High anti-cytomegalovirus (CMV) IgG antibody titer is associated with coronary artery disease and may predict post-coronary balloon angioplasty restenosis

The American Journal of Cardiology
A BlumH Miller

Abstract

Recent studies have demonstrated that cytomegalovirus (CMV) DNA was found in atherosclerotic coronary arteries in restenotic lesions, and prior infection with CMV could be a strong independent risk factor for restenosis after coronary atherectomy. We studied the correlation between anti-CMV antibody titer and coronary artery disease. Sixty-five patients (50 men and 15 women) with coronary artery disease were enrolled prospectively. All had symptomatic coronary artery disease with an angiographic documentation of a de novo single coronary lesion. All underwent balloon coronary angioplasty and were followed for 12 months with a thallium perfusion scan 3 months after angioplasty. Patients who had recurrent chest pain and/or a positive thallium scan had another coronary angiography. Blood samples were taken before angiography and 1 and 3 months later. Patients with high anti-CMV titer > or = 1:800 had a higher prevalence of coronary artery disease (p <0.001) than seropositive patients with a lower antibody titer (< or = 1:400); patients with high antibody titer (> or = 1:800) had a higher restenosis rate than seropositive patients with a low antibody titer (< or = 1:400) (p <0.05). High antibody titers against CMV (IgG) may be a st...Continue Reading

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