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Three-dimensional Reconstruction of Carotid Arteries using Computed Tomography Angiography

Vassiliki Kigka, Savvas Kyriakidis, Antonis Sakellarios, Vassiliki Potsika, Vasilis Tsakanikas, Dimitra Loggitsi, Lampros K. Michalis, Dimitrios I. Fotiadis
2020 Zenodo  
This study aims to present an overall methodology for the accurate identification of the inner wall, outer wall and the atherosclerotic plaques (calcified and non-calcified) of the carotid arteries.  ...  Briefly, the methodology includes the following steps: (i) the estimation of intensity membership functions for the inner wall, the outer wall and CP, (ii) the carotid artery centerline extraction, (iii  ...  Reconstruction of carotid arteries, both for the left common artery (LCA) and the right common artery (RCA), was successfully obtained in 4 patients.  ... 
doi:10.5281/zenodo.4400034 fatcat:45dgckdivjc6xgufzxnzl5uqka

Region based level set segmentation of the outer wall of the carotid bifurcation in CTA

D. Vukadinovic, T. van Walsum, R. Manniesing, S. Rozie, A. van der Lugt, W. J. Niessen, David R. Haynor, Benoit M. Dawant
2011 Medical Imaging 2011: Image Processing  
This paper presents a level set based method for segmenting the outer vessel wall and plaque components of the carotid artery in CTA.  ...  The average Dice similarity of the outer vessel wall segmentation was 92%, which compares favorably to previous methods.  ...  Vessel DISCUSSION & CONCLUSION We presented a method to segment the outer vessel wall of the carotid bifurcation in CTA.  ... 
doi:10.1117/12.878114 dblp:conf/miip/VukadinovicWMRL11 fatcat:hk5dmvvjljgnjphjt5qpxx353m

Ultrasound Detection of Extracranial Carotid Artery Aneurysms: A Case Report

Fabrizio D'Abate, Cristiana Vitale
2020 Vascular and Endovascular Review  
In this paper we report the case of a patient with a fusiform aneurysm at the level of the carotid artery bifurcation and a large saccular aneurysm of the proximal internal carotid artery, and discuss  ...  The ultrasound definition of extracranial carotid artery aneurysms (ECCAs) is unclear. The threshold diameter to use for defining an extracranial carotid artery as aneurysmal is still debated.  ...  a widening of an arterial or venous segment that results from a weakened blood vessel wall.  ... 
doi:10.15420/ver.2020.09 fatcat:zfwqm75pzzdapnoc52fcznwl4a

High Definition Angiography for the Evaluation of Carotid Arteries in Stroke Patients

Aykut Recep Aktas
2016 Journal of Clinical and Analytical Medicine  
The vessel wall inner and outer diameters and thickness of common, internal and external carotid arteries (CCA, ICA and ECA) were assessed by two blinded radiologists.  ...  The purpose of the study was to take the effectivity of this technology clinically by evaluating the diameter and wall thickness of carotid vessels in stroke patients.  ...  The wall thickness of each arterial segment was calculated from the differences between each vessel's inner (Vid) and outer (Vod) diameters.  ... 
doi:10.4328/jcam.2756 fatcat:xmlftzpdv5bqti32p4cmis5gb4

A Semi-Automatic Segmentation Method for the Structural Analysis of Carotid Atherosclerotic Plaques by Computed Tomography Angiography

Florentino Luciano Caetano dos Santos, Atte Joutsen, Mitsugu Terada, Juha Salenius, Hannu Eskola
2014 Journal of atherosclerosis and thrombosis  
The purpose of this study was to develop a semi-automatic method to segment vessel walls, surrounding tissue, and the carotid artery lumen to measure the severity of stenosis.  ...  the maximum percent stenosis in the cross-sectional area of the carotid artery.  ...  The authors would like to thank Raija Paalavuo, Anna-Kaisa Parkkila and Ullamari Hakulinen for patient recruitment and management and Professor Jari Viik from the Department of Electronics and  ... 
doi:10.5551/jat.21279 pmid:24834981 fatcat:pedpga6zvffe5klbdbjrjb2vgi

Craniocervical Dissections: Radiologic Findings, Pitfalls, Mimicking Diseases: A Pictorial Review

