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Treatment effects of dexmedetomidine and ketamine on postoperative analgesia after cleft palate repair.

ABSTRACT: Primary cleft palate repair may result in significant pain in the immediate postoperative period, which can lead to vigorous crying resulting in wound dehiscence and pulmonary complications. Effective pain control with opioids is the mainstay but administration on the floor has to be countered with the complications associated with their use, chiefly respiratory depression and sedation. We retrospectively examined the efficacies of intraoperative administration of intravenous (IV) dexmedetomidine (DEX) and ketamine (KET) to prevent early postoperative pain in children undergoing primary cleft palate repair and compared the results against relevant literature. The Texas Children's Hospital anesthesia database was queried to identify children undergoing a palatal surgery from December 2011 to December 2012. Inclusion criteria permitted completed primary palatal surgery without major complications and intraoperative administration of DEX or KET. The control group (CTRL) received no additional drug. A comprehensive literature review was performed. A total of 71 pediatric patients underwent palatal surgery during the study period with 46 patients qualifying for analysis. Although results were not significant, consistent trends were observed with regards to lower opioid requirements during the first 24 hours for both medications compared with the CTRL. KET also had shorter time to discharge. The literature review resulted in several studies supporting decreased postoperative pain end points for both DEX and KET. In our sample, DEX and KET reduced postoperative opioid requirements. KET seems to have the added benefit of a shorter hospital stay. These finding are supported in the literature. With further investigation, the addition of these drugs may serve to provide improved pain relief without over sedation in patients undergoing cleft palate repair.

SUBMITTER: Kayyal TA

PROVIDER: S-EPMC4078161 | biostudies-other | 2014 Jun

REPOSITORIES: biostudies-other

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Project description:ObjectiveTo systematically assess the efficacy and safety of dexmedetomidine as an anaesthesia adjuvant for cleft lip and palate (CLP) repair in children.DesignSystematic review and meta-analysis.Data sourcesPubMed, Embase, Cochrane, China National Knowledge Infrastructure (CNKI), China Science and Technology Journal Database (VIP) and Wanfang (up to October 2020). Studies in languages other than English and Chinese were excluded.Eligibility criteria for selecting studiesRandomised controlled trials (RCTs) evaluating the impact of dexmedetomidine on emergence agitation (EA), the need for postoperative rescue analgesics, postoperative nausea and vomiting (PONV), and other adverse events in paediatric patients during CLP repair.Data extraction and synthesisThe quality of evidence was assessed by using the Cochrane Review Methods and the Grading of Recommendations Assessment, Development and Evaluation approach. Data were screened, extracted and assessed by two independent authors. Outcomes were reported as a risk ratio (RR) with a 95% CI. A random-effect model was used when heterogeneity was detected.ResultsThirteen studies including 1040 children met the inclusion criteria. The incidence of EA was significantly decreased in the dexmedetomidine group (RR, 0.19; 95% CI 0.10 to 0.36; p<0.00001; I2=56%) as compared with the control group. Paediatric patients receiving dexmedetomidine had lower postoperative analgesic requirements (RR, 0.27; 95% CI 0.10 to 0.73; p=0.01; I2=84%) and a lower incidence of respiratory adverse events (RR, 0.49; 95% CI 0.31 to 0.78; p=0.003; I2=0%). There were no significant differences in the risk of PONV and cardiovascular adverse events.ConclusionsThere was a lack of high-quality studies in this field. Perioperative administration of dexmedetomidine reduced the need for postoperative rescue analgesics and the incidence of EA in children without side effects undergoing CLP repair. However, further verification with larger samples and higher-quality RCTs is needed.

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.

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Treatment effects of dexmedetomidine and ketamine on postoperative analgesia after cleft palate repair.

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