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Left Main Coronary Artery Percutaneous Coronary Intervention. J Clin Med 2022; 11:jcm11216584. [DOI: 10.3390/jcm11216584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022] Open
Abstract
Left main coronary artery (LMCA) revascularization remains a critical part of coronary artery disease (CAD) management as it improves patients’ prognoses by reducing all-cause and cardiac mortality [...]
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Zhang J, Xu K, Hu Y, Yang L, Leng X, Jin H, Tang Y, Liu X, Ye C, Guo Y, Wang L, Zhang J, Feng Y, Mou C, Tang L, Xiang J, Du C. Diagnostic performance of deep learning and computational fluid dynamics-based instantaneous wave-free ratio derived from computed tomography angiography. BMC Cardiovasc Disord 2022; 22:33. [PMID: 35120463 PMCID: PMC8817609 DOI: 10.1186/s12872-022-02469-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/13/2022] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Both fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) are widely used to evaluate ischemia-causing coronary lesions. A new method of CT-iFR, namely AccuiFRct, for calculating iFR based on deep learning and computational fluid dynamics (CFD) using coronary computed tomography angiography (CCTA) has been proposed. In this study, the diagnostic performance of AccuiFRct was thoroughly assessed using iFR as the reference standard. METHODS Data of a total of 36 consecutive patients with 36 vessels from a single-center who underwent CCTA, invasive FFR, and iFR were retrospectively analyzed. The CT-derived iFR values were computed using a novel deep learning and CFD-based model. RESULTS Mean values of FFR and iFR were 0.80 ± 0.10 and 0.91 ± 0.06, respectively. AccuiFRct was well correlated with FFR and iFR (correlation coefficients, 0.67 and 0.68, respectively). The diagnostic accuracy, sensitivity, specificity, positive predictive value, and negative predictive value of AccuiFRct ≤ 0.89 for predicting FFR ≤ 0.80 were 78%, 73%, 81%, 73%, and 81%, respectively. Those of AccuiFRct ≤ 0.89 for predicting iFR ≤ 0.89 were 81%, 73%, 86%, 79%, and 82%, respectively. AccuiFRct showed a similar discriminant function when FFR or iFR were used as reference standards. CONCLUSION AccuiFRct could be a promising noninvasive tool for detection of ischemia-causing coronary stenosis, as well as facilitating in making reliable clinical decisions.
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Affiliation(s)
- Jingyuan Zhang
- Department of Medicine, The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Kun Xu
- Department of Medicine, The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yumeng Hu
- ArteryFlow Technology Co., Ltd., 459 Qianmo Road, Hangzhou, 310051, China
| | - Lin Yang
- Department of Geriatrics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaochang Leng
- ArteryFlow Technology Co., Ltd., 459 Qianmo Road, Hangzhou, 310051, China
| | - Hongfeng Jin
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Yiming Tang
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Xiaowei Liu
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Chen Ye
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Yitao Guo
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Lei Wang
- Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China
| | - Jianjun Zhang
- Department of Radiology, Zhejiang Hospital, Hangzhou, China
| | - Yue Feng
- Department of Radiology, Zhejiang Hospital, Hangzhou, China
| | - Caiyun Mou
- Department of Radiology, Zhejiang Hospital, Hangzhou, China
| | - Lijiang Tang
- Department of Medicine, The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China. .,Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China.
| | - Jianping Xiang
- ArteryFlow Technology Co., Ltd., 459 Qianmo Road, Hangzhou, 310051, China.
| | - Changqing Du
- Department of Medicine, The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China. .,Department of Cardiology, Zhejiang Hospital, Hangzhou, 310013, China.
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3
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Transient Propagation of Spherical Waves in Porous Material: Application of Fractional Calculus. Symmetry (Basel) 2022. [DOI: 10.3390/sym14020233] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A fractional-order wave equation is established and solved for a space of three dimensions using spherical coordinates. An equivalent fluid model is used in which the acoustic wave propagates only in the fluid saturating the porous medium; this model is a special case of Biot’s theory obtained by the symmetry of the Lagrangian (invariance by translation and rotation). The basic solution of the wave equation is obtained in the time domain by analytically calculating Green’s function of the porous medium and using the properties of the Laplace transforms. Fractional derivatives are used to describe, in the time domain, the fluid–structure interactions, which are of the inertial, viscous, and thermal kind. The solution to the fractional-order wave equation represents the radiation field in the porous medium emitted by a point source. An important result obtained in this study is that the solution of the fractional equation is expressed by recurrence relations that are the consequence of the modified Bessel function of the third kind, which represents a physical solution of the wave equation. This theoretical work with analytical results opens up prospects for the resolution of forward and inverse problems allowing the characterization of a porous medium using spherical waves.
