期刊
SEMINARS IN ARTHRITIS AND RHEUMATISM
卷 51, 期 2, 页码 360-366出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.semarthrit.2021.01.007
关键词
Giant cell arteritis; Epidemiology; Incidence; Temporal Artery biopsy; Imaging; Glucocorticoids
类别
资金
- Danish Rheumatism Association [R163-A5661, R155-A4747]
- Aarhus University
This study investigated the development of giant cell arteritis (GCA) in Denmark from 1996 to 2018, finding stable incidence rates but increasing use of diagnostic imaging. There is a clear discrepancy between current international GCA treatment guidelines and clinical practice up to 2018.
Aim: The study investigated the development over time of the incidence, diagnostic imaging, and treatment of giant cell arteritis (GCA). Method: This nationwide, population-based cohort study was conducted in Denmark using medical and administrative registries. Incident GCA cases from 1996-2018 were defined as patients aged >= 50 years registered with a first-time GCA diagnosis and >= 3 prescriptions for glucocorticoids (GCs) within 6 months after diagnosis. We determined incidence rates of GCA, the proportion of patients still receiving GCs >2 years after diagnosis, the proportion of patients receiving temporal artery biopsies (TAB) and diagnostic imaging including ultrasound, positron emission tomography, magnetic resonance, and/or computed tomography angiography at the time of diagnosis. Results: We identified 9908 incident GCA cases. The incidence rates of GCA remained stable at 19-25 per 100,000 people aged >50 years from 1996-2018. The proportion of GCA patients receiving a TAB remained constant until 2016, after which it promptly declined from 70-80% to 29-39%. In contrast, the proportion of patients receiving diagnostic imaging increased from 2% to 66% from 2000-2018. The proportion of GCA patients remaining in GC treatment has steadily decreased from 1996-2016, but remains high at 64%, 40%, and 34% after 2, 5, and 10 years following the diagnosis, respectively. The cumulative GC dose has remained relatively stable. Conclusion: Incidence rates of GCA have remained stable since 1996 despite increasing use of diagnostic imaging. There is a clear discrepancy between current international GCA treatment guidelines and the clinical practice up to 2018. (C) 2021 Elsevier Inc. All rights reserved.
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