Comparison of halo and compression signs assessed by a high frequency ultrasound probe for the diagnosis of Giant Cell Arteritis.
Giant cell arteritis
High-frequency probe
Ultrasound
Journal
Journal of ultrasound
ISSN: 1876-7931
Titre abrégé: J Ultrasound
Pays: Italy
ID NLM: 101315005
Informations de publication
Date de publication:
Dec 2022
Dec 2022
Historique:
received:
14
06
2021
accepted:
18
08
2021
pubmed:
16
4
2022
medline:
1
12
2022
entrez:
15
4
2022
Statut:
ppublish
Résumé
To evaluate the diagnosis performances of halo and compression signs alone and combined, assessed by a high frequency 22-MHz probe, and test their agreement in giant cell arteritis (GCA). In this cross-sectional study on patients suspected with GCA, halo sign was defined as hypo or iso-echogenic circumferential aspect of the vessel wall in transverse or longitudinal view; and compression sign was defined as visibility of the vessel wall upon transducer-imposed compression of the artery. Agreement of the two signs was tested using the Cohen's kappa statistic. A total of 80 patients (50% women) were included with a mean age of 74.4 years. Twenty participants (25%) were ultimately treated for GCA. Halo and compression signs have respective prevalences of 35% and 48%, with respective sensitivity and specificity of 80% and 80% for the halo sign; and 85% and 65% for the compression sign. The kappa coefficient for the global agreement of the two signs was 0.67 (95% confident interval: 0.54-0.85). Combination of the two signs give a sensitivity of 80% and a specificity of 81.7%. Halo and compression signs assessed by a high frequency probe, show a good level of agreement for the diagnosis of GCA and improve ultrasound specificity when combined together.
Identifiants
pubmed: 35426608
doi: 10.1007/s40477-021-00618-3
pii: 10.1007/s40477-021-00618-3
pmc: PMC9705675
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
837-845Informations de copyright
© 2022. Società Italiana di Ultrasonologia in Medicina e Biologia (SIUMB).
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