Effect of Dexamethasone Combined With Ondansetron on Postoperative Nausea and Vomiting in Patients With Patient-controlled Analgesia After Video-assisted Thoracoscopic Surgery
The purpose of this study is to study the effect of dexamethasone combined with ondansetron on postoperative nausea and vomiting in patients with patient-controlled analgesia after video-assisted thoracoscopic surgery.
|Study Design:||Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Prevention
- Incidence of postoperative nausea and vomiting [ Time Frame: within 48 hrs after surgery ] [ Designated as safety issue: No ]
|Study Start Date:||September 2009|
|Study Completion Date:||September 2010|
|Primary Completion Date:||July 2010 (Final data collection date for primary outcome measure)|
Drug: Dexamethasone, Ondansetron
Experimental: Dexamethasone 8 mg IV after induction of anesthesia, Ondansetron 4 mg IV at the end of surgery and 12 mg mix to intravenous patient controlled analgesia device.
Active comparator: Ondansetron 4 mg IV at the end of surgery and 12 mg mix to intravenous patient controlled analgesia device.