Abstract
Twenty-nine female patients with definite or classical rheumatoid arthritis (RA) and 30 controls were investigated in order to evaluate oral symptoms, particularly xerostomia, and swallowing difficulties in RA by means of a questionnaire, physical examination, stimulated saliva secretion, labial salivary gland biopsy, esophageal manometry and laboratory blood tests. Xerostomia was reported by 6 patients (21%), compared with no-one in the control group. Four of these 6 patients had decreased stimulated saliva secretion, compared with 2 of the remaining 23 patients. Dysphagia was experienced by 8 patients (28%), compared with one control subject. Dysphagia was associated with disease severity. Esophageal manometry revealed a decrease of the amplitude of the peristaltic pressure complex in the proximal part of esophagus in the RA group, indicating dysfunction of the striated muscles. No correlation was found between dysphagia and esophageal manometry results.
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