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

International Orthopaedics
Thibault VermerschMichel-Henri Fessy

Abstract

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. 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. 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 %. 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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Citations

Jul 4, 2015·Orthopaedics & Traumatology, Surgery & Research : OTSR·E SimianP Rosset
Dec 22, 2016·International Orthopaedics·Jean Louis PrudhonJacques H Caton
Oct 23, 2018·Expert Review of Medical Devices·Thomas NeriFrederic Farizon
Mar 10, 2017·Expert Review of Medical Devices·Hamed VahediJavad Parvizi
Dec 10, 2016·International Orthopaedics·Anthony VisteMichel-Henri Fessy
Jul 22, 2018·International Orthopaedics·Thomas NeriFrederic Farizon
Jan 4, 2017·The Bone & Joint Journal·M SteflL D Dorr
Dec 23, 2016·International Orthopaedics·Cécile BataillerSebastien Lustig
Jun 20, 2020·SICOT-J·Thomas NeriFrederic Farizon
Sep 10, 2021·Zeitschrift für Orthopädie und Unfallchirurgie·Petri BellovaKlaus-Peter Günther

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