Ligamentous Lisfranc Joint Injuries: A Biomechanical Comparison of Dorsal Plate and Transarticular Screw Fixation:
2005
Background: The current treatment of displaced ligamentous injuries of the tarsometatarsal (TMT) joints is open reduction and rigid fixation using transarticular screws. This technique causes further articular surface damage that theoretically may increase the risk of arthritis. Should the screws break, hardware removal is difficult. An alternative method that avoids these potential complications is rigid fixation using dorsal plates. Methods: The displacement between the first metatarsal and medial cuneiform, the second metatarsal and intermediate cuneiform, the first and second metatarsal bases, and the medial cuneiform and second metatarsal base were measured in 10 matched pairs of fresh-frozen cadaver lower extremities in the unloaded and loaded condition. After sectioning the Lisfranc and TMT joint ligaments, measurements were repeated in the loaded condition. The first and second TMT joints of the right feet were fixed with transarticular 3.5-mm cortical screws while those of the left feet with were...
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