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Authors: Klaus Ulrik Koch, M.D., Ph.D. and Mads Rasmussen, M.D., Ph.D. Anesthesiology May 2022, Vol. 136, 868. In Reply: We thank Bombardieri and Tsui1 for their excellent comments and interest in our study.2 We agree with Bombardieri and Tsui that the deterioration of microperfusion and possibly tissue oxygenation after phenylephrine administration in the “healthy” brain hemisphere2 indicates that different vasopressors […]
Read MoreAuthors: Rebecca M. Pullon, Ph.D. et al Anesthesiology March 2022, Vol. 136, 420–433. Background The wakeful brain can easily access and coordinate a large repertoire of different states—dynamics suggestive of “criticality.” Anesthesia causes loss of criticality at the level of electroencephalogram waveforms, but the criticality of brain network connectivity is less well studied. The authors […]
Read MoreAuthors: Cecilie Holse, M.D. et al Anesthesiology March 2022, Vol. 136, 408–419. Background Hyperoxia and oxidative stress may be associated with increased risk of myocardial injury. The authors hypothesized that a perioperative inspiratory oxygen fraction of 0.80 versus 0.30 would increase the degree of myocardial injury within the first 3 days of surgery, and that an antioxidant […]
Read MoreAuthors: Amr E. Abouleish, M.D., M.B.A. et al Anesthesiology May 2022, Vol. 136, 864–865. To the Editor: We read with great interest the review article on the American Society of Anesthesiologists (ASA; Schaumburg, Illinois) Physical Status Classification System by Horvath et al. The review presents in excellent detail the origin, evolution, and current state of the ASA […]
Read MoreAuthors: David N. Flynn, M.D., M.B.A. et al Anesthesiology May 2022, Vol. 136, 865–866. To the Editor: We read with interest the review of the American Society of Anesthesiologists (ASA; Schaumburg, Illinois) Physical Status Classification System by Horvath et al. The authors provided an overview of the ASA Physical Status system; however, one use of the ASA […]
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