Retrograde ascending aortic dissection diagnosed by intraoperative transesophageal echocardiography. Intermittent bolus versus patient-controlled epidural morphine for postoperative analgesia. Effect of dexamethasone on postoperative emesis and pain. Prostpective and randomized trial of intravenous tenoxicam versus fentanyl and tramadol for analgesia in outpatient extracorporeal lithotripsy. Intravenous Analgesia Lacks Postoperative Morphine Sparing Effect.
Dexamethasone decreases epidural morphine-related nausea and vomiting.
The preoperative administration of intravenous dextromethorphan reduces postoperative morphine consumption. The effective dose of dexamethasone for antiemesis after major gynecological surgery.