Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography

Introduction: Both midazolam and promethazine are recommended to be used as sedatives in many studies but each have some side effects that limits their use. Combination therapy as an alternative method, may decreases these limitations. Therefore, this study aimed to compare midazolam with midazolam...

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Main Authors: Hassan Barzegari, Behzad Zohrevandi, Kambiz Masoumi, Arash Forouzan, Ali Asgari Darian, Shaqayeq Khosravi
Format: Article
Language:English
Published: Shahid Beheshti University of Medical Sciences 2018-12-01
Series:Archives of Academic Emergency Medicine
Subjects:
Online Access:https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/279
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author Hassan Barzegari
Behzad Zohrevandi
Kambiz Masoumi
Arash Forouzan
Ali Asgari Darian
Shaqayeq Khosravi
author_facet Hassan Barzegari
Behzad Zohrevandi
Kambiz Masoumi
Arash Forouzan
Ali Asgari Darian
Shaqayeq Khosravi
author_sort Hassan Barzegari
collection DOAJ
description Introduction: Both midazolam and promethazine are recommended to be used as sedatives in many studies but each have some side effects that limits their use. Combination therapy as an alternative method, may decreases these limitations. Therefore, this study aimed to compare midazolam with midazolam-promethazine regarding induction, maintenance, and recovery characteristics following pediatric procedural sedation and analgesia. Methods: Children under 7 years old who needed sedation for being CT scanned were included in this double-blind randomized clinical trial. The patients were randomly divided into 2 groups: one only received midazolam (0.5 mg/kg), while the other group received a combination of midazolam (0.5 mg/kg) and promethazine (1.25 mg/kg). University of Michigan Sedation Scale (UMSS) was used to assess sedation induction. In addition to demographic data, the child’s vital signs were evaluated before prescribing the drugs and after inducing sedation (reaching UMSS level 2). The primary outcomes in the present study were onset of action after administration and duration of the drugs’ effect. Results: 107 patients were included in the study. Mean onset of action was 55.4±20.3 minutes for midazolam and 32.5±11.1 minutes for midazolam-promethazine combination (p<0.001). But duration of effect was not different between the 2 groups (p=0.36). 8 (7.5%) patients were unresponsive to the medication, all 8 of which were in the midazolam treated group (p=0.006). Also in 18 (16.8%) cases a rescue dose was prescribed, 14 (25.9%) were in the midazolam group and 4 (7.5%) were in the midazolam-promethazine group (p=0.02). Comparing systolic (p=0.20) and diastolic (p=0.34) blood pressure, heart rate (p=0.16), respiratory rate (p=0.17) and arterial oxygen saturation level (p=0.91) showed no significant difference between the 2 groups after intervention. Conclusion: Based on the findings of this study, it seems that using a combination of midazolam and promethazine not only speeds up the sedation induction, but also decreases unresponsiveness to the treatment and the need for a rescue dose.
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spelling doaj.art-b1bd9fc264a74408922e4e4decf847802022-12-22T01:32:03ZengShahid Beheshti University of Medical SciencesArchives of Academic Emergency Medicine2645-49042018-12-013310.22037/aaem.v3i3.279Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed TomographyHassan Barzegari0Behzad Zohrevandi1Kambiz Masoumi2Arash Forouzan3Ali Asgari Darian4Shaqayeq Khosravi5Department of Emergency Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.Department of Emergency Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.Department of Emergency Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.Department of Emergency Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IranDepartment of Emergency Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IranDepartment of Emergency Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, IranIntroduction: Both midazolam and promethazine are recommended to be used as sedatives in many studies but each have some side effects that limits their use. Combination therapy as an alternative method, may decreases these limitations. Therefore, this study aimed to compare midazolam with midazolam-promethazine regarding induction, maintenance, and recovery characteristics following pediatric procedural sedation and analgesia. Methods: Children under 7 years old who needed sedation for being CT scanned were included in this double-blind randomized clinical trial. The patients were randomly divided into 2 groups: one only received midazolam (0.5 mg/kg), while the other group received a combination of midazolam (0.5 mg/kg) and promethazine (1.25 mg/kg). University of Michigan Sedation Scale (UMSS) was used to assess sedation induction. In addition to demographic data, the child’s vital signs were evaluated before prescribing the drugs and after inducing sedation (reaching UMSS level 2). The primary outcomes in the present study were onset of action after administration and duration of the drugs’ effect. Results: 107 patients were included in the study. Mean onset of action was 55.4±20.3 minutes for midazolam and 32.5±11.1 minutes for midazolam-promethazine combination (p<0.001). But duration of effect was not different between the 2 groups (p=0.36). 8 (7.5%) patients were unresponsive to the medication, all 8 of which were in the midazolam treated group (p=0.006). Also in 18 (16.8%) cases a rescue dose was prescribed, 14 (25.9%) were in the midazolam group and 4 (7.5%) were in the midazolam-promethazine group (p=0.02). Comparing systolic (p=0.20) and diastolic (p=0.34) blood pressure, heart rate (p=0.16), respiratory rate (p=0.17) and arterial oxygen saturation level (p=0.91) showed no significant difference between the 2 groups after intervention. Conclusion: Based on the findings of this study, it seems that using a combination of midazolam and promethazine not only speeds up the sedation induction, but also decreases unresponsiveness to the treatment and the need for a rescue dose.https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/279Promethazinemidazolamanti-anxiety agentsconscious sedation
spellingShingle Hassan Barzegari
Behzad Zohrevandi
Kambiz Masoumi
Arash Forouzan
Ali Asgari Darian
Shaqayeq Khosravi
Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography
Archives of Academic Emergency Medicine
Promethazine
midazolam
anti-anxiety agents
conscious sedation
title Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography
title_full Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography
title_fullStr Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography
title_full_unstemmed Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography
title_short Comparison of Oral Midazolam and Promethazine with Oral Midazolam alone for Sedating Children during Computed Tomography
title_sort comparison of oral midazolam and promethazine with oral midazolam alone for sedating children during computed tomography
topic Promethazine
midazolam
anti-anxiety agents
conscious sedation
url https://journals.sbmu.ac.ir/aaem/index.php/AAEM/article/view/279
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