Arora Rohit, Roth Tobias, Kralinger Franz, Blauth Michael
Department of Trauma Surgery and Sports Medicine, Medical University Innsbruck, Innsbruck, Austria.
J Orthop Trauma. 2008 Sep;22(8 Suppl):S116-20. doi: 10.1097/BOT.0b013e318162ab0b.
We present a case with nonsimultaneous bilateral dorsally displaced unstable osteoporotic distal radius fractures treated by open reduction and internal fixation using a volar and dorsal locking-plate system in a 69-year-old man. On the left side the patient had a loss of reduction as a result of plate bending 1 week after palmar plating. Correction of the dorsopalmar tilt was achieved through additional dorsal plating. Three months later the same patient sustained a distal radius fracture on his right forearm. Open anatomic reduction could only be achieved using palmar and dorsal locking plates, and the large metaphyseal defect was filled with resorbable bone substitute. Six weeks after surgery the patient reported persisting wrist pain. The x-rays showed loss of reduction. Because of flexor tendon irritation, the plate had to be removed after healing malunited. At the final follow-up at 18 months, the patient showed good subjective results according to the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire results. Active wrist motion was 60 degrees extension on the left and 55 degrees extension on the right. The active range of flexion was 50 degrees for left and right wrist, and active pronation and supination were unrestricted for both forearms. Grip strength was 50 kg on either side. Although recently good and excellent results have been reported treating distal radius fractures using volar locking plates in elderly individuals, we believe these implants still have their limits depending on local bone quality and fracture pattern. Decisionmaking for surgery versus conservative treatment should balance the risks and advantages for each patient accurately.
我们报告了一例69岁男性非同时性双侧背侧移位的不稳定骨质疏松性桡骨远端骨折病例,采用掌侧和背侧锁定钢板系统进行切开复位内固定治疗。左侧患者在掌侧钢板固定1周后因钢板弯曲出现复位丢失。通过额外的背侧钢板固定实现了掌背侧倾斜的矫正。3个月后,该患者右侧前臂发生桡骨远端骨折。仅使用掌侧和背侧锁定钢板实现了切开解剖复位,并用可吸收骨替代物填充了大的干骺端缺损。术后6周患者报告腕部持续疼痛。X线片显示复位丢失。由于屈肌腱刺激,骨折愈合畸形后不得不取出钢板。在18个月的最终随访中,根据手臂、肩部和手部功能障碍(DASH)问卷结果,患者主观结果良好。左侧腕关节主动活动度为背伸60度,右侧为背伸55度。左右腕关节的主动屈曲范围均为50度,双侧前臂的主动旋前和旋后不受限。两侧握力均为50kg。尽管最近有报道称在老年患者中使用掌侧锁定钢板治疗桡骨远端骨折取得了良好和优异的结果,但我们认为这些植入物仍有其局限性,取决于局部骨质和骨折类型。手术与保守治疗的决策应准确权衡每位患者的风险和益处。