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Journal Article
Randomized Controlled Trial
Midazolam versus dexamethasone-ondansetron in preventing post-operative nausea-vomiting in patients undergoing laparoscopic surgeries.
Acta Anaesthesiologica Scandinavica 2021 August
BACKGROUND: Midazolam reduces post-operative nausea and vomiting (PONV) when compared to a placebo or when used as an adjuvant to other antiemetics. The present study was designed to compare midazolam with a combination of dexamethasone-ondansetron in preventing PONV.
METHODS: One hundred and twenty patients undergoing laparoscopic surgeries having 2 or more risk factors for PONV (simplified Apfel score) were randomised into 2 groups of 60 each. Patients in group D received 8-mg dexamethasone and 4-mg ondansetron for PONV prophylaxis while those in group M received 2-mg midazolam towards the end of surgery. The proportion of patients (frequency) who had PONV, post-operative nausea (PON) and post-operative vomiting (POV) was noted over 24 hours over the following intervals: 0-2 hours, 2-24 hours and 0-24 hours.
RESULTS: The frequency of PONV at 24 hours in group D and group M was 30% and 33.3% respectively and was not significantly different (P = .70). There was no difference in the time to achieve post-anaesthesia discharge score of ≥9 between the two groups {5 minutes (5, 5) in group D; 5 minutes (1.25, 5) in group M, P = .48}. Ten patients in group D and 11 in group M required a rescue antiemetic over 24 hours (P = .81). The frequency of PON, POV and PONV as well as the median PONV score was similar at all time periods.
CONCLUSION: Midazolam does not result in significantly different frequency of PONV than a combination of dexamethasone-ondansetron.
METHODS: One hundred and twenty patients undergoing laparoscopic surgeries having 2 or more risk factors for PONV (simplified Apfel score) were randomised into 2 groups of 60 each. Patients in group D received 8-mg dexamethasone and 4-mg ondansetron for PONV prophylaxis while those in group M received 2-mg midazolam towards the end of surgery. The proportion of patients (frequency) who had PONV, post-operative nausea (PON) and post-operative vomiting (POV) was noted over 24 hours over the following intervals: 0-2 hours, 2-24 hours and 0-24 hours.
RESULTS: The frequency of PONV at 24 hours in group D and group M was 30% and 33.3% respectively and was not significantly different (P = .70). There was no difference in the time to achieve post-anaesthesia discharge score of ≥9 between the two groups {5 minutes (5, 5) in group D; 5 minutes (1.25, 5) in group M, P = .48}. Ten patients in group D and 11 in group M required a rescue antiemetic over 24 hours (P = .81). The frequency of PON, POV and PONV as well as the median PONV score was similar at all time periods.
CONCLUSION: Midazolam does not result in significantly different frequency of PONV than a combination of dexamethasone-ondansetron.
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