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Clin Cardiol ; 22(2): 85-90, 1999 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-10068844

RESUMO

BACKGROUND: Higher than normal serologic titers and the detection of bacteria within atheroma have suggested an association between Chlamydia pneumoniae (C. pneumoniae) infection and coronary heart disease (CHD), but the relationship has not been well established. HYPOTHESIS: The study was designed to establish a lack of relationship between chronic C. pneumoniae infection and CHD. METHODS: Chlamydia-specific IgG-antibody was assayed using an indirect immunofluorescence test in the serum of 159 patients with severe arterial disease and 203 patients with a heart valve prostheses and no demonstrable CHD. Fatal and nonfatal vascular events and systemic thromboembolism were recorded over a 2-year period. RESULTS: In the arterial group 107 patients (67.3%) and in the valvular group 120/203 (59.1%) were positive for C. pneumoniae antibody. The number of patients with fatal or nonfatal vascular events (double end point) in the arterial and valvular groups was 23 and 2, respectively (p < .0001). Triple end points (fatal plus nonfatal vascular events plus thromboembolism) were also more frequent in the arterial group (p < 0.002). The prevalence of chlamydia antibody positivity was the same in the arterial and valvular groups, and the occurrence of clinical events was also the same for chlamydia-positive (227 patients) as for chlamydia-negative (135 patients). After adjustment for confounding variables, only arterial disease was a predictive factor for double (OR 17.0; 95% CI 3.94-73.3) or triple (OR 3.12; 95% CI 1.56-6.25) end points. CONCLUSION: We find C. pneumoniae chronic infection not to be an independent risk factor for acute or chronic arterial disease.


Assuntos
Infecções por Chlamydia/complicações , Chlamydophila pneumoniae/imunologia , Doença das Coronárias/etiologia , Doença Aguda , Adulto , Idoso , Idoso de 80 Anos ou mais , Anticorpos Antibacterianos/análise , Infecções por Chlamydia/imunologia , Doença Crônica , Doença das Coronárias/imunologia , Feminino , Imunofluorescência , Seguimentos , Humanos , Imunoglobulina G/imunologia , Masculino , Pessoa de Meia-Idade , Prevalência , Prognóstico , Estudos Retrospectivos , Fatores de Risco
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