower than that in the control group, and the difference was statistically significant (OR =0.29, 95% CI: 0.13, 0.63, Z =3.13, P=0.002). The incidence of postoperative nausea and vomiting in the experimental group was significantly lower than that in the control group, and the difference was statistically significant (OR =0.33, 95% CI: 0.20, 0.55, Z =4.29, P<0.0001).DiscussionThe results of this meta-analysis confirmed that dexmedetomidine could reduce the incidence of emergence agitation, postoperative analgesic rescue, and nausea and vomiting in children after sevoflurane anesthesia.

Project description:Background: We conducted this systematic review and meta-analysis to investigate the clinical effect of dexmedetomidine in preventing pediatric emergence agitation (EA) or delirium (ED) following anesthesia compared with placebo or other sedatives. Methods: The databases of Pubmed, Embase, and Cochrane Library were searched until 8th January 2020. Inclusion criteria were participants with age<18 years and studies of comparison between dexmedetomidine and placebo or other sedatives. Exclusion criteria included adult studies; duplicate publications; management with dexmedetomidine alone; review or meta-analysis; basic research; article published as abstract, letter, case report, editorial, note, method, or protocol; and article presented in non-English language. Results: Fifty-eight randomized controlled trials (RCTs) and five case-control trials (CCTs) including 7,714 patients were included. The results showed that dexmedetomidine significantly decreased the incidence of post-anesthesia EA or ED compared with placebo [OR = 0.22, 95% CI: (0.16, 0.32), I 2 = 75, P < 0.00001], midazolam [OR = 0.36, 95% CI: (0.21, 0.63), I 2 = 57, P = 0.0003], and opioids [OR = 0.55, 95% CI: (0.33, 0.91), I 2 = 0, P = 0.02], whereas the significant difference was not exhibited compared with propofol (or pentobarbital) [OR = 0.56, 95% CI: (0.15, 2.14), I 2 = 58, P = 0.39], ketamine [OR = 0.43, 95% CI: (0.19, 1.00), I 2 = 0, P = 0.05], clonidine [OR = 0.54, 95% CI: (0.20, 1.45), P = 0.22], chloral hydrate [OR = 0.98, 95% CI: (0.26, 3.78), P = 0.98], melatonin [OR = 1.0, 95% CI: (0.13, 7.72), P = 1.00], and ketofol [OR = 0.55, 95% CI: (0.16, 1.93), P = 0.35]. Conclusion: Compared with placebo, midazolam, and opioids, dexmedetomidine significantly decreased the incidence of post-anesthesia EA or ED in pediatric patients. However, dexmedetomidine did not exhibit this superiority compared with propofol and ketamine. With regard to clonidine, chloral hydrate, melatonin, and ketofol, the results needed to be further tested due to the fact that only one trial was included for each control drug.

Dataset Information

Consequence of dexmedetomidine on emergence delirium following sevoflurane anesthesia in children with cerebral palsy.

Publications

Consequence of dexmedetomidine on emergence delirium following sevoflurane anesthesia in children with cerebral palsy.

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