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Updated: Apr 17, 2026
A Mouse Distraction Osteogenesis Model
Published on: November 14, 2018
Digital ray reconstruction through distraction osteogenesis: a retrospective study of 82 rays with long-term
Marios Vekris1, Marios Lykissas1, Emilios Pakos2
1University Hospital of Ioannina, Ioannina, Greece.
Purpose:
The aim of the present study was to present the long-term radiographic results with distraction osteogenesis in traumatic or congenital length discrepancies of long bones of the hand.
Methods:
The medical records and radiographs of 65 consecutive patients (27 metacarpals and 55 phalanges) with either traumatic or congenital digital length discrepancies were retrospectively reviewed. The mean follow-up was 8.2 years. The mean distraction period was 21 days with a distraction rate of 4×0.25mm/day. Callus consolidation was obtained in all patients.
Results:
The bones were lengthened by a mean amount of 17.5mm, with a mean increase in bone length of 68±17.3%. The mean healing index was 28.57 days/cm. Ray reconstruction with callus distraction can be applied effectively in skeletally immature or mature patients with congenital differences of the hand or amputated fingers.
Conclusion:
A distraction rate of 1mm/day proved to be a safe rate of lengthening in both metacarpals and phalanges.
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