Environmental toxic metal contaminants and risk of stroke: a systematic review and meta-analysis

The relationship between toxic metals in the environment and clinical stroke risk remains unclear, although their role as immunotoxicants and carcinogens has been well established. We conducted a systematic review of the relationship between five metals (arsenic, mercury, copper, cadmium, and lead)...

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Veröffentlicht in:Environmental science and pollution research international 2022-05, Vol.29 (22), p.32545-32565
Hauptverfasser: Bao, Qiang-Ji, Zhao, Kai, Guo, Yu, Wu, Xin-Ting, Yang, Jin-Cai, Yang, Ming-Fei
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container_issue 22
container_start_page 32545
container_title Environmental science and pollution research international
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creator Bao, Qiang-Ji
Zhao, Kai
Guo, Yu
Wu, Xin-Ting
Yang, Jin-Cai
Yang, Ming-Fei
description The relationship between toxic metals in the environment and clinical stroke risk remains unclear, although their role as immunotoxicants and carcinogens has been well established. We conducted a systematic review of the relationship between five metals (arsenic, mercury, copper, cadmium, and lead) and stroke. First, we comprehensively searched 3 databases (Pubmed, EMBASE, and Cochrane) from inception until June 2021. Random-effects meta-analyses, pooled relative risks (RR) and 95% confidence intervals (CI) were applied to evaluate the effect value. We finally identified 38 studies involving 642,014 non-overlapping participants. Comparing the highest vs. lowest baseline levels, chronic exposure to lead (RR = 1.07; 95%CI,1.00–1.14), cadmium (RR = 1.30; 95%CI,1.13–1.48), and copper (RR = 1.19; 95%CI,1.04–1.36) were significantly associated with stroke risks. However, the other two metals (arsenic and mercury) had less effect on stroke risk. Further analysis indicated that the association was likely in a metal dose-dependent manner. The results may further support the possibility that environmental toxic metal contaminants in recent years are associated with the increased risk of stroke.
doi_str_mv 10.1007/s11356-022-18866-z
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subjects Aquatic Pollution
Arsenic
Arsenic - analysis
Atmospheric Protection/Air Quality Control/Air Pollution
Cadmium
Cadmium - analysis
Carcinogens
Chronic exposure
Confidence intervals
Contaminants
Copper
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Health risks
Heavy Metal Poisoning
Heavy metals
Humans
Lead
Mercury
Mercury (metal)
Mercury - analysis
Meta-analysis
Metals
Review Article
Risk analysis
Risk assessment
Stroke - chemically induced
Stroke - epidemiology
Systematic review
Waste Water Technology
Water Management
Water Pollution Control
title Environmental toxic metal contaminants and risk of stroke: a systematic review and meta-analysis
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