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BACKGROUND: The role of Helicobacter pylori as a determinant of cardiovascular disease is controversial. OBJECTIVE: To determine whether previous exposure to H. pylori is associated with an increased risk for myocardial infarction. DESIGN: Prospective case-control study. SETTING: Physicians' Health Study. PARTICIPANTS: Initially healthy U.S. men. MEASUREMENTS: Titers of IgG antibody against H. pylori and several inflammatory markers were measured in baseline blood samples obtained from 445 men who subsequently had a myocardial infarction (case-patients) and 445 men matched for age and smoking status who remained free of vascular disease (controls) during a mean follow-up of 8.9 years. RESULTS: Baseline seropositivity was similar among case-patients and controls (43.4% vs. 44.3%; rate ratio, 0.96 [95% CI, 0.7 to 1.3]). Minimal evidence of association was found between magnitude of seropositivity and subsequent risk and between seropositivity and levels of the inflammatory biomarkers. CONCLUSION: In a socioeconomically homogeneous population, we found limited evidence of association between H. pylori exposure and risk for future myocardial infarction.

Type

Journal article

Journal

Ann Intern Med

Publication Date

07/08/2001

Volume

135

Pages

184 - 188

Keywords

Biomarkers, Case-Control Studies, Confounding Factors (Epidemiology), Helicobacter Infections, Helicobacter pylori, Humans, Immunoglobulin G, Male, Myocardial Infarction, Prospective Studies, Risk Factors, Socioeconomic Factors, Time Factors