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Arch Hand Microsurg > Volume 18(3); 2013 > Article
Journal of the Korean Society for Surgery of the Hand 2013;18(3):111-117.
Published online September 30, 2013.
DOI: https://doi.org/10.12790/jkssh.2013.18.3.111   
Headless Autocompression Screw Fixation of Scaphoid Fractures Using Open Dorsal Approach
Ho Jung Kang, Yougun Won, Ji Won Kwon, Il Hyun Koh, Yun Rak Choi
Department of Orthopaedic Surgery, Yonsei Univeristy College of Medicine, Seoul, Korea. kangho56@yuhs.ac
Received: 24 June 2013   • Revised: 9 September 2013   • Accepted: 13 September 2013
Abstract
Purpose
We present the clinical and radiological results of open reduction and internal fixation for scaphoid fracture with retrograde headless screw fixation via dorsal approach.

Methods
This study carried out a survey targeting 15 patients who have a retrograde headless screw fixation on nonunion of scaphoid fracture without previous operation, 2 patients who have a retrograde headless screw fixation on nonunion of scaphoid fracture with previous operation and 8 patients who have a trans-scaphoid perilunate dislocation. We figured out a mechanism of injury, and clinical symptom, radiologic findings. The surgery was done with open dorsal approach which is retrograde headless screw fixation internally, with or without bone graft. We analyzed the result by Maudsley method, in terms of bone union, duration for union, radiologic finding, clinical outcomes.

Results
After surgery, 22 of 25 patients had union result on fracture and other 3 patients had nonunion result. It took 12 weeks to achieve bone union on average. Based on radiograhs, we had one case of partial avascular necrosis of proximal fragment without clinical symptoms. We had one case of each scaphoid nonunion without previous operation, with operation and trans-scaphoid perilunate dislocation had arthritic change and non-symptomatic nonunion result. In terms of clinical outcome, 22 patients showed satisfactory results and 3 patients had slight limitation of range of motion.

Conclusion
Retrograde headless screw fixation with or without bone graft for the treatment of scaphoid fracture is recommendable.
 


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