Journal of clinical anesthesia
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Randomized Controlled Trial Clinical Trial
Heated breathing tubes affect humidity output of circle absorber systems.
To verify whether the airway climate in circle systems can be improved with heated breathing tubes. ⋯ Low-flow systems need at least 120 minutes to achieve a satisfactory airway climate. Heated breathing tubes effectively reduce this delay.
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To determine whether nitrogen insufflation reduces the laser-induced combustibility of polyvinyl chloride (PVC) endotracheal tube cuffs. ⋯ Nitrogen insufflation decreases CO2 laser-induced PVC endotracheal tube cuff combustibility. However, clinical applications of this technique should be undertaken with caution, as the administration of a hypoxic mixture may be possible.
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To examine the anesthetic gas leakage and prelaryngeal position of the laryngeal mask airway (LMA). ⋯ The LMA is a new airway management technique with good qualities of tightness and ventilation conditions. However, contraindications such as patients with a full stomach, intra-abdominal surgery, high peak airway pressure, prolonged operation, and an inexperienced anesthesiologist apply.
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Randomized Controlled Trial Clinical Trial
The effect of ondansetron on atracurium-induced neuromuscular blockade.
To determine whether treatment with ondansetron, a new antiemetic drug, affects nondepolarizing neuromuscular blockade. ⋯ Ondansetron is an antiemetic drug that can be used in the perioperative period without concern for potentiation of nondepolarizing neuromuscular blockade, change in atracurium maintenance dose, or change in rate of neostigmine-induced recovery from neuromuscular blockade with atracurium.