Abstract
A few studies suggest that hormones play a role in the motility of the lower esophagus, but data is rare. In this prospective study we evaluated the correlation between hormones (TSH, fT3, fT4, calcitonin, gastrin, and VIP) and gastroesophageal reflux disease (GERD), esophageal motility disorders, and gastrointestinal symptoms. 100 consecutive patients with reflux symptoms and dysphagia were hospitalized for diagnostic evaluation. Self-reporting questionnaires were handed out and patients routinely underwent serum analysis (TSH, fT3, fT4, calcitonin, gastrin, and VIP), 24-hour-pH-impendance monitoring, and high-resolution manometry. Motility disorders were found in 38 out of 86 patients. There were no correlations between hormones, the DeMeester Score, and the lower esophageal sphincter pressure. A strong inverse relation between calcitonin and the Integrated Relaxation Pressure of the esophagogastric junction was found (r=-0.492; p<0.001). No correlations were found between hormone levels and the responses given in the questionnaires. Positive correlations, however, were found between VIP and gastrointestinal symptoms, as well as correlations between fT3 and dysphagia. Within the group with minor motility disorders, TSH and fT4 correlated with outcomes of the SCL-questionnaire. fT4 correlated with the typical symptoms, as well as the gastrointestinal symptoms (diarrhea, constipation, flatulence). TSH correlated with the typical symptoms. Moreover, a correlation between VIP and gas-bloat-symptoms was found within group II CONCLUSIONS: No correlation between TSH, fT3, fT4, gastrin, VIP, calcitonin, and GERD in the sense of acid reflux was found, although calcitonin seems to have an effect on the lower esophageal sphincter.
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