FAI June 2020: Effect of Microfracture on Functional Outcomes and Subchondral Sclerosis Following Distraction Arthroplasty of the Ankle Joint

Treatment for post-traumatic osteoarthritis (PTOA) of the ankle remains challenging. Distraction arthroplasty (DA) is an alternative for patients who are averse to or poor candidates for arthrodesis or joint replacement. The purpose of this study was to examine the role of microfracture (MFX) and concentrated bone marrow aspirate (CBMA) on the outcome of patients undergoing DA for end-stage PTOA of the ankle joint.

The current study showed no benefit from MFX when combined with DA in the treatment of PTOA. CBMA may have helped mitigate the adverse effect of MFX but conferred no benefit when used with DA alone. DA remains a useful alternative to ankle arthrodesis and arthroplasty in patients with PTOA. However, MFX and biologic augmentation using CBMA appeared to have no additional benefit.

 

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