Tadros Ayman M A, O'Brien Peter, Guy Pierre
Department of Orthopaedics, Division of Orthopaedic Trauma, University of British Columbia, Vancouver, British Columbia, Canada.
J Trauma. 2010 Feb;68(2):478-80. doi: 10.1097/TA.0b013e3181b28aee.
Marginal posterior wall fractures are often fixed by lag screws, which may be technically difficult and risks articular penetration. Spring plates are used to avoid articular penetration. Both lag screws and spring plates are usually buttressed by reconstruction plates. The aim of this report is to describe a technique for fixing those fractures using locking reconstruction plate and monocortical screws avoiding articular penetration and sparing spring plates. A locking reconstruction plate is placed in a position that allows buttressing of the fracture fragment and fixed proximally and distally first using non-locking screws. The marginal fracture is fixed using monocortical locking head screws. This technique has been performed on three patients; none had secondary displacement or nonunion. Fixing marginal posterior acetabular wall fractures using locking reconstruction plates and monocortical screws saves additional lag screws or spring plates without risking articular penetration.
髋臼后壁边缘骨折通常采用拉力螺钉固定，这在技术上可能具有挑战性且存在关节穿透风险。可使用弹簧钢板以避免关节穿透。拉力螺钉和弹簧钢板通常都用重建钢板进行支撑。本报告的目的是描述一种使用锁定重建钢板和单皮质螺钉固定这些骨折的技术，避免关节穿透并省去弹簧钢板。将锁定重建钢板放置在能够支撑骨折块的位置，首先使用非锁定螺钉在近端和远端进行固定。边缘骨折使用单皮质锁定头螺钉进行固定。该技术已应用于3例患者；无一例出现二次移位或骨不连。使用锁定重建钢板和单皮质螺钉固定髋臼后壁边缘骨折可省去额外的拉力螺钉或弹簧钢板，且无关节穿透风险。
