الفهرس 
IntroductionOnly 14 pages are availabe for public view
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Abstract
the treatment of non-union fracture scaphoid by compression screw without bone grafting give an acceptable union rate (88%). Maximum period for healing is 9 months with proper return of the functional scores (flexion, extension, ulnar radial deviations, and DASH scores). The functional scores were independent on patients’ sex, but they were dependent on patients’ age, mechanism of injury, operative procedure, and fracture type, smoking status and intraoperative time. The functional scores were improving with time with maximum improvement at 9 months. This study was conducted to detect the functional and radiological outcomes of non-union fracture scaphoid fixation by compression screws without bone graft and the predictors of these outcomes. Patients and methods: This prospective interventional study was conducted on 25 patients with persistent tenderness, incomplete trabecular bridging on CT , and injury that had occurred at a minimum of 6 months prior to surgery, and identification of fibrous union at the time of surgery. Patients with carpal collapse, avascular necrosis, significant displacement, mid-carpal instability were excluded. Wrist flexion, extension, ulnar & radial deviation and DASH scores were assessed for 9 months also the radiological outcomes were assessed by CT and MRI. Results: The union rate (88%) at 9 months follow up with proper return of the functional scores (flexion, extension, ulnar radial deviations, and DASH scores). The functional scores were independent on patients’ sex, but they were dependent on patients’ age, mechanism of injury, operative procedure, and fracture type, smoking status and intraoperative time. The functional scores were improving with time till final follow up at 9 months.