Neuroimaging studies of acupuncture on knee osteoarthritis: a systematic review

Review question / Objective: This study was conducted in order to investigate the study design and main outcomes of acupuncture neuroimaging studies on knee osteoarthritis (KOA),and reveal the potential mechanism of the pain-relieving effect of acupuncture on knee osteoarthritis. Condition being studied: Knee osteoarthritis is a very common disease that seriously affects people's quality of life. Acupuncture, as an effective treatment option, can achieve pain relief and treat the disease, but the mechanism of acupuncture analgesia is still unclear to us. Therefore, we set certain criteria to include eligible clinical trials to reveal its principles.