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The number of locking screws predicts the risk of nonunion and reintervention in periprosthetic total knee arthroplasty fractures treated with a nail

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Abstract

Periprosthetic knee fractures following total knee arthroplasty are increasing proportionally to the number of primary procedures done. We performed a retrospective review of Rorabeck type II fractures treated with a retrograde nail, trying to find the relationship between failure and the number of distal locking screws used. Twenty-six patients were included. The number of distal interlocking screws (patients with one or two distal interlocking screws and patients with three screws) correlated with nonunion (p < 0.1), did not correlate with the malunion rate (p > 0.1) and correlated with the reintervention rate (p < 0.1).

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All authors do not have conflicts of interest.

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Correspondence to Alberto-Agustín Jorge-Mora.

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Toro-Ibarguen, A., Moreno-Beamud, JA., Porras-Moreno, MÁ. et al. The number of locking screws predicts the risk of nonunion and reintervention in periprosthetic total knee arthroplasty fractures treated with a nail. Eur J Orthop Surg Traumatol 25, 661–664 (2015). https://doi.org/10.1007/s00590-014-1541-x

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  • DOI: https://doi.org/10.1007/s00590-014-1541-x

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