[Giant cell arteritis: Role of color-duplex ultrasound]
B Membrey1, S Miranda2, H Lévesque2
1Département de médecine interne, CHU de Rouen, 1, rue de Germont, 76031 Rouen cedex, France.
Insights
Giant cell arteritis, a common large-vessel vasculitis in older adults, can be effectively diagnosed using ultrasound. This imaging technique shows promise for detecting inflammation in arteries like the temporal artery and aorta.
Area of Science:
- Rheumatology
- Vascular Medicine
- Diagnostic Imaging
Background:
- Giant cell arteritis (GCA) is the most prevalent large-vessel vasculitis, primarily affecting individuals over 50 years old.
- Accurate and timely diagnosis of GCA is crucial for preventing complications such as vision loss and stroke.
Observation:
- Various imaging modalities have been explored to enhance GCA diagnosis.
- Ultrasound has demonstrated significant efficacy in identifying inflammatory changes within the temporal arteries.
- Ultrasound also shows potential for evaluating inflammatory involvement in other large vessels, including aortic branches.
Findings:
- Ultrasound exhibits strong performance in detecting the characteristic inflammatory signatures of GCA in the temporal arteries.
- The utility of ultrasound extends to assessing inflammation in major arteries beyond the temporal arteries, as supported by emerging evidence.
Implications:
- Ultrasound is emerging as a valuable tool in the diagnostic armamentarium for giant cell arteritis.
- Recent European League Against Rheumatism (EULAR) guidelines highlight the importance of ultrasound in GCA diagnosis.
- Widespread adoption of ultrasound could lead to earlier and more accurate GCA diagnoses, improving patient outcomes.
Abstract:
Giant cell arteritis is the most common primary vasculitis of large-vessel occurring in subjects over 50 years of age. Many imaging techniques has been evaluated to improve the diagnosis of giant cell arteritis. Among these imaging techniques, ultrasound has shown good performances to detect inflammatory involvement of the temporal arteries as well as branches of the aorta. Several publications and recent EULAR recommendations have emhasized the place of this tool in the diagnosis of giant cell arteritis.
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