Evaluation of a quantitative measurement of suprapatellar effusion by ultrasonography and its association with symptoms of radiographic knee osteoarthritis: a cross-sectional observational studyReportar como inadecuado




Evaluation of a quantitative measurement of suprapatellar effusion by ultrasonography and its association with symptoms of radiographic knee osteoarthritis: a cross-sectional observational study - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Arthritis Research and Therapy

, 18:181

First Online: 04 August 2016Received: 07 March 2016Accepted: 15 July 2016

Abstract

BackgroundQuantitative measurement of knee joint effusion by ultrasonography has not been well established; however, a categorical measurement e.g., a ≥4-mm-deep suprapatellar pouch is recommended. Therefore, the current study aimed to elucidate the association between symptoms of knee osteoarthritis OA and the quantitative measurement of suprapatellar effusion by ultrasonography.

MethodsOne hundred twenty-seven volunteers participated 31 men and 96 women; mean age: 68.3 ± 9.8 years; body mass index: 23.2 ± 3.0 kg-m. The Kellgren-Lawrence grades KLGs of both knees were assessed; all subjects had definitive osteoarthritic change KLG ≥2 in both knee joints. Joint effusion was evaluated using an ultrasound probe, which was placed longitudinally on the suprapatellar pouch, and we determined the area mm of the echo-free space. Then we summed the effusion area of both knees. All subjects answered the knee injury and osteoarthritis outcome scale KOOS questionnaire. Multiple linear regression analysis was conducted to elucidate the association between the summed value of the knee effusion area and the KOOS subscales, which were adjusted by age, sex, body mass index, and KLG.

ResultsOf 254 knees, 180 were KLG 2, 57 were KLG 3, and 17 were KLG 4. The multiple regression models showed that the quantitative knee effusion area significantly correlated with the following KOOS subscales: pain B = −0.057; β = −0.253; P = 0.002, symptom B = −0.053; β = −0.251; P = 0.002, sport and recreation B = −0.069; β = −0.205; P = 0.007, and quality of life B = −0.083; β = −0.276; P = 0.001.

ConclusionIn this cross-sectional study, the quantitative measurement of suprapatellar effusion by ultrasonography was associated with symptoms of radiographic knee OA.

KeywordsKnee osteoarthritis Ultrasonography Suprapatellar effusion Knee symptoms  Download fulltext PDF



Autor: Daisuke Chiba - Eiichi Tsuda - Shugo Maeda - Eiji Sasaki - Ippei Takahashi - Shigeyuki Nakaji - Yasuyuki Ishibashi

Fuente: https://link.springer.com/



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