Background: Nonunion in scaphoid fractures may be considered a devastating problem. Union failure results in scaphoid deformity, resorption, and bone loss. Failed previous fixation decreases remaining bone stock and makes it more difficult to achieve union. Free vascularized graft represents a good option to achieve scaphoid union with revision fixation. Our study aims at the assessment of the management of scaphoid fractures non-union after failed previous fixation with the use of a free vascularized graft from the medial femoral condyle.
Methods: This is a retrospective study including 16 cases with persistent scaphoid nonunion after previous fixation managed by vascularized medial femoral condyle grafts. The mean follow-up was 24 months. Previous surgical attempts and nonunion duration were noted. We evaluated the union rate, together with ROM, Scapholunate angles and pain scores.
Results: the union was achieved in 13 of 16 cases. Pain improved in all patients (10/16 complete relief). Wrist ROM at follow-up was an average of 50° flexion 48° extension. There was no change in the relationship between lunate and scaphoid with an average angle of 37.5° preoperative and 38° postoperative.
Conclusion: Free vascularized MFC grafts are considered a reliable method to treat persistent nonunion of scaphoid fractures after failed previous operations. Short-term follow-up data showed considerable union rates with adequate pain relief and satisfactory ROM.
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http://dx.doi.org/10.1051/sicotj/2023004 | DOI Listing |
Cartilage
January 2025
Department of Radiology, University of California, San Diego, La Jolla, CA, USA.
Background: Accurate donor-recipient matching of the femoral condyle radius of curvature (ROC) in osteochondral allograft (OCA) transplantation may aid in minimizing articular surface incongruities. Matching linear femorotibial dimensions, such as the femoral condyle anterior-posterior length (APL), femoral condyle width (lateral-medial length, LML), femoral hemicondyle width (HCW), and tibial plateau width (TPW), can provide similar results if they correlate well with ROC. This study investigates the relationship between femorotibial dimensions and ROC at the cartilage surface using magnetic resonance imaging (MRI).
View Article and Find Full Text PDFJ Hand Microsurg
January 2025
Orthopaedics and Traumatology Unit, Cattinara Hospital - ASUGI, Department of Medical, Surgical and Life Sciences, Trieste University, Trieste, Italy.
Background: Aim of the present paper is to report the preliminary results of CAD-CAM (Computer-Aided Design - Computer-Aided Manufacturing) technology application to distal femur nonunion treatment with free fibula flap, custom made medial plating and maintenance of a stable lateral locking plate.
Methods: Two cases of distal femur nonunion that occurred after lateral locking plating were treated and prospectively followed-up. Surgical planning followed the same preoperative protocol adopted for mandibular CAD-CAM reconstruction.
Am J Sports Med
January 2025
Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, Hirosaki, Japan.
Background: A larger joint line convergence angle (JLCA) increases the stress load on the medial compartment. Few reports, however, have discussed the effect of the JLCA on the cartilage status and clinical outcomes after opening-wedge high tibial osteotomy (OWHTO).
Purpose/hypothesis: To reveal the effect of the JLCA on clinical results after OWHTO.
Acta Orthop Traumatol Turc
December 2024
Department of Orthopedics and Traumatology, Acibadem Mehmet Ali Aydinlar University Faculty of Medicine, Istanbul, Türkiye.
Objective: This study aimed to investigate the distribution of knee phenotypes based on the CPAK classification in healthy nonarthritic subjects and osteoarthritic patients in Türkiye.
Methods: Radiological EOS analysis of nonarthritic 1172 knees and osteoarthritic 571 knees was evaluated to clarify the distribution of CPAK classification. The knees were categorized into 9 subgroups according to the arithmetic hip-knee-ankle (aHKA) angle and joint-line obliquity (JLO).
Purpose: Hinge fractures show a relatively high incidence in varus and valgus distal femoral osteotomy (DFO) and can lead to delayed- or non-union. Another observed complication of a hinge fracture is an unintentional change of the postoperative femoral torsion of up to + 9.5° in conventionally performed DFO.
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