Journal of clinical anesthesia
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To determine the influence of head and neck elevation beyond the "sniffing position" during difficult direct laryngoscopy. ⋯ Elevation of the head and neck beyond the sniffing position may improve visualization of glottic structures in cases of difficult direct laryngoscopy, leading to better intubation performance.
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To estimate the optimal endotracheal tube (ETT) length in orotracheally intubated patients. ⋯ The optimal insertion length of the ETT for orotracheally intubated adult patients with the head placed in a neutral position is correlated with body height. The proposed formula can provide a useful guide to determine the optimal ETT tip position in most of the patients who required orotracheal intubation.
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Randomized Controlled Trial Clinical Trial
Postoperative nausea and vomiting: comparison of the effect of postoperative meperidine or morphine in gynecologic surgery patients.
To evaluate the incidence and severity of postoperative nausea and vomiting in women receiving postoperative intravenous morphine or meperidine following gynecologic surgery. ⋯ Our study demonstrates an advantage of the use of morphine rather than meperidine for pain control in the immediate postoperative period following gynecologic surgery.
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To investigate whether intraoperative fluid management contributes to postoperative respiratory disturbances in esophagectomy for carcinoma. ⋯ Careful intraoperative fluid administration may decrease postoperative respiratory disturbances.
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Randomized Controlled Trial Clinical Trial
Rapid inhalation induction with 7% sevoflurane combined with intravenous midazolam.
To identify an improved rapid inhalation induction (RII) technique by investigating hemodynamics and heart rate variability of induction with midazolam and RII with 7% sevoflurane in comparison with RII alone. ⋯ The addition of intravenous midazolam 0.1 mg/kg provides more stable hemodynamics, cardiac autonomic nervous system activity, and patient satisfaction in RII with 7% sevoflurane.