HF-Ultrasonography to Quantify Skin Atrophy in Patients with Inflammatory Rheumatic Diseases Treated with Courses of Glucocorticoids

<b>Background</b>: Prolonged courses of glucocorticoids (GCs) for patients suffering from inflammatory rheumatic diseases (IRDs) are associated with adverse effects. High-frequency ultrasonography (HFUS) has been utilized to quantify skin changes during short-term topical GC treatment. W...

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Bibliographic Details
Main Authors: Antonia Schuster, Andreas Horn, Florian Günther, Martin Fleck, Wolfgang Hartung, Boris Ehrenstein
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Diagnostics
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Online Access:https://www.mdpi.com/2075-4418/15/5/619
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Summary:<b>Background</b>: Prolonged courses of glucocorticoids (GCs) for patients suffering from inflammatory rheumatic diseases (IRDs) are associated with adverse effects. High-frequency ultrasonography (HFUS) has been utilized to quantify skin changes during short-term topical GC treatment. We aimed to quantify skin atrophy in IRD patients treated systemically with prolonged courses of GCs. <b>Methods</b>: We performed a cross-sectional study comparing patients with IRDs and GC treatment who presented with clinically evident skin atrophy to a matched cohort (1:1) without IRDs and GC treatment. Skinfold measurements, utilizing a standardized caliper, and B-mode HFUS images, utilizing an 18 MHz linear sonography probe, were acquired at back-of-hand, cubital, and dorsal midfoot regions and then compared between both groups. <b>Results</b>: A total of 53 GC-treated IRD patients (33 (62%) women, mean age 66.4 (±10.0) years, GC treatment median 8.0 (1.0–47.0) years) were compared to 53 subjects without IRDs and GC treatment (32 (60%) women, 65.9 (±11.3) years). Skinfold thickness measured at the back of hands [1.7 (±0.4) vs. 2.1 (±0.5) mm, <i>p</i> < 0.001], but not at the cubital [6.7 (±2.7) vs. 7.1 (±3.0) mm] or dorsal midfoot [3.6 (±3.7) vs. 4.1 (±3.4) mm] areas, showed a significant difference between the groups. In comparison, all areas displayed statistically significant different cutaneous thickness in the evaluation by HFUS: hand 0.66 (±0.12) vs. 0.82 (±0.18), <i>p</i> < 0.001; cubital 0.86 (±0.15) vs. 1.00 (±0.21), <i>p</i> < 0.001; and midfoot 0.76 (±0.16) vs. 0.94 (±0.18), <i>p</i> < 0.001. <b>Conclusions</b>: This study revealed significantly lower values in the measured cutaneous thickness by HFUS for GC-treated patients with IRDs compared to persons without IRD and GC treatment.
ISSN:2075-4418