Experimental treatment with bone void filler for lower extremity insufficiency fractures in rheumatoid arthritis patients – Early clinical results

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Abstract

Introduction: The aim is to report early clinical results of an experimental surgical procedure, injecting bone void filler, for patients with lower extremity rheumatoid arthritis (RA) insufficiency fractures.

Case report: We used a cross-sectional design with retrospective follow-up. Patient-reported outcomes were reported by the body-region specific questionnaires, knee injury and osteoarthritis outcome score (KOOS), or foot and ankle outcome score (FOAS). The Eq5D-5L questionnaire reported overall health-related quality of life (QoL). Furthermore, patient satisfaction (semi-structured interview), pain reactions, and adverse events were reported.Results from the first five patients were included. The median age was 70 years (range 50-80). Fracture localizations were proximal tibia (2), distal tibia (2), and distal femur (1). Four out of five patients reported a high degree of patient satisfaction following treatment. Four out of five patients at follow-up reported no pain from the fracture location. The median improvement from baseline to follow-up on the KOOS/FAOS subscale scores was pain 65 (range 42-69), symptoms 39 (range 25-50), the activity of daily living 41 (range 29-51), sport and recreational activities (sport/rec) 48 (range 40-60), and QoL 60 (range 57-72). The median improvement for the Eq5D index was 0.30 (range 0.26-0.36).

Conclusion: Surgical treatment of insufficiency fractures in RA patients with bone void filler seems promising. Four out of five patients reported considerable improvement in function and QoL and substantially lower pain scores following treatment. More research is needed to investigate the efficacy of this novel surgical procedure.
Original languageEnglish
JournalJournal of orthopaedic case reports
Volume14
Issue number1
Pages (from-to)68-74
Number of pages7
ISSN2250-0685
DOIs
Publication statusPublished - Jan 2024

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Copyright: © Indian Orthopaedic Research Group.

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