Association between Anemia and Risk of Parkinson Disease.

Behav Neurol

Department of Exercise and Health Promotion, College of Kinesiology and Health, Chinese Culture University, Taipei, Taiwan.

Published: August 2021

AI Article Synopsis

  • The study systematically searched electronic databases for articles on the relationship between anemia and Parkinson's Disease (PD) from January 2000 to July 2020, including observational studies to calculate risk ratios.
  • Out of 342 articles initially found, 4 were ultimately included in the meta-analysis, which showed no significant overall increased risk of PD in patients with anemia.
  • The analysis indicated that female patients with anemia had a slightly higher risk of PD compared to male patients, but further research is needed to understand the association better.

Article Abstract

Methods: We systematically searched articles on electronic databases such as PubMed, Embase, Scopus, and Google Scholar between January 1, 2000 and July 30, 2020. Articles were independently evaluated by two authors. We included observational studies (case-control and cohort) and calculated the risk ratios (RRs) for associated with anemia and PD. Heterogeneity among the studies was assessed using the and statistic. We utilized the random-effect model to calculate the overall RR with 95% CI.

Results: A total of 342 articles were identified in the initial searches, and 7 full-text articles were evaluated for eligibility. Three articles were further excluded for prespecified reasons including insufficient data and duplications, and 4 articles were included in our systematic review and meta-analysis. A random effect model meta-analysis of all 4 studies showed no increased risk of PD in patients with anemia ( = 4, RR = 1.17 (95% CI: 0.94-1.45, = 0.15). However, heterogeneity among the studies was significant ( = 92.60, = <0.0001). The pooled relative risk of PD in female patients with anemia was higher ( = 3, RR = 1.14 (95% CI: 0.83-1.57, = 0.40) as compared to male patients with anemia ( = 3, RR = 1.09 (95% CI: 0.83-1.42, = 0.51).

Conclusion: This is the first meta-analysis that shows that anemia is associated with higher risk of PD when compared with patients without anemia. However, more studies are warranted to evaluate the risk of PD among patients with anemia.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8279865PMC
http://dx.doi.org/10.1155/2021/8360627DOI Listing

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