Brandt Erwin, Verdonschot Nico, van Vugt Arie, van Kampen Albert
Department of Orthopaedic and Trauma Surgery, Hospital Bernhoven, The Netherlands.
Injury. 2006 Oct;37(10):979-83. doi: 10.1016/j.injury.2006.05.011. Epub 2006 Aug 24.
We compared the mechanical behaviour of osteosynthesis with the percutaneous compression plate (PCCP) compared with the standard osteosynthesis sliding hip screw (SHS) in intracapsular hip fractures. We created 10 stable and 10 unstable intracapsular hip fractures in 20 synthetic femurs. Each fracture was fixed with either the SHS or PCCP. In six pairs of cadaver femurs, we created unstable intracapsular hip fractures and fixed them with the SHS or PCCP, at random on the left or right side. All femoral heads were exposed to a cyclic, combined axial and torque load until failure. In each group, the PCCP resisted a significantly higher load than the SHS. Clinical prospective studies are needed to confirm these in vitro findings that the PCCP is more stable than the SHS.
我们比较了经皮加压钢板(PCCP)与标准接骨术滑动髋螺钉(SHS)在囊内髋部骨折中的接骨力学行为。我们在20根合成股骨上制造了10例稳定和10例不稳定的囊内髋部骨折。每处骨折均用SHS或PCCP固定。在六对尸体股骨中,我们制造了不稳定的囊内髋部骨折,并用SHS或PCCP随机固定在左侧或右侧。所有股骨头均承受循环的轴向和扭矩联合载荷直至失效。在每组中,PCCP承受的载荷明显高于SHS。需要进行临床前瞻性研究来证实这些体外研究结果,即PCCP比SHS更稳定。