• Mike R Shaughnessy and Erik H Hofmeister.
• Veterinary Teaching Hospital, College of Veterinary Medicine, University of Georgia, Athens, GA, USA.
• Vet Anaesth Analg. 2014 Jan 1;41(1):1-13.

ObjectiveThe purpose of this systematic review is to summarize the results of studies which have determined the minimum alveolar concentration (MAC) of isoflurane and sevoflurane in domestic cats.Study DesignSystematic review.AnimalsCats.Methods UsedA comprehensive search of research literature was performed without language restriction. The search utilized the Pubmed, Google Scholar, and CAB Abstracts electronic databases using a combination of free text terms 'Minimum alveolar concentration', 'sevoflurane', 'isoflurane', 'anesthetic', 'cat', 'cats' or 'feline'. The search was conducted from November 2010 to June 2012.ResultsThe MAC for isoflurane ranged from 1.20 ± 0.13% to 2.22 ± 0.35% and the MAC for sevoflurane ranged from 2.5 ± 0.2% to 3.95 ± 0.33%. The average MAC for isoflurane was 1.71 ± 0.07% and for sevoflurane was 3.08 ± 0.4%.Conclusions & Clinical RelevanceThe average MAC for isoflurane was 1.71 ± 0.07% and for sevoflurane was 3.08 ± 0.4%. Methodology differed among studies, and particular attention should be paid in the future to appropriate reporting of methods to allow sound conclusions to be made from the results.© 2013 Association of Veterinary Anaesthetists and the American College of Veterinary Anesthesia and Analgesia.

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