Hand clinics
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Case Reports
Distraction method for chronic dorsal fracture dislocation of the proximal interphalangeal joint.
The authors used gradual ligamentous distraction for closed reduction of nine irreducible dorsal fracture dislocations of the PIP joint. The volar fragment size was equal to or less than 40% in five and more than 50% in four. The average follow up was 18 months. ⋯ This allowed adequate joint flexion for concentric joint reduction. Distraction and simultaneous mobilization restored the final range of motion earlier than distraction and subsequent mobilization. The final range of motion of the PIP and DIP joints was from 12 degrees to 91 degrees and 0 to 45 degrees respectively.
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To the authors' knowledge, this is the largest study assembled of finger fractures in children. Distribution of fractures according to location within the hand (see Fig. 1), location within the phalanges themselves, and the percent of epiphyseal fractures as well as the age distribution of the patients are all similar to what has previously been presented in smaller studies. Previously unreported synchronous and double epiphyseal injuries were identified. ⋯ Finally, it is critical to recognize and properly treat the four major categories of injury that constitute a small percentage of the total but a large percentage of the complications. The condylar and subcondylar fractures must be identified by obtaining a true lateral film by whatever means necessary. If undisplaced, they need to be adequately immobilized, possibly including the entire arm of a small child, and if displaced, they almost always require internal fixation.(ABSTRACT TRUNCATED AT 400 WORDS)
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Extension block splinting (EBS) at the proximal interphalangeal joints of the fingers is a common technique for both primary treatment of reduced dorsal dislocations/fracture-dislocations at that joint and as a rehabilitation method following open reduction of such injuries. It is seldom realized that the method is a classic example of two orthopedic principles: stable arc splinting and early protected motion. As a primary treatment technique, following reduction of the dislocation, EBS is exemplary for an ideal group of cases, competitive for a marginal group of cases, and often unsatisfactory for a questionable group of cases. Demarcation between the groups is made, and the technique of EBS is reviewed.