Background: there are conflicting data on the association between Helicobacter pylori (HP) infection and cardiovascular diseases. Aim: to determine if there is an association between gastric HP infection and atherosclerosis of cerebral or peripheral arteries in elderly subjects. Methods: 90 dyspeptic elderly subjects had upper gastro-intestinal endoscopy and the gastroduodenal pathology was identified. HP infection was confirmed by gastric histology and the rapid urease test. Vascular ultrasonography of extracranial cerebral arteries and leg arteries was performed to evaluate (i) the presence of an atherosclerotic lesion, (ii) the total length of all plaques documented and (iii) the number of arteries with atherosclerotic lesions. Statistical analysis was by the x 2 test, Yates's corrected x 2 test, the Mann-Whitney test and logistic regression. Results: 59 subjects were HP-positive. These had a higher prevalence of peptic ulcer disease (P = 0.01) and higher serum levels of IgG anti-HP antibodies (P = 0.0001), but no significant differences in the number of atherosclerotic lesions, the total length of the plaques or the number of arteries with lesions. No significant association of HP positivity was found with diabetes mellitus, hypertension, cigarette smoking or coronary heart disease, nor with serum concentrations of HDL-cholesterol, fibrinogen, triglycerides or glucose. Conclusions: elderly dyspeptic subjects with gastric HP infection had significantly more peptic ulcer disease but no more atherosclerotic lesions than those who were HP-negative. Atherosclerosis was not associated with HP infection. In this cross-sectional study of elderly patients with dyspepsia, no association between HP infection and extracardiac atherosclerosis was found.
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