alexa Cervical artery dissection: improved diagnosis by B-Flow ultrasound.
Clinical Research

Clinical Research

Journal of Clinical Case Reports

Author(s): Clevert DA, Jung EM, Johnson T, Kubale R, Rupp N,

Abstract Share this page

Abstract OBJECTIVE: The objective of this study was to evaluate the efficiency of B-Flow ultrasound in diagnosing supraaortic vessel dissections compared with other ultrasound techniques including B scan, Color-Coded Doppler (CCDS) and Power Doppler (PD). MATERIALS AND METHODS: Eighty-eight patients with suspected arterial dissection of the neck vessels were included in this prospective trial. All patients were examined using B scan, Color-Coded Doppler sonography and Power Doppler. After documentation of the diagnoses, the patients were additionally examined by B-Flow ultrasound. Contrast-enhanced magnetic resonance angiography (MRA) was used as reference standard in all cases. RESULTS: Dissections of the carotid artery (n=19) and of the vertebral artery (n=35) were found in 44 patients. B-Flow imaging identified 52 of 54 arterial dissections that were confirmed by MRA. There were no false-positive diagnoses in ultrasound examination. The sensitivity of ultrasound examination using B scan, CCDS and PD in detecting all dissections was 95.9\% and 99.1\% with additional B-Flow examination. Sensitivity using B-Flow increased from 98.3\% to 100\% for carotid dissections and from 93.3\% to 94.3\% for vertebral artery dissections. Due to the lack of overwriting artifacts, B-Flow imaging detected residual flow within the false lumen more precisely. The reduced effect of the ultrasound probe angle facilitated imaging of fissures, membranes and low flow phenomena and improved the identification of low-reflection wall structures. The cine mode of the B-Flow showed undulating membrane movement most clearly. Contrast-enhanced MRA in conjunction with axial T1 and T2 weighted sequences enabled the best visualization of intramural hematomas. CONCLUSION: B-Flow imaging can significantly increase the sensitivity of ultrasound examination for dissections of the neck vessels. It also improves the visualization of flow within the true and false lumen, of hypoechoic thrombi and of intramural hematoma.
This article was published in Clin Hemorheol Microcirc and referenced in Journal of Clinical Case Reports

Relevant Expert PPTs

Relevant Speaker PPTs

Recommended Conferences

  • Global Experts meeting on Oncology Case Reports
    Aug 29-31, 2017 London, UK
  • Global Experts Meeting on Case Reports
    Osaka, Japan October 09-11, 2017
  • 6th Global Experts Meeting on Medical Case Reports
    October 16-18, 2017 San Francisco, California, USA

Relevant Topics

Peer Reviewed Journals
 
Make the best use of Scientific Research and information from our 700 + peer reviewed, Open Access Journals
International Conferences 2017-18
 
Meet Inspiring Speakers and Experts at our 3000+ Global Annual Meetings

Contact Us

 
© 2008-2017 OMICS International - Open Access Publisher. Best viewed in Mozilla Firefox | Google Chrome | Above IE 7.0 version
adwords