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  • Title: Open technique is more effective than percutaneous technique for TOPAZ radiofrequency coblation for plantar fasciitis.
    Author: Tay KS, Ng YC, Singh IR, Chong KW.
    Journal: Foot Ankle Surg; 2012 Dec; 18(4):287-92. PubMed ID: 23093126.
    Abstract:
    BACKGROUND: Microtenotomy coblation using a radiofrequency (RF) probe is a minimally invasive procedure for treating chronic tendinopathy. It has been described for conditions including tennis elbow and rotator cuff tendinitis. There have been no long term studies to show its effectiveness in plantar fasciitis. METHODS: A prospective non-randomised trial was conducted on 48 patients who had failed conservative treatment for plantar fasciitis, between 2007 and 2009. The procedure was performed using the TOPAZ microdebrider device (ArthroCare, Sunnyvale, CA), either via an open or a percutaneous method. Fifty-nine feet were treated and followed up for up to 1 year thereafter. Preoperative, 3, 6 and 12 months post-operative VAS pain, American Orthopaedic Foot-Ankle Society (AOFAS) hindfoot and SF-36 scores, patient expectation and satisfaction scores were analysed. RESULTS: VAS scores improved significantly in both groups at 1-year follow-up. The open group had a more significant improvement in the VAS score at 1-year follow-up. AOFAS hindfoot scores improve significantly for both groups pre- and post-operatively, but there was no significant difference between both groups at the 1-year mark. SF-36 scores showed equally significant improvement in both groups 1 year post-operatively. Expectation and satisfaction scores were equally high in both arms. CONCLUSIONS: TOPAZ RF coblation is a good and effective method for the treatment of recalcitrant plantar fasciitis. Clinical results improve with time for up to 1-year post-operatively. The open method seems to have a more significant improvement in pain VAS scores at 1-year postoperatively.
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