Impaired gastric emptying in mechanically ventilated, critically ill patients

ObjectiveTo measure gastric emptying in critically ill patients using an acetaminophen absorption model and determine which variables are associated with impaired gastric emptying.DesignA prospective, cohort study.SettingA medical/surgical ICU at a tertiary care hospital: Hamilton General Hospital, Hamilton, Ontario.Patients and participantsWe recruited 72 mechanically ventilated patients expected to remain in the ICU for more than 48h. Our …