B‐Flow and B‐Mode Ultrasound Imaging in Carotid Fibromuscular Dysplasia

Cutler, J.; Campo, Nelly; Koch, Sebastian

doi:10.1111/jon.12498

Cited by 10 publications

(5 citation statements)

References 5 publications

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“…BFl, introduced more than 20 years ago, so far has been applied in a variety of indications, including the assessment of transplant vascularization (e.g., kidney transplants) and the dignity assessment of thyroid nodules. Studies with a focus on vascular pathologies aimed on grading of carotid stenosis [ 15 , 16 ] and on detection of cervical artery dissection and fibromuscular dysplasia [ 17 , 18 ]. A single study evaluated the diagnostic value of BFl for assessment of the lower extremity arteries and bypass grafts in patients with peripheral arterial disease [ 19 ].…”

Section: Discussionmentioning

confidence: 99%

The Flashlight-Sign: A Novel B-Flow Based Ultrasound Finding for Detection of Intraluminal, Wall-Adherent, Floating Structures of the Abdominal Aorta and Peripheral Arteries

et al. 2022

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This study aimed to evaluate the potential diagnostic value of a novel, sonographic, B-Flow (BFl)-based sign (“flashlight sign”, FLS) for the detection of wall-adherent, floating arterial structures (WAFAS). The FLS, characterized by a fast moving, very bright, intraluminal signal, was detected in 28 patients with WAFAS. We divided this cohort into three subgroups according to the affected vascular segments: (1) peripheral arteries (n = 10); (2) native abdominal aorta (n = 8); and (3) abdominal aorta after endovascular aortic repair (EVAR; n = 10). Clinical characteristics were analyzed and BFl-findings were compared with contrast-enhanced ultrasound (CEUS) and computed tomography angiography (CTA). Seven patients (25%) suffered from arterial embolism downstream to the FLS (EVAR, n = 4; native abdominal aorta, n = 1; peripheral arteries, n = 2). WAFAS of the abdominal aorta (native or after EVAR), as indicated by the FLS, were visible by CEUS and CTA in 60% and 93.3%, respectively. Based on the largest cohort (to this point) of patients with WAFAS, we propose a clinically useful, BFl-based sonographic sign for the detection of these underrated arterial pathologies in the abdominal aorta and the peripheral arteries.

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Section: Discussionmentioning

confidence: 99%

The Flashlight-Sign: A Novel B-Flow Based Ultrasound Finding for Detection of Intraluminal, Wall-Adherent, Floating Structures of the Abdominal Aorta and Peripheral Arteries

et al. 2022

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“…BFI, introduced more than 20 years ago, so far has been applied in a variety of indications, including assessment of transplant vascularization (e.g., kidney transplants) and dignity assessment of thyroid nodules. Studies with a focus on vascular pathologies aimed on grading of carotid stenosis (14,15) and detection of cervical artery dissection and fibromuscular dysplasia (16,17). A single study evaluated the diagnostic value of BFI for assessment of the lower extremity arteries and bypass grafts in patients with peripheral arterial disease (18).…”

Section: Discussionmentioning

confidence: 99%

The Flashlight-Sign: a Novel B-Flow Based Ultrasound Finding for Detection of Intraluminal, Wall-Adherent, Floating Structures of the Abdominal Aorta and Peripheral Arteries

Lottspeich¹,

Puhr‐Westerheide²,

Stana³

et al. 2022

Preprint

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This study aimed on evaluating the potential diagnostic value of a novel, sonographic, B-Flow Imaging (BFI)-based sign (“flashlight sign”, FLS) for the detection of wall-adherent, floating arterial structures (WAFAS). The FLS, characterized by a fast moving, very bright, intraluminal signal was detected in 28 patients with WAFAS. We divided this cohort into three subgroups, depending on the affected vascular segments: (1) peripheral arteries (n = 10), (2) native abdominal aorta (n = 8), and (3) abdominal aorta after endovascular aortic repair (EVAR; n = 10). Clinical characteristics were analyzed and BFI-findings were compared with contrast enhanced ultrasound (CEUS) and computed tomography angiography (CTA). Seven patients (25%) suffered from arterial embolism downstream to the FLS (EVAR, n = 4; native abdominal aorta, n = 1; peripheral arteries, n = 2). WAFAS of the abdominal aorta (native or after EVAR), as indicated by the FLS, were visible by CEUS and CTA in 60% and 93.3%, respectively. Based on the so far largest cohort of patients with WAFAS, we propose a clinically useful, BFI-based sonographic sign for detection of these so far underrated arterial pathologies in the abdominal aorta and the peripheral arteries.

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“…Therefore, B-flow has significant advantages in diagnosing vascular lesions. 24,25 In the area of PSA with a high flow velocity (such as artery rupture), the color bleed artifact is often present in the CDFI imaging. 26 In the low-velocity areas of PSA, the blood flow could not be fully displayed by CDFI due to the angle limitation.…”

Section: Discussionmentioning

confidence: 99%

Thrombin injection under B-flow and ultrasound guidance: A safe and effective treatment of pseudoaneurysms

Deng

Yuan

et al. 2022

Vascular

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Purpose To evaluate the method of thrombin injection under B-flow and ultrasound guidance (BUGTI) for the treatment of pseudoaneurysms. Materials and methods Twenty-one patients suffering from pseudoaneurysm (PSA) were retrospectively reviewed at the First Affiliated Hospital of Nanjing Medical University in Nanjing, China, from January 2018 to August 2019. The patients were treated using an ultrasound-guided injection of thrombin (500 IU/mL) combined with B-mode blood flow imaging (B-flow). The information on the PSA, including the size of the arterial rupture and sac, flow rate, thrombin dose, and treatment outcome, was recorded during the procedure. Follow-up evaluation was performed at 1, 3, and 6 months after the treatment. Pearson’s correlation analysis was performed among the characteristics of PSA and the dose of thrombin. Result The age of patients ranged from 34 to 80 years and averaged 62.8 years. The maximum cross-sectional area of PSA ranged from 208 to 1148 mm2. All patients were treated with thrombin injections. The dose of thrombin ranged from 300 to 1667 IU. No reperfusions were detected at follow-up 6 months, and the BUGTI treatment was successful in all 21 cases. Pearson’s correlation analysis demonstrated that the dose of thrombin was positively correlated with the width (r = 0.449, p < .05) and maximum cross-sectional area (r = 0.504, p < .05) of PSA. Conclusion Thrombin injection under B-flow and ultrasound guidance is a rapid and effective treatment for PSA. Additionally, the sac size could be used to estimate the dose of thrombin.

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B‐Flow and B‐Mode Ultrasound Imaging in Carotid Fibromuscular Dysplasia

Abstract: Morphological arterial wall changes of FMD were well depicted by careful B-flow and B-mode imaging of the distal internal carotid artery. We would like to emphasize the utility of B-flow and B-mode in the noninvasive evaluation of FMD.

Cited by 10 publications

References 5 publications

The Flashlight-Sign: A Novel B-Flow Based Ultrasound Finding for Detection of Intraluminal, Wall-Adherent, Floating Structures of the Abdominal Aorta and Peripheral Arteries

The Flashlight-Sign: A Novel B-Flow Based Ultrasound Finding for Detection of Intraluminal, Wall-Adherent, Floating Structures of the Abdominal Aorta and Peripheral Arteries

The Flashlight-Sign: a Novel B-Flow Based Ultrasound Finding for Detection of Intraluminal, Wall-Adherent, Floating Structures of the Abdominal Aorta and Peripheral Arteries

Thrombin injection under B-flow and ultrasound guidance: A safe and effective treatment of pseudoaneurysms

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