Canadian journal of anaesthesia = Journal canadien d'anesthésie
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Randomized Controlled Trial Multicenter Study
Intraoperative awareness risk, anesthetic sensitivity, and anesthetic management for patients with natural red hair: a matched cohort study.
Red-haired patients show no greater risk of intraoperative awareness than other phenotypes.
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Acute kidney injury (AKI) is a potentially serious complication of cardiac surgery. Anemia and red blood cell (RBC) transfusion have individually been identified as potentially modifiable risk factors, but their interrelationship with AKI has not been clearly defined. The purpose of this study was to explore the interrelationship of preoperative anemia, intraoperative anemia, and RBC transfusion on the day of surgery with AKI in cardiac surgery. ⋯ Preoperative anemia, intraoperative anemia, and RBC transfusion on the day of surgery are interrelated risk factors for AKI after cardiac surgery. Targeting these risk factors may reduce the burden of AKI.
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Erratum to: Can J Anesth/J Can Anesth DOI 10.1007/s12630-014-0299-2 In the article entitled: "Perioperative fellowship curricula in anesthesiology: a systematic review" published Online First and in the print version of the April 2015 issue of the Journal, Can J Anesth 2015; DOI 10.1007/s12630-014- 0299-2, the following note should have been included on the title page: 'This article is accompanied by an editorial. Please see Can J Anesth 2015; 62: this issue.' The publisher apologizes most sincerely for this error.
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Review Meta Analysis Comparative Study
Transtracheal ultrasound for verification of endotracheal tube placement: a systematic review and meta-analysis.
Early confirmation of endotracheal tube placement is of paramount importance to prevent hypoxia and its catastrophic consequences. Despite certain limitations, capnography is considered the gold standard to evaluate the proper placement of an endotracheal tube. Ultrasound is a novel tool with some definitive advantages over capnography. It enables a real-time view and can be performed quickly; furthermore, it is independent of pulmonary blood flow and does not require lung ventilation. In this review, we aimed to evaluate the diagnostic accuracy of transtracheal ultrasound in detecting endotracheal intubation. ⋯ Transtracheal ultrasound is a useful tool to confirm endotracheal intubation with an acceptable degree of sensitivity and specificity. It can be used in emergency situations as a preliminary test before final confirmation by capnography.
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Randomized Controlled Trial
Efficacy of a single dose of dexmedetomidine for cough suppression during anesthetic emergence: a randomized controlled trial.
Maintenance of a remifentanil infusion during anesthetic emergence has been reported to decrease the incidence of coughing and thereby help to ensure a smooth emergence. It may, however, cause respiratory depression and possibly delay emergence. The purpose of this study was to investigate the effect of a single dose of dexmedetomidine combined with a low-dose remifentanil infusion on cough suppression during emergence from general anesthesia. ⋯ Compared with an infusion of low-dose remifentanil alone, the addition of a single dose (0.5 μg·kg(-1)) of dexmedetomidine during emergence from sevoflurane-remifentanil anesthesia was effective in attenuating coughing and hemodynamic changes and did not exacerbate respiratory depression after thyroid surgery. This trial was registered at Clinicaltrial.gov, identifier: NCT01774305.