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. 2015 May;25(4):661-4.
doi: 10.1007/s00590-014-1541-x. Epub 2014 Sep 24.

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

Ainhoa Toro-Ibarguen  1 , José-Antonio Moreno-Beamud, Miguel-Ángel Porras-Moreno, Miguel Aroca-Peinado, José-Luis León-Baltasar, Alberto-Agustín Jorge-Mora
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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

Ainhoa Toro-Ibarguen et al. Eur J Orthop Surg Traumatol. 2015 May.

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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