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TREATMENT OF DISTAL FEMORAL FRACTURES. A COMPARISON OF SUPRACONDYLAR NAIL (SCN) AND LISS PLATE.



Abstract

Due to the fact that the treatment of distal femoral fractures is a therapeutic challenge, new specific implants were continuously developed. The techniques should guarantee a reliable bone healing for two different groups. For young patients with high energy trauma and more or less severe collateral injury and for old patients with osteopenic bone, weal soft tissue and a high rate of co-morbidity. Present widespread techniques are reduction and fixation with LISS plate or retrograde nails. In this clinical study from 2003 to 2006 we compared our supracondylar nail (SCN, Stryker) with the LISS plate. We were looking at a series of 77 patients (55 SCN and 23 LISS) with A (36) and C (41) fractures of the distal femur. 43 (78%) of the SCN group healed without complications, 1 malrotation, 1 case of infection, 2 pseudarthrosis and 5 problems with the distal locking screws were observed. In the LISS group only 23 (56%) healed primarily, whereas the complications occured more frequent. Beside radiographic control and clinical examination the success of operation was assessed with a standardised questionare (KOOS). The SCN group showed again a higher rate of satisfaction compared to LISS.

Conclusion: The SCN is working in A and also in complex C fractures. Furthermore we saw less rate of complications and more satisfied patients with the SCN.

Correspondence should be addressed to Ms Larissa Welti, Scientific Secretary, EFORT Central Office, Technoparkstrasse 1, CH-8005 Zürich, Switzerland