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Zhou Z, Liang Y, Zhang X, Xu J, Lin J, Zhang R, Kang K, Qu H, Zhao C, Zhao M. Fibrinogen and risk of dementia: A systematic review and meta-analysis. Neurosci Biobehav Rev 2020; 112:353-360. [PMID: 32081688 DOI: 10.1016/j.neubiorev.2020.02.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Revised: 01/22/2020] [Accepted: 02/16/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND The aim of this meta-analysis is to evaluate the association of fibrinogen with risk of dementia and its subtypes. METHODS Embase, Pubmed and Web of Science were retrieved systematically up to February 2019. Standard mean difference (SMD) with 95 % confidence intervals was estimated using random-effects models. RESULTS Sixteen studies involving 3,649 participants were summarized. Patients with all-cause dementia exhibited higher fibrinogen levels than those in non-dementia controls (SMD = 0.90 [0.43;1.36] p < 0.01). Further subgroup analysis revealed a positive association of fibrinogen with vascular dementia (VaD) (SMD = 1.11 [0.45;1.78] p < 0.01) rather than Alzheimer's disease (AD) (SMD = 0.01 [-0.17;0.19]) p = 0.92) and Parkinson's disease dementia (PDD) (SMD = 0.35 [-0.23;0.93] p = 0.24). This correlation was significant in Europeans (SMD = 0.92 [0.34;1.49] p < 0.01), but probably not in Asian based populations (SMD = 1.04 [-0.09;2.17] p = 0.07), and gradually declined with advancing age (60 ≤ age < 70: SMD = 1.22 [0.38;2.06] p < 0.01; 70 ≤ age < 80: SMD = 0.29 [0.04;0.53] p = 0.02; age ≥ 80: SMD = 0.01 [-0.12;0.15] p = 0.84). CONCLUSIONS Plasma fibrinogen is a potential risk factor for all-cause dementia and VaD under the age of 80, and is more obvious in cohorts with people of European descent.
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Affiliation(s)
- Zhike Zhou
- Department of Geriatrics, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China
| | - Yifan Liang
- Department of Neurology, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China
| | - Xiaoqian Zhang
- Department of Neurology, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China
| | - Junjie Xu
- Department of Laboratory Medicine, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China
| | - Jueying Lin
- Department of Emergency, Zhongshan Hospital Xiamen University, Xiamen, 361004, Fujian, PR China
| | - Rongwei Zhang
- Department of Geriatrics, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China
| | - Kexin Kang
- Department of Geriatrics, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China
| | - Huiling Qu
- Department of Neurology, People's Hospital of Liaoning Province, Shenyang, 110016, Liaoning, PR China
| | - Chuansheng Zhao
- Department of Neurology, The First Affiliated Hospital, China Medical University, Shenyang, 110001, Liaoning, PR China.
| | - Mei Zhao
- Department of Cardiology, The Shengjing Affiliated Hospital, China Medical University, Shenyang, 110004, Liaoning, PR China.
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