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The relationship between perioperative nausea and vomiting and serum serotonin concentrations in patients undergoing cesarean section under epidural anesthesia

Authors
Lim B.G.Choi S.-S.Jeong Y.J.Lim Y.J.Kim Y.C.Park K.U.Lee D.K.Mi K.L.
Issue Date
2014
Publisher
Korean Society of Anesthesiologists
Keywords
Cesarean section; Epidural anesthesia; Perioperative nausea and vomiting; Serum serotonin
Citation
Korean Journal of Anesthesiology, v.67, no.6, pp 384 - 390
Pages
7
Indexed
SCOPUS
KCI
Journal Title
Korean Journal of Anesthesiology
Volume
67
Number
6
Start Page
384
End Page
390
URI
https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/9853
DOI
10.4097/kjae.2014.67.6.384
ISSN
2005-6419
2005-7563
Abstract
Background: Serotonin-also known as 5-hydroxytryptamine or 5-HT-can induce nausea and vomiting (NV) by peripheral mechanisms via the activation of 5-HT3 receptors. In this study, we observed perioperative N V, including intraoperative N V, and changes in serum 5-HT concentrations. We evaluated the relationship between perioperative NV and serum 5-HT levels in patients undergoing cesarean section under epidural anesthesia, and carried out a pilot study to determine if further studies on a larger scale were justifed. Methods: Twenty-eight patients who were scheduled for cesarean section under epidural anesthesia were included in the study. Patients were assigned to 2 groups according to the occurrence of NV after induction, i.e., an NV-positive or an NV-negative group. Serum 5-HT concentrations were measured before induction, at the time that NV occurred (in the case of the NV-positive group) or 5 min after the umbilical cord clamping (in the case of the NV-negative group) during surgery, and at 2 h postoperatively. Results: NV occurred in 10 of the 28 patients. No significant differences in serum 5-HT concentrations were found within or between the two groups. Conclusions: Tis study suggests that there is no correlation between serum 5-HT concentration and the occurrence of perioperative NV in patients undergoing cesarean section under epidural anesthesia, and the findings do not seem to support further investigations regarding a possible relationship between serum 5-HT concentration and perioperative NV. © The Korean Society of Anesthesiologists, 2014.
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