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Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group
OBJECTIVES: To define the elementary ultrasound (US) lesions in giant cell arteritis (GCA) and to evaluate the reliability of the assessment of US lesions according to these definitions in a web-based reliability exercise. METHODS: Potential definitions of normal and abnormal US findings of temporal...
Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5976098/ https://www.ncbi.nlm.nih.gov/pubmed/29862043 http://dx.doi.org/10.1136/rmdopen-2017-000598 |
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author | Chrysidis, Stavros Duftner, Christina Dejaco, Christian Schäfer, Valentin S Ramiro, Sofia Carrara, Greta Scirè, Carlo Alberto Hocevar, Alojzija Diamantopoulos, Andreas P Iagnocco, Annamaria Mukhtyar, Chetan Ponte, Cristina Naredo, Esperanza De Miguel, Eugenio Bruyn, George A Warrington, Kenneth J Terslev, Lene Milchert, Marcin D’Agostino, Maria Antonietta Koster, Mattew J Rastalsky, Naina Hanova, Petra Macchioni, Pierluigi Kermani, Tanaz A Lorenzen, Tove Døhn, Uffe Møller Fredberg, Ulrich Hartung, Wolfgang Dasgupta, Bhaskar Schmidt, Wolfgang A |
author_facet | Chrysidis, Stavros Duftner, Christina Dejaco, Christian Schäfer, Valentin S Ramiro, Sofia Carrara, Greta Scirè, Carlo Alberto Hocevar, Alojzija Diamantopoulos, Andreas P Iagnocco, Annamaria Mukhtyar, Chetan Ponte, Cristina Naredo, Esperanza De Miguel, Eugenio Bruyn, George A Warrington, Kenneth J Terslev, Lene Milchert, Marcin D’Agostino, Maria Antonietta Koster, Mattew J Rastalsky, Naina Hanova, Petra Macchioni, Pierluigi Kermani, Tanaz A Lorenzen, Tove Døhn, Uffe Møller Fredberg, Ulrich Hartung, Wolfgang Dasgupta, Bhaskar Schmidt, Wolfgang A |
author_sort | Chrysidis, Stavros |
collection | PubMed |
description | OBJECTIVES: To define the elementary ultrasound (US) lesions in giant cell arteritis (GCA) and to evaluate the reliability of the assessment of US lesions according to these definitions in a web-based reliability exercise. METHODS: Potential definitions of normal and abnormal US findings of temporal and extracranial large arteries were retrieved by a systematic literature review. As a subsequent step, a structured Delphi exercise was conducted involving an expert panel of the Outcome Measures in Rheumatology (OMERACT) US Large Vessel Vasculitis Group to agree definitions of normal US appearance and key elementary US lesions of vasculitis of temporal and extracranial large arteries. The reliability of these definitions on normal and abnormal blood vessels was tested on 150 still images and videos in a web-based reliability exercise. RESULTS: Twenty-four experts participated in both Delphi rounds. From originally 25 statements, nine definitions were obtained for normal appearance, vasculitis and arteriosclerosis of cranial and extracranial vessels. The ‘halo’ and ‘compression’ signs were the key US lesions in GCA. The reliability of the definitions for normal temporal and axillary arteries, the ‘halo’ sign and the ‘compression’ sign was excellent with inter-rater agreements of 91–99% and mean kappa values of 0.83–0.98 for both inter-rater and intra-rater reliabilities of all 25 experts. CONCLUSIONS: The ‘halo’ and the ‘compression’ signs are regarded as the most important US abnormalities for GCA. The inter-rater and intra-rater agreement of the new OMERACT definitions for US lesions in GCA was excellent. |
format | Online Article Text |
id | pubmed-5976098 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | BMJ Publishing Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-59760982018-06-01 Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group Chrysidis, Stavros Duftner, Christina Dejaco, Christian Schäfer, Valentin S Ramiro, Sofia Carrara, Greta Scirè, Carlo Alberto Hocevar, Alojzija Diamantopoulos, Andreas P Iagnocco, Annamaria Mukhtyar, Chetan Ponte, Cristina Naredo, Esperanza De Miguel, Eugenio Bruyn, George A Warrington, Kenneth J Terslev, Lene Milchert, Marcin D’Agostino, Maria Antonietta Koster, Mattew J Rastalsky, Naina Hanova, Petra Macchioni, Pierluigi Kermani, Tanaz A Lorenzen, Tove Døhn, Uffe Møller Fredberg, Ulrich Hartung, Wolfgang Dasgupta, Bhaskar Schmidt, Wolfgang A RMD Open Vasculitis OBJECTIVES: To define the elementary ultrasound (US) lesions in giant cell arteritis (GCA) and to evaluate the reliability of the assessment of US lesions according to these definitions in a web-based reliability exercise. METHODS: Potential definitions of normal and abnormal US findings of temporal and extracranial large arteries were retrieved by a systematic literature review. As a subsequent step, a structured Delphi exercise was conducted involving an expert panel of the Outcome Measures in Rheumatology (OMERACT) US Large Vessel Vasculitis Group to agree definitions of normal US appearance and key elementary US lesions of vasculitis of temporal and extracranial large arteries. The reliability of these definitions on normal and abnormal blood vessels was tested on 150 still images and videos in a web-based reliability exercise. RESULTS: Twenty-four experts participated in both Delphi rounds. From originally 25 statements, nine definitions were obtained for normal appearance, vasculitis and arteriosclerosis of cranial and extracranial vessels. The ‘halo’ and ‘compression’ signs were the key US lesions in GCA. The reliability of the definitions for normal temporal and axillary arteries, the ‘halo’ sign and the ‘compression’ sign was excellent with inter-rater agreements of 91–99% and mean kappa values of 0.83–0.98 for both inter-rater and intra-rater reliabilities of all 25 experts. CONCLUSIONS: The ‘halo’ and the ‘compression’ signs are regarded as the most important US abnormalities for GCA. The inter-rater and intra-rater agreement of the new OMERACT definitions for US lesions in GCA was excellent. BMJ Publishing Group 2018-05-17 /pmc/articles/PMC5976098/ /pubmed/29862043 http://dx.doi.org/10.1136/rmdopen-2017-000598 Text en © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted. This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/ |
spellingShingle | Vasculitis Chrysidis, Stavros Duftner, Christina Dejaco, Christian Schäfer, Valentin S Ramiro, Sofia Carrara, Greta Scirè, Carlo Alberto Hocevar, Alojzija Diamantopoulos, Andreas P Iagnocco, Annamaria Mukhtyar, Chetan Ponte, Cristina Naredo, Esperanza De Miguel, Eugenio Bruyn, George A Warrington, Kenneth J Terslev, Lene Milchert, Marcin D’Agostino, Maria Antonietta Koster, Mattew J Rastalsky, Naina Hanova, Petra Macchioni, Pierluigi Kermani, Tanaz A Lorenzen, Tove Døhn, Uffe Møller Fredberg, Ulrich Hartung, Wolfgang Dasgupta, Bhaskar Schmidt, Wolfgang A Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group |
title | Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group |
title_full | Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group |
title_fullStr | Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group |
title_full_unstemmed | Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group |
title_short | Definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the OMERACT Large Vessel Vasculitis Ultrasound Working Group |
title_sort | definitions and reliability assessment of elementary ultrasound lesions in giant cell arteritis: a study from the omeract large vessel vasculitis ultrasound working group |
topic | Vasculitis |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5976098/ https://www.ncbi.nlm.nih.gov/pubmed/29862043 http://dx.doi.org/10.1136/rmdopen-2017-000598 |
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