Initially, they intended to develop a tool to objectively assign an operative risk and establish a prognostic. Their first task was to specify arbitrary definitions of numerous variables in order to establish standard terms and a common language. were requested by the ASA to build a system that would allow retrieving statistical data in anesthesia ( 1). Its creation dates from 1941, when Saklad et al. The higher ASA PS appears to be related to a worse outcome of anesthesia. The American Society of Anesthesiologists (ASA) physical status (PS) consists of a classification system to assess a patient's physical status. In addition, the analysis showed that dogs and cats with ASA PS â¥III had 2.34 times the risk of developing severe hypothermia during anesthesia (95% CI = 1.82â3.01).Ĭonclusions: The simple and practical ASA PS was shown to be a valuable prognostic tool and can be recommended to identify an increased risk of anesthetic mortality until 24â72 h after anesthesia, and a greater risk of development severe intraoperative hypothermia. The analysis found consistency between the studies showing that dogs, cats and rabbits with an ASA-PS â¥III had 3.26 times (95% CI = 3.04â3.49), 4.83 times (95% CI = 3.10â7.53), and 11.31 times (95% CI = 2.70â47.39), respectively, the risk of anesthesia-related death within 24 h (dogs) and 72 h (cats and rabbits) after anesthesia compared with those with an ASA PS A total of 15 observational prospective and retrospective studies including 258,298 dogs, cats, rabbits, and pigs were included. Methods: Research articles found through a systematic literature search were assessed for eligibility, and data were extracted and analyzed using random-effects analysis. In this systematic review, we aimed to analyze studies associating the ASA PS scores with the outcome of anesthesia and to verify whether there was any evidence for recommending the use of the ASA PS in veterinary patients. 3Anesthésiologie et Réanimation Vétérinaires, Département de Clinique des Animaux de Compagnie et des Ãquidés, Université de Liège, Liège, BelgiumÄ«ackground: The effectiveness of the American Society of Anesthesiologists (ASA) Physical Status (PS) classification to identify the animals at a greater risk of anesthesia-related death and complications is controversial.2Univ Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Bron, France.
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