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Authors: Francesco Zarantonello, M.D. et al Anesthesiology September 2022, Vol. 137, 327–339. Background The mechanisms underlying oxygenation improvement after prone positioning in COVID-19 acute respiratory distress syndrome have not been fully elucidated yet. The authors hypothesized that the oxygenation increase with prone positioning is secondary to the improvement of ventilation-perfusion matching. Methods In a series of […]
Read MoreAuthors: Mats Enlund, M.D., Ph.D. et al Anesthesiology September 2022, Vol. 137, 315–326. Background Several retrospective studies using administrative or single-center data have failed to show any difference between general anesthesia using propofol versus inhaled volatiles on long-term survival after breast cancer surgery. Although randomized controlled trials are ongoing, validated data from national clinical registries may advance the […]
Read MoreCardiac Anesthesiologist All modes will require setting positive end-expiratory pressure (PEEP). PEEP represents the lowest airway pressure that the lung will be allowed to fall to on end exhalation. It is commonly misunderstood as pushing air back into the lung on exhalation, when in fact it is more akin to providing a bottom limit to the […]
Read MoreAuthors: Mary Lyn Stein, M.D. et al Anesthesiology August 2022. To the Editor: We read with interest the 2022 America Society of Anesthesiologists Practice Guidelines for Management of the Difficult Airway by Apfelbaum et al. We applaud the authors’ efforts and, in particular, the inclusion of a pediatric-specific algorithm for the first time. We question the […]
Read MoreAuthor: James R. Nielsen, F.A.N.Z.C.A. et al Anesthesiology August 2022. To the Editor: The new American Society of Anesthesiologists (ASA) Difficult Airway Guidelines shift a paradigm on mask ventilation: the definition of difficulty now emphasizes patient outcome. Previous literature focused on the complexity of this procedure for the clinician—as the word “difficulty” implies. The ASA update rightly redirects […]
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