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Published in: International Orthopaedics 11/2015

01-11-2015 | Original Paper

Prospective longitudinal study of one hundred patients with total hip arthroplasty using a second-generation cementless dual-mobility cup

Authors: Thibault Vermersch, Anthony Viste, Romain Desmarchelier, Michel-Henri Fessy

Published in: International Orthopaedics | Issue 11/2015

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Abstract

Purpose

The aim of our study was to assess the radio-clinical results, mid-term survivorship and dislocation rate of a new-generation dual-mobility cup.

Methods

The first 100 patients (104 primary total hip arthroplasties) who were implanted with a new-generation cementless dual-mobility cup (Sunfit TH, Serf, Décines) were included in our study, with a minimum follow-up of five years.

Results

Average follow-up was six years ± 0.44 (5–7). At last follow-up, the Harris and PMA scores were significantly improved, from 56 to 94 and 13 to 17 respectively (p < 0.001). No radiolucent line could be observed. There were no cases of prosthetic or intraprosthetic dislocation in our series. Survivorship without cup loosening as the endpoint was 100 %.

Conclusions

This study confirmed the interest of dual mobility in preventing prosthetic hip dislocation. Intraprosthetic dislocation is a complication that seems to have been resolved in the mid-term follow-up.
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Metadata
Title
Prospective longitudinal study of one hundred patients with total hip arthroplasty using a second-generation cementless dual-mobility cup
Authors
Thibault Vermersch
Anthony Viste
Romain Desmarchelier
Michel-Henri Fessy
Publication date
01-11-2015
Publisher
Springer Berlin Heidelberg
Published in
International Orthopaedics / Issue 11/2015
Print ISSN: 0341-2695
Electronic ISSN: 1432-5195
DOI
https://doi.org/10.1007/s00264-015-2985-2

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