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Abdul-Kafi O, Toole M, Montes-Rivera M, Shroff A, Ardati A. Measure Twice, Cut Once: Adjunctive Physiology and Imaging in Left Main PCI. CURRENT CARDIOVASCULAR IMAGING REPORTS 2021. [DOI: 10.1007/s12410-021-09562-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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5
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Sabatino J, De Rosa S, Leo I, Strangio A, Spaccarotella C, Polimeni A, Sorrentino S, Di Salvo G, Indolfi C. Prediction of Significant Coronary Artery Disease Through Advanced Echocardiography: Role of Non-invasive Myocardial Work. Front Cardiovasc Med 2021; 8:719603. [PMID: 34504879 PMCID: PMC8421730 DOI: 10.3389/fcvm.2021.719603] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 07/29/2021] [Indexed: 12/28/2022] Open
Abstract
Background: Non-invasive prediction of critical coronary artery stenosis (CAST) in patients with coronary artery disease (CAD) is challenging. Strain parameters can often capture an impairment of regional longitudinal function; however, they are load dependent. A novel non-invasive method to estimate Myocardial Work (MW) has been recently proposed, showing a strong correlation with invasive work measurements. Our aim was to investigate the ability of non-invasive MW to predict the ischaemic risk area underlying a CAST. Methods and Results: The study population comprises 80 individuals: 50 patients with CAST and 30 controls (CTRL). Echocardiography recordings were obtained before coronary angiography to measure global longitudinal strain (GLS), Myocardial Work Index (MWI), Myocardial Constructive Work (MCW), Myocardial Wasted work (MWW), Myocardial Work Efficiency (MWE). Global MWI (p = 0.048), MWE (p < 0.001), and MCW (p = 0.048) at baseline were significantly reduced in patients with CAST compared to controls (p < 0.05). Regional MWE within the myocardial segments underlying the CAST, but not LS, was significantly reduced compared to non-target segments (p < 0.001). At ROC analysis, the diagnostic performance to predict CAST for regional MWE (AUC = 0.920, p < 0.001) was higher compared to both regional post-systolic shortening index (PSI) (AUC = 0.600, p = 0.129) and regional LS (AUC = 0.546, p = 0.469). Conclusions: Non-invasive estimation of MW work indices is able to predict a CAST before invasive angiography.
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Affiliation(s)
- Jolanda Sabatino
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy.,Cardiovascular Research Center, Magna Graecia University, Catanzaro, Italy.,Department of Women's and Children's Health, University of Padua, Padua, Italy
| | - Salvatore De Rosa
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy.,Cardiovascular Research Center, Magna Graecia University, Catanzaro, Italy
| | - Isabella Leo
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Antonio Strangio
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy
| | - Carmen Spaccarotella
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy.,Cardiovascular Research Center, Magna Graecia University, Catanzaro, Italy
| | - Alberto Polimeni
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy.,Cardiovascular Research Center, Magna Graecia University, Catanzaro, Italy
| | - Sabato Sorrentino
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy.,Cardiovascular Research Center, Magna Graecia University, Catanzaro, Italy
| | - Giovanni Di Salvo
- Department of Women's and Children's Health, University of Padua, Padua, Italy
| | - Ciro Indolfi
- Division of Cardiology, Department of Medical and Surgical Sciences, "Magna Graecia" University, Catanzaro, Italy.,Cardiovascular Research Center, Magna Graecia University, Catanzaro, Italy.,Mediterranea Cardiocentro, Naples, Italy
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6
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de la Torre Hernandez JM. Imaging and Physiology Get Along in the Left Main Coronary Artey Disease: The Case for Intravascular Ultrasound and Instantaneous Wave-Free Ratio. Circ Cardiovasc Interv 2021; 14:e010887. [PMID: 34092092 DOI: 10.1161/circinterventions.121.010887] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jose M de la Torre Hernandez
- Servicio de Cardiología, Hospital Universitario Marques de Valdecilla, Instituto de Investigación Marqués de Valdecilla (IDIVAL), Santander, Spain
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El Hajj SC, Toya T, Warisawa T, Nan J, Lewis BR, Cook CM, Rajkumar C, Howard JP, Seligman H, Ahmad Y, Doi S, Nakajima A, Nakayama M, Goto S, Vera-Urquiza R, Sato T, Kikuta Y, Kawase Y, Nishina H, Nakamura S, Matsuo H, Escaned J, Akashi YJ, Davies JE, Lerman A. Correlation of Intravascular Ultrasound and Instantaneous Wave-Free Ratio in Patients With Intermediate Left Main Coronary Artery Disease. Circ Cardiovasc Interv 2021; 14:e009830. [PMID: 34092096 DOI: 10.1161/circinterventions.120.009830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Stephanie C El Hajj
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (S.C.H., T.T., J.N., A.L.)
