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SHR Neuro Cancer Cardio Lipid Metab Microb
Duftner, C; Redlinger, N; Bruyn, GA; Chadachan, V; Chrysidis, S; Correyero, M; D'Agostino, MA; Dalsgaard, Nielsen, B; Dasgupta, B; De, Miguel, E; Diamantopoulos, AP; Fulvio, G; Gkikopoulos, N; Hartung, W; Hocevar, A; Keen, H; Kurteva, V; Mandl, P; Manger, E; Mercatelli, P; Midtgard, I; Monti, S; Muller, R; Mykkänen, K; Pineda, C; Ponte, C; Reffat, D; Sarbu, AC; Seitz, L; Terslev, L; Schmidt, W; Dejaco, C.
Reliability of the OMERACT Giant cell arteritis Ultrasonography Score (OGUS): results of a patient-based exercise involving experts and non-experts in vascular ultrasonography.
RMD Open. 2025; 11(1): e004667
Doi: 10.1136/rmdopen-2024-004667
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- Co-authors Med Uni Graz
- Dejaco Christian
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- Abstract:
- OBJECTIVE: To test the reliability of the Outcome Measures in Rheumatology Giant cell arteritis (GCA) Ultrasonography Score (OGUS) and other composite scores in a patient-based exercise involving experts and non-experts in vascular ultrasonography. METHODS: Six GCA patients were scanned twice (two rounds separated ≥3 hours) by 12 experts and 12 non-experts. Non-experts received 90 min of theoretical and 240 min of practical training between rounds 1 and 2. Ultrasonography was conducted on temporal arteries (common superficial, frontal and parietal branches) and axillary arteries bilaterally to calculate the OGUS, the Southend score and the Halo count. Inter-reader and intra-reader reliability were assessed by intraclass correlation coefficient (ICC). RESULTS: Mean age of GCA patients was 78±5.1 years, 2 (33.3%) were women, and all were in clinical remission. Expert inter-reader ICC of the OGUS was 0.60 in both rounds, 0.40 in round 1 and 0.51 in round 2 for the Southend score and 0.45 and 0.52, respectively, for the Halo count. Median ICCs for intra-reader reliability were 0.86, 0.73 and 0.65 for the OGUS, Southend score and Halo count, respectively.For non-experts, inter-reader ICCs in round 1 were 0.20 for the OGUS, 0.20 for a normalised Southend score (=score divided by available segments) and 0.35 for a normalised Halo count. After training, inter-reader reliability ICCs improved to 0.52, 0.29 and 0.54, respectively. CONCLUSION: Inter-reader reliability was fair to moderate, and intra-reader reliability was good for OGUS, Southend score and Halo count among experts. Inter-reader reliability of non-experts in vascular ultrasonography improved after the training.
- Find related publications in this database (using NLM MeSH Indexing)
- Humans - administration & dosage
- Giant Cell Arteritis - diagnostic imaging, diagnosis
- Female - administration & dosage
- Aged - administration & dosage
- Reproducibility of Results - administration & dosage
- Male - administration & dosage
- Ultrasonography - methods
- Temporal Arteries - diagnostic imaging
- Severity of Illness Index - administration & dosage
- Aged, 80 and over - administration & dosage
- Axillary Artery - diagnostic imaging
- Observer Variation - administration & dosage
- Find related publications in this database (Keywords)
- Giant Cell Arteritis
- Ultrasonography
- Vasculitis