Coordinate-based (ALE) meta-analysis of acupuncture for musculoskeletal pain

BackgroundNeuroimaging studies have been widely used to investigate brain regions' alterations in musculoskeletal pain patients. However, inconsistent results have hindered our understanding of the central modulatory effects of acupuncture for musculoskeletal pain. The main objective of our inv...

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Published in:Frontiers in neuroscience 2022-07, Vol.16, p.906875-906875
Main Authors: Ha, Guodong, Tian, Zilei, Chen, Jiyao, Wang, Shuo, Luo, Aga, Liu, Yunyu, Tang, Juan, Lai, Ningyuan, Zeng, Fang, Lan, Lei
Format: Article
Language:English
Subjects:
activation likelihood estimation
acupuncture
functional magnetic resonance imaging
meta-analysis
musculoskeletal pain
Neuroscience
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Summary:BackgroundNeuroimaging studies have been widely used to investigate brain regions' alterations in musculoskeletal pain patients. However, inconsistent results have hindered our understanding of the central modulatory effects of acupuncture for musculoskeletal pain. The main objective of our investigation has been to obtain comprehensive evidence of acupuncture for musculoskeletal pain diseases.MethodsThe PubMed, Web of Science, Google Scholar, Embase, China National Knowledge Infrastructure (CNKI), VIP Database, China Biology Medicine disc Database, Clinical Trial Registration Platform, and Wanfang Database were searched for neuroimaging studies on musculoskeletal pain diseases published from inception up to November 2021. Then, the relevant literature was screened to extract the coordinates that meet the criteria. Finally, the coordinate-based meta-analysis was performed using the activation likelihood estimation algorithm.ResultsA total of 15 neuroimaging studies with 183 foci of activation were included in this study. The ALE meta-analysis revealed activated clusters in multiple cortical and sub-cortical brain structures in response to acupuncture across studies, including the thalamus, insula, caudate, claustrum, and lentiform nucleus.ConclusionsThe studies showed that acupuncture could modulate different brain regions, including the thalamus, insula, caudate, claustrum, and lentiform nucleus. The findings offer several insights into the potential mechanisms of acupuncture for musculoskeletal pain and provide a possible explanation for the observed clinical benefit of this therapy.Systematic review registrationhttps://www.crd.york.ac.uk/prospero/display_record.php?RecordID=227850, identifier: CRD42021227850.
ISSN:1662-453X
1662-4548
1662-453X
DOI:10.3389/fnins.2022.906875