ArticleJournal of orthopaedic surgery and research2022
Comparison of the fixation ability between lag screw and bone plate for oblique metacarpal shaft fracture.
Article in Journal of orthopaedic surgery and research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- Percutaneous transverse pinning for metacarpal fractures: a clinical trial.Archives of orthopaedic and trauma surgery · 2024Trial
- Biomechanical efficacy of wire fixation methods for oblique metacarpal shaft fractures.Medicine · 2026Article
- Is casting superior to plate fixation in metacarpal shaft fractures?Joint diseases and related surgery · 2025Article
- 3D Bioprinting in Limb Salvage Surgery.Journal of functional biomaterials · 2024Review
- The biomechanical evaluation of metacarpal fractures fixation methods during finger movements: a finite element study.Frontiers in bioengineering and biotechnology · 2024Article
- Curative effect of external fixation combined with kirschner wire versus hollow screw in the treatment of first metacarpal bone base fracture.BMC musculoskeletal disorders · 2023Article
- Biomechanical study on fixation methods for horizontal oblique metacarpal shaft fractures.Journal of orthopaedic surgery and research · 2022Article
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundFor oblique metacarpal shaft fracture, if anatomical reduction is achieved through conservative cast immobilization rather than stable fixation, bone malrotation can easily occur, resulting in severe loss in hand prehensile function. However, whether bone plate fixation or only lag screw fixation is more preferable remains unclear. Few studies have evaluated whether screw fixation can provide biomechanical fixation strength similar to bone plate fixation.
objectiveWe assessed the difference in fixation strength between fixtation with two lag screws and bone plate for oblique metacarpal shaft fractures. MATERIALS AND
methodsWe created oblique metacarpal shaft fractures on 21 artificial bones and fixated them using (1) double lag screw (2LS group), (2) regular plate (RP group), or (3) locked plate (LP group). To obtain the force-displacement data, a cantilever bending test was conducted for each specimen through a material testing machine. One-way analysis of variance and a Tukey test were conducted to compare the maximum fracture force and stiffness of the three fixation methods.
resultsThe maximum fracture force of the 2LS group (mean + SD: 153.6 ± 26.5 N) was significantly lower than that of the RP (211.6 ± 18.5 N) and LP (227.5 ± 10.0 N) groups (p < 0.001). However, no significant differences were discovered between the RP and LP groups. The coefficient of variation for the maximum fracture force of the 2LS group (17.3%) was more than twice as high as that of the RP (8.7%) and LP (4.4%) groups. In addition, the stiffness of the three fixation methods was similar.
conclusionCompared with bone plate fixation, double lag screw fixation yielded slightly lower maximum bearable fracture force but similar stiffness. Therefore, this technique could be used for treating oblique metacarpal shaft fractures. However, using double lag screw fixation alone is technically demanding and requires considerable surgical experiences to produce consistent results.
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