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  • Title: Stabilization of ankle syndesmosis injuries with a syndesmosis screw.
    Author: Kaye RA.
    Journal: Foot Ankle; 1989 Jun; 9(6):290-3. PubMed ID: 2744670.
    Abstract:
    A retrospective review was made of 30 patients who had disruption of the ankle syndesmosis that was treated at Santa Clara Valley Medical Center with a transfixation screw. Follow-up ranged from 3 months to 3 years. There were 21 pronation external rotation injuries and 9 Maison-neuve fractures. Screw size ranged from 3.5 cortical to 6.5 cancellous Synthes screws. Most were placed transversely from 1.5 to 3.5 cm above the joint line. Intraoperative difficulties with screw placement occurred in 2 patients, resulting in one bent screw and one screw placed directly into the ankle joint. Most patients were mobilized prior to screw removal; lucent lines developed around the syndesmosis screw before it was removed in two-thirds of the patients. No screw broke prior to removal. In 6 patients, calcification of the interosseous membrane was seen and, in 4, this progressed to a distal tibiofibular synostosis. It was found that transfixation screws provided satisfactory stability of the syndesmosis to permit stable healing of the interosseous membrane and distal ligaments after ankle fracture. Motion between the tibia and fibula developed despite screw fixation, as shown by the lytic bony changes that occurred with time.
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