| | - Takumi Toya
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (S.C.H., T.T., J.N., A.L.).,Division of Cardiology, National Defense Medical College, Tokorozawa, Japan (T.T.)
| | - Takayuki Warisawa
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.).,Department of Cardiovascular Medicine, St. Marianna University School of Medicine Yokohama City Seibu Hospital, Japan (T.W.)
| | - John Nan
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (S.C.H., T.T., J.N., A.L.)
| | - Bradley R Lewis
- Department of Biomedical Statistics and Informatics, Mao Clinic, Rochester, MN (B.R.L.)
| | - Christopher M Cook
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.)
| | - Christopher Rajkumar
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.)
| | - James P Howard
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.)
| | - Henry Seligman
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.)
| | - Yousif Ahmad
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.)
| | - Shunichi Doi
- Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Japan (S.D.)
| | - Akihiro Nakajima
- Department of Cardiovascular Medicine, New Tokyo Hospital, Matsudo, Japan (A.N., S.N.)
| | - Masafumi Nakayama
- Cardiovascular Centre, Toda Central General Hospital, Japan (M.N.).,Tokyo Women's Medical University - Waseda University Joint Institution for Advanced Biomedical Sciences, Japan (M.N.)
| | - Sonoka Goto
- Hospital Clínico San Carlos IDISSC, Complutense University of Madrid, Spain (S.G., R.V.-U., J.E.).,Department of Cardiology, Tachikawa General Hospital, Nagaoka, Japan (S.G., T.S., Y. Kawase)
| | - Rafael Vera-Urquiza
- Hospital Clínico San Carlos IDISSC, Complutense University of Madrid, Spain (S.G., R.V.-U., J.E.)
| | - Takao Sato
- Department of Cardiology, Tachikawa General Hospital, Nagaoka, Japan (S.G., T.S., Y. Kawase)
| | - Yuetsu Kikuta
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.).,Division of Cardiology, Fukuyama Cardiovascular Hospital, Japan (Y. Kikuta)
| | - Yoshiaki Kawase
- Department of Cardiology, Tachikawa General Hospital, Nagaoka, Japan (S.G., T.S., Y. Kawase)
| | - Hidetaka Nishina
- Department of Cardiology, Tsukuba Medical Center Hospital, Japan (H.N.)
| | - Sunao Nakamura
- Department of Cardiovascular Medicine, New Tokyo Hospital, Matsudo, Japan (A.N., S.N.)
| | - Hitoshi Matsuo
- Department of Cardiovascular Medicine, Gifu Heart Center, Japan (H.M.)
| | - Javier Escaned
- Hospital Clínico San Carlos IDISSC, Complutense University of Madrid, Spain (S.G., R.V.-U., J.E.)
| | | | - Justin E Davies
- National Heart and Lung Institute, Imperial College London (T.W., C.M.C., C.R., J.P.H., H.S., Y.A., Y. Kikuta, J.E.D.)
| | - Amir Lerman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN (S.C.H., T.T., J.N., A.L.)
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8
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Kayaert P, Coeman M, Gevaert S, De Pauw M, Haine S. Physiology-Based Revascularization of Left Main Coronary Artery Disease. J Interv Cardiol 2021; 2021:4218769. [PMID: 33628144 PMCID: PMC7892248 DOI: 10.1155/2021/4218769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 01/12/2021] [Accepted: 01/22/2021] [Indexed: 01/10/2023] Open
Abstract
It is of critical importance to correctly assess the significance of a left main lesion. Underestimation of significance beholds the risk of inappropriate deferral of revascularization, whereas overestimation may trigger major but unnecessary interventions. This article addresses the invasive physiological assessment of left main disease and its role in deciding upon revascularization. It mainly focuses on the available evidence for fractional flow reserve and instantaneous wave-free ratio, their interpretation, and limitations. We also discuss alternative invasive physiological indices and imaging, as well as the link between physiology, ischemia, and prognosis.
