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Patients with headache and functional dyspepsia present meal-induced hypersensitivity of the stomach
Ennio Pucci1, Michele Di Stefano, Emanuela Miceli
1University Centre for Adaptive Disorders and Headache (UCADH), University of Pavia, IRCCS C. Mondino, Via Mondino 2, I-27100 Pavia, Italy. ennio.pucci@mondino.it
Abstract:
Headache is a frequent feature of functional gastrointestinal disorders but there is no data on the responsible pathophysiological mechanism. The aim of this study was to verify whether alteration of post-prandial gastric tone or sensitivity might explain this association. Fourteen patients affected by functional dyspepsia (7 migraine without aura) and 7 healthy volunteers (HV) underwent gastric tone measurement in fasting condition and after the administration of a liquid meal by barostat. Gastric volume (GV) and accommodation were calculated as difference between mean post-prandial and mean fasting volume. Mean postprandial GV increase and fasting perception and discomfort threshold (DTh) were similar among the 3 groups. DTh after meal was lower in dyspeptic headache patients than in HV and dyspeptic without headache patients. Patients with migraine and functional dyspepsia may be characterised by meal-induced hypersensitivity of the stomach.
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