Canadian Journal of Anaesthesia

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PURPOSE: Early postoperative mobilization can be hindered by orthostatic intolerance (OI). Postoperative OI has multifactorial pathogenesis, possibly involving both postoperative hypovolemia and autonomic dysfunction. We aimed to investigate the effect of mild acute blood loss from blood donation simulating postoperative hypovolemia, on both autonomic function and OI, thus eliminating confounding perioperative factors such as inflammation, residual anesthesia, pain, and opioids. METHODS: This prospective observational cohort study included 26 blood donors...

PURPOSE: Right ventricle (RV) assessment is critical during cardiac surgery. Traditional assessment consists of visual estimation and measurement of validated parameters. Cardiac magnetic resonance imaging (cMRI) is the gold standard for RV analysis, and transthoracic three-dimensional (3D) echocardiography is validated against this. We aimed to show that intraoperative 3D transesophageal echocardiography (TEE) RV assessment is feasible and can produce results that correlate with cMRI...

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PURPOSE: We aimed to describe the ethical issues encountered by health care workers during the first COVID-19 outbreak in French intensive care units (ICUs), and the factors associated with their emergence. METHODS: This descriptive multicentre survey study was conducted by distributing a questionnaire to 26 French ICUs, from 1 June to 1 October 2020. Physicians, residents, nurses, and orderlies who worked in an ICU during the first COVID-19 outbreak were included...

PURPOSE: Whether changing the institutional practice from general anesthesia (GA) to monitored anesthesia care (MAC) affects postoperative quality of recovery for oncoplastic breast-conserving surgery (BCS) is currently unknown. We designed this quasi-experimental study to evaluate a quality improvement (QI) initiative instituted in Edmonton, AB, Canada. METHODS: We chose a prospective controlled cohort study design for this QI study, where patients underwent oncoplastic BCS under MAC in one hospital and BCS under GA at another hospital (control)...

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PURPOSE: Peripartum pain has been associated with postpartum depression (PPD), and labour epidural analgesia (LEA) may be able to modify this risk. The objective of this historical cohort study was to examine the association between LEA and PPD among primiparous patients. METHODS: With institutional research ethics board approval, a provincial perinatal database was searched for primiparous patients who delivered a liveborn singleton infant between 2004 and 2018...

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PURPOSE: Diversion of controlled substances in the perioperative setting is an ongoing challenge, with consequences for patients, anesthesiologists, perioperative staff, and health care facilities alike. Perioperative environments are at high risk for diversion, since controlled substances are frequently handled in these settings, with varying levels of oversight. In this narrative review, we summarize strategies for preventing diversion of controlled substances in perioperative settings (i...

PURPOSE: Although the Enhanced Recovery After Cesarean Delivery (ERAC) consensus statement provides recommendations for early postoperative drinking and eating, evidence from high-quality clinical research directly addressing parturients is sparse. Our objective was to assess if early oral carbohydrate intake after elective Cesarean delivery improves maternal recovery. METHODS: In this randomized controlled trial, we enrolled parturients undergoing elective Cesarean delivery under spinal anesthesia with tympanic membrane temperatures ≤ 36...

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No abstract text is available yet for this article.

No abstract text is available yet for this article.

No abstract text is available yet for this article.

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PURPOSE: Memsorb™ is a novel device for carbon dioxide (CO2 ) removal from anesthesia circuits via a semipermeable polymeric membrane. We evaluated the performance of the memsorb device for the removal of CO2 in an Aisys™ CS2 machine and compared it with a standard chemical granulate absorber (CGA) using a high-fidelity lung simulator. METHODS: We used an in vitro lung simulator (DUCt) to control CO2 release by imitating alveolar gas exchange. The ventilator settings were identical for all measurements...