Background and Objectives Postoperative nausea and vomiting after anesthesia is an distressing side effect. This study was undertaken to determine to what extent spinal opioids contribute to postoperative nausea and vomiting (PONV) and secondly to how effectively metoclopramide can reduce the incidence of PONV after intrathecal administration of morphine.
Methods Patients were allocated to three groups all undergoing major joint surgery of the lower limb. In group 1 (n = 200), intrathecal anesthesia was assessed by administration of 20 mg bupivacaïne and 0.2 mg morphine. In Group 2 (n = 100) intrathecal anesthesia was assessed in the same way and in addition, 20 mg metoclopramide intramuscular during maintenence of anesthesia and a second dose of 20 mg metoclopramide was administered intramuscular after arrival at the recovery room. Finally, in group 3 (n = 100), intrathecal anesthesia was assessed after administration of 20 mg bupivacaïne.
Results The maximum PONV percentages were 41.1%, 32.7%, and 37% in groups 1, 2, and 3, respectively. The consumption of antiemetics was similar in all groups. The number of patients who needed one or more additional antiemetics during the first 24 hours after surgery was 112 (56.6%), 57 (58%), and 60 (60%) in groups 1, 2, and 3, respectively.
Conclusions Administration of metoclopramide did not reduce the overall incidence of PONV. Our study shows no relationship between the use of intrathecal morphine and the incidence of PONV during the first 24 hours postoperative.
- intrathecal morphine
- postoperative nausea and vomiting
- major joint surgery
Statistics from Altmetric.com
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.