The records of 5736 general anaesthetics were reviewed to estimate the prevalence of, and identify the risk factors for, the development of regurgitation during anaesthesia in dogs. Regurgitation was defined as the observed passive passage of gastric contents into the oropharynx. Several variables were evaluated using univariable and multivariable logistic regression analysis: breed, body mass, age, sex, type of procedure, expertise of anaesthetist, ASA status, drugs administered, length of surgery and anaesthesia and local techniques performed.
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Cristina de Miguel Garcia (2013) studied this question.
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