Clinical Research Directory

Esophageal Manometry During Recovery From Endotracheal Intubation

Sponsor: University of California, San Francisco

Summary

1. An intact pharyngoesophageal reflex is essential to protect the upper airway from aspiration of either mouth contents or regurgitated gastric refluxate. This reflex is essential at protecting the airway in all patients. 2. In patients, while under medication to tolerate endotracheal intubation, it is postulated that an identifiable upper esophageal sphincter and esophageal peristalsis are not present. 3. With the cessation of anesthetics, accompanied by the reversal of nerve block, normal pharyngoesophageal peristaltic activity correlates with awakening the patient from anesthesia. This would be identified by the performance of esophageal manometry. 4. A return of normal verbally stimulated pharyngoesophageal swallowing sequence accurately identifies a safe time to remove endotracheal tubes and/or reverse anesthesia. This verbally stimulated swallowing sequence correlated precisely with the return of objective pharyngoesophageal function.

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