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J Pediatr Orthop. 1999 Sep-Oct;19(5):587-91.

External fixation of femoral shaft fractures in children: enhanced stability with the use of an auxiliary pin.

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Shriners Hospital for Children, St. Louis, Missouri, USA.


From 1989 through 1994, we used a monolateral external fixator (Orthofix) to treat 39 femur fractures in 37 patients. The average age of the patients was 9.5 years (range, 5+11 to 18+8 years); 38 fractures were closed, and one was a grade I (Gustillo-Anderson classification) open fracture. Twenty-two fractures were treated by using the standard Orthofix pin configuration with two or three pins held in the pin clamps both above and below the fracture. We treated the remaining 16 fractures identically, except for the addition of an auxiliary pin, which was secured to the body of the fixator by using wire and methylmethacrylate. All patients were followed up to union and fixator removal at a mean of 97 days after fixator placement (range, 50-175 days). Thirty-one (84%) patients were followed up for 1 year after injury. Six of 22 femurs without an auxiliary pin required remanipulation for loss of reduction. Only one of 16 femurs treated with an auxiliary pin required remanipulation. Four of 22 femurs without an auxiliary pin went on to malunion. No femur with an auxiliary pin went on to malunion.

[Indexed for MEDLINE]

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