Population
166,491 anesthesia records in adults
Design
Retrospective observational study
Authors
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Reassures low aspiration risk in elective anesthesia; leaves open targeted prevention of induction regurgitation progression.
Perioperative pulmonary aspiration and regurgitation are rare events, particularly in elective cases, but regurgitation during induction carries a high risk of progressing to aspiration.
Sun et al. (2021) studied this question.
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