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  • Title: Intramedullary locked fixation and compression nail (IP-XS-Nail): treatment of ankle joint fractures.
    Author: Gehr J, Friedl W.
    Journal: Oper Orthop Traumatol; 2006 Jun; 18(2):155-70. PubMed ID: 16820987.
    Abstract:
    OBJECTIVE: Reconstruction of the anatomy of the ankle joint while protecting the soft tissue, and osteosynthesis to maintain stability for function and weight bearing. INDICATIONS: Distal fractures of the fibula, bimalleolar fractures, and isolated fractures of the medial malleolus. CONTRAINDICATIONS: Very small (< 5 mm) distal fragments (if fixation of the fragments is not possible using a small XXS nail) and very narrow (< 2.5 mm) medullary cavity (conversion to plate fixation). SURGICAL TECHNIQUE: With displaced fibula fractures, open reduction should be performed with fracture retention using wide-armed reduction forceps, insertion of a central guide wire into the medullary cavity, use of a cannulated drill bit, introduction of the nail using an aiming arm and locked fixation with threaded wire. After checking the position using X-ray, the wire should be shortened using the bolt cutters. POSTOPERATIVE MANAGEMENT (Depending on the Weber classification): Full weight bearing for all isolated distal fractures of the fibula (Weber types A and B) and isolated fractures of the medial malleolus. For distal fractures of the fibula (Weber types A and B) with additional fracture of the medial malleolus or involvement of the medial ligament partial weight bearing of 20 kp for 4 weeks, followed by full weight bearing. For all Weber C fractures and/or additional Volkmann fracture only 10 kp of partial weight bearing with a rocker-sole orthosis should be allowed for 6 weeks followed by full weight bearing. No weight bearing for 6 weeks until the screws are removed is only recommended, if positioning screws have been used for Weber C fractures. RESULTS: In the period from 05/2000 to 01/2002, 194 ankle fractures were treated with the IP-XS-Nail((R)). Follow-up examinations were conducted on 162 patients with an average age of 51.2 years after an average of 15 months. 62 Weber B fractures (38.3%) and 45 Weber C fractures (27.7%) were evaluated. There were bimalleolar fractures in 55 cases (34.0%). According to the Olerud Score (clinical and radiologic score), 95 patients (58.6%) had an excellent, 54 (33.3%) a good, nine (5.5%) a moderate, and four (2.4%) an unsatisfactory result.
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