ArticleJournal of experimental orthopaedics2025
Both medial closing wedge and lateral opening wedge distal femoral osteotomy for valgus knee deformity can maintain leg length: A radiographic comparative study.
Article in Journal of experimental orthopaedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 1 of them a synthesis that pooled it.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Distal Femoral Varus Osteotomy in Valgus Knee With Lateral Compartment Osteoarthritis: A Systematic Review.Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2025Pooled it
- Both medial closing wedge and lateral opening wedge distal femoral osteotomy for valgus knee deformity can maintain leg length: A radiographic comparative study.Journal of experimental orthopaedics · 2025Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: To compare the radiological outcomes of medial closed wedge distal femoral osteotomy (MCWDFO) and lateral open wedge distal femoral osteotomy (LOWDFO), with a focus on evaluating leg length discrepancy (LLD). It was hypothesised that MCWDFO would result in a greater reduction in leg length compared to LOWDFO. Methods: Patients who underwent MCWDFO or LOWDFO for valgus deformity at a single institution between 2014 and 2022 with a minimum follow-up of 1 year were included. Radiological assessment included hip-knee-ankle (HKA) angle, mechanical lateral distal femoral angle (mLDFA), medial proximal tibial angle (MPTA), length of the whole leg and femur and LLD. The difference between pre- and post-operative values for each parameter is expressed as Δ. The radiological outcomes were statistically evaluated for each procedure. Results: Fifty-two patients (26 MCWDFO and 26 LOWDFO) were included. No significant differences were observed between the two groups with respect to demographic data and radiological parameters such as HKA, mLDFA and MPTA. Although Δ length of the femur decreased post-MCWDFO (-2.7 ± 0.6 mm) and increased post-LOWDFO (+2.7 ± 0.4 mm), the Δ length of the whole leg post-MCWDFO decreased (-0.5 ± 3.8 mm) and increased post-LOWDFO (+1.7 ± 2.6 mm) ( Conclusions: The straight-lengthening effect of alignment correction minimises changes in overall leg length, regardless of the specific DFO technique. Level of Evidence: Level III, retrospective comparative study.
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