• Yosuke Mori and Hiroyuki Sumikura.
• Masui. 2016 Jan 1; 65 (1): 42-9.

AbstractPulmonary aspiration of gastric or esophageal contents is uncommon; however, it is one of the most severe complications in the perioperative period. The aspiration is associated with possible clinical outcomes, ranging from mild asymptomatic limited episodes of bronchial injury up to the development of a severe acute respiratory distress syndrome. To reduce the incidence of pulmonary aspiration, rapid sequence induction and intubation and awake tracheal intubation are commonly chosen anesthetic techniques for the management of patients at risk of aspiration of gastric or esophageal contents. Although there have been innumerable reports that describe prophylaxis of pulmonary aspiration, currently, there is insufficient evidence to prevent passive regurgitation in at-risk anesthetized patients. Some techniques to prevent pulmonary aspiration entered medical practice on a limited evidence base, but with common sense supporting its use. Properly applied techniques are probably effective at preventing regurgitation in the perioperative period although more randomized controlled trials are awaited to confirm this. Pulmonary aspiration should be prevented using multidisciplinary techniques and considerations that have been shown to improve effectiveness of prophylaxes. However, further research is necessary to support this strategy.

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