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Landi I, Alkhabaz A, Abou Shaar B, Galzerano D, Albert-Brotons D, Tahir M, Eltayeb A, Alenazy A, Arshi F, Limongelli G, Bossone E, Vriz O. Non-atherosclerotic coronary artery disease: an overview of a heterogeneous disease. Coron Artery Dis 2024; 35:333-347. [PMID: 38206797 DOI: 10.1097/mca.0000000000001317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Affiliation(s)
- Irene Landi
- Department of Translational Medicine, Università del Piemonte Orientale, Novara, Italy
| | - Anas Alkhabaz
- Heart Centre, King Faisal Specialist Hospital & Research Centre
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Bader Abou Shaar
- Heart Centre, King Faisal Specialist Hospital & Research Centre
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | | | - Mohammed Tahir
- Heart Centre, King Faisal Specialist Hospital & Research Centre
| | - Abdulla Eltayeb
- Heart Centre, King Faisal Specialist Hospital & Research Centre
| | - Ali Alenazy
- Heart Centre, King Faisal Specialist Hospital & Research Centre
| | - Fatima Arshi
- Heart Centre, King Faisal Specialist Hospital & Research Centre
| | - Giuseppe Limongelli
- Inherited and Rare Cardiovascular Disease Unit, Department of Translational Medical Sciences, University of Campania 'Luigi Vanvitelli', AORN dei Colli, Monaldi Hospital
| | - Eduardo Bossone
- Department of Cardiology, Azienda Ospedaliera di Rilevanza Nazionale 'A. Cardarelli' Hospital, Naples, Italy
| | - Olga Vriz
- Heart Centre, King Faisal Specialist Hospital & Research Centre
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Gräni C, Bigler MR, Kwong RY. Noninvasive Multimodality Imaging for the Assessment of Anomalous Coronary Artery. Curr Cardiol Rep 2023; 25:1233-1246. [PMID: 37851270 DOI: 10.1007/s11886-023-01948-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/19/2023] [Indexed: 10/19/2023]
Abstract
PURPOSE OF REVIEW Anomalous aortic origin of a coronary artery (AAOCA) is a rare congenital coronary anomaly with the potential to cause myocardial ischemia and adverse cardiac events. The presence of AAOCA anatomy itself does not necessarily implicate a need for revascularization. Therefore, the purpose of this review is to assess how noninvasive comprehensive anatomic- and physiologic evaluation may guide patient management. RECENT FINDINGS The assessment of AAOCA includes an accurate description of the anomalous origin/vessel course including anatomical high-risk features such as a slit-like ostium, proximal narrowing, elliptic vessel shape, acute take-off angle, intramural course, and possible concomitant coronary atherosclerosis and hemodynamics. Various cardiac imaging modalities offer unique advantages and capabilities in visualizing these anatomical and functional aspects of AAOCA. This review explored the role of noninvasive multimodality imaging in the characterization of AAOCA by highlighting the strengths, limitations, and potential applications of the current different cardiac imaging methods, with a focus on the pathophysiology of myocardial ischemia and stress testing protocols.
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Affiliation(s)
- Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Marius R Bigler
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Raymond Y Kwong
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, 02115, USA.
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Stark AW, Giannopoulos AA, Pugachev A, Shiri I, Haeberlin A, Räber L, Obrist D, Gräni C. Application of Patient-Specific Computational Fluid Dynamics in Anomalous Aortic Origin of Coronary Artery: A Systematic Review. J Cardiovasc Dev Dis 2023; 10:384. [PMID: 37754814 PMCID: PMC10532130 DOI: 10.3390/jcdd10090384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/01/2023] [Accepted: 09/04/2023] [Indexed: 09/28/2023] Open
Abstract
Anomalous aortic origin of a coronary artery (AAOCA) is a rare congenital heart condition with fixed and dynamic stenotic elements, potentially causing ischemia. Invasive coronary angiography under stress is the established method for assessing hemodynamics in AAOCA, yet it is costly, technically intricate, and uncomfortable. Computational fluid dynamics (CFD) simulations offer a noninvasive alternative for patient-specific hemodynamic analysis in AAOCA. This systematic review examines the role of CFD simulations in AAOCA, encompassing patient-specific modeling, noninvasive imaging-based boundary conditions, and flow characteristics. Screening articles using AAOCA and CFD-related terms prior to February 2023 yielded 19 publications, covering 370 patients. Over the past four years, 12 (63%) publications (259 patients) employed dedicated CFD models, whereas 7 (37%) publications (111 patients) used general-purpose CFD models. Dedicated CFD models were validated for fixed stenosis but lacked dynamic component representation. General-purpose CFD models exhibited variability and limitations, with fluid-solid interaction models showing promise. Interest in CFD modeling of AAOCA has surged recently, mainly utilizing dedicated models. However, these models inadequately replicate hemodynamics, necessitating novel CFD approaches to accurately simulate pathophysiological changes in AAOCA under stress conditions.
