• Wei-Fu Lai, Chang Ho Yoon, Meng Ting Chiang, Ying-Han Hong, Hui-Chuan Chen, Wenyu Song, and Yen Po Harvey Chin.
• Department of Physical Medicine and Rehabilitation, Taipei City Hospital, Yangming Branch, Taipei, Taiwan.
• Medicine (Baltimore). 2021 Dec 23; 100 (51): e28216e28216.

BackgroundDextrose prolotherapy (DPT) is considered to be a type of regenerative therapy and is widely used in various musculoskeletal disorders. Plantar fasciitis is a common cause of heel pain that affects the quality of life of many people. We aimed to evaluate the effectiveness and safety of DPT for plantar fasciitis.MethodsPubMed, Embase, and the Cochrane Library were searched from their respective inception dates to June 2021. Only randomized controlled trials comparing DPT and other interventions for plantar fasciitis were included in this review. Standardized mean differences (SMDs) with 95% confidence intervals were calculated for comparison. The outcome measurements included visual analog score, numeric rating scale, Foot Function index, Revised Foot Function index, American Orthopedic Foot and Ankle Score, and plantar fascia thickness. Post-treatment duration was classified as short-term (1-2 months), medium-term (3 months), or long-term (6 months).ResultsSix studies with 388 adult patients diagnosed with plantar fasciitis were included for the meta-analysis. In terms of pain scores improvement, DPT was superior to placebo or exercise in the short-term (SMD: -1.163, 95%CI: -2.17 to -0.156) and the medium-term (SMD: -1.394, 95%CI: -2.702 to -0.085). DPT was inferior to corticosteroid injection in the short-term (SMD: 0.781, 95%CI: 0.41 to 1.152). For functional improvement, DPT was superior to placebo or exercise in the short-term (SMD: -1.51, 95%CI: -2.96 to -0.059), but inferior to corticosteroid injection (SMD: 0.526, 95%CI: 0.161 to 0.89) and extracorporeal shock wave therapy in the short-term (SMD: 0.484, 95%CI: 0.145 to 0.822). Randomized controlled trials showed a better pain improvement in the long-term for patients treated with DPT compared to corticosteroid (P = .002) and exercise control (P < .05). No significant differences were found between patients treated with DPT and patients treated with platelet-rich plasma.ConclusionDextrose prolotherapy was a safe and effective treatment option for plantar fasciitis that may have long-term benefits for patients. The effects were comparable to extracorporeal shock wave therapy or platelet-rich plasma injection. Further studies with standardized protocols and long-term follow-up are needed to address potential biases.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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