Journal of anesthesia
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Journal of anesthesia · Jun 2012
Case ReportsCase report: central venous catheterization via internal jugular vein with associated formation of perioperative venous thrombosis during surgery in the prone position.
An unusual case of central venous catheter (CVC)-related thrombosis during supine surgery in the prone position is presented. A 76-year-old woman was scheduled for elective surgery to repair a broken lumbar instrument. A single-lumen CVC was inserted via the right internal jugular vein. ⋯ The presence of the internal jugular venous catheter may have created thrombogenic conditions. A patient's position during surgery can reduce deep venous-flow velocity, and venous blood may stagnate, contributing greatly to thrombogenicity. We should consider a patient's position during surgery as a risk factor for thrombus formation, and a careful preoperative evaluation should be made as to which route should be chosen for CVC.
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Journal of anesthesia · Jun 2012
Randomized Controlled TrialTarget controlled remifentanil infusion for smooth laryngeal mask airway removal during emergence from desflurane-remifentanil anesthesia.
Administration of remifentanil can be a reliable method for preventing airway reflex responses during emergence. We therefore investigated the effect of maintaining target controlled infusion (TCI) of remifentanil for smooth cLMA removal during emergence from desflurane-remifentanil anaesthesia. ⋯ Maintaining effect-site TCI of remifentanil at 1.5 ng/ml during emergence from anaesthesia enabled smooth removal of cLMA without any delay in recovery time.
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Journal of anesthesia · Jun 2012
Auditory evoked potential index does not correlate with observer assessment of alertness and sedation score during 0.5% bupivacaine spinal anesthesia with nitrous oxide sedation alone.
The aim of this study was to evaluate the auditory evoked potential (AEP) index as a hypnosis monitor during nitrous oxide (N(2)O) sedation added to spinal analgesia. ⋯ The AEP index might not be a suitable indicator of light hypnosis as defined by an OAA/S score of ≥3 during sedation with N(2)O alone.