Bicen A C, Gokdemir H, Seber S, Aydin R, Gunal I
Department of Orthopaedics and Traumatology, School of Medicine, Dokuz Eylül University Hospital, 35340, Balcova, İzmir, Turkey.
Eur J Orthop Surg Traumatol. 2015 Feb;25(2):305-8. doi: 10.1007/s00590-014-1495-z. Epub 2014 Jun 29.
Although limited carpal fusion is a choice of treatment in several wrist disorders, little is known about the biomechanics of these procedures, especially the loads carried by the ligaments. In a finite element study, four types of limited carpal fusions (scaphotrapeziotrapezoid, capitohamate, four corner fusion with and without scaphoid excision) were simulated and the loads carried by the ligaments were recorded. Measurements were repeated with and without implantation. The load transmission through the ligaments varied by the type of the fusion but, radioscaphoid and long radiolunate ligaments carried significantly more loads if not excised during the operation. Implantation did not affect the results in most cases. The model of the present study may be useful in preoperative planning.
尽管有限腕骨融合术是多种腕部疾病的一种治疗选择，但对于这些手术的生物力学，尤其是韧带所承受的负荷，人们了解甚少。在一项有限元研究中，模拟了四种类型的有限腕骨融合术（舟状骨 - 大多角骨 - 小多角骨融合术、头状骨 - 钩骨融合术、带或不带舟状骨切除的四角融合术），并记录了韧带所承受的负荷。在植入和未植入的情况下重复进行测量。韧带的负荷传递因融合类型而异，但如果在手术中未切除，桡舟头韧带和桡月长韧带承受的负荷明显更多。在大多数情况下，植入并未影响结果。本研究的模型可能有助于术前规划。
