Applicability of shear wave elastography for the evaluation of skin strain in systemic sclerosis.

Rheumatology International
Piotr SobolewskiIrena Walecka

Abstract

The assessment of skin fibrosis is vital for the diagnosis and monitoring of treatment in the systemic sclerosis (SSc)-a severe autoimmune disease. The elastography is a technique of skin fibrosis assessment through the evaluation of skin strain. We compared the efficacy of the shear wave elastography (SWE) and commonly used modified Rodnan skin score (RSS) in skin fibrosis assessment in SSc. The study included 40 SSc patients and 28 healthy individuals, with the exclusion of individuals with other skin/autoimmune diseases. Skin thickness using RSS and skin strain using SWE were assessed in the same 20 body localizations. Subjects' informed consent and the bioethics committee approval were obtained. Elastographic skin strain correlated positively with both partial and overall RSS values, with strong positive correlation (r ≥ 0.75) for hands and fingers localizations in particular. In SSc patients with normal RSS values, the elastographic strain was significantly higher than in healthy controls. Elastographic strain of fingers' skin evaluated in SWE is highly accurate for distinguishing SSc patients (sensitivity 0.897-0.923, specificity 0.929-0.964, positive predictive value 0.946-0.973, negative predictive value 0.867-0.900). E...Continue Reading

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Citations

Jan 3, 2021·Rheumatology International·Monika DźwigałaIrena Walecka
Jan 16, 2021·Journal of Clinical Medicine·Katarzyna RutkaUrszula Łebkowska
May 7, 2021·Open Access Rheumatology : Research and Reviews·Barbara RuaroMarco Confalonieri
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