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ACE Report #6308
Ace Report Cover Hand & Wrist

Nondisplaced scaphoid fracture union with and without thumb immobilization

Study Type:Therapy
OE Level Evidence:2
Journal Level of Evidence:1

Cast immobilization with and without immobilization of the thumb for nondisplaced and minimally displaced scaphoid waist fractures: a multicenter, randomized, controlled trial

J Hand Surg Am. 2014 Apr;39(4):621-7

Contributing Authors: GA Buijze JC Goslings SJ Rhemrev AA Weening B van Dijkman JN Doornberg D Ring CAST Trial Collaboration

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Dr. David Ring discusses whether thumb immobilization is necessary for the treatment of nondisplaced scaphoid fractures.


62 patients with a fracture of the scaphoid waist were randomized to below-elbow casting with or without immobilization of the thumb. Cast were worn for 10 weeks. The purpose was to assess the extent of union after 10 weeks with both treatment options. Computed tomography (CT) scans at 10 weeks revealed a significantly greater extent of union across the fracture line in the group without thumb imm...

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