| Comparison between Bolus Injection and Continuous Infusion of Ondansetron on Nausea and Vomiting in Intravenous, Patient-controlled Analgesia after Laparoscopic-assisted Vaginal Hysterectomy using Propofol and Remifentanil Anesthesia. |
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Seok Young Song, Hae Taek Kim, Jin Yong Chung |
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Department of Anesthesiology and Pain Medicine, School of Medicine, Catholic University of Daegu, Daegu, Korea. jychung@cu.ac.kr |
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| Abstract |
BACKGROUND
The aim of this study was to evaluate the effect of continuous infusion of ondansetron compared with bolus injection on the incidence of postoperative nausea and vomiting (PONV) in intravenous, patient-controlled analgesia (PCA).
METHODS
Sixty three women undergoing laparoscopic-assisted vaginal hysterectomy were randomly allocated according to the method of ondansetron administration: bolus injection of ondansetron (8 mg) after the operation (Bolus group, n = 21); continuous infusion after ondansetron (8 mg) mixed to PCA (PCA 8 mix group, n = 22); and continuous infusion after ondansetron (16 mg) mixed to PCA (PCA 16 mix group, n = 20).
The PONV were measured at 1 hr, 6 hr, 24 hr and 48 hr after operation and pain scores (visual analog scale, VAS) were checked.
RESULTS
The incidence of PONV during 48 hr in the Bolus group (23.8%) and PCA 16 mix group (20.0%) were significantly lower than PCA 8 mix group (54.5%) (P < 0.05).
The three groups showed similar VAS pain scores.
CONCLUSIONS
Our results suggest that continuous infusion of ondansetron 16 mg is as effective as a bolus injection of ondansetron (8 mg) at preventing PONV in high-risk patients. |
| Key Words:
continuous infusion; laparoscopic assisted vaginal hysterctomy; ondansetron; patient-controlled analgesia; postoperative nausea and vomiting (PONV) |
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