Elnur Mehdi, Ayse Aralasmak, Huseyin Toprak, Seyma Yildiz, Serpil Kurtcan, Mehmet Kolukisa, Talip Asil, Alpay Alkan
2018 Current Medical Imaging Reviews  
Craniocervical Dissections (CCD) are a crucial emergency state causing 20% of strokes in patients under the age of 45.  ...  Although DSA (digital substraction angiography) is regarded as the gold standard, noninvasive methods of CT, CTA and MRI, MRA are widely used for diagnosis.  ...  Vaculitis may cause luminal narrowing and increase in outer diameter of the vessel.  ... 
doi:10.2174/1573405613666170403102235 pmid:29853818 pmcid:PMC5902863 fatcat:bsn5li7bifbl5aa4ges4lbsufa

Volumetric assessment of extracranial carotid artery aneurysms

E. E. de Vries, C. J. H. C. M. van Laarhoven, H. J. Kuijf, C. E. V. B. Hazenberg, J. A. van Herwaarden, M. A. Viergever, G. J. de Borst
2019 Scientific Reports  
For all volumes, similarity of the segmentations was excellent. Outliers were explained by presence of intraluminal ECAA thrombus, which hampered identification of the aneurysm outer wall.  ...  Volumes of the entire internal carotid artery (ICA) and the ECAA were measured separately.  ...  All volumes were manually segmented from outer to outer wall, as is standard in segmentation of abdominal aortic aneurysms 4-6 .  ... 
doi:10.1038/s41598-019-44553-0 pmid:31147576 pmcid:PMC6542789 fatcat:srp7njr2nvhq5j5cppkgyp6kxe

Prior-Based Automatic Segmentation of the Carotid Artery Lumen in TOF MRA (PASCAL) [chapter]

Jana Hutter, Hannes G. Hofmann, Robert Grimm, Andreas Greiser, Marc Saake, Joachim Hornegger, Arnd Dörfler, Peter Schmitt
2012 Lecture Notes in Computer Science  
In current clinical practice, examinations of the carotid artery bifurcation are commonly carried out with Computed Tomography Angiography (CTA) or contrast-enhanced Magnetic Resonance Angiography (ce  ...  Quantitative information about vessel morphology, extracted from segmentations, is promising for diagnosis of vessel pathologies.  ...  The authors gratefully acknowledge funding of the Erlangen Graduate School in Advanced Optical Technologies (SAOT) by the German Research Foundation (DFG) in the framework of the German excellence initiative  ... 
doi:10.1007/978-3-642-33418-4_63 fatcat:2e247tn3kjh4xnqgwuf5szmfbe

Takayasu's Arteritis-A Case Report and a Brief Review of Diagnostic Imaging

Amit Nandan Dhar Dwivedi
2019 Clinical Radiology & Imaging Journal  
She was found to have bilateral carotid bruit and a significant discrepancy in blood pressure of bilateral upper limbs.  ...  In this case report, we tend to highlight the importance of imaging in TA along with its typical imaging features and advantages & limitations of various imaging modalities.  ...  Inflammation of the vessel wall leads to wall thickening, stenosis, occlusion, dilatation, and aneurysmal formation in the affected vessels.  ... 
doi:10.23880/crij-16000150 fatcat:76sbrve75bgjffyuslnkgcqvua

Reappraisal of velocity criteria for carotid bulb/internal carotid artery stenosis utilizing high-resolution B-mode ultrasound validated with computed tomography angiography

Wael E. Shaalan, Carl M. Wahlgren, Tina Desai, Giancarlo Piano, Christopher Skelly, Hisham S. Bassiouny
2008 Journal of Vascular Surgery  
In each study, the highest peak systolic (PSV) and end-diastolic (EDV) velocities as well as ICA/common carotid artery (CCA) ratio were recorded.  ...  angiography (CTA) and used to determine optimum velocity thresholds for >50% and >80% bulb internal carotid artery stenosis (ICA).  ...  The advantages of CTA are its fast and noninvasive nature, visualization of the arterial lumen and the exact delineation of the outer vessel wall from the axial source images, and the possibility to reconstruct  ... 
doi:10.1016/j.jvs.2008.02.068 pmid:18486416 pmcid:PMC3506188 fatcat:tq3guyhjpbb5taxgovoxzt2lpy

Detection of common carotid artery stenosis using duplex ultrasonography: A validation study with computed tomographic angiography

David P. Slovut, Javier M. Romero, Kathleen M. Hannon, James Dick, Michael R. Jaff
2010 Journal of Vascular Surgery  
.001) than in the intrathoracic and proximal segment of the artery (P ‫؍‬ NS).  ...  Severe stenosis of the common carotid artery (CCA), while uncommon, is associated with increased risk of transient ischemic attack and stroke.  ...  distal common carotid artery on CTA.  ... 
doi:10.1016/j.jvs.2009.08.002 pmid:19879097 fatcat:qbr5bbu47vb6rn7pzewoepuwd4

Computational Flow Dynamics Study in Severe Carotid Bulb Stenosis with Ulceration

Tack Sun Oh, Young Bae Ko, Sung-Tae Park, Kyunghwan Yoon, Sang-Wook Lee, Jee Won Park, Jong Lim Kim, Bohyun Kim, Sang-Ok Park, Jong Sung Kim, Dae Chul Suh
2010 Neurointervention  
Conclusion: Our preliminary study revealed that 3D CFD analysis in carotid stenosis was feasible from CT angiography source image and could reveal WSS, flow velocity and wall pressure in the severe carotid  ...  The distribution of wall shear stress (WSS), peak velocity and pressure across the average systolic and diastolic blood pressures permitted construction of a contour map of the velocity in each cardiac  ...  Acknowledgements and Funding This study was supported by a grant from the Korea Healthcare Technology R&D Project, Ministry of Health & Welfare, Republic of Korea. (A080201)  ... 
doi:10.5469/neuroint.2010.5.2.97 fatcat:4obmalvo4jg3fbfdhxfth2egva

The Differentiation in Image Post-processing and 3D Reconstruction During Evaluation of Carotid Plaques From MR and CT Data Sources

Fengbin Deng, Changping Mu, Ling Yang, Rongqi Yi, Min Gu, Kang Li
2021 Frontiers in Physiology  
However, the density resolution of TOF-MRA for the carotid plaque and carotid artery was not as good as that of CTA.  ...  The results show that there is a large deviation between the TOF-MRA and CTA 3D model of plaque in the carotid artery due to the unclear recognition of plaque boundary during 3D reconstruction, and this  ...  in MIMICs software (C) 3D images of blood vessel reconstruction (upper: TOF-MRA, lower: CTA), and the yellow area was the plaque in the blood vessel (D) The segmented plaque, front view, and side view  ... 
doi:10.3389/fphys.2021.645438 pmid:33935800 pmcid:PMC8085352 fatcat:gpb6mpy5enga3hcw3yeavrxpnq

Carotid Atheroma Rupture Observed In Vivo and FSI-Predicted Stress Distribution Based on Pre-rupture Imaging

Joseph R. Leach, Vitaliy L. Rayz, Bruno Soares, Max Wintermark, Mohammad R. K. Mofrad, David Saloner
2010 Annals of Biomedical Engineering  
As mechanical forces may impact lesion stability, finite element studies have been conducted on models of diseased vessels to elucidate the effects of lesion characteristics on the stresses within plaque  ...  In this article, we present a comparison between carotid atheroma rupture observed in vivo and the plaque stress distribution from fluid-structure interaction analysis based on pre-rupture medical imaging  ...  OPEN ACCESS This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided  ... 
doi:10.1007/s10439-010-0004-8 pmid:20232151 pmcid:PMC2900591 fatcat:53encieiqbexdokdw77gdwx3aa

Carotid Artery Anatomy and Geometry as Risk Factors for Carotid Atherosclerotic Disease

T. G. Phan, R. J. Beare, D. Jolley, G. Das, M. Ren, K. Wong, W. Chong, M. D. Sinnott, J. E. Hilton, V. Srikanth
2012 Stroke  
Carotid arteries were segmented using semiautomated methods to estimate measures of carotid anatomy and geometry.  ...  Carotid anatomy and geometry may play a role in the pathogenesis of internal carotid artery (ICA) stenosis, but their effects are unknown.  ...  Sources of Funding Disclosures None.  ... 
doi:10.1161/strokeaha.111.645499 pmid:22511010 fatcat:67wrefogdnhifkff4orh23a7u4
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