Objective. The aim of the study was to evaluate inter observer reliability and intra observer reproducibility between the three column classification using 3D CT reconstruction models and schatzker classification systems using 2D CT models. Materials and methods. Fifty two consecutive patients with tibial plateau fractures were evaluated by two orthopaedic surgeons. All patients were classified into Schatzker and three column classification systems using CTimages. The Images were evaluated in a randomised and blind fashion. Demographics of the patient were blinded to reduce observer bias. The inter observer reliability was measured for both classfications in round one. In round two the process was repeated after two weeks and the intra observer reproducibility was measured using cohen kappa coefficient and level of agreement based on Landis and Koch. Results. The average inter observer reliability for schatzker classification in round one were (k2D=0.661, 95% CI 0.531–0.697) in round two (k2D = 0.673, 95% CI 0.451–0.774). The three column classification average in round one were (k3D=0.851 95% CI 0.705–0.968), in round two (k3D=0.929 95% CI 0.813–1.00). The average intra observer reproducibility for Schatzker classification in round two for the first obsrever were (k2D=0.689 IQR, 0.6–0.846) for observer two (k2D=0.656 IQR 0.2988–1.0). The average intra observer reproducibility for three column for observer one were (k3D=0.693 IQR, 0.484-.859), for observer two (k3D=0.711 IQR, 0.5185–0.8294). 31 % of patients had a posterior column involvement. Conclusion. Statistically significant inter observer values in both rounds were noted with the three column classification making it, statistically an excellent agreement. The intra observer reproducibility for the three column classification improved as compared to the schatzker classification. The three column classification seems to be effective way to characterise and classify fractures of tibial plateau

Objective. To determine differences in fracture stability and functional outcome between synthetic bone graft and allograft/autograft with internal fixation of tibia plateau metaphyseal defects. Patient & Methods. Between 2007- 2008, 84 consecutive cases of internal fixation of tibia plateaux were identified from our theater logbook. 29 patients required additional autologous, allogenic bone graft, or synthetic bone graft substitute to ensure fracture stability. 5 patients were excluded due to lost to follow up leaving a cohort of 24 patients. Hydroxyapatite calcium carbonate synthetic bone graft was utilised in 14 patients (6 male and 8 female). Allograft/autograft were utilised in the remaining 10 patients (6 male and 4 female). All 24 patients had closed fractures, classified using the AO and Schatzker classification. Roentograms at presentation, post-operatively and regular follow-up till 12 months were analysed for maintenance of reduction, early and late subsidence of the articular surface. Functional outcomes such as knee range of movement and WOMAC Knee scores were compared between groups. Results. There was no significant statistical difference between groups for post-operative joint reduction, long term subsidence, and WOMAC scores. The degree of subsidence was not related to age or fracture severity. Maintenance of knee flexion was found to be better in the allograft/autograft group (p=0.015) when compared between groups. Multivariate analysis compared graft type, fracture severity, postoperative reduction, subsidence rate, range of movement and WOMAC score. The only finding was a statistical significant (p=0.025) association with the graft type and range of movement. Conclusion. Allograft/autograft may allow better recovery of long-term flexion, possibly due to reduced inflammatory response compared with synthetic bone graft. However, all other parameters such as maintenance of joint reduction and subjective outcome measures were comparable with the use of hydroxyapatite calcium carbonate bone graft. This study shows that synthetic bone graft is a suitable option in fixation of unstable tibia plateau fractures, avoiding risk of viral disease transmission with allograft and donor site morbidity associated with autograft

The purpose of this study was to review the long term functional results of patients undergoing treatment for high energy tibial plateau fractures. Between January 1994 and June 2013 our unit managed 105 high energy tibial plateau fractures (Schatzker IV-VI) with an Ilizarov frame. All cases were treated via ligamentotaxis and percutaneous fine wire fixation or with a limited open reduction of the joint surface. A retrospective analysis of all patients that have undergone Ilizarov fixation of a tibial plateau fracture was performed with radiological and clinical functional outcome measurements. We analysed 105 patients with a mean follow up of 93.5 months (range 5–200). The patient group had an average age of 49 years (range 15–87) with 62 patients being male. Fracture pattern was analysed with Schatzker's classification showing 18 type IV, 10 type V and 77 type VI tibial plateau fractures. All fractures had an average time to union of 145 days. Patients had and average range of movement of 117 degrees. Patients undergoing Ilizarov treatment for high energy tibial plateau fractures achieve successful results long term. Definitive treatment should be decided with respect to fracture pattern and the soft tissue envelope. The management aim should be to achieve anatomical reduction and stable fixation to enable early mobilization. Our study confirms the good functional outcomes and low morbidity that can be achieved in high energy fractures treated with Ilizarov fixation