The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.

<h4>Background</h4>Preservation of joint line height is an important factor in post-operative function after Total Knee Arthroplasty (TKA). This is the first study investigating the reliability of the novel Imperial Joint Line Congruency Measurement (IJLCM) technique for the assessment o...

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Autores principales: Ravi Popat, Kieran Dhillon, Piyush Mahapatra, Hasaan Khan, Dinesh Nathwani
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Publicado: Public Library of Science (PLoS) 2021
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spelling oai:doaj.org-article:b366e91395704164b740084ce1ff24122021-12-02T20:06:20ZThe Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.1932-620310.1371/journal.pone.0257325https://doaj.org/article/b366e91395704164b740084ce1ff24122021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0257325https://doaj.org/toc/1932-6203<h4>Background</h4>Preservation of joint line height is an important factor in post-operative function after Total Knee Arthroplasty (TKA). This is the first study investigating the reliability of the novel Imperial Joint Line Congruency Measurement (IJLCM) technique for the assessment of joint line height using plain radiographs.<h4>Methods</h4>The reliability of two techniques used to measure joint line height on pre-operative and post-operative plain radiographs is presented. 120 patients that underwent TKA from 6 different international centres were included. Measurements were performed using each technique by two senior orthopaedic surgeons at two different timepoints (test-retest). Two undergraduate medical students performed joint line measurements using the most reproducible of the two techniques on 40 pre-operative and post-operative images to establish the reliability of the measurement technique.<h4>Results</h4>The IJLCM demonstrated an average absolute difference of 1.83mm (CI 1.56-2.10mm) and excellent inter and intra-rater reliability between senior orthopaedic surgeons (>0.92 (CI 0.88-0.94) when measuring joint line height on plain radiographs. Overall Crohnbach's alpha over 0.92 confirmed internal consistency. Measurements performed using the control technique as previously described by Figgie et al. had an average absolute difference of 5.75mm (5.17-6.32mm). Comparison of measurements by senior orthopaedic surgeons and medical students using the IJLCM technique with ANOVA and student's t-test demonstrated acceptable agreement and inter-rater reliability of >0.92 (0.87-0.95).<h4>Conclusion</h4>This study shows excellent accuracy, precision, and reliability of the novel IJLCM technique. Furthermore, excellent agreement between senior orthopaedic surgeons and medical students when using the IJLCM could be shown. The IJLCM technique is reliable for joint line assessment.Ravi PopatKieran DhillonPiyush MahapatraHasaan KhanDinesh NathwaniPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 9, p e0257325 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Ravi Popat
Kieran Dhillon
Piyush Mahapatra
Hasaan Khan
Dinesh Nathwani
The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.
description <h4>Background</h4>Preservation of joint line height is an important factor in post-operative function after Total Knee Arthroplasty (TKA). This is the first study investigating the reliability of the novel Imperial Joint Line Congruency Measurement (IJLCM) technique for the assessment of joint line height using plain radiographs.<h4>Methods</h4>The reliability of two techniques used to measure joint line height on pre-operative and post-operative plain radiographs is presented. 120 patients that underwent TKA from 6 different international centres were included. Measurements were performed using each technique by two senior orthopaedic surgeons at two different timepoints (test-retest). Two undergraduate medical students performed joint line measurements using the most reproducible of the two techniques on 40 pre-operative and post-operative images to establish the reliability of the measurement technique.<h4>Results</h4>The IJLCM demonstrated an average absolute difference of 1.83mm (CI 1.56-2.10mm) and excellent inter and intra-rater reliability between senior orthopaedic surgeons (>0.92 (CI 0.88-0.94) when measuring joint line height on plain radiographs. Overall Crohnbach's alpha over 0.92 confirmed internal consistency. Measurements performed using the control technique as previously described by Figgie et al. had an average absolute difference of 5.75mm (5.17-6.32mm). Comparison of measurements by senior orthopaedic surgeons and medical students using the IJLCM technique with ANOVA and student's t-test demonstrated acceptable agreement and inter-rater reliability of >0.92 (0.87-0.95).<h4>Conclusion</h4>This study shows excellent accuracy, precision, and reliability of the novel IJLCM technique. Furthermore, excellent agreement between senior orthopaedic surgeons and medical students when using the IJLCM could be shown. The IJLCM technique is reliable for joint line assessment.
format article
author Ravi Popat
Kieran Dhillon
Piyush Mahapatra
Hasaan Khan
Dinesh Nathwani
author_facet Ravi Popat
Kieran Dhillon
Piyush Mahapatra
Hasaan Khan
Dinesh Nathwani
author_sort Ravi Popat
title The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.
title_short The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.
title_full The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.
title_fullStr The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.
title_full_unstemmed The Imperial Joint Line Congruency Measurement is a valuable tool in total knee arthroplasty.
title_sort imperial joint line congruency measurement is a valuable tool in total knee arthroplasty.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/b366e91395704164b740084ce1ff2412
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