Salivary gland ultrasound is associated with the presence of autoantibodies in patients with Sjögren’s syndrome: A Danish single-centre study

Nanna Surlemont Schmidt, Anne Voss, Anna Christine Nilsson, Lene Terslev, Søren Andreas Just, Hanne M. Lindegaard*

*Kontaktforfatter

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Abstract

Objectives To investigate whether ultrasound findings of major salivary glands are correlated with serological markers, autoantibodies, patient- or doctor-reported disease activity in a Danish cohort of patients with primary Sjögren’s Syndrome (pSS). Methods In all, 49 patients at Odense University Hospital with pSS diagnosed according to the 2002 American-European Consensus Group (AECG) classification criteria were included. Patients were characterized using the EULAR Sjögren’s Syndrome Disease Activity Index (ESSDAI, score of systemic complications) and EULAR Sjögren’s Syndrome Patient Reported Index (ESSPRI), serologic markers, Schirmer’s test and salivary test. Salivary gland ultrasound (SGUS) was performed of the submandibular and parotid glands and scored according to the Outcome Measures in Rheumatoid Arthritis Clinical Trials (OMERACT) semi-quantitative scoring system. Results More patients with abnormal SGUS had antinuclear antibodies (ANA) (p = 0.002), anti-Ro52 (p = 0.001), anti-Ro60 (p<0.001), anti-La (p<0.001) and IgM-RF (p<0.001). Titers for ANA (p = 0.02) and anti-Ro52 (p = 0.03) were higher in patients with abnormal SGUS. Twenty-three of the pSS patients had no pathological findings on SGUS. There was no correlation between SGUS severity and ESSDAI- or ESSPRI-scores. Conclusions Abnormal SGUS findings are associated with autoantibodies of high specificity for pSS but not with ESSDAI, ESSPRI or inflammatory markers.

OriginalsprogEngelsk
Artikelnummere0265057
TidsskriftPLOS ONE
Vol/bind17
Udgave nummer12
ISSN1932-6203
DOI
StatusUdgivet - dec. 2022

Bibliografisk note

Copyright: © 2022 Schmidt et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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