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Affiliation(s)
- Anselm W. Stark
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.W.S.); (I.S.); (A.H.); (L.R.)
| | - Andreas A. Giannopoulos
- Department of Nuclear Medicine, Cardiac Imaging, University Hospital Zurich, 8091 Zurich, Switzerland;
| | | | - Isaac Shiri
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.W.S.); (I.S.); (A.H.); (L.R.)
| | - Andreas Haeberlin
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.W.S.); (I.S.); (A.H.); (L.R.)
| | - Lorenz Räber
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.W.S.); (I.S.); (A.H.); (L.R.)
| | - Dominik Obrist
- ARTORG Center for Biomedical Engineering Research, Faculty of Medicine, University of Bern, 3008 Bern, Switzerland;
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, 3010 Bern, Switzerland; (A.W.S.); (I.S.); (A.H.); (L.R.)
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Angelini P, Uribe C. Stent Angioplasty in Coronary Artery Anomalies With Intramural Course: When, Why, How, With What Results? JOURNAL OF THE SOCIETY FOR CARDIOVASCULAR ANGIOGRAPHY & INTERVENTIONS 2023; 2:100595. [PMID: 39130716 PMCID: PMC11307458 DOI: 10.1016/j.jscai.2023.100595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/18/2023] [Accepted: 01/23/2023] [Indexed: 08/13/2024]
Abstract
Although coronary artery anomalies include multiple disorders, few are likely to require intervention, given that the risk for critical sequelae (ie, sudden cardiac arrest and sudden cardiac death) is generally low. This article addresses which coronary artery anomaly carriers may need intervention and which interventions may be required. The recent introduction of stent angioplasty is discussed in particular, along with general reviews of nomenclature, various anatomical and functional presentations, quantitative diagnosis methods, and indications for surgical versus percutaneous intervention. Novel criteria for defining severe stenosis also are proposed. Optimal risk quantification depends on precise imaging that only intravascular ultrasonography or optical coherence tomography can reliably obtain. Accordingly, the technique of intravascular ultrasonography-monitored stent angioplasty is described in detail. Initial results from our group's study of 100 patients with right or left anomalous origin of a coronary artery from an opposite sinus of Valsalva with intramural course are reported. Future efforts should prospectively evaluate stent angioplasty in multicenter studies based on precise, consistent techniques and follow-up protocols, such as those initiated by our group. Comparisons with surgical results should be part of the program, with the understanding that detailed and complete results from those techniques will require long-term (5- to 10-year) studies.
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Affiliation(s)
- Paolo Angelini
- The Texas Heart Institute Center for Cardiovascular Care, Houston, Texas
| | - Carlo Uribe
- The Texas Heart Institute Center for Cardiovascular Care, Houston, Texas
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Bigler MR, Kadner A, Räber L, Ashraf A, Windecker S, Siepe M, Padalino MA, Gräni C. Therapeutic Management of Anomalous Coronary Arteries Originating From the Opposite Sinus of Valsalva: Current Evidence, Proposed Approach, and the Unknowing. J Am Heart Assoc 2022; 11:e027098. [PMID: 36205254 DOI: 10.1161/jaha.122.027098] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Anomalous coronary arteries originating from the opposite sinus of Valsalva (ACAOS) are a challenge because of their various anatomic and clinical presentation. Although the prevalence is low, the absolute numbers of detected ACAOS are increasing because of the growing use of noninvasive anatomical imaging for ruling out coronary artery disease. As evidence-based guidelines are lacking, treating physicians are left in uncertainty for the optimal management of such patients. The sole presence of ACAOS does not justify surgical correction, and therefore a thorough anatomic and hemodynamic assessment is warranted. Invasive and noninvasive multimodality imaging provides information to the clinical question whether the presence of ACAOS is an innocent coincidental finding, is responsible for the patient's symptoms, or even might be a risk for sudden cardiac death. Based on recent clinical data, focusing on the pathophysiology of patients with ACAOS, myocardial ischemia is dependent on both the extent of fixed and dynamic components, represented by anatomic high-risk features. These varying combinations should be considered individually in the decision making for the different therapeutic options. This state-of-the-art review focuses on the advantages and limitations of the common contemporary surgical, interventional, and medical therapy with regard to the anatomy and pathophysiology of ACAOS. Further, we propose a therapeutic management algorithm based on current evidence on multimodality invasive and noninvasive imaging findings and highlight remaining gaps of knowledge.
