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Erschienen in: International Orthopaedics 6/2017

22.03.2017 | Original Paper

Long-term follow-up of a non-randomised prospective cohort of one hundred and ninety two total knee arthroplasties using the NexGen implant

verfasst von: Alfredo Schiavone Panni, Franceso Falez, Rocco D’Apolito, Katia Corona, Carlo Perisano, Michele Vasso

Erschienen in: International Orthopaedics | Ausgabe 6/2017

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Abstract

Purpose

The purpose of this study was to retrospectively analyse the clinical, functional and radiological outcomes, and the long-term survivorship of the NexGen Legacy Posterior Stabilised (LPS) knee prosthesis (Zimmer Biomet, Warsaw, IN, USA).

Methods

Between 1996 and 2001, 197 primary NexGen LPS total knee arthroplasties (TKAs) were implanted by a single surgeon; 132 prostheses in 124 patients with a minimum follow-up of 15 years were included in the study. Surgical procedure and post-operative care were the same for all patients. All patients were assessed through the International Knee Society (IKS) scores and range of motion (ROM). A complete radiological study was performed for all patients. Failure was defined as revision of at least one prosthetic component for any cause.

Results

IKS knee and function scores, as well as ROM and leg alignment, significantly improved at the latest follow-up (p ≤ 0.05). No significant differences were found between fixed- and mobile-bearing groups. Seven implant failures were reported; the implant survival rate (overall) was 94.7% at the latest follow-up.

Conclusions

This study showed optimal survivorship of the NexGen LPS, associated with a significant improvement in overall outcomes at a minimum follow-up of 15 years.
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Metadaten
Titel
Long-term follow-up of a non-randomised prospective cohort of one hundred and ninety two total knee arthroplasties using the NexGen implant
verfasst von
Alfredo Schiavone Panni
Franceso Falez
Rocco D’Apolito
Katia Corona
Carlo Perisano
Michele Vasso
Publikationsdatum
22.03.2017
Verlag
Springer Berlin Heidelberg
Erschienen in
International Orthopaedics / Ausgabe 6/2017
Print ISSN: 0341-2695
Elektronische ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-017-3438-x

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