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- W2021684105 abstract "Scaphoid fractures are common but present unique challenges because of the particular geometry of the fractures and the tenuous vascular pattern of the scaphoid. Delays in diagnosis and inadequate treatment for acute scaphoid fractures can lead to nonunions and subsequent degenerative wrist arthritis. Improvements in diagnosis, surgical treatment, and implant materials have encouraged a trend toward early internal fixation, even for nondisplaced scaphoid fractures that could potentially be treated nonoperatively. Despite the advent of newly developed fixation techniques, including open and percutaneous fixation, the nonunion rate for scaphoid fractures remains as high as 10% after surgical treatment. Scaphoid nonunions can present with or without avascular necrosis of the proximal pole and may show a humpback deformity on the radiograph. If left untreated, scaphoid nonunions can progress to carpal collapse and degenerative arthritis. Surgical treatment is directed at correcting the deformity with open reduction and internal fixation with bone grafting. Recently, vascularized bone grafts have gained popularity in the treatment of scaphoid nonunions, particularly in cases with avascular necrosis. This article reviews current concepts regarding the treatment of scaphoid fractures and nonunions. Scaphoid fractures are common but present unique challenges because of the particular geometry of the fractures and the tenuous vascular pattern of the scaphoid. Delays in diagnosis and inadequate treatment for acute scaphoid fractures can lead to nonunions and subsequent degenerative wrist arthritis. Improvements in diagnosis, surgical treatment, and implant materials have encouraged a trend toward early internal fixation, even for nondisplaced scaphoid fractures that could potentially be treated nonoperatively. Despite the advent of newly developed fixation techniques, including open and percutaneous fixation, the nonunion rate for scaphoid fractures remains as high as 10% after surgical treatment. Scaphoid nonunions can present with or without avascular necrosis of the proximal pole and may show a humpback deformity on the radiograph. If left untreated, scaphoid nonunions can progress to carpal collapse and degenerative arthritis. Surgical treatment is directed at correcting the deformity with open reduction and internal fixation with bone grafting. Recently, vascularized bone grafts have gained popularity in the treatment of scaphoid nonunions, particularly in cases with avascular necrosis. This article reviews current concepts regarding the treatment of scaphoid fractures and nonunions." @default.
- W2021684105 created "2016-06-24" @default.
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- W2021684105 date "2008-07-01" @default.
- W2021684105 modified "2023-10-13" @default.
- W2021684105 title "Treatment of Scaphoid Fractures and Nonunions" @default.
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- W2021684105 doi "https://doi.org/10.1016/j.jhsa.2008.04.026" @default.
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