학술논문

Ultrasound intima media thickness cut-off values for cranial and extracranial arteries in patients with suspected giant cell arteritis.
Document Type
Academic Journal
Author
López-Gloria K; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Castrejón I; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Nieto-González JC; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Rodríguez-Merlos P; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Serrano-Benavente B; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; González CM; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Monteagudo Sáez I; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; González T; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Álvaro-Gracia JM; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.; Molina-Collada J; Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.; Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.
Source
Publisher: Frontiers Media S.A Country of Publication: Switzerland NLM ID: 101648047 Publication Model: eCollection Cited Medium: Print ISSN: 2296-858X (Print) Linking ISSN: 2296858X NLM ISO Abbreviation: Front Med (Lausanne) Subsets: PubMed not MEDLINE
Subject
Language
English
ISSN
2296-858X
Abstract
Objective: To determine the optimal ultrasound (US) cut-off values for cranial and extracranial arteries intima media thickness (IMT) to discriminate between patients with and without giant cell arteritis (GCA).
Methods: Retrospective observational study including patients referred to an US fast-track clinic. All patients underwent bilateral US examination of the cranial and extracranial arteries including the IMT measurement. Clinical confirmation of GCA after 6 months was considered the gold standard for diagnosis. A receiver operating characteristic (ROC) analysis was performed to select the cut-off values on the basis of the best tradeoff values between sensitivity and specificity.
Results: A total of 157 patients were included, 47 (29.9%) with clinical confirmation of GCA after 6 months. 41 (87.2%) of patients with GCA had positive US findings (61.7% had cranial and 44.7% extracranial involvement). The best threshold IMT values were 0.44 mm for the common temporal artery; 0.34 mm for the frontal branch; 0.36 mm for the parietal branch; 1.1 mm for the carotid artery and 1 mm for the subclavian and axillary arteries. The areas under the ROC curves were greater for axillary arteries 0.996 (95% CI 0.991-1), for parietal branch 0.991 (95% CI 0.980-1), for subclavian 0.990 (95% CI 0.979-1), for frontal branch 0.989 (95% CI 0.976-1), for common temporal artery 0.984 (95% CI 0.959-1) and for common carotid arteries 0.977 (95% CI 0.961-0.993).
Conclusion: IMT cut-off values have been identified for each artery. These proposed IMT cut-off values may help to improve the diagnostic accuracy of US in clinical practice.
Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
(Copyright © 2022 López-Gloria, Castrejón, Nieto-González, Rodríguez-Merlos, Serrano-Benavente, González, Monteagudo Sáez, González, Álvaro-Gracia and Molina-Collada.)