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Validation of primary metal-on-metal hip arthroplasties on the National Joint Registry for England, Wales and Northern Ireland using data from the London Implant Retrieval Centre: a study using the NJR dataset

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Validation of primary metal-on-metal hip arthroplasties on the National Joint Registry for England, Wales and Northern Ireland using data from the London Implant Retrieval Centre : a study using the NJR dataset. / Sabah, S. A.; Henckel, J.; Cook, E.; Whittaker, R.; Hothi, H.; Pappas, Y.; Blunn, G.; Skinner, J. A.; Hart, A. J.

In: Bone & Joint Research, Vol. 97-B, No. 1, 01.2015, p. 10-8.

Research output: Contribution to journalArticlepeer-review

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Sabah, S. A. ; Henckel, J. ; Cook, E. ; Whittaker, R. ; Hothi, H. ; Pappas, Y. ; Blunn, G. ; Skinner, J. A. ; Hart, A. J. / Validation of primary metal-on-metal hip arthroplasties on the National Joint Registry for England, Wales and Northern Ireland using data from the London Implant Retrieval Centre : a study using the NJR dataset. In: Bone & Joint Research. 2015 ; Vol. 97-B, No. 1. pp. 10-8.

Bibtex

@article{12636d674571408baf338311f7abcbf2,
title = "Validation of primary metal-on-metal hip arthroplasties on the National Joint Registry for England, Wales and Northern Ireland using data from the London Implant Retrieval Centre: a study using the NJR dataset",
abstract = "Arthroplasty registries are important for the surveillance of joint replacements and the evaluation of outcome. Independent validation of registry data ensures high quality. The ability for orthopaedic implant retrieval centres to validate registry data is not known. We analysed data from the National Joint Registry for England, Wales and Northern Ireland (NJR) for primary metal-on-metal hip arthroplasties performed between 2003 and 2013. Records were linked to the London Implant Retrieval Centre (RC) for validation. A total of 67,045 procedures on the NJR and 782 revised pairs of components from the RC were included. We were able to link 476 procedures (60.9%) recorded with the RC to the NJR successfully. However, 306 procedures (39.1%) could not be linked. The outcome recorded by the NJR (as either revised, unrevised or death) for a primary procedure was incorrect in 79 linked cases (16.6%). The rate of registry-retrieval linkage and correct assignment of outcome code improved over time. The rates of error for component reference numbers on the NJR were as follows: femoral head category number 14/229 (5.0%); femoral head batch number 13/232 (5.3%); acetabular component category number 2/293 (0.7%) and acetabular component batch number 24/347 (6.5%). Registry-retrieval linkage provided a novel means for the validation of data, particularly for component fields. This study suggests that NJR reports may underestimate rates of revision for many types of metal-on-metal hip replacement. This is topical given the increasing scope for NJR data. We recommend a system for continuous independent evaluation of the quality and validity of NJR data.",
keywords = "Arthroplasty, Replacement, Hip, Cohort Studies, Datasets as Topic, England, Female, Hip Prosthesis, Humans, Incidence, London, Male, Metals, Northern Ireland, Osteoarthritis, Hip, Prognosis, Prosthesis Design, Prosthesis Failure, Registries, Reoperation, Retrospective Studies, Risk Assessment, State Medicine, Treatment Outcome, Wales, Journal Article, Research Support, Non-U.S. Gov't, Validation Studies",
author = "Sabah, {S. A.} and J. Henckel and E. Cook and R. Whittaker and H. Hothi and Y. Pappas and G. Blunn and Skinner, {J. A.} and Hart, {A. J.}",
note = "Post-print is unavailable.",
year = "2015",
month = jan,
doi = "10.1302/0301-620X.97B1.35279",
language = "English",
volume = "97-B",
pages = "10--8",
journal = "Bone & Joint Research",
issn = "2046-3758",
publisher = "The British Editorial Society of Bone & Joint Surgery",
number = "1",

}

RIS

TY - JOUR

T1 - Validation of primary metal-on-metal hip arthroplasties on the National Joint Registry for England, Wales and Northern Ireland using data from the London Implant Retrieval Centre

T2 - a study using the NJR dataset

AU - Sabah, S. A.

