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Clinical efficacy of dexmedetomidine versus propofol in children undergoing magnetic resonance imaging: a meta-analysis.

ABSTRACT: Dexmedetomidine, as a sole or combinable sedative, has served in pediatric sedation undergoing MRI. However, clinical effects of dexmedetomidine are still controversial. This meta-analysis was to assess the effects between dexmedetomidine and propofol in children undergoing MRI, especially outcomes and adverse events of patients. Multiple Electronic Database searched including MEDLINE, Embase and the Cochrane library, and updated to April 2015. All statistical analysis utilized review manager to perform, the Cochrane collaboration's software preparation and maintenance of Cochrane systematic reviews. Five trials with a total of 337 patients were included. Compared with propofol group, dexmedetomidine significantly increased the recovery time (WMD: 10.70 min; 95% CI: 4.26-17.13; P = 0.001). The duration of sedation did not appear to decrease for the patients who received dexmedetomidine than for those who received propofol (WMD: 19.96 min; 95% CI: -4.12-44.04; P = 0.1). There were statistically significant increased in the pediatric anesthesia emergence Delirium scores of 5-min after awakening (WMD: 2.40; 95% CI: 1.00 to 3.81; P = 0.0008) and 10-min after awakening (WMD: 3.06; 95% CI: 1.81 to 4.31; P < 0.00001) in patients who were treated with dexmedetomidine than propofol. Improved the prognosis of patients, nonetheless, dexmedetomidine must have an indispensable role to undergoing pediatric MRI scanning. Compared with propofol, however, dexmedetomidine did not induce the duration of sedation and might lead to a longer recovery time.

SUBMITTER: Fang H

PROVIDER: S-EPMC4612785 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Clinical efficacy of dexmedetomidine versus propofol in children undergoing magnetic resonance imaging: a meta-analysis.

Fang Hongwei H Yang Liu L Wang Xiangrui X Zhu Hao H

International journal of clinical and experimental medicine 20150815 8

Dexmedetomidine, as a sole or combinable sedative, has served in pediatric sedation undergoing MRI. However, clinical effects of dexmedetomidine are still controversial. This meta-analysis was to assess the effects between dexmedetomidine and propofol in children undergoing MRI, especially outcomes and adverse events of patients. Multiple Electronic Database searched including MEDLINE, Embase and the Cochrane library, and updated to April 2015. All statistical analysis utilized review manager to ...[more]

PMID: 26550100

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Project description:BackgroundChildren under 6 years who need magnetic resonance imaging usually require sedation to obtain best quality images, but the optimal sedation protocol remains to be determined. In 2018, we showed a 22% interruption in image acquisition during magnetic resonance imaging when performing a propofol-based sedation using a bolus approach. As non-pharmacological premedication is often insufficient to reduce the anxiety of children related to parental separation, pharmacological premedication may be useful to facilitate the induction of anesthesia. In our institution, effective premedication is obtained oral intake of midazolam, though its administration relies on patients' compliance and could also lead to paradoxical reaction. Dexmedetomidine has a safe profile in the pediatric population and can therefore represent an interesting alternative. The primary objective of this trial is to demonstrate the superiority of intranasal dexmedetomidine compared to oral midazolam as premedication in reducing the occurrence of any event requiring temporary or definitive interruption of the examination to allow anesthesiologist intervention in children undergoing magnetic resonance imaging under propofol sedation.MethodsIn this single-center, prospective, randomized, double-blind, double-dummy, active comparator-controlled, superiority trial, we planned to include 250 patients, aged 6 months to 6 years, undergoing a scheduled magnetic resonance imaging requiring the presence of an anesthesiologist. After informed consent, the patients will be randomized to receive either oral midazolam or intranasal dexmedetomidine as premedication. The data will be analyzed in intention to treat, using Kolmogorov-Smirnov Z, chi-square, Wilcoxon, and Mann-Whitney U tests. A P-value < 0.05 will be considered statistically significant.DiscussionThe MIDEX MRI study will assess the efficacy of intranasal dexmedetomidine compared to oral midazolam to improve the quality of a propofol-based sedation prior to magnetic resonance imaging, without negative repercussion on the postoperative period.Trial registrationClinicalTrial.gov NCT05192629 . Registered on 14 January 2022. Protocol version 2.1.

Dataset Information

Clinical efficacy of dexmedetomidine versus propofol in children undergoing magnetic resonance imaging: a meta-analysis.

Publications

Clinical efficacy of dexmedetomidine versus propofol in children undergoing magnetic resonance imaging: a meta-analysis.

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