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QCA, IVUS and OCT in interventional cardiology in 2011

Johan H C Reiber, Shengxian Tu, Joan C Tuinenburg, Gerhard Koning, Johannes P Janssen, Jouke Dijkstra
2011 Cardiovascular Diagnosis and Therapy  
Over the past 30 years, quantitative coronary arteriography (QCA) has been used extensively as an objective and reproducible tool in clinical research to assess changes in vessel dimensions as a result  ...  From the 3D QCA the selection of the optimal angiographic views can also be facilitated.  ...  Acknowledgements Disclosure: The authors declare no conflict of interest.  ... 
doi:10.3978/j.issn.2223-3652.2011.09.03 pmid:24282685 pmcid:PMC3839131 fatcat:2gdxwzhigre67mw6d77q7oj6ge

Accurate and reproducible reconstruction of coronary arteries and endothelial shear stress calculation using 3D OCT: Comparative study to 3D IVUS and 3D QCA

Konstantinos Toutouzas, Yiannis S. Chatzizisis, Maria Riga, Andreas Giannopoulos, Antonios P. Antoniadis, Shengxian Tu, Yusuke Fujino, Dimitrios Mitsouras, Charalampos Doulaverakis, Ioannis Tsampoulatidis, Vassilis G. Koutkias, Konstantina Bouki (+12 others)
2015 Atherosclerosis  
Methods-Results: 35 coronary artery segments derived from 30 patients were reconstructed in 3D space using 3D OCT. 3D OCT was validated against 3D IVUS and 3D QCA.  ...  There was a very high agreement between 3D OCT vs. 3D IVUS and 3D OCT vs. 3D QCA in terms of total reconstructed artery length and volume, as well as in terms of segmental morphometric and ESS metrics  ...  A detailed assessment of blood flow properties in coronary arteries requires accurate 3D imaging of the arterial lumen.  ... 
doi:10.1016/j.atherosclerosis.2015.04.011 pmid:25932791 fatcat:v6yw2wwvgrcsfonbwjrx7ypmji

Fusion of 3D QCA and IVUS/OCT

Shengxian Tu, Niels R. Holm, Gerhard Koning, Zheng Huang, Johan H. C. Reiber
2011 The International Journal of Cardiovascular Imaging  
In this work a new and robust three-dimensional (3D) segmentation and registration approach is presented and validated.  ...  The approach starts with standard QCA of the vessel of interest in the two angiographic views (either biplane or two monoplane views).  ...  Figure 2a and b show the segment of interest in the LAD and its extracted 2D contours, superimposed on the two angiographic views.  ... 
doi:10.1007/s10554-011-9809-2 pmid:21264684 pmcid:PMC3078305 fatcat:p6ywzeqb45eanhdsyglyw2wenu

Optimized Computer-Aided Segmentation and Three-Dimensional Reconstruction Using Intracoronary Optical Coherence Tomography

Lambros Athanasiou, Farhad Rikhtegar Nezami, Micheli Zanotti Galon, Augusto Celso Lopes, Pedro Alves Lemos, Jose M. de la Torre Hernandez, Eyal Ben-Assa, Elazer R. Edelman
2018 IEEE journal of biomedical and health informatics  
[19] used 2D cross sectional DICOM OCT images to segment the lumen border and to detect stent struts, and were as accurate and robust as manual segmentation performed by experts. Ughi et al.  ...  anatomy of the coronary arteries.  ... 
doi:10.1109/jbhi.2017.2762520 pmid:29989976 pmcid:PMC6042877 fatcat:fm3jiccjqrbx7hyylfee7yfcam

A graph-based approach for spatio-temporal segmentation of coronary arteries in X-ray angiographic sequences

Faten M'hiri, Luc Duong, Christian Desrosiers, Mohamed Leye, Joaquim Miró, Mohamed Cheriet
2016 Computers in Biology and Medicine  
The segmentation and tracking of coronary arteries (CAs) are critical steps for the computation of biophysical measurements in pediatric interventional cardiology.  ...  In addition, the proposed method returned a Dice index of 70% in segmenting and tracking right coronary arteries and circumflex arteries. $ This work was supported by the Fonds de recherche du Quebec Nature  ...  This research was funded by the Fonds Figure 1 : 1 Overview of the segmentation of a coronary artery in 2D+time: Segmenting and tracking the right coronary artery (highlighted in yellow) in an angiographic  ... 
doi:10.1016/j.compbiomed.2016.10.001 pmid:27744180 fatcat:axlrqgvvlref3msjnvgkdf4d2q