AU - Henckel, J.

AU - Cook, E.

AU - Whittaker, R.

AU - Hothi, H.

AU - Pappas, Y.

AU - Blunn, G.

AU - Skinner, J. A.

AU - Hart, A. J.

N1 - Post-print is unavailable.

PY - 2015/1

Y1 - 2015/1

N2 - Arthroplasty registries are important for the surveillance of joint replacements and the evaluation of outcome. Independent validation of registry data ensures high quality. The ability for orthopaedic implant retrieval centres to validate registry data is not known. We analysed data from the National Joint Registry for England, Wales and Northern Ireland (NJR) for primary metal-on-metal hip arthroplasties performed between 2003 and 2013. Records were linked to the London Implant Retrieval Centre (RC) for validation. A total of 67,045 procedures on the NJR and 782 revised pairs of components from the RC were included. We were able to link 476 procedures (60.9%) recorded with the RC to the NJR successfully. However, 306 procedures (39.1%) could not be linked. The outcome recorded by the NJR (as either revised, unrevised or death) for a primary procedure was incorrect in 79 linked cases (16.6%). The rate of registry-retrieval linkage and correct assignment of outcome code improved over time. The rates of error for component reference numbers on the NJR were as follows: femoral head category number 14/229 (5.0%); femoral head batch number 13/232 (5.3%); acetabular component category number 2/293 (0.7%) and acetabular component batch number 24/347 (6.5%). Registry-retrieval linkage provided a novel means for the validation of data, particularly for component fields. This study suggests that NJR reports may underestimate rates of revision for many types of metal-on-metal hip replacement. This is topical given the increasing scope for NJR data. We recommend a system for continuous independent evaluation of the quality and validity of NJR data.

AB - Arthroplasty registries are important for the surveillance of joint replacements and the evaluation of outcome. Independent validation of registry data ensures high quality. The ability for orthopaedic implant retrieval centres to validate registry data is not known. We analysed data from the National Joint Registry for England, Wales and Northern Ireland (NJR) for primary metal-on-metal hip arthroplasties performed between 2003 and 2013. Records were linked to the London Implant Retrieval Centre (RC) for validation. A total of 67,045 procedures on the NJR and 782 revised pairs of components from the RC were included. We were able to link 476 procedures (60.9%) recorded with the RC to the NJR successfully. However, 306 procedures (39.1%) could not be linked. The outcome recorded by the NJR (as either revised, unrevised or death) for a primary procedure was incorrect in 79 linked cases (16.6%). The rate of registry-retrieval linkage and correct assignment of outcome code improved over time. The rates of error for component reference numbers on the NJR were as follows: femoral head category number 14/229 (5.0%); femoral head batch number 13/232 (5.3%); acetabular component category number 2/293 (0.7%) and acetabular component batch number 24/347 (6.5%). Registry-retrieval linkage provided a novel means for the validation of data, particularly for component fields. This study suggests that NJR reports may underestimate rates of revision for many types of metal-on-metal hip replacement. This is topical given the increasing scope for NJR data. We recommend a system for continuous independent evaluation of the quality and validity of NJR data.

KW - Arthroplasty, Replacement, Hip

KW - Cohort Studies

KW - Datasets as Topic

KW - England

KW - Female

KW - Hip Prosthesis

KW - Humans

KW - Incidence

KW - London

KW - Male

KW - Metals

KW - Northern Ireland

KW - Osteoarthritis, Hip

KW - Prognosis

KW - Prosthesis Design

KW - Prosthesis Failure

KW - Registries

KW - Reoperation

KW - Retrospective Studies

KW - Risk Assessment

KW - State Medicine

KW - Treatment Outcome

KW - Wales

KW - Journal Article

KW - Research Support, Non-U.S. Gov't

KW - Validation Studies

U2 - 10.1302/0301-620X.97B1.35279

DO - 10.1302/0301-620X.97B1.35279

M3 - Article

C2 - 25568407

VL - 97-B

SP - 10

EP - 18

JO - Bone & Joint Research

JF - Bone & Joint Research

SN - 2046-3758

IS - 1

ER -

ID: 8579229