Key result
Perivascular adipose tissue attenuation via computed tomography was applicable in extra-coronary arteries with good inter-observer reproducibility across 3 included studies.
Why the study?
Perivascular adipose tissue attenuation on computed tomography is well-validated in coronary arteries, but few studies have evaluated its potential application in other vascular beds.
Is perivascular adipose tissue attenuation measured with computed tomography applicable and reproducible in extra-coronary arteries?
Systematic Review (n=3)
Is perivascular adipose tissue attenuation measured with computed tomography applicable and reproducible in extra-coronary arteries?
Perivascular adipose tissue attenuation on CT is an applicable and reproducible parameter for assessing vascular inflammation in extra-coronary arteries such as the internal carotid and aorta.
Supports CT assessment of vascular inflammation in carotid/aortic beds; extends perivascular adipose tissue validation beyond coronaries.
(1) Background: Perivascular adipose tissue attenuation, measured with computed tomography imaging, is a marker of mean local vascular inflammation since it reflects the morphological changes of the fat tissue in direct contact with the vessel. This method is thoroughly validated in coronary arteries, but few studies have been performed in other vascular beds. The aim of the present study is to provide insight into the potential application of perivascular adipose tissue attenuation through computed tomography imaging in extra-coronary arteries. (2) Methods: A comprehensive search of the scientific literature published in the last 30 years (1990-2020) has been performed on Medline. (3) Results: A Medline databases search for titles, abstracts, and keywords returned 3251 records. After the exclusion of repetitions and the application of inclusion and exclusion criteria and abstract screening, 37 studies were selected for full-text evaluation. Three papers were finally included in the systematic review. Perivascular adipose tissue attenuation assessment was studied in the internal carotid artery, ascending thoracic aorta, and abdominal aorta. (4) Conclusions: Perivascular adipose tissue attenuation seems to be an applicable parameter in all investigated vascular beds, generally with good inter-observer reproducibility.
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Tuttolomondo et al. (2021) conducted a systematic review in Vascular inflammation in extra-coronary arteries (n=3). Perivascular adipose tissue attenuation via computed tomography was evaluated on Applicability and inter-observer reproducibility in extra-coronary arteries. Perivascular adipose tissue attenuation via computed tomography was applicable in extra-coronary arteries with good inter-observer reproducibility across 3 included studies.
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