European journal of anaesthesiology
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Randomized Controlled Trial Comparative Study Clinical Trial
Comparison of anti-emetic effects of ondansetron, metoclopromide or a combination of both in children undergoing surgery for strabismus.
This prospective, randomized and double-blinded study was designed to evaluate the anti-emetic efficacy of a combination of ondansetron and metoclopramide in 100 ASA physical status I and II children of either sex and 1-15 years of age undergoing elective surgery for strabismus. A standardized anaesthetic technique and post-operative analgesia were used for all the children. Children were divided into four groups. ⋯ None of the patients in the combination group required rescue anti-emetic and this was significantly less (P < 0.01) when compared with the placebo and the metoclopramide groups. Recovery and sedation scores were comparable in all the four groups. A combination of metoclopramide 150 micrograms kg-1 and ondansetron 100 micrograms kg-1 administered prior to surgery was not found to be more effective than ondansetron 150 micrograms kg-1 alone for the prophylaxis of nausea and vomiting following surgical repair of strabismus in paediatric patients.
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Randomized Controlled Trial Comparative Study Clinical Trial
Remifentanil, propofol or both for conscious sedation during eye surgery under regional anaesthesia.
We performed a prospective, randomized study comparing the efficacy and safety of remifentanil, propofol or both for conscious sedation during eye surgery under retrobulbar blockade. Forty-five unpremedicated patients were assigned to receive remifentanil (group R) (n = 15, mean dosage: 0.05 +/- 0.03 microgram kg-1 min-1), propofol (group P) (n = 15, 1.5 +/- 0.5 mg kg-1 h-1) or a combination (group RP) (n = 15, R: 0.03 +/- 0.01 microgram kg-1 min-1; P: 0.7 +/- 0.2 mg kg-1 h-1). Haemodynamic responses were comparable among all groups. ⋯ In group RP, 60% of patients experienced no pain and the remaining 40% reported mild pain only. Remifentanil, applied as the sole agent, provided superior pain relief and patient comfort when compared with propofol, but produced greater respiratory depression and postoperative nausea. The combination of remifentanil and propofol provided haemodynamic stability, adequate spontaneous respiration and pain relief, with a low risk of untoward side effects.
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Comment Letter Randomized Controlled Trial Clinical Trial
Tropisetron or ondansetron for the prevention of post-operative nausea and vomiting (PONV)
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Randomized Controlled Trial Multicenter Study Comparative Study Clinical Trial
Ondansetron is more effective than metoclopramide for the treatment of opioid-induced emesis in post-surgical adult patients. Ondansetron OIE Post-Surgical Study Group.
Nausea and vomiting are common side effects of opioids administered for pain control. This double-blind, randomized, parallel-group study evaluated the anti-emetic efficacy and tolerability of single intravenous (i.v.) doses of ondansetron 8 mg, ondansetron 16 mg and metoclopramide 10 mg in the treatment of opioid-induced emesis. Adult patients undergoing low emetogenic surgical procedures, using a standardized anaesthesia regimen were assessed for 24 h following administration of study anti-emetic to treat established post-surgical opioid-induced emesis. ⋯ There were no significant differences between the two ondansetron groups. All three treatments were well tolerated. In conclusion, this large, multicentre study demonstrates that ondansetron is more effective than metoclopramide in the treatment of opioid-induced emesis following administration of post-surgical opioids to control pain.
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Randomized Controlled Trial Clinical Trial
Prevention of post-operative nausea and vomiting with combined granisetron and droperidol in women undergoing thyroidectomy.
We have compared the efficacy and safety of combined granisetron and droperidol with each anti-emetic alone for preventing post-operative nausea and vomiting after thyroidectomy. In a prospective, randomized, double-blind study, 180 women received granisetron 40 micrograms kg-1, droperidol 20 micrograms kg-1, or granisetron 40 micrograms kg-1 plus droperidol 20 micrograms kg-1 (n = 60 of each) intravenously immediately before induction of anaesthesia. ⋯ No clinically important adverse events due to the drugs were observed in any of the groups. In summary, prophylactic use of combined granisetron and droperidol is more effective than each drug alone for the prevention of post-operative nausea and vomiting in female patients undergoing thyroidectomy.