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Affiliation(s)
- Peter Kayaert
- Department of Cardiology, Ghent University Hospital, Ghent, Belgium
| | - Mathieu Coeman
- Department of Cardiology, Jan Yperman Ziekenhuis, Ypres, Belgium
| | - Sofie Gevaert
- Department of Cardiology, Ghent University Hospital, Ghent, Belgium
| | - Michel De Pauw
- Department of Cardiology, Ghent University Hospital, Ghent, Belgium
| | - Steven Haine
- Department of Cardiology, Antwerp University Hospital, Antwerp, Belgium
- Department of Cardiovascular Diseases, University of Antwerp, Antwerp, Belgium
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9
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Michail M, Thakur U, Mehta O, Ramzy JM, Comella A, Ihdayhid AR, Cameron JD, Nicholls SJ, Hoole SP, Brown AJ. Non-hyperaemic pressure ratios to guide percutaneous coronary intervention. Open Heart 2020; 7:e001308. [PMID: 33004619 PMCID: PMC7534727 DOI: 10.1136/openhrt-2020-001308] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 07/03/2020] [Accepted: 08/07/2020] [Indexed: 01/10/2023] Open
Abstract
The use of fractional flow reserve (FFR) in guiding revascularisation improves patient outcomes and has been well-established in clinical guidelines. Despite this, the uptake of FFR has been limited, likely attributable to the perceived increase in procedural time and use of hyperaemic agents that can cause patient discomfort. This has led to the development of instantaneous wave-free ratio (iFR), an alternative non-hyperaemic pressure ratio (NHPR). Since its inception, the use of iFR has been supported by an increasing body of evidence and is now guideline recommended. More recently, other commercially available NHPRs including diastolic hyperaemia-free ratio and resting full-cycle ratio have emerged. Studies have demonstrated that these indices, in addition to mean distal coronary artery pressure to mean aortic pressure ratio, are mathematically analogous (with specific nuances) to iFR. Additionally, there is increasing data demonstrating the equivalent diagnostic performance of alternative NHPRs in comparison with iFR and FFR. These NHPRs are now integral within most current pressure wire systems and are commonly available in the catheter laboratory. It is therefore key to understand the fundamental differences and evidence for NHPRs to guide appropriate clinical decision-making.
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Affiliation(s)
- Michael Michail
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
- Institute of Cardiovascular Science, University College London, London, United Kingdom
| | - Udit Thakur
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - Ojas Mehta
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - John M Ramzy
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - Andrea Comella
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - Abdul Rahman Ihdayhid
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - James D Cameron
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - Stephen J Nicholls
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
| | - Stephen P Hoole
- Department of Interventional Cardiology, Papworth Hospital NHS Foundation Trust, Cambridge, UK
| | - Adam J Brown
- Monash Cardiovascular Research Centre and MonashHeart, Monash University and Monash Health, Melbourne, Victoria, Australia
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10
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Non-hyperaemic coronary pressure measurements to guide coronary interventions. Nat Rev Cardiol 2020; 17:629-640. [DOI: 10.1038/s41569-020-0374-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/31/2020] [Indexed: 01/11/2023]
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11
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Clarke JRD, Duarte Lau F, Zarich SW. Determining the Significance of Coronary Plaque Lesions: Physiological Stenosis Severity and Plaque Characteristics. J Clin Med 2020; 9:jcm9030665. [PMID: 32131474 PMCID: PMC7141262 DOI: 10.3390/jcm9030665] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/26/2020] [Accepted: 02/26/2020] [Indexed: 01/10/2023] Open
Abstract
The evaluation of coronary lesions has evolved in recent years. Physiologic-guided revascularization (particularly with pressure-derived fractional flow reserve (FFR)) has led to superior outcomes compared to traditional angiographic assessment. A greater importance, therefore, has been placed on the functional significance of an epicardial lesion. Despite the improvements in the limitations of angiography, insights into the relationship between hemodynamic significance and plaque morphology at the lesion level has shown that determining the implications of epicardial lesions is rather complex. Investigators have sought greater understanding by correlating ischemia quantified by FFR with plaque characteristics determined on invasive and non-invasive modalities. We review the background of the use of these diagnostic tools in coronary artery disease and discuss the implications of analyzing physiological stenosis severity and plaque characteristics concurrently.
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Affiliation(s)
- John-Ross D. Clarke
- Department of Internal Medicine, Yale-New Haven Health/Bridgeport Hospital, Bridgeport, CT 06610, USA;
- Correspondence: or ; Tel.: +1-203-260-4510
| | - Freddy Duarte Lau
- Department of Internal Medicine, Yale-New Haven Health/Bridgeport Hospital, Bridgeport, CT 06610, USA;
| | - Stuart W. Zarich
- The Heart and Vascular Institute, Yale-New Haven Health/Bridgeport Hospital, Bridgeport, CT 06610, USA;
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