2021
DOI: 10.14253/acn.2021.23.2.82
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Carotid duplex ultrasound: interpretations and clinical applications

Abstract: Carotid duplex ultrasound is commonly used to diagnose various carotid artery diseases due to it being noninvasive and easy to perform. Carotid atherosclerosis is a major indicator for the need to perform carotid duplex ultrasound, which can determine the degree of stenosis, plaque characteristics, and intima-media thickness. It can also be used to screen and follow-up after carotid revascularization. Here we discuss the standard techniques, interpretations, and clinical indicators for carotid duplex ultrasoun… Show more

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Cited by 5 publications
(4 citation statements)
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References 37 publications
(41 reference statements)
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“…A single radiologist with 18 years of experience (MA), who was blinded to the participants' disease status, performed the ultrasound. FMD, GTN-mediated dilatation (GTNMD), and dilatation ratio were calculated as follows: FMD = ((post-FMD arterial diameter -pre-FMD arterial diameter)/pre-FMD arterial diameter) × 100; GTNMD = ((post-GTN -pre-GTN)/ pre-GTN) × 100 [8,9]. Each diameter was measured three times on the ultrasound image captured during the maximum diastolic phase, and the mean value was used to reduce the intra-observer variation.…”
Section: Imaging Studiesmentioning
confidence: 99%
“…A single radiologist with 18 years of experience (MA), who was blinded to the participants' disease status, performed the ultrasound. FMD, GTN-mediated dilatation (GTNMD), and dilatation ratio were calculated as follows: FMD = ((post-FMD arterial diameter -pre-FMD arterial diameter)/pre-FMD arterial diameter) × 100; GTNMD = ((post-GTN -pre-GTN)/ pre-GTN) × 100 [8,9]. Each diameter was measured three times on the ultrasound image captured during the maximum diastolic phase, and the mean value was used to reduce the intra-observer variation.…”
Section: Imaging Studiesmentioning
confidence: 99%
“…[25,26] Đo độ dày nội trung mạc động mạch cảnh chung ở thành xa đầu dò, cách chỗ chia đôi động mạch cảnh ít nhất 5 mm, đo trên 1 đoạn động mạch dài ít nhất 10 mm không có tổn thương xơ vữa (Hình 1). [25] Mảng xơ vữa động mạch cảnh được xác định khi sự dày lên khu trú của thành động mạch ít nhất 50% so với bề dày lớp nội trung mạc xung quanh hoặc bề dày lớp nội trung mạc khu trú ≥ 1,50 mm hoặc có vùng tăng hồi âm tách biệt lồi vào phía lòng mạch (Hình 2). [26,27]…”
Section: ý Nghĩa Của Bề Dày Nội Trung Mạc độNg Mạch Cảnh Và Xơ Vữa độ...unclassified
“…Процент стеноза измеряли согласно методу ECST (Th e European Carotid Surgery Trial). В качестве критериев стенозов сонных артерий ≥50 % рассматривали: пиковую систолическую скорость (ПСС) > 125 см/с, отношение ПСС внутренней сонной артерии (ВСА) к общей сонной артерии > 4, конечно-диастолическую скорость в ВСА > 40 см/с [14,15]. Критериями стенозов артерий нижних конечностей ≥50 % являлись: увеличение ПСС до 200-400 см/с, спектральное расширение в месте стеноза, двухфазный спектр кровотока [16].…”
Section: материал и методыunclassified