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Metal Exposure and Risk of Parkinson Disease: A Systematic Review and Meta-Analysis.
- Source :
- American Journal of Epidemiology; Jul2023, Vol. 192 Issue 7, p1207-1223, 17p
- Publication Year :
- 2023
-
Abstract
- Metal exposure has been suggested as a possible environmental risk factor for Parkinson disease (PD). We searched the PubMed, EMBASE, and Cochrane databases to systematically review the literature on the relationship between metal exposure and PD risk and to examine the overall quality of each study and the exposure assessment method. A total of 83 case-control studies and 5 cohort studies published during the period 1963–July 2021 were included, of which 73 were graded as being of low or moderate overall quality. Investigators in 69 studies adopted self-reported exposure and biomonitoring after disease diagnosis for exposure assessment approaches. The meta-analyses showed that concentrations of copper and iron in serum and concentrations of zinc in either serum or plasma were lower, while concentrations of magnesium in CSF and zinc in hair were higher, among PD cases as compared with controls. Cumulative lead levels in bone were found to be associated with increased risk of PD. We did not find associations between other metals and PD. The current level of evidence for associations between metals and PD risk is limited, as biases from methodological limitations cannot be ruled out. High-quality studies assessing metal levels before disease onset are needed to improve our understanding of the role of metals in the etiology of PD. [ABSTRACT FROM AUTHOR]
- Subjects :
- ONLINE information services
MEDICAL databases
META-analysis
MEDICAL information storage & retrieval systems
CONFIDENCE intervals
SYSTEMATIC reviews
IRON
IRON in the body
METALS
RISK assessment
PARKINSON'S disease
DESCRIPTIVE statistics
MEDLINE
ODDS ratio
COPPER
ZINC
ENVIRONMENTAL exposure
LEAD
DISEASE risk factors
Subjects
Details
- Language :
- English
- ISSN :
- 00029262
- Volume :
- 192
- Issue :
- 7
- Database :
- Complementary Index
- Journal :
- American Journal of Epidemiology
- Publication Type :
- Academic Journal
- Accession number :
- 164776739
- Full Text :
- https://doi.org/10.1093/aje/kwad082