AAOS: Casts for nondisplaced scaphoid waist fractures do not require thumb immobilization .
Cast Immobilization With and Without Immobilization of the Thumb for Nondisplaced Scaphoid Waist Fractures
62 patients with nondisplaced scaphoid waist fractures were randomized to wear a below-elbow cast that either included the thumb or excluded the thumb, in order to compare the union and arm-specific disability outcomes from the treatment methods. Following assessments over a 10 week period, results indicated that the extent of union on CT was significantly higher in the group of patients who wore a below-elbow cast that excluded the thumb, indicating that immobilization of the thumb was not required.
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