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Journal of Integrative Medicine ›› 2024, Vol. 22 ›› Issue (2): 163-179.doi: 10.1016/j.joim.2024.03.003

• Systematic Review • Previous Articles     Next Articles

Chinese herbal medicine Ginkgo biloba L. preparations for ischemic stroke: An overview of systematic reviews and meta-analyses

Tian-tian Menga,b, Ya-ping Youa, Min Lic, Jian-bo Guod, Xin-bin Songe, Jing-yi Dinga, Xiao-long Xief, An-qi Lia, Shang-jin Lig, Xiang-jun Yinh, Peng Wange, Zhe Wanga, Bao-liang Wangi, Qing-yong Hea   

  1. a. Department of Cardiology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100032, China.
    b. Department of Rehabilitation, Dongfang Hospital, Beijing University of Chinese Medicine, Beijing 100071, China.
    c. School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
    d. School of Chinese Medicine, the University of Hong Kong, Hong Kong, China.
    e. Graduate School, Henan University of Chinese Medicine, Zhengzhou 450008, Henan Province, China.
    f. Department of Acupuncture and Moxibustion, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100010, China
    g. School of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou 646000, Sichuan Province, China
    h. School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China.
    i. Department of Neurology, the First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou 450003, Henan Province, China.
  • Received:2023-07-07 Accepted:2024-01-25 Online:2024-03-31 Published:2024-03-20
  • Contact: Qing-yong He; Bao-liang Wang E-mail:heqingyongg@163.com; wang_baoliang@163.com.

Background

Ginkgo biloba L. preparations (GBLPs) are a class of Chinese herbal medicine used in the adjuvant treatment of ischemic stroke (IS). Recently, several systematic reviews (SRs) and meta-analyses (MAs) of GBLPs for IS have been published.

Objective

This overview aims to assess the quality of related SRs and MAs.

Search strategy

PubMed, Embase, Cochrane Library, Web of Science, Chinese Biological Medicine, China National Knowledge Infrastructure, Wanfang, and Chinese Science and Technology Journals databases were searched from their inception to December 31, 2022.

Inclusion criteria

SRs and MAs of randomized controlled trials (RCTs) that explored the efficacy of GBLPs for patients with IS were included.

Data extraction and analysis

Two independent reviewers extracted data and assessed the methodological quality, risk of bias (ROB), reporting quality, and credibility of evidence of the included SRs and MAs using A Measurement Tool to Assess Systematic Reviews 2 (AMSTAR 2), Risk of Bias in Systematic Reviews (ROBIS), the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA), and the Grading of Recommendations Assessment, Development and Evaluation (GRADE), respectively. Additionally, descriptive analysis and data synthesis were conducted.

Results

Twenty-nine SRs/MAs involving 119 outcomes were included in this review. The overall methodological quality of all SRs/MAs was critically low based on AMSTAR 2, and 28 had a high ROB based on the ROBIS. According to the PRISMA statement, the reporting items of the included SRs/MAs are relatively complete. The results based on GRADE showed that of the 119 outcomes, 8 were rated as moderate quality, 24 as low quality, and 87 as very low quality. Based on the data synthesis, GBLPs used in conjunction with conventional treatment were superior to conventional treatment alone for decreasing neurological function scores.

Conclusion

GBLPs can be considered a beneficial supplemental therapy for IS. However, because of the low quality of the existing evidence, high-quality RCTs and SRs/MAs are warranted to further evaluate the benefits of GBLPs for treating IS.

Key words: Ginkgo biloba L. preparations, Ischemic stroke, Overview, Systematic review

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