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The Swedish ankle arthroplasty register - An analysis of 531 arthroplasties between 1993 and 2005

Henricson, Anders; Skoog, Anne and Carlsson, Åke LU (2007) In Acta Orthopaedica 78(5). p.569-574
Abstract
Background Whether or not ankles can be replaced with reasonable safety has been the subject of debate. We present the results of a nationwide series of total ankle arthroplasties. Patients and methods All Swedish hospitals that implant or have implanted modern three-component ankle prostheses reported demographic data and date of index and revision surgery to a central register. After the data had been introduced into a database, prosthetic survival rates with exchange or permanent extraction of components as endpoint were calculated. Results Of the 531 prostheses implanted, 101 had been revised by June 15, 2006. The overall survival rate at 5 years was 0.78 (95% CI: 0.74-0.82). For the three surgeons who had inserted the majority of the... (More)
Background Whether or not ankles can be replaced with reasonable safety has been the subject of debate. We present the results of a nationwide series of total ankle arthroplasties. Patients and methods All Swedish hospitals that implant or have implanted modern three-component ankle prostheses reported demographic data and date of index and revision surgery to a central register. After the data had been introduced into a database, prosthetic survival rates with exchange or permanent extraction of components as endpoint were calculated. Results Of the 531 prostheses implanted, 101 had been revised by June 15, 2006. The overall survival rate at 5 years was 0.78 (95% CI: 0.74-0.82). For the three surgeons who had inserted the majority of the STAR ankles, the survival rates became significantly higher after the first 30 cases had been performed and was estimated to be 0.86 (0.80-0.93) at 5 years. Lower age at index surgery implied increased risk of revision whereas diagnosis or gender did not. Interpretation Ankle replacement is a valuable alternative to arthrodesis. However, replacing an ankle is a demanding procedure and the survival is not comparable to that after hip or knee replacement. It is obvious that with increasing experience, the results-including prosthetic survival-will improve. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Acta Orthopaedica
volume
78
issue
5
pages
569 - 574
publisher
Taylor & Francis
external identifiers
  • wos:000250516800002
  • scopus:35649020272
ISSN
1745-3682
DOI
10.1080/17453670710014248
language
English
LU publication?
yes
id
64e09b5d-7d2f-4590-9fab-5001c5e53bd6 (old id 654210)
date added to LUP
2007-12-12 13:12:12
date last changed
2017-10-29 04:08:14
@article{64e09b5d-7d2f-4590-9fab-5001c5e53bd6,
  abstract     = {Background Whether or not ankles can be replaced with reasonable safety has been the subject of debate. We present the results of a nationwide series of total ankle arthroplasties. Patients and methods All Swedish hospitals that implant or have implanted modern three-component ankle prostheses reported demographic data and date of index and revision surgery to a central register. After the data had been introduced into a database, prosthetic survival rates with exchange or permanent extraction of components as endpoint were calculated. Results Of the 531 prostheses implanted, 101 had been revised by June 15, 2006. The overall survival rate at 5 years was 0.78 (95% CI: 0.74-0.82). For the three surgeons who had inserted the majority of the STAR ankles, the survival rates became significantly higher after the first 30 cases had been performed and was estimated to be 0.86 (0.80-0.93) at 5 years. Lower age at index surgery implied increased risk of revision whereas diagnosis or gender did not. Interpretation Ankle replacement is a valuable alternative to arthrodesis. However, replacing an ankle is a demanding procedure and the survival is not comparable to that after hip or knee replacement. It is obvious that with increasing experience, the results-including prosthetic survival-will improve.},
  author       = {Henricson, Anders and Skoog, Anne and Carlsson, Åke},
  issn         = {1745-3682},
  language     = {eng},
  number       = {5},
  pages        = {569--574},
  publisher    = {Taylor & Francis},
  series       = {Acta Orthopaedica},
  title        = {The Swedish ankle arthroplasty register - An analysis of 531 arthroplasties between 1993 and 2005},
  url          = {http://dx.doi.org/10.1080/17453670710014248},
  volume       = {78},
  year         = {2007},
}