Abstract
The purpose of this study is to determine if frequent reflux events from an incompetent LES or poor clearance from decreased peristalsis is the predominant abnormality in PSS patients with severe reflux esophagitis. Seven patients with both classic manometric findings of PSS and endoscopic findings of esophageal ulcerations and/or Barrett's esophagus were compared to nine patients with similar endoscopic findings but with no evidence of a connective tissue disorder. All patients underwent simultaneous intraesophageal pH monitoring and scintigraphy for a total of 40 min after a radiolabeled meal. Four of the PSS patients and all the non-PSS patients had simultaneous manometry. We found that PSS patients had significantly fewer reflux events (P<0.01), but the reflux events had significantly longer duration (P<0.01) compared to patients with similar severity of esophagitis and no connective tissue disease. We conclude that decreased smooth muscle peristalsis appears to be the primary contributor to acid exposure and esophageal injury in PSS.
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The opinions and assertions contained herein are the private views of the authors and are not to be construed as official or as reflecting the views of the Department of the Army or the Department of Defense.
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Murphy, J.R., McNally, P., Peller, P. et al. Prolonged clearance is the primary abnormal reflux parameter in patients with progressive systemic sclerosis and esophagitis. Digest Dis Sci 37, 833–841 (1992). https://doi.org/10.1007/BF01300380
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DOI: https://doi.org/10.1007/BF01300380