Journal of clinical anesthesia
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Randomized Controlled Trial
The effect of additional propofol on intubation conditions.
To evaluate whether an additional dose of propofol prior to intubation improves intubation conditions. ⋯ Administration of an additional dose of propofol (0.5 mg/kg) prior to intubation may significantly improve intubation conditions without increasing the frequency of hypotension.
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To determine if repeated performance of endotracheal tube insertion via the intubating laryngeal airway (ILA) would shorten insertion time in mannequins. ⋯ Total intubation time decreased by 34% (92.6 to 60.8 sec) over the 5 attempts in mannequins. The success rate ranged from 84.6% to 90.8% and did not differ significantly over the 5 attempts.
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The case of a patient who suffered a seizure following a nerve stimulator-guided coracoid infraclavicular brachial plexus block, is reported. Following the seizure, an ultrasound machine was used to image the patient's infraclavicular region, which showed an anatomical variation in the position of the axillary vein relative to the axillary artery. The use of ultrasound in regional anesthesia provides additional safety information beyond nerve stimulation, which may help decrease the likelihood of such complications.
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Randomized Controlled Trial
Accidental venous and dural puncture during epidural analgesia in obese parturients (BMI > 40 kg/m2): three different body positions during insertion.
To assess the frequency of blood vessel punctures in morbidly obese parturients [body mass index (BMI) > 40 kg/m(2)] during epidural catheterization, in three different body positions. ⋯ Adoption of the lateral recumbent head-down position for the performance of lumbar epidural blockade in labor at term reduces the frequency of lumbar epidural venous puncture in obese parturients (BMI > 40 kg/m(2)).
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To investigate whether jugular bulb venous oxygen saturation (SjO(2)) values increased with induced hypercapnia or induced hypertension during propofol-based anesthesia for one-lung ventilation (OLV). ⋯ Hypercapnia, not hypertension, significantly improved cerebral oxygen balance without observed side effects during propofol anesthesia.