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Stability of Unicortical versus Bicortical Metacarpal Fracture Internal Fixation Trial (SUBMIT): study protocol for a randomized controlled trial

机译:单皮质和双皮质掌骨骨折内固定试验(SUBMIT)的稳定性:随机对照试验的研究方案

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摘要

BackgroundMetacarpal fractures are common, accounting for 40 % of all hand injuries. The use of plates for the fixation of these fractures allows early aggressive hand therapy post-operatively, reducing post-operative stiffness. Traditionally, bicortical fixation is the standard practice, where both dorsal and palmar cortices of the metacarpal are drilled through, with screws engaging both cortices. Recent biomechanical studies have shown that unicortical fixation, where only the near cortex is drilled and engaged by the screw, results in no difference in stiffness, load to failure or failure mechanism, when compared with bicortical fixation. This trial aims to compare fracture union, complication rate and functional outcomes between unicortical and bicortical fixation for adults with displaced metacarpal fractures.
机译:背景掌骨骨折很常见,占所有手部受伤的40%。使用钢板固定这些骨折可以在术后早期进行积极的手部治疗,从而降低术后的僵硬度。传统上,双皮质固定是标准的做法,在掌骨的背侧和掌侧皮质都钻通,并用螺钉固定两个皮质。最近的生物力学研究表明,与双皮质固定相比,单皮质固定只在螺钉附近钻出皮质并与之接合,因此在硬度,破坏载荷或破坏机制上没有差异。该试验旨在比较成年掌骨移位骨折的单皮质和双皮质固定之间的骨折愈合,并发症发生率和功能结局。

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