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Talar OsteoPeriostic Grafting From the Iliac Crest (TOPIC): Prospective 2-Year Outcomes for Large Lateral Osteochondral Lesions of the Talus

Year: 2025

Type: article

Abstract: BACKGROUND: The results of the Talar OsteoPeriostic grafting from the Iliac Crest (TOPIC) procedure for lateral osteochondral lesions of the talus (OLTs) are unknown. Therefore, the present prospective study aims to assess the numeric rating scale (NRS) of pain during walking at 2-year follow-up. Secondarily, the aim is to assess other clinical, radiologic, and safety outcomes. METHODS: This is a single-center, nonrandomized prospective cohort study in which all press-fit lateral TOPIC patients for an OLT are included. Patients with a follow-up of at least 2 years without a concomitant osteochondral lesion of the tibial plafond were included. The primary outcome is the NRS of pain during walking. Secondary clinical outcomes included the NRS during rest and during stair climbing. Additionally, the Foot and Ankle Outcome Score (FAOS), the AOFAS ankle-hindfoot score, and the mental and physical component summary of the 36-Item Short Form Health Survey were recorded. Radiologic follow-up was performed using computed tomography (CT) scans. RESULTS: = .02). All FAOS subscales improved significantly, except the FAOS symptoms subscale. Graft consolidation was observed in 100% of the patients and cysts were present in 5 of 6 patients. No complications occurred and no patients complained of donor site morbidity. No reoperations were performed. CONCLUSION: In the first 7 prospectively followed patients who underwent the TOPIC procedure for large osteochondral lesions of the lateral talar dome, an improvement of the NRS of pain during walking from median 5 preoperatively to 1 at 2-year follow-up was observed.

Source: Foot & Ankle International

DOI: 10.1177/10711007251329033

Authors: Julian J. Hollander, Kaj S. Emanuel, Jari Dahmen, Gino M. M. J. Kerkhoffs, Sjoerd A. S. Stufkens