Persistent Gastroesophageal Reflux Induced during Prolonged Gastric Intubation

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Abstract
PROLONGED gastric intubation may be a factor in the development of peptic esophagitis and stricture in some patients, but whether acid reflux into the esophagus is the primary mechanism is uncertain. A previous study utilizing cineradiographic technics showed no reflux of barium into the esophagus during short-term gastric intubation.1 In contrast, this study of simultaneously recorded intraluminal esophageal pressures and pH reports that gastric acid is refluxed and maintained in the distal esophagus during prolonged gastric intubation under certain conditions.Methods and ResultsThree water-filled polyethylene catheters, each with an internal diameter of 1.5 mm., were fastened together and sealed . . .

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