Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients

Abstract Worldwide, knee osteoarthritis (KOA) accounts for 2.2% of total years lived with disability. There is a low correlation between joint tissue damage and pain intensity. Periarticular structures may be involved and cannot be identified in X-rays. To describe the main ultrasonography (USG) cha...

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Autores principales:	Claudia Andreia Rabay Pimentel Abicalaf, Leticia Naomi Nakada, Felipe Ricardo Aquino dos Santos, Ichiro Akiho, Artur Cesar Aquino dos Santos, Marta Imamura, Linamara Rizzo Battistella
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8bb6374d65e348dfa585cb84dd9421c5
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spelling	oai:doaj.org-article:8bb6374d65e348dfa585cb84dd9421c52021-12-02T15:10:39ZUltrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients10.1038/s41598-021-95419-32045-2322https://doaj.org/article/8bb6374d65e348dfa585cb84dd9421c52021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95419-3https://doaj.org/toc/2045-2322Abstract Worldwide, knee osteoarthritis (KOA) accounts for 2.2% of total years lived with disability. There is a low correlation between joint tissue damage and pain intensity. Periarticular structures may be involved and cannot be identified in X-rays. To describe the main ultrasonography (USG) changes in symptomatic patients with primary KOA; to correlate the number of USG findings with KOA severity assessed by Kellgren and Lawrence (K&L) radiological scores, with pain intensity measured by a visual analogue scale (VAS) and with functioning scores assessed with the Timed up and go test (TUG) and Western Ontario and McMaster Universities (WOMAC) questionnaire. 100 patients with primary symptomatic KOA were assessed with X-ray and USG. Quantitative and qualitative analyses were evaluated in a systematic manner. The most frequent findings were joint effusion, pes anserinus bursitis, quadriceps tendon enthesopathy, popliteal cyst, iliotibial band tendinitis and patellar tendinitis. Pearson’s correlation analysis demonstrated a significant moderate positive association between VAS scores and the number of USG findings (r = 0.36; p < 0.0001). The number of USG findings was different between K&L grades I and III (p = 0.041), I and IV (p < 0.001), and II and IV (p = 0.001, analysis of variance with Bonferroni correction). There was significant association between number of USG findings and TUG (r = 0.18; p = 0.014) and WOMAC scores for pain (r = 0.16; p < 0.029) and physical function domains (r = 0.16; p < 0.028). The most frequent USG finding was joint effusion. Periarticular structures should be explored as potential sources of pain and disability.Claudia Andreia Rabay Pimentel AbicalafLeticia Naomi NakadaFelipe Ricardo Aquino dos SantosIchiro AkihoArtur Cesar Aquino dos SantosMarta ImamuraLinamara Rizzo BattistellaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Claudia Andreia Rabay Pimentel Abicalaf Leticia Naomi Nakada Felipe Ricardo Aquino dos Santos Ichiro Akiho Artur Cesar Aquino dos Santos Marta Imamura Linamara Rizzo Battistella Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
description	Abstract Worldwide, knee osteoarthritis (KOA) accounts for 2.2% of total years lived with disability. There is a low correlation between joint tissue damage and pain intensity. Periarticular structures may be involved and cannot be identified in X-rays. To describe the main ultrasonography (USG) changes in symptomatic patients with primary KOA; to correlate the number of USG findings with KOA severity assessed by Kellgren and Lawrence (K&L) radiological scores, with pain intensity measured by a visual analogue scale (VAS) and with functioning scores assessed with the Timed up and go test (TUG) and Western Ontario and McMaster Universities (WOMAC) questionnaire. 100 patients with primary symptomatic KOA were assessed with X-ray and USG. Quantitative and qualitative analyses were evaluated in a systematic manner. The most frequent findings were joint effusion, pes anserinus bursitis, quadriceps tendon enthesopathy, popliteal cyst, iliotibial band tendinitis and patellar tendinitis. Pearson’s correlation analysis demonstrated a significant moderate positive association between VAS scores and the number of USG findings (r = 0.36; p < 0.0001). The number of USG findings was different between K&L grades I and III (p = 0.041), I and IV (p < 0.001), and II and IV (p = 0.001, analysis of variance with Bonferroni correction). There was significant association between number of USG findings and TUG (r = 0.18; p = 0.014) and WOMAC scores for pain (r = 0.16; p < 0.029) and physical function domains (r = 0.16; p < 0.028). The most frequent USG finding was joint effusion. Periarticular structures should be explored as potential sources of pain and disability.
format	article
author	Claudia Andreia Rabay Pimentel Abicalaf Leticia Naomi Nakada Felipe Ricardo Aquino dos Santos Ichiro Akiho Artur Cesar Aquino dos Santos Marta Imamura Linamara Rizzo Battistella
author_facet	Claudia Andreia Rabay Pimentel Abicalaf Leticia Naomi Nakada Felipe Ricardo Aquino dos Santos Ichiro Akiho Artur Cesar Aquino dos Santos Marta Imamura Linamara Rizzo Battistella
author_sort	Claudia Andreia Rabay Pimentel Abicalaf
title	Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
title_short	Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
title_full	Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
title_fullStr	Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
title_full_unstemmed	Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
title_sort	ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8bb6374d65e348dfa585cb84dd9421c5
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Ultrasonography findings in knee osteoarthritis: a prospective observational cross-sectional study of 100 patients

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