• A Gasbarrini, A De Luca, G Fiore, M Gambrielli, F Franceschi, V Ojetti, E S Torre, G Gasbarrini, P Pola, and M Giacovazzo.
• Angiology Department, Catholic University, Rome, Italy.
• Hepato Gastroenterol. 1998 May 1;45(21):765-70.

Background/AimsMigraine is a commonly unilateral throbbing headache, which has been associated with disorders of the vascular tone. Helicobacter pylori, the most relevant cause of gastritis and peptic ulcer, has been recently associated with a typical functional vascular disorder such as primary Raynaud phenomenon. The aim of this study was to assess the prevalence of H. pylori for patients affected by migraine and the effects of H. pylori eradication on migraine symptoms.MethodologyTwo-hundred and twenty-five patients were consecutively enrolled between October 1996 and January 1997. H. pylori was assessed by 13C-urea breath test. Infected subjects were eradicated of the bacterium; frequency, intensity and duration of attacks of migraine were assessed during a 6 month follow-up period.ResultsH. pylori was detected in 40% of the patients. Eighty-three percent of the patients who underwent therapy were eradicated. Intensity, duration and frequency of attacks of migraine were significantly reduced in all eradicated patients.ConclusionsH. pylori is common in subjects with migraine. Bacterium eradication causes a significant decrease in attacks of migraine. The reduction of vasoactive substances produced during infection may be the pathogenetic mechanism underlying the phenomenon.

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