Two-year radiologic assessment of the Pinnacle cup-a migration analysis with EBRA.
Cementless
Cup migration
Einzel-bild-röntgen-analyse (EBRA)
Total hip arthroplasty
Journal
Archives of orthopaedic and trauma surgery
ISSN: 1434-3916
Titre abrégé: Arch Orthop Trauma Surg
Pays: Germany
ID NLM: 9011043
Informations de publication
Date de publication:
Jan 2021
Jan 2021
Historique:
received:
18
05
2020
accepted:
15
10
2020
pubmed:
1
11
2020
medline:
19
5
2021
entrez:
31
10
2020
Statut:
ppublish
Résumé
The most common cause of failure in total hip arthroplasty (THA) is aseptic loosening. Uncemented cup migration analysis by EBRA (Einzel-Bild-Roentgen-Analyse) has shown to be a good predictive indicator for early implant failure if the cup migrates more than 1 milimeter (mm) within the first 2 years after surgery. In this study, we investigated the migration behaviour of an uncemented press-fit cup after 2 years follow-up. Applying a retrospective study design, we reviewed all consecutive patients who received an uncemented press-fit cup at our Department between 2013 and 2018. A total of 484 patients were identified. We reviewed medical histories and performed radiological measurements using EBRA-Cup software. EBRA measurements and statistical investigations were performed by two independent investigators. A total of 165 cups in 159 patients (female: 90; male: 69) met our inclusion criteria. Mean age at surgery was 66.7 (range 18.4-90.5) years. EBRA migration analysis showed a mean total migration of 0.7 mm (range 0.0-6.3) over our follow-up period of 2 years. Of the investigated cups, 53.2% showed less than 1 mm migration in the investigated follow-up period. In conclusion, the Pinnacle cup used in our study provides low mean migration at final follow-up. Based on the assumption of secondary stabilization, good long-term outcome of the Pinnacle cup can be expected. Number: 20181024-1875; Date: 2018-09-20.
Identifiants
pubmed: 33128095
doi: 10.1007/s00402-020-03648-4
pii: 10.1007/s00402-020-03648-4
pmc: PMC7815589
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
149-154Références
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