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首页> 外文期刊>Journal of Hand Surgery. American Volume >Discovery elbow system: 2- to 5-year results in distal humerus fractures and posttraumatic conditions: A prospective study on 24 patients
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Discovery elbow system: 2- to 5-year results in distal humerus fractures and posttraumatic conditions: A prospective study on 24 patients

机译：发现肘系统：肱骨远端骨折和创伤后状况2至5年的结果：对24例患者的前瞻性研究

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Purpose To prospectively evaluate preliminary results of the Discovery Elbow System (DES) used for acute distal humerus fractures and posttraumatic conditions. Methods We analyzed 24 patients (9 men and 15 women), with a mean age of 69 years (range, 45-89 y). Ten had comminuted distal humerus fractures (group I), and 14 had severe post-traumatic arthritis, chronic instability, or nonunion (group II). Clinical and radiographic evaluations were performed. The preoperative (group II) and postoperative (both groups) evaluations were assessed with the Mayo Elbow Performance Score and Mayo Elbow Performance Index, the Quick Disabilities of the Arm, Shoulder, and Hand score, and the modified American Shoulder and Elbow Surgeons score. Patient satisfaction was evaluated on a 4-point scale. Results Mean follow-up was 41 months (range, 29-63 mo). At the last evaluation, average flexion, extension, pronation, and supination were 136°, 17°, 80°, and 83°, respectively. The average Mayo Elbow Performance Score, Quick Disabilities of the Arm, Shoulder, and Hand score, and the modified American Shoulder and Elbow Surgeons score were 96, 20, and 84, respectively, and without significant intergroup differences. According to the Mayo Elbow Performance Index, there were 20 excellent, 3 good, and 1 fair result. Twenty patients were very satisfied or satisfied with the outcome. A significant increase in the functional scores was observed in group II compared with preoperative results. Radiological evaluation showed 1 patient with progressive radiolucency and 1 with a nonprogressive radiolucency at the final follow-up. No mechanical failures were observed. Two transient ulnar neuropathies, 1 wound infection, and 1 epicondyle fracture were observed. Conclusions The DES yielded promising 2- to 5-year results in the treatment of acute fractures and posttraumatic conditions regarding pain relief, functional improvement, and patient satisfaction, achieving excellent results in most cases. The DES may represent an effective linked-implant option for total elbow replacement in such patients. However, long-term studies are needed.
机译：目的前瞻性评估用于急性肱骨远端骨折和创伤后状况的Discovery Elbow System（DES）的初步结果。方法我们分析了24例患者（9例男性和15例女性），平均年龄为69岁（年龄45-89岁）。 10例粉碎了肱骨远端骨折（I组），14例严重的创伤后关节炎，慢性不稳定或骨不连（II组）。进行了临床和影像学评估。术前（II组）和术后（两组）评估均通过Mayo肘关节性能评分和Mayo肘关节性能指标，手臂，肩膀和手的快速残疾评分以及改良的American Shoulder and Elbow Surgeons评分进行评估。患者满意度以4分制进行评估。结果平均随访41个月（29-63个月）。在最后一次评估中，平均屈曲，伸展，内旋和仰卧分别为136°，17°，80°和83°。 Mayo肘关节平均成绩，手臂，肩部和手部快速残疾评分以及改良的American Shoulder and Elbow Surgeons得分分别为96、20和84，两组之间无显着差异。根据Mayo肘部性能指数，有20优秀，3良好和1公平的结果。 20例患者对结果非常满意或满意。与术前结果相比，第二组的功能评分显着提高。放射学评估显示，在最后一次随访中，1例患者进行了放射线透视，1例进行了非进行性放射线检查。没有观察到机械故障。观察到两个短暂性尺神经病，1个伤口感染和1个1上骨折。结论DES在急性骨折和创伤后状况的疼痛缓解，功能改善和患者满意度方面的治疗中，取得了令人鼓舞的2至5年的结果，在大多数情况下均取得了优异的效果。 DES可以代表此类患者中完全肘关节置换的有效连锁植入物选择。但是，需要长期研究。

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