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Outcomes of trabecular metal total ankle replacement : a longitudinal observational cohort study of 239 consecutive cases from the Swedish Ankle Registry

Henricson, Anders ; Undén, Alexandra LU ; Carlsson, Åke LU ; Jehpsson, Lars LU and Rosengren, Björn LU (2022) In Acta Orthopaedica 93. p.689-695
Abstract

Background and purpose — Information on outcomes after some modern total ankle replacement (TAR) designs is scarce. We therefore examined outcomes after trabecular metal (TM) TAR in Sweden by use of data from the national registry. Patients and methods — On December 31, 2020, 239 primary TM TARs had been reported to the Swedish Ankle Registry. We analyzed prosthesis survival probability, using exchange or permanent extraction of components as end-point for 239 protheses with mean follow-up of 2.2 years (0.1–6.6), risk of revision, as well as patient-reported outcome measures (SEFAS/EQ-5D/EQ-VAS) and satisfaction with surgery. Results — 7/239 prostheses (3%) had been revised by December 31, 2020. We found an overall prosthesis survival... (More)

Background and purpose — Information on outcomes after some modern total ankle replacement (TAR) designs is scarce. We therefore examined outcomes after trabecular metal (TM) TAR in Sweden by use of data from the national registry. Patients and methods — On December 31, 2020, 239 primary TM TARs had been reported to the Swedish Ankle Registry. We analyzed prosthesis survival probability, using exchange or permanent extraction of components as end-point for 239 protheses with mean follow-up of 2.2 years (0.1–6.6), risk of revision, as well as patient-reported outcome measures (SEFAS/EQ-5D/EQ-VAS) and satisfaction with surgery. Results — 7/239 prostheses (3%) had been revised by December 31, 2020. We found an overall prosthesis survival probability of 95% (95% CI 89–98) after 3 years. 2 years after surgery 81% of the answering patients were satisfied or very satisfied with surgery and patients reported median SEFAS 36 (max 48), EQ-5D 0.90 (max 1), and EQ-VAS 80 (max 100). Interpretation — We found short-to mid-term outcomes after TM TAR to be at least as good as after other TAR designs regarding prosthesis survival and patient-reported satisfaction.

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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Acta Orthopaedica
volume
93
pages
7 pages
publisher
Taylor & Francis
external identifiers
  • scopus:85135499968
  • pmid:35919022
ISSN
1745-3674
DOI
10.2340/17453674.2022.4387
language
English
LU publication?
yes
id
d78563fb-dded-4b2e-8bb2-0c75fe23ea97
date added to LUP
2022-09-20 14:43:19
date last changed
2024-12-13 17:11:13
@article{d78563fb-dded-4b2e-8bb2-0c75fe23ea97,
  abstract     = {{<p>Background and purpose — Information on outcomes after some modern total ankle replacement (TAR) designs is scarce. We therefore examined outcomes after trabecular metal (TM) TAR in Sweden by use of data from the national registry. Patients and methods — On December 31, 2020, 239 primary TM TARs had been reported to the Swedish Ankle Registry. We analyzed prosthesis survival probability, using exchange or permanent extraction of components as end-point for 239 protheses with mean follow-up of 2.2 years (0.1–6.6), risk of revision, as well as patient-reported outcome measures (SEFAS/EQ-5D/EQ-VAS) and satisfaction with surgery. Results — 7/239 prostheses (3%) had been revised by December 31, 2020. We found an overall prosthesis survival probability of 95% (95% CI 89–98) after 3 years. 2 years after surgery 81% of the answering patients were satisfied or very satisfied with surgery and patients reported median SEFAS 36 (max 48), EQ-5D 0.90 (max 1), and EQ-VAS 80 (max 100). Interpretation — We found short-to mid-term outcomes after TM TAR to be at least as good as after other TAR designs regarding prosthesis survival and patient-reported satisfaction.</p>}},
  author       = {{Henricson, Anders and Undén, Alexandra and Carlsson, Åke and Jehpsson, Lars and Rosengren, Björn}},
  issn         = {{1745-3674}},
  language     = {{eng}},
  pages        = {{689--695}},
  publisher    = {{Taylor & Francis}},
  series       = {{Acta Orthopaedica}},
  title        = {{Outcomes of trabecular metal total ankle replacement : a longitudinal observational cohort study of 239 consecutive cases from the Swedish Ankle Registry}},
  url          = {{http://dx.doi.org/10.2340/17453674.2022.4387}},
  doi          = {{10.2340/17453674.2022.4387}},
  volume       = {{93}},
  year         = {{2022}},
}