ArticleBMC infectious diseases2024
Toxoplasma Gondii infection and cardiovascular mortality: sex-specific differences in a United States population-based cohort study.
Article in BMC infectious diseases, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Beyond Latency: ChronicBiomedicines · 2025Review
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Authors and funding
7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundAlthough Toxoplasma gondii (T. gondii) infection has been linked to cardiac injury, the extent to which it increases the risk of cardiovascular disease (CVD) mortality remains unclear. We aimed to assess the association between T. gondii infection and CVD mortality in the United States population.
methodsThis study used data from the National Health and Nutrition Examination Survey (NHANES) conducted between 2009 and 2014 to investigate the association between T. gondii infection and CVD mortality. The T. gondii infection status was determined by measuring serum T. gondii IgG antibody levels. CVD mortality outcomes were ascertained through linkage with the national mortality index records. Cox proportional hazard models were used to estimate the hazard ratios (HRs) and the corresponding 95% confidence intervals (CIs) of T. gondii infection on CVD mortality.
resultsA total of 10,237 (Male, n = 5010; Female, n = 5227) individuals aged ≥ 20 years were included in the analysis, of which 1,632 were positive for T. gondii serum IgG antibodies. After a median follow-up of eight years, there were 312 deaths due to CVD. In multivariable-adjusted analyses, the risk of death from CVD was 40% higher in T. gondii-seropositive men compared with seronegative men (HR: 1.40; 95%CI: 1.02-1.93), but not in women (HR: 0.87; 95% CI: 0.57-1.34). These results remained consistent in further stratified and sensitivity analyses.
conclusionIn this large population-based cohort study, T. gondii infection was associated with an increased risk of CVD mortality in men, but not in women. Further studies are required to elucidate the underlying mechanisms and potential sex-specific differences in the effects of T. gondii infection on CVD mortality. Future investigations should focus on validating these results and exploring the potential implications for cardiovascular risk assessment and management.
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