Smoking and Gastro-oesophageal Reflux

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Abstract
Gastro-oesophageal sphincter pressure and intraoesophageal pH has been studied in 25 chronic smokers who complained of heartburn. Smoking a cigarette invariably caused a fall in sphincter pressure, and pH measurements showed an increased tendency for reflux to occur while smoking. When lower oesophageal pH was measured overnight one-third of all reflux episodes occurred while the patients were smoking, and reflux was seen during the smoking of two-thirds of all the cigarettes consumed. It is concluded that cigarette smoking is a common reversible cause of gastro-oesophageal reflux.