Clinical expert consensus document on quantitative coronary angiography from the Japanese Association of Cardiovascular Intervention and Therapeutics

Nobuaki Suzuki, Taku Asano, Gaku Nakazawa, Jiro Aoki, Kengo Tanabe, Kiyoshi Hibi, Yuji Ikari, Ken Kozuma
2020 Cardiovascular Intervention and Therapeutics  
Quantitative coronary angiography (QCA) remains to play an important role in clinical trials and post-marketing surveillance related to the safety and efficacy of new PCI devices.  ...  In this document, the current standard methodology of QCA is summarized. In addition, its history, recent development and future perspectives are also reviewed.  ...  Following the determination of a start point and an end point in the image of enhanced coronary artery, a vessel pathline is created.  ... 
doi:10.1007/s12928-020-00653-7 pmid:32125622 fatcat:el7gebeayfdzlkesstudak4nju

The Evolution of Data Fusion Methodologies Developed to Reconstruct Coronary Artery Geometry From Intravascular Imaging and Coronary Angiography Data: A Comprehensive Review

Yakup Kilic, Hannah Safi, Retesh Bajaj, Patrick W. Serruys, Pieter Kitslaar, Anantharaman Ramasamy, Vincenzo Tufaro, Yoshinobu Onuma, Anthony Mathur, Ryo Torii, Andreas Baumbach, Christos V. Bourantas
2020 Frontiers in Cardiovascular Medicine  
However, a significant limitation of these novel imaging catheters is that they provide two-dimensional (2D) visualization of the lumen and vessel wall and thus they cannot portray vessel geometry and  ...  These are able to off-line process and fuse intravascular imaging data with X-ray or computed tomography coronary angiography (CTCA) to reconstruct coronary artery anatomy.  ...  FIGURE 3 | 3 Reconstruction of a right coronary artery from IVUS and angiographic data with the lumen surface portrayed in a red color and the outer vessel wall in a semi-transparent fashion (A).  ... 
doi:10.3389/fcvm.2020.00033 pmid:32296713 pmcid:PMC7136420 fatcat:pwzpdrazhrcvrpvc2gxeyvrqny

Quantitative evaluation and comparison of coronary artery characteristics by 3D coronary volume reconstruction

Yongcheol Kim, Jonathan James Hyett Bray, Benjamin Waterhouse, Alexander Gall, Georgia May Connolly, Eva Sammut, Vito Domenico Bruno, Robert Tulloh, David Adlam, Thomas W. Johnson
2021 Scientific Reports  
A total of 1105 coronary segments were analysed using QAngio XA 3D (Research Edition, Medis medical imaging systems, Leiden, The Netherlands).  ...  This included 42 patients with angiographically normal coronary arteries, 36 diabetic patients with unobstructed coronaries, and 53 patients with abnormal coronary dilatation (aneurysm and ectasia).  ...  Acknowledgements We thank all the staff working in the cardiac catheterisation laboratories and CCU at Bristol Heart Institute for their commitment to this study.  ... 
doi:10.1038/s41598-020-80928-4 pmid:33441962 fatcat:azqhr2junjfizpwodqttxnhrnm

Segmentation and Reconstruction Techniques for Modeling of Blood Vessel

Vrushali Sudhir, Pranali C.
2017 International Journal of Computer Applications  
This paper gives extensive literature survey on segmentation and reconstruction techniques for artery modeling that uses various image modalities such as X Ray Angiography, Magnetic Resonance Angiography  ...  Number of researchers at different universities as well as medical device manufacturers are working in this field for better understanding of the vascular characteristics.  ...  In computer assisted diagnosis of coronary artery diseases, vascular structure identification and matching in sequential angiographic images obtained at different angles have great significance.  ... 
doi:10.5120/ijca2017913392 fatcat:6jyulin3sfadjgdjddm2xa23hi

Fractional flow reserve for coronary stenosis assessment derived from fusion of intravascular ultrasound and X-ray angiography

Jun Jiang, Li Feng, Changling Li, Yongqing Xia, Jingsong He, Xiaochang Leng, Liang Dong, Xinyang Hu, Jian'an Wang, Jianping Xiang
2021 Quantitative Imaging in Medicine and Surgery  
This study aimed to develop a novel method to estimate fractional flow reserve (FFR) value for determining the functional significance of coronary artery disease through the fusion of IVUS and X-ray angiographic  ...  Intravascular ultrasound (IVUS) provides good insight into lumen boundary and plaques; however, it is still difficult to detect functionally significant stenosis from IVUS images for the guidance of coronary  ...  was developed to segment the lumen of 2D IVUS images automatically (11) .  ... 
doi:10.21037/qims-20-1324 pmid:34737922 pmcid:PMC8511737 fatcat:zqwxkxsgafch7dprkbhvehkqpa

