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Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children

BACKGROUND: The usefulness of musculoskeletal ultrasonography (MSUS) in paediatric population is limited by lack of reference values. One of such parameters is hip joint capsule thickness, postulated as an early measure for synovitis. However, the joint capsule is hardly a distinguished structure fr...

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Autores principales: Żuber, Zbigniew, Owczarek, Aleksander, Sobczyk, Małgorzata, Migas-Majoch, Agata, Turowska-Heydel, Dorota, Sternal, Agnieszka, Michalczak, Justyna, Chudek, Jerzy
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5286797/
https://www.ncbi.nlm.nih.gov/pubmed/28143500
http://dx.doi.org/10.1186/s12969-017-0136-6
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author Żuber, Zbigniew
Owczarek, Aleksander
Sobczyk, Małgorzata
Migas-Majoch, Agata
Turowska-Heydel, Dorota
Sternal, Agnieszka
Michalczak, Justyna
Chudek, Jerzy
author_facet Żuber, Zbigniew
Owczarek, Aleksander
Sobczyk, Małgorzata
Migas-Majoch, Agata
Turowska-Heydel, Dorota
Sternal, Agnieszka
Michalczak, Justyna
Chudek, Jerzy
author_sort Żuber, Zbigniew
collection PubMed
description BACKGROUND: The usefulness of musculoskeletal ultrasonography (MSUS) in paediatric population is limited by lack of reference values. One of such parameters is hip joint capsule thickness, postulated as an early measure for synovitis. However, the joint capsule is hardly a distinguished structure from slit synovial cavity in patients with little or no fluid collection. Therefore, in patients without effusion, it is more convenient to measure hip joint capsule thickness together with synovial cavity. The aim of the study was to establish percentile chart for hip joint capsule and synovial cavity thickness (HJC&SCT) in apparently healthy children. MATERIAL AND METHODS: The analysis included 816 US of hip joint in 408 children without musculoskeletal disorders, distributed equally throughout the whole developmental period in 18 one-year subgroups. Hip joints US was performed according to standard protocol including measurement of HJC&SCT in a single rheumatology centre by three investigators. RESULTS: The 3rd, 10th, 25th, 50th, 75th, 90th, and 97th HJC&SCT percentile curves were depicted in the age and height charts for the combined group of girls and boys. The median HJC&SCT values were increasing with age from 3.7 (C10 - C90: 3.3 – 4.2) mm in the first year of life up to 6.7 (5.8 – 7.3) in 16 years old, and above. In a similar way the increase was seen with height from 3.9 (3.5 – 4.7) mm in shorter than 95 cm to 6.9 (6.2 – 7.4) mm in taller than 169 cm subjects. Intra-observer and inter-observer mean precision was less than 1.8 and 12.5%, respectively. CONCLUSION: The developed centile chart for hip joint capsule and synovial cavity thickness in the paediatric population is expected to improve detection of hip joint capsule disorders, including synovitis in juvenile idiopathic arthritis.
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spelling pubmed-52867972017-02-06 Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children Żuber, Zbigniew Owczarek, Aleksander Sobczyk, Małgorzata Migas-Majoch, Agata Turowska-Heydel, Dorota Sternal, Agnieszka Michalczak, Justyna Chudek, Jerzy Pediatr Rheumatol Online J Research Article BACKGROUND: The usefulness of musculoskeletal ultrasonography (MSUS) in paediatric population is limited by lack of reference values. One of such parameters is hip joint capsule thickness, postulated as an early measure for synovitis. However, the joint capsule is hardly a distinguished structure from slit synovial cavity in patients with little or no fluid collection. Therefore, in patients without effusion, it is more convenient to measure hip joint capsule thickness together with synovial cavity. The aim of the study was to establish percentile chart for hip joint capsule and synovial cavity thickness (HJC&SCT) in apparently healthy children. MATERIAL AND METHODS: The analysis included 816 US of hip joint in 408 children without musculoskeletal disorders, distributed equally throughout the whole developmental period in 18 one-year subgroups. Hip joints US was performed according to standard protocol including measurement of HJC&SCT in a single rheumatology centre by three investigators. RESULTS: The 3rd, 10th, 25th, 50th, 75th, 90th, and 97th HJC&SCT percentile curves were depicted in the age and height charts for the combined group of girls and boys. The median HJC&SCT values were increasing with age from 3.7 (C10 - C90: 3.3 – 4.2) mm in the first year of life up to 6.7 (5.8 – 7.3) in 16 years old, and above. In a similar way the increase was seen with height from 3.9 (3.5 – 4.7) mm in shorter than 95 cm to 6.9 (6.2 – 7.4) mm in taller than 169 cm subjects. Intra-observer and inter-observer mean precision was less than 1.8 and 12.5%, respectively. CONCLUSION: The developed centile chart for hip joint capsule and synovial cavity thickness in the paediatric population is expected to improve detection of hip joint capsule disorders, including synovitis in juvenile idiopathic arthritis. BioMed Central 2017-01-31 /pmc/articles/PMC5286797/ /pubmed/28143500 http://dx.doi.org/10.1186/s12969-017-0136-6 Text en © The Author(s). 2017 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Research Article
Żuber, Zbigniew
Owczarek, Aleksander
Sobczyk, Małgorzata
Migas-Majoch, Agata
Turowska-Heydel, Dorota
Sternal, Agnieszka
Michalczak, Justyna
Chudek, Jerzy
Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
title Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
title_full Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
title_fullStr Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
title_full_unstemmed Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
title_short Establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
title_sort establishing percentile charts for hip joint capsule and synovial cavity thickness in apparently healthy children
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5286797/
https://www.ncbi.nlm.nih.gov/pubmed/28143500
http://dx.doi.org/10.1186/s12969-017-0136-6
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