• 1. Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, P.R.China;
  • 2. Peking University First Hospital, Beijing 100034, P.R.China;
  • 3. Peking University Institute of Integrated Traditional Chinese and Western Medicine, Beijing 100034, P.R.China;
  • 4. The Third Affiliated Hospital of Beijing University of Chinese Medicine, Beijing 100029, P.R.China;
  • 5. Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100078, P.R.China;
ZHANG Xuezhi, Email: zhang.xuezhi@263.net
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Objective To systematically review the association between Helicobacter pylori (HP) infection and Parkinson's disease (PD). Methods PubMed, EMbase, The Cochrane Library, CNKI, VIP and WanFang Data databases were electronically searched to collect case-control studies on the association between HP and PD from January 2000 to July 2021. Two reviewers independently screened literature, extracted data, and assessed the risk of bias of included studies. Meta-analysis was then performed using RevMan 5.3 software. Results A total of 16 case-control studies involving 2 790 subjects were included. The results of meta-analysis showed that the HP infection rate was higher in PD patients than that in healthy patients (OR=1.87, 95%CI 1.38 to 2.54, P<0.000 1). The results of subgroup analysis showed that the infection rate of HP in PD group in Asia and Africa region was significantly higher than that in control group, but not in Europe region. Breath tests and other detection methods were used to detect HP infection, and the HP infection rate in PD group was significantly higher than that in the healthy control group. However, there was no significant difference in HP infection between the two groups by ELISA. UPDRS Ⅲ score of PD patients with HP infection was significantly higher than that of PD patients without HP infection. Conclusions Current evidence shows that PD patients have a higher HP infection rate than the normal population, and the rates are affected by regions and HP detection methods. In addition, HP infection can aggravate the motor symptoms and motor complications of PD patients. Due to limited quality and quantity of included studies, more high-quality studies are required to verify the above conclusions.

Citation: XIAO Huixia, YE Hui, HUANG Qiuyue, JIA Xiaofen, DENG Xin, ZHANG Chen, LUO Ruixiang, YE Suman, LI Chengcheng, ZHANG Xuezhi. Association between Helicobacter pylori infection and Parkinson's disease: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2021, 21(12): 1391-1397. doi: 10.7507/1672-2531.202109102 Copy

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