Why the study?
Are patients with clinically apparent aspiration during the perioperative period who do not develop symptoms within 2 hours at risk for respiratory sequelae?
Population
Patients with clinically apparent aspiration during the perioperative period
Design
Other
Authors
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Supports limiting observation to 2 h after asymptomatic aspiration; leaves open need for prospective validation before practice change.
Are patients with clinically apparent aspiration during the perioperative period who do not develop symptoms within 2 hours at risk for respiratory sequelae?
Patients with perioperative aspiration who remain asymptomatic for 2 hours are unlikely to develop respiratory complications.
Warner et al. (1993) studied this question.