Journal of clinical anesthesia
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Randomized Controlled Trial Comparative Study Clinical Trial
The influence of preemptive spinal anesthesia on postoperative pain.
To examine the influence of spinal anesthesia on postoperative pain and postoperative opioid requirements. ⋯ Preoperative neural blockade may reduce postoperative analgesic requirements.
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To evaluate the efficacy of tropisetron, a selective 5-HT(3) receptor antagonist, in preventing nausea and vomiting in high-risk inpatients undergoing various surgical procedures. ⋯ Prophylactic tropisetron can reduce the incidence of PONV in selected high-risk inpatients undergoing various types of surgical procedures.
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Case Reports Clinical Trial
Noninvasive ventilation using bilevel positive airway pressure to treat impending respiratory failure in the postanesthesia care unit.
The author presents the use of noninvasive positive pressure ventilation using bilevel positive airway pressure (BiPAP) to treat respiratory insufficiency and hypoxemia in three patients in the postanesthesia care unit. BiPAP improved respiratory function with a decreased respiratory rate, decreased PaCO2, and improved oxygenation in the three patients. The applications of these techniques and equipment required are reviewed.
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To investigate the effect of xenon on the endotracheal tube cuff in comparison to that of nitrous oxide. ⋯ Increase in pressure and gas volume was significantly less and slower with xenon than with nitrous oxide. More nitrous oxide passes into the cuff than xenon.
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To assess the effects of implementing an ambulatory and same-day surgery preoperative evaluation patient triage system over a 3-year period. ⋯ Efficient, cost-effective patient care can be provided by using this preoperative evaluation model. Some institutions may find portions of this preoperative model applicable to their current situation.