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Papers of the Week

2022 Nov 23

J Foot Ankle Surg

Comparison of Regenerative Injection Therapy and Conventional Therapy for Proximal Plantar Fasciitis.


Matthews M, Betrus CJ, Klein EE, Joshi A, Hamer S W, Sorensen MD, Weil L, Fleischer AE
J Foot Ankle Surg. 2022 Nov 23.
PMID: 36529579.


Treatment of subacute and chronic heel pain often presents a unique challenge to the physician. Regenerative therapies, such as injectable amnion and connective tissue matrix, may represent a promising new approach in these patients, and have become increasingly popular in the United States. However, little literature exists evaluating these injections compared to conventional nonoperative means. As such, we designed a retrospective comparative study evaluating patients in our practice who received a standardized plantar fascial treatment protocol only (standard therapy), and those who received regenerative plantar fascial injections in addition to standard therapy. A total of 54 patients were followed over a 3-month observation period (91.7 ± 73.9 days), with numeric pain rating (NPR) serving as the primary outcome. Both groups saw an improvement in NPR at the end of the observation period, but patients in the regenerative therapy group demonstrated lower pain scores than those receiving standard therapy alone (mean NPR 2.1 ± 2.3 vs 4.4 ± 2.8, p = .004). Additionally, those in the standard therapy group were significantly more likely to proceed onto surgical intervention compared to the regenerative therapy group (unadjusted odds ratio 15.6, 95% CI 3.0-27.9). The use of regenerative injections for subacute and chronic plantar fasciitis showed promise in our study, and may help mitigate against the need for invasive surgical intervention.