Ko 2022 | Knee OA | RSW/FSW
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Ko NY, Chang CN, Cheng CH, Yu HK, Hu GC. Comparative Effectiveness of Focused Extracorporeal versus Radial Extracorporeal Shockwave Therapy for Knee Osteoarthritis-Randomized Controlled Study. Int J Environ Res Public Health. 2022 Jul 24;19(15):9001.
Randomised controlled trial • 42 patients with bilateral knee osteoarthritis (KL II-III; symptom duration at least 6 months) were randomly assigned to receive 3 sessions of either f-ESWT or r-ESWT at 1-week intervals. • During each session, 2000 pulses (1000 shocks in the medial tibial plateau and 1000 shocks in the patellofemoral border) were delivered at 5 Hz. • The intensities that were used during f-ESWT (0.10 mJ/mm2) and r-ESWT (3.0 Bar) were comparable (when converting air pressure generated by ESWT to energy flux density). Results • All outcomes improved significantly in both groups at 4 and 8 weeks. • The improvements in VAS, WOMAC and 6-min walk test were significantly greater in the FSW versus the RSW group at 4 and 8 weeks, while there were no significant differences between groups for ROM. • No adverse events were reported during the study.
Key message Both FSW and RSW provide significant improvements in pain and function for KOA with FSW providing superior results.
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