Iba Kousuke, Wada Takuro, Aoki Mitsuhiro, Oda Takashi, Ozasa Yasuhiro, Yamashita Toshihiko
Department of Orthopaedic Surgery, School of Medicine, Sapporo, Japan.
J Shoulder Elbow Surg. 2008 Jul-Aug;17(4):585-8. doi: 10.1016/j.jse.2007.12.003. Epub 2008 Apr 18.
We investigated the relationship between cubital tunnel pressure in patients with cubital tunnel syndrome with osteoarthritis and those without osteoarthritis. We studied 31 elbows in 29 patients. We divided the patients into two groups: one associated with osteoarthritis and the other not associated with osteoarthritis. In the latter group, there was ulnar nerve subluxation in 10 elbows and cubitus valgus in 3. Cubital tunnel pressure was measured intraoperatively with a fiberoptic microtransducer. The extraneural pressure with the elbow flexed was significantly increased in patients with osteoarthritis and those without osteoarthritis. The pressure within the cubital tunnel in osteoarthritic elbows was significantly higher than that in those without osteoarthritis. Moreover, the pressure of osteoarthritic elbows significantly increased from proximally to distally within the cubital tunnel, whereas the pressure in elbows without osteoarthritis was high only proximally. Thus, cubital tunnel pressure could be a more important causative factor for cubital tunnel syndrome in the elbows with osteoarthritis than in those without osteoarthritis.
我们研究了患有骨关节炎的肘管综合征患者与未患骨关节炎患者的肘管压力之间的关系。我们对29例患者的31个肘部进行了研究。我们将患者分为两组：一组与骨关节炎相关，另一组与骨关节炎无关。在后一组中，10个肘部存在尺神经半脱位，3个肘部存在肘外翻。术中使用光纤微传感器测量肘管压力。骨关节炎患者和非骨关节炎患者在肘关节屈曲时的神经外压力均显著升高。骨关节炎肘部的肘管内压力显著高于无骨关节炎的肘部。此外，骨关节炎肘部的肘管内压力从近端到远端显著增加，而无骨关节炎肘部的压力仅在近端较高。因此，与无骨关节炎的肘部相比，肘管压力可能是骨关节炎肘部肘管综合征更重要的致病因素。
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