Point-Cloud Method for Automated 3D Coronary Tree Reconstruction from Multiple Non-Simultaneous Angiographic Projections

Abhirup Banerjee, Francesca Galassi, Ernesto Zacur, Giovanni Luigi De Maria, Robin P. Choudhury, Vicente Grau
2019 IEEE Transactions on Medical Imaging  
X-ray angiography is the most commonly used imaging modality for the detection of coronary stenoses due to its high spatial and temporal resolution of lumen contour and its utility to guide coronary interventions  ...  This could be addressed by the 3D reconstruction of the coronary arterial (CA) tree.  ...  ACKNOWLEDGMENT The authors acknowledge the use of services and facilities of the Oxford Acute Vascular Imaging Centre (AVIC) and the Institute of Biomedical Engineering (IBME), University of Oxford, United  ... 
doi:10.1109/tmi.2019.2944092 pmid:31613752 fatcat:a7hdsrzxujhk5jicaf4jkc7m54

Cardiovascular magnetic resonance profiling of coronary atherosclerosis: vessel wall remodelling and related myocardial blood flow alterations

C. Jahnke, R. Manka, S. Kozerke, B. Schnackenburg, R. Gebker, N. Marx, I. Paetsch
2014 European Heart Journal-Cardiovascular Imaging  
level of epicardial coronary and myocardial blood flow in patients. --- Keywords Magnetic resonance imagingCoronary atherosclerosis † Vessel wall imagingCoronary flow reserve † Myocardial blood  ...  The combined CMR protocol consisted of the following imaging modules at rest: 3D vessel wall imaging and flow measurement of the proximal right coronary artery (RCA), myocardial T2*, and first-pass perfusion  ...  robust.  ... 
doi:10.1093/ehjci/jeu148 pmid:25104810 fatcat:wkjwtby3rbeutedqf5p7ym2yl4

Correction of Stent Distortion and Overhanging Stent Struts during Left Main Bifurcation Stenting by Selective Distal Stent Cell Re-Wiring: A Novel Guidewire Approach

Mahmoud Sabbah, Kazushige Kadota, Yasushi Fuku, Kazuaki Mitsudo
2015 Acta Cardiologica Sinica  
main coronary artery stenting.  ...  We herein present 2 cases, in which optical frequency domain imaging and intravascular ultrasound effectively revealed stent malapposition and overhanging struts inside the ostium of the SB following left  ...  (B) Good angiographic results after deployment of a Nobori 3.5 mm´24 in left main coronary artery crossed to proximal LAD.  ... 
pmid:27122906 pmcid:PMC4804810 fatcat:lrukutv4ofg47iwoc7hc4eqwmq

Finding Similar 2D X-Ray Coronary Angiograms [chapter]

Tanveer Syeda-Mahmood, Fei Wang, R. Kumar, D. Beymer, Y. Zhang, Robert Lundstrom, Edward McNulty
2012 Lecture Notes in Computer Science  
In this paper, we show how these visual features can be automatically extracted from coronary artery images and used for finding similar coronary angiograms from a database.  ...  In clinical practice, physicians often exploit previously observed patterns in coronary angiograms from similar patients to quickly assess the state of the disease in a current patient.  ...  While the majority of the work is on 3D CT angiography data, relying on a good 3D vessel tree model and a robust 2D-3D shape alignment algorithm, [1, 15] , junction detection in 2D X-ray angiography has  ... 
doi:10.1007/978-3-642-33454-2_62 fatcat:i6zdvsp6arbqpf66t6r5wslj6u

Accuracy and reproducibility of fast fractional flow reserve computation from invasive coronary angiography

A. R. van Rosendael, G. Koning, A. C. Dimitriu-Leen, J. M. Smit, J. M. Montero-Cabezas, F. van der Kley, J. W. Jukema, J. H. C. Reiber, J. J. Bax, A. J. H. A. Scholte
2017 The International Journal of Cardiovascular Imaging  
In a small number of patients we showed good accuracy of three QFR techniques (aQFR, cQFR and fQFR) to predict invasive FFR.  ...  angiography QCA Quantitative coronary angiography QFR Quantitative flow ratio TIMI Thrombolysis in myocardial infarction fQFR models which showed good correlation with invasively measured FFR and good  ...  , and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.  ... 
doi:10.1007/s10554-017-1190-3 pmid:28642995 pmcid:PMC5539270 fatcat:rkvhhmxmbvf6diio4lgjcbwera
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