Delineating the Application of Ultrasound in Detecting Synovial Abnormalities of the Subtalar Joint in Juvenile Idiopathic Arthritis

Arthritis Care & Research
Stefano LanniClara Malattia

Abstract

To investigate the frequency of ultrasound (US)-detectable involvement of the subtalar joint (STJ), to compare clinical versus US assessment of the STJ, and to compare different scanning approaches to the STJ in juvenile idiopathic arthritis (JIA). Clinical and US assessments were performed independently in 50 ankles with clinically active JIA. US abnormalities of the STJ were investigated using a lateral, medial, and posterior scanning approach and scored semiquantitatively. Agreement was tested using kappa statistics. A control group of 10 healthy subjects was examined. Clinical and US evaluations detected synovitis in 24 of 50 (48.0%) and 27 of 50 (54.0%) of STJs, respectively. US detected synovitis in 10 of 26 STJs (38.5%) recorded as normal on clinical evaluation, but was negative in 7 of 24 STJs (29.2%) diagnosed as having involvement on clinical examination. Agreement between clinical and US assessments was fair (κ = 0.32). US abnormalities were more frequently detectable using the lateral scanning approach. All patients with US abnormalities in the medial and/or posterior side of the STJ had also US abnormalities on the lateral scanning approach, but the reverse was not true. Intra- and interobserver agreements for the ...Continue Reading

References

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Jun 5, 2015·Foot and Ankle Clinics·Robert Lopez-Ben

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Citations

Nov 15, 2017·Pediatric Rheumatology Online Journal·Vanessa Bugni Miotto E SilvaMaria Teresa de Sande E Lemos Ramos Ascensão Terreri
Sep 8, 2018·Arthritis Care & Research·Tracy V TingUNKNOWN Childhood Arthritis and Rheumatology Research Alliance Juvenile Idiopathic Arthritis Ultrasound Workgroup
Apr 16, 2020·Current Rheumatology Reports·Johannes Roth
Apr 3, 2019·The Journal of Rheumatology·Gurjit S KaeleyJohannes Roth

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