Journal of clinical anesthesia
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Randomized Controlled Trial Comparative Study
Preoxygenation by 8 deep breaths in 60 seconds using the Mapleson A (Magill), the circle system, or the Mapleson D system.
To investigate the efficacy of preoxygenation by eight deep breaths in 60 seconds with the Mapleson A (Magill) system, the circle anesthesia system, or the Mapleson D system at an oxygen flow of 5 L/min or 10 L/min. ⋯ The 8-deep-breaths in 60 seconds technique at an oxygen flow of 10 L/min can achieve adequate preoxygenation with the Mapleson A (Magill), Mapleson D, and circle anesthesia systems. Suboptimal preoxygenation is obtained with the three systems when the oxygen flow used is 5 L/min.
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Randomized Controlled Trial
Effects of landiolol on QT interval and QT dispersion during induction of anesthesia using computerized measurement.
To examine the effects of landiolol on the QT interval, rate-corrected QT (QTc) interval, QT dispersion (QTD), and rate-corrected QTD (QTcD) during tracheal intubation using computerized measurement. ⋯ A bolus of landiolol 0.125 mg/kg followed by an infusion of landiolol 0.04 mg/kg/min may reduce the risk of cardiac arrhythmias during induction of anesthesia.
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Randomized Controlled Trial Comparative Study
Comparison of the two different auditory evoked potentials index monitors in propofol-fentanyl-nitrous oxide anesthesia.
To determine the difference in performance of two different auditory evoked potentials (AEP) monitors, the A-Line AEP (AAI) and the aepEX, and their indices, during general anesthesia. ⋯ The A-Line AEP (AAI) is better detects the response to painful stimuli and during recovering from noise of electric cautery than the aepEX. The aepEX shows higher values than the AAI during propofol-fentanyl-nitrous oxide anesthesia.
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To characterize the complications reported with intravenous regional anesthesia (IVRA). ⋯ Seizures have been reported with lidocaine at its lowest effective dose (1.5 mg/kg).
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To study the effect of left heart bypass (LHB) on regional pulmonary blood flow and arterial oxygenation during one-lung ventilation (OLV). ⋯ LHB improved pulmonary blood flow to the dependent lung and arterial oxygenation during OLV in descending thoracic aortic surgery.