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Chandrasekhar S, Woods E, Bennett J, Newman N, McLean P, Alam M, Jneid H, Sharma S, Khawaja M, Krittanawong C. Coronary Artery Anomalies: Diagnosis & Management. Cardiol Rev 2024:00045415-990000000-00334. [PMID: 39315746 DOI: 10.1097/crd.0000000000000786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/25/2024]
Abstract
Coronary artery anomalies encompass a spectrum of congenital abnormalities affecting the origin, course, or termination of the major epicardial coronary arteries. Despite their rarity, coronary artery anomalies represent a significant burden on cardiovascular health due to their potential to disrupt myocardial blood flow and precipitate adverse cardiac events. While historically diagnosed postmortem, the widespread availability of imaging modalities has led to an increased recognition of coronary artery anomalies, particularly in adults. This review synthesizes current knowledge on the classification, mechanisms, and clinical implications of coronary anomalies, focusing on prevalent variants with significant clinical impact. We discuss strategies for medical and surgical management, as well as contemporary screening recommendations, acknowledging the evolving understanding of these anomalies. Given the breadth of possible variants and the limited data on some presentations, this review provides a framework to aid clinicians in the recognition and management of coronary anomalies, with a particular emphasis on their stratification by anatomical location. By consolidating existing knowledge and highlighting areas of uncertainty, this review aims to enhance clinical decision-making and improve outcomes for individuals with coronary anomalies.
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Affiliation(s)
- Sanjay Chandrasekhar
- From the Division of Internal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Edward Woods
- From the Division of Internal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Josiah Bennett
- From the Division of Internal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Noah Newman
- From the Division of Internal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Patrick McLean
- From the Division of Internal Medicine, Emory University School of Medicine, Atlanta, GA
| | - Mahboob Alam
- Cardiology Division, The Texas Heart Institute, Baylor College of Medicine, Houston, TX
| