Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study

Background. Postoperative nausea and vomiting (PONV) is a common problem and may lead to catastrophic complications, especially in neurosurgical cases. The aim of this study was to evaluate the effects of dexamethasone and ondansetron for preventing PONV in patients who underwent microvascular decom...

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Main Authors: Cattleya Thongrong, Patitha Chullabodhi, Pornthep Kasemsiri, Amnat Kitkhuandee, Narin Plailaharn, Lumyai Sabangban, Thirada Jimarsa
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Anesthesiology Research and Practice
Online Access:http://dx.doi.org/10.1155/2018/6297362
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author Cattleya Thongrong
Patitha Chullabodhi
Pornthep Kasemsiri
Amnat Kitkhuandee
Narin Plailaharn
Lumyai Sabangban
Thirada Jimarsa
author_facet Cattleya Thongrong
Patitha Chullabodhi
Pornthep Kasemsiri
Amnat Kitkhuandee
Narin Plailaharn
Lumyai Sabangban
Thirada Jimarsa
author_sort Cattleya Thongrong
collection DOAJ
description Background. Postoperative nausea and vomiting (PONV) is a common problem and may lead to catastrophic complications, especially in neurosurgical cases. The aim of this study was to evaluate the effects of dexamethasone and ondansetron for preventing PONV in patients who underwent microvascular decompression (MVD) surgery. Methods. A prospective, double-blinded, randomized control trial was conducted with 54 patients who underwent MVD. Patients were allocated into two groups. The study group (Gr. D) received intraoperative dexamethasone 4 mg iv and ondansetron 4 mg iv, whereas the control group (Gr. N) received placebo (0.9% normal saline 1 ml iv and 0.9% normal saline 2 ml iv). The incidence and severity of PONV were observed at 1, 2, 4, and 24 hr postsurgery. Results. At 1, 2, 4, and 24 hr postsurgery, Gr. D had a lower incidence (7.4%, 11.1%, 29.6%, and 66.7%) and lower severity of PONV than Gr. N (18.5%, 29.6%, 37.0%, and 81.5% at 1, 2, 4, and 24 hr; p>0.05). The requirement for antiemetic drugs was not significantly different between the groups (p>0.05). Conclusion. Administration of dexamethasone and ondansetron 4 mg seemed to decrease the incidence of PONV in the first 24 hours but not significantly. Therefore, further studies are to be carried out by escalating either dexamethasone dose or the dose of ondansetron or both.
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spelling doaj-art-294d05c076d54db3b1ebd01fe83a38d12025-02-03T06:01:04ZengWileyAnesthesiology Research and Practice1687-69621687-69702018-01-01201810.1155/2018/62973626297362Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled StudyCattleya Thongrong0Patitha Chullabodhi1Pornthep Kasemsiri2Amnat Kitkhuandee3Narin Plailaharn4Lumyai Sabangban5Thirada Jimarsa6Department of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandDepartment of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandDivision of Skull Base Surgery, Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandDivision of Neurosurgery, Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandDepartment of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandDepartment of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandDepartment of Anesthesiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, ThailandBackground. Postoperative nausea and vomiting (PONV) is a common problem and may lead to catastrophic complications, especially in neurosurgical cases. The aim of this study was to evaluate the effects of dexamethasone and ondansetron for preventing PONV in patients who underwent microvascular decompression (MVD) surgery. Methods. A prospective, double-blinded, randomized control trial was conducted with 54 patients who underwent MVD. Patients were allocated into two groups. The study group (Gr. D) received intraoperative dexamethasone 4 mg iv and ondansetron 4 mg iv, whereas the control group (Gr. N) received placebo (0.9% normal saline 1 ml iv and 0.9% normal saline 2 ml iv). The incidence and severity of PONV were observed at 1, 2, 4, and 24 hr postsurgery. Results. At 1, 2, 4, and 24 hr postsurgery, Gr. D had a lower incidence (7.4%, 11.1%, 29.6%, and 66.7%) and lower severity of PONV than Gr. N (18.5%, 29.6%, 37.0%, and 81.5% at 1, 2, 4, and 24 hr; p>0.05). The requirement for antiemetic drugs was not significantly different between the groups (p>0.05). Conclusion. Administration of dexamethasone and ondansetron 4 mg seemed to decrease the incidence of PONV in the first 24 hours but not significantly. Therefore, further studies are to be carried out by escalating either dexamethasone dose or the dose of ondansetron or both.http://dx.doi.org/10.1155/2018/6297362
spellingShingle Cattleya Thongrong
Patitha Chullabodhi
Pornthep Kasemsiri
Amnat Kitkhuandee
Narin Plailaharn
Lumyai Sabangban
Thirada Jimarsa
Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study
Anesthesiology Research and Practice
title Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study
title_full Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study
title_fullStr Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study
title_full_unstemmed Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study
title_short Effects of Intraoperative Dexamethasone and Ondansetron on Postoperative Nausea and Vomiting in Microvascular Decompression Surgery: A Randomized Controlled Study
title_sort effects of intraoperative dexamethasone and ondansetron on postoperative nausea and vomiting in microvascular decompression surgery a randomized controlled study
url http://dx.doi.org/10.1155/2018/6297362
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