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Erschienen in:
24.05.2019 | Original Paper
Functional outcome of open distal femoral fractures managed with lateral locking plates
Erschienen in: International Orthopaedics | Ausgabe 4/2020
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Purpose
This prospective study evaluated the functional outcome and union rates of open distal femoral fractures managed with anatomic lateral locking plates.
Methods
Thirty-four patients with open distal femur fractures with mean age of 40.8 years (range 20–65 years) were included in the study. Patients with Gustilo–Anderson grade IIIC fractures and those managed with non-locking modalities were excluded. In total, 70.6% (n = 24) of the fractures were Type IIIA and 55.9% (n = 19) were AO/OTA Type C3 fractures. In 23.5% (n = 8) patients, knee spanning external fixator was applied initially before definitive fixation. Patients were followed up for a mean period of 11.6 months (range 8–22.5 months). Functional outcome was evaluated using Sanders Score.
Results
In the primary plating group, 69.2% (n = 18) fractures united at an average of 27 weeks (range 21–40 weeks), while eight patients had non-union and required bone grafting. All eight patients with external fixator underwent lateral locked plating with bone grafting and united at an average time of 39.6 weeks (range 31–50 weeks). There were two cases each of infection and screw failure. The final mean Sanders Score was 30.1 (range19–40) with 73.5% (n = 25) patients having good to excellent functional outcomes.
Conclusions
Lateral locking plates offer excellent stability to allow fracture union in open distal femoral fractures. A proactive approach to identify and manage potential healing difficulties is advisable to promote bone healing.