Extramedullar fixation of 107 subtrochanteric fractures: A randomized multicenter trial of the Medoff sliding plate versus 3 other screw-plate systems

Authors:
  • LCLeif Ceder
    Leif Ceder
  • JTJan Tidermark
    Jan Tidermark
  • PHPer Hamberg
    Per Hamberg
  • BLBengt-Erik Larsson
    Bengt-Erik Larsson
  • BRBjörn Ragnarsson
    Björn Ragnarsson
  • RKRichard W C Knebel
    Richard W C Knebel
  • IAIngemar Allvin
    Ingemar Allvin
  • KHKrister Hjalmars
    Krister Hjalmars
  • SNSigge Norberg
    Sigge Norberg
  • PFPer Fornander
    Per Fornander
  • AHAnders Hauggaard
    Anders Hauggaard
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Abstract
We compared the efficacy of a load-sharing device, the Medoff sliding plate (MSP), with that of 3 other load-bearing screw-plate devices for the fixation of subtrochanteric fractures in a randomized multicenter trial of 107 elderly patients. 55 fractures were operated on with the MSP, and 52 with the dynamic hip screw (DHS) with or without a trochanteric stabilizing plate (TSP) or with the dynamic condylar screw (DCS). The patient material in the groups was similar regarding age, domestic situation, preinjury walking ability and fracture types. We followed the patients clinically and radiographically for a minimum of 1 year. There was no significant difference in walking ability or return rate to the home at follow-up. Fixation failure occurred in 1/55 fractures operated on with the MSP, in 3/32 with the DHS, in 3/12 with the DCS and in 2/8 with the DHS/TSR The difference in the rate of fixation failure was statistically significant, when the MSP group was compared to the 3 load-bearing devices in the other group (1 vs 8). On the basis of this experience, we think that the load-sharing principle of the MSP, which seems to facilitate fracture impaction and stability, appears to be a good alternative in extramedullary fixation of subtrochanteric fractures.

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