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Affiliation(s)
- Marius Reto Bigler
- Department of Cardiology Inselspital, Bern University Hospital, University of Bern Bern Switzerland
| | - Alexander Kadner
- Centre for Congenital Heart Disease, Department of Cardiovascular Surgery Inselspital Bern Switzerland
| | - Lorenz Räber
- Department of Cardiology Inselspital, Bern University Hospital, University of Bern Bern Switzerland
| | - Afreed Ashraf
- Department of Cardiology Inselspital, Bern University Hospital, University of Bern Bern Switzerland
| | - Stephan Windecker
- Department of Cardiology Inselspital, Bern University Hospital, University of Bern Bern Switzerland
| | - Matthias Siepe
- Centre for Congenital Heart Disease, Department of Cardiovascular Surgery Inselspital Bern Switzerland
| | - Massimo Antonio Padalino
- Section of Pediatric and Congenital Cardiac Surgery, Department of Cardio-Thoracic and Vascular Sciences, and Public Health University of Padova, Medical School Padova Italy
| | - Christoph Gräni
- Department of Cardiology Inselspital, Bern University Hospital, University of Bern Bern Switzerland
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Bigler MR, Ashraf A, Seiler C, Praz F, Ueki Y, Windecker S, Kadner A, Räber L, Gräni C. Hemodynamic Relevance of Anomalous Coronary Arteries Originating From the Opposite Sinus of Valsalva-In Search of the Evidence. Front Cardiovasc Med 2021; 7:591326. [PMID: 33553251 PMCID: PMC7859106 DOI: 10.3389/fcvm.2020.591326] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 12/23/2020] [Indexed: 12/16/2022] Open
Abstract
Coronary artery anomalies (CAA) represent a heterogeneous group of congenital disorders of the arterial coronary circulation, defined by an anomalous origin of the coronary ostium and/or vessel course. Of particular interest are anomalous coronary arteries originating from the opposite sinus of Valsalva (ACAOS). The interarterial variants (with the anomalous vessel situated between the great arteries) are historically called "malignant," based on an anticipated higher risk for myocardial ischemia and sudden cardiac death (SCD), especially affecting young patients during strenuous physical activity. However, the interarterial course itself may not be the predominant cause of ischemia, but rather represents a surrogate for other ischemia-associated anatomical high-risk features. As the exact pathophysiology of ACAOS is not well-understood, there is a lack of evidence-based guidelines addressing optimal diagnostic work-up, downstream testing, sports counseling, and therapeutic options in patients with ACAOS. Therefore, treating physicians are often left with uncertainty regarding the clinical management of affected patients. This review focuses on the pathophysiologic consequences of ACAOS on myocardial ischemia and discusses the concept of the interplay between fixed and dynamic coronary stenosis. Further, we discuss the advantages and limitations of the different diagnostic modalities and give an outlook by highlighting the gaps of knowledge in the assessment of such anomalies.
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Affiliation(s)
- Marius Reto Bigler
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Afreed Ashraf
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Christian Seiler
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Fabien Praz
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Yasushi Ueki
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Stephan Windecker
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Alexander Kadner
- Department of Cardiovascular Surgery, Centre for Congenital Heart Disease, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Lorenz Räber
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Christoph Gräni
- Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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Gräni C, Kaufmann PA, Windecker S, Buechel RR. Diagnosis and Management of Anomalous Coronary Arteries with a Malignant Course. ACTA ACUST UNITED AC 2019; 14:83-88. [PMID: 31178934 PMCID: PMC6545977 DOI: 10.15420/icr.2019.1.1] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 03/11/2019] [Indexed: 12/26/2022]
Abstract
Although the prevalence of anomalous coronary artery from the opposite sinus (ACAOS) in the general population is low, more frequent use of invasive and non-invasive imaging to rule out coronary artery disease has seen an increase in absolute numbers of ACAOS. ACAOS are traditionally classified as malignant (with an interarterial course) and benign variants. Malignant variants have been recognised in autopsy studies to be an underlying cause of sudden cardiac death in young athletes. Conversely, it seems that older people with ACAOS are less predisposed to adverse cardiac events. Non-invasive anatomic imaging is complementary to invasive imaging and helps to further identify high-risk anatomic features. Using functional non-invasive perfusion imaging can assess potential ischaemia induced by dynamic compression of malignant ACAOS. Information gained from clinical imaging guides the management of these patients.
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Affiliation(s)
- Christoph Gräni
- Department of Cardiology, Bern University Hospital Bern, Switzerland.,Department of Nuclear Medicine, University Hospital Zurich Zurich, Switzerland
| | - Philipp A Kaufmann
- Department of Nuclear Medicine, University Hospital Zurich Zurich, Switzerland
| | - Stephan Windecker
- Department of Cardiology, Bern University Hospital Bern, Switzerland
| | - Ronny R Buechel
- Department of Nuclear Medicine, University Hospital Zurich Zurich, Switzerland
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