SynthesisFrontiers in public health2025
Relationship between lead exposure and different types of hypertension: systematic review and dose-response meta-analysis.
Synthesis in Frontiers in public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Background: This systematic review and meta-analysis aimed to quantify the association between environmental and occupational lead exposure and the risk of various hypertension subtypes. We further evaluated this relationship through a dose-response analysis to provide a scientific basis for targeted public health interventions. Methods: Observational studies on lead exposure and hypertension were searched from Chinese/English databases (inception to June 9, 2025). Two researchers independently screened studies, extracted data, and assessed bias risk. Random-effects meta-analysis calculated pooled ORs (95% CIs); meta-regression/subgroup analyses explored heterogeneity. Egger's test evaluated publication bias, sensitivity analyses verified result robustness, and dose-response analysis was applied to multi-level exposure data. Result: 24 studies (181,500 participants) were included. Lead exposure correlated significantly with hypertension (pooled OR = 1.27, 95% CI: 1.20-1.34) with high heterogeneity (I Conclusion: Lead exposure is a hypertension risk factor with a clear dose-response relationship. It is recommended to include blood lead in hypertension risk assessment and set a blood lead action level of < 0.107 μg/dl for high-risk groups to reduce hypertension burden from lead pollution. Systematic review registration: https://inplasy.com/inplasy-2025-9-0008/.
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