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Application and surgical technique of total knee arthroplasties: a systematic comparative analysis using worldwide registers.

Abstract：

PURPOSE:The aim of this study was to compare total knee arthroplasty (TKA) procedures between different countries with regard to epidemiological data and surgical technique by reference to the worldwide arthroplasty registers. METHODS:A systematic search was carried out using the EFORT website to identify the relevant arthroplasty registers. We extracted data with respect to the number of implanted TKAs, patients' age distribution, procedure types, and revision rates. After identification of 28 national arthroplasty registers, 11 offered sufficient data regarding the above mentioned parameters and were therefore included in the final analysis. RESULTS:A large variation was found in the annual number of primary TKA implantations per inhabitant with a reported range from 30 to 199 per 100,000 (mean 106). The fixation method varied strongly between the different registers as well, e.g. 90 % of totally cemented TKAs in Sweden, England and Wales, Slovakia, and New Zealand versus 54 % cemented fixation in Australia. Another significant difference between included countries was observed with respect to the use of patellar resurfacing in TKA. Whilst the Danish knee arthroplasty register reports a percentage of 72 % using a patellar button in TKA the register from Norway reports only a minority of 2 %. CONCLUSIONS:The comparison of arthroplasty registers revealed large differences regarding the annual number of primary TKAs per inhabitant and primary TKA procedure types. These variations may be explained by several factors such as patient demographics (prevalence of osteoarthritis) and national conditions such as healthcare systems (insurance status), number or availability of performing surgeons, medical facilities and surgeon-dependent factors such as definition of indications, education, tradition and experience.

journal_name

Int Orthop

journal_title

International orthopaedics

authors

Vielgut I,Kastner N,Pichler K,Holzer L,Glehr M,Gruber G,Leithner A,Labek G,Sadoghi P

doi

10.1007/s00264-013-1933-2

subject

Has Abstract

pub_date

2013-08-01 00:00:00

pages

1465-9

issue

eissn

0341-2695

issn

1432-5195

journal_volume

pub_type

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Application and surgical technique of total knee arthroplasties: a systematic comparative analysis using worldwide registers.