ArticleJournal of hip preservation surgery2026
Femoral head osteochondral allograft transplantation with and without simultaneous periacetabular osteotomy: a case series.
Article in Journal of hip preservation surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
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Abstract
Focal femoral head degeneration can lead to loss of structural support of the femoral head and eventual collapse. Formerly, total hip arthroplasty (THA) was the only definitive means available to restore function and mitigate pain. Osteochondral allograft transplantation (OATS) of the femoral head can be used to potentially prevent or delay THA, and the aim of this study is to analyse outcomes of patients who have undergone OATS procedures. An OATS procedure involves vessel-sparing hip dislocation to achieve global femoral head exposure, removal of damaged cartilage and subchondral bone, and press-fit implantation of a fresh femoral head allograft. Eleven patients have undergone OATS at our institution, and we collected retrospective data and Patient-Reported Outcome Measurement Information System (PROMIS) data. All eleven patients demonstrated focal femoral head degeneration. Six patients underwent simultaneous PAO for concomitant structural instability. Postoperatively, patients returned to weight bearing by an average of 9.8 ± 5.6 weeks and physical activities in 9.9 ± 2.9 months. Four patients had unrelated health conditions limiting physical activity involvement. One patient had undergone THA, 6 years postoperatively. Five patients provided updated follow-up metrics, demonstrating significant improvement in average physical function PROMIS scores (
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