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Prospective Longitudinal Study of One Hundred Patients with Total Hip Arthroplasty Using a Second-generation Cementless Dual-mobility Cup

Overview
Journal Int Orthop
Specialty Orthopedics
Date 2015 Sep 9
PMID 26346372
Citations 34
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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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A Unique Variant of Intra-Prosthetic Dislocation in Dual Mobility Articulation Total Hip Arthroplasty-Displacement of Metal Liner.

Verghese S, Killampalli J, Jenabzadeh A, Killampalli V Indian J Orthop. 2024; 58(12):1883-1887.

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Excellent survival of second-generation uncemented dual mobility cups compared with first-generation cups at a minimum of 10 years follow-up in primary total hip arthroplasty.

Duhil A, Delfosse G, Servien E, Batailler C, Lustig S SICOT J. 2024; 10:32.

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Intraprosthetic dislocation of dual-mobility total hip arthroplasty implant.

Veras P, Gidley P, Patel N, Bhatnagar C, El-Baba R, Allam E Radiol Case Rep. 2023; 18(11):3964-3967.

PMID: 37680661 PMC: 10480439. DOI: 10.1016/j.radcr.2023.08.070.


Comparing dislocation rates by approach following elective primary dual mobility total hip arthroplasty: a systematic review.

Butler J, Stegelmann S, Butler J, Bullock M, Miller R J Orthop Surg Res. 2023; 18(1):226.

PMID: 36945061 PMC: 10032016. DOI: 10.1186/s13018-023-03724-6.


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