Does the Acupoint Specificity Exist? Evidence from Functional Neuroimaging Studies

Author:

Qiu Ke1,Yin Tao1,Hong Xiaojuan1,Sun Ruirui1,He Zhaoxuan1,Liu Xiaoyan1,Ma Peihong1,Yang Jie1,Lan Lei1,Li Zhengjie1,Tang Chenjian1,Cheng Shirui1,Liang Fanrong1,Zeng Fang1

Affiliation:

1. Acupuncture and Tuina School/The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, China

Abstract

Background: Using functional neuroimaging techniques to explore the central mechanism of acupoint specificity, the key of acupuncture theory and clinical practice, has attracted increasing attention worldwide. This review aimed to investigate the current status of functional neuroimaging studies on acupoint specificity and explore the potential influencing factors for the expression of acupoint specificity in neuroimaging studies. Methods: PubMed database was searched from January 1st, 1995 to December 31st, 2016 with the language restriction in English. Data including basic information, methodology and study results were extracted and analyzed from the eligible records. Results: Seventy-nine studies were finally enrolled. 65.8% of studies were performed in China, 73.4% of studies were conducted with healthy subjects, 77.2% of studies chose manual acupuncture as the intervention, 86.1% of studies focused on the instant efficacy and 89.9% of studies used functional magnetic resonance imaging as scanning technique. The average sample size was 16 per group. The comparison of verum acupoints and sham acupoints were the main body of acupoint specificity researches. 93.7% of studies obtained the positive results and favored the existence of acupoint specificity. Conclusion: This review affirmed the existence of acupoint specificity and deemed that the acupoint specificity was relative. Multiple factors such as participants, sample size, acupoint combinations, treatment courses, and types of acupoint could influence the expression of acupoint specificity.

Funder

Ten Thousand Talent Program, China

State Key Program for Basic Research of China

National Natural Science Foundation of Outstanding Youth Fund in China

National Natural Science Foundation of China

Publisher

Bentham Science Publishers Ltd.

Subject

Radiology Nuclear Medicine and imaging

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