• J Pressmar, F Macholz, W Merkert, F Gebhard, and U C Liener.
• Klinik für Unfall-, Hand- und Wiederherstellungschirurgie, Zentrum für Chirurgie, Universitätsklinikum Ulm, Steinhövelstr. 9, 89075, Ulm, Deutschland.
• Unfallchirurg. 2010 Mar 1; 113 (3): 195-202.

BackgroundLocked plate devices offer advantages in the treatment of periprosthetic femur fractures associated with fixed total hip or total knee arthroplasty. The purpose of this study was to evaluate the early results and complications with a locked plate system (NCB-DF(R)).Patients And MethodsA total of 31 patients (mean age 76 years, 7 males, 24 females) with a femur fracture above a fixed total knee arthroplasty (TKA, n=12) or a total hip arthroplasty (THA, n=19) were treated with a locked plate.ResultsThere were 11 complications necessitating revision: 6 implant failures, 2 in patients with a THA and 4 in patients with a TKA, 4 hematomas and 1 infection and 2 patients died. After 6 months all fractures had healed securely but a secondary correction was necessary in one patient.ConclusionFixation of periprosthetic femur fractures with a locked plate system provided satisfactory results in patients with a THA, however, the relatively high implant failure rate in fractures above a stable TKA is a cause for concern.

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