ArticleJournal of orthopaedic surgery and research2021
Bone plate fixation ability on the dorsal and lateral sides of a metacarpal shaft transverse fracture.
Article in Journal of orthopaedic surgery and research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 15 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
- Biomechanical comparison of a novel hockey-stick locking plate with a pes anserinus sparing design for Schatzker IV tibial plateau fractures.BMC musculoskeletal disorders · 2026Article
- Article
- 3D Bioprinting in Limb Salvage Surgery.Journal of functional biomaterials · 2024Review
- Biomechanical analysis of plate versus K-wire fixation for metacarpal shaft fractures with wedge-shaped bone defects.BMC musculoskeletal disorders · 2024Article
- A Comparison of Outcomes following Plate versus Pin Fixation of Metacarpal Shaft and Neck Fractures.Plastic and reconstructive surgery. Global open · 2023Article
- Biomechanical study on fixation methods for horizontal oblique metacarpal shaft fractures.Journal of orthopaedic surgery and research · 2022Article
- Comparison of the fixation ability between lag screw and bone plate for oblique metacarpal shaft fracture.Journal of orthopaedic surgery and research · 2022Article
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6 authors at 4 institutions in 1 country.
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Abstract
backgroundMetacarpal shaft fractures are a common hand trauma. The current surgical fixation options for such fractures include percutaneous Kirschner wire pinning and nonlocking and locking plate fixation. Although bone plate fixation, compared with Kirschner wire pinning, has superior fixation ability, a consensus has not been reached on whether the bone plate is better placed on the dorsal or lateral side.
objectiveThe purpose of this study was to evaluate the fixation of locking and regular bone plates on the dorsal and lateral sides of a metacarpal shaft fracture. MATERIALS AND
methodsThirty-five artificial metacarpal bones were used in the experiment. Metacarpal shaft fractures were created using a saw blade, which were then treated with four types of fixation as follows: (1) a locking plate with four locking bicortical screws on the dorsal side (LP_D); (2) a locking plate with four locking bicortical screws on the lateral side (LP_L); (3) a regular plate with four regular bicortical screws on the dorsal side (RP_D); (4) a regular plate with four regular bicortical screws on the lateral side (RP_D); and (5) two K-wires (KWs). All specimens were tested through cantilever bending tests on a material testing system. The maximum fracture force and stiffness of the five fixation types were determined based on the force-displacement data. The maximum fracture force and stiffness of the specimens with metacarpal shaft fractures were first analyzed using one-way analysis of variance and Tukey's test.
resultsThe maximum fracture force results of the five types of metacarpal shaft fracture were as follows: LP_D group (230.1 ± 22.8 N, mean ± SD) ≅ RP_D group (228.2 ± 13.4 N) > KW group (94.0 ± 17.4 N) > LP_L group (59.0 ± 7.9 N) ≅ RP_L group (44.5 ± 3.4 N). In addition, the stiffness results of the five types of metacarpal shaft fracture were as follows: LP_D group (68.7 ± 14.0 N/mm) > RP_D group (54.9 ± 3.2 N/mm) > KW group (20.7 ± 5.8 N/mm) ≅ LP_L group (10.6 ± 1.7 N/mm) ≅ RP_L group (9.4 ± 1.2 N/mm).
conclusionAccording to our results, the mechanical strength offered by lateral plate fixation of a metacarpal shaft fracture is so low that even KW fixation can offer relatively superior mechanical strength; this is regardless of whether a locking or nonlocking plate is used for lateral plate fixation. Such fixation can reduce the probability of extensor tendon adhesion. Nevertheless, our results indicated that when lateral plate fixation is used for fixating a metacarpal shaft fracture in a clinical setting, whether the mechanical strength offered by such fixation would be strong enough to support bone union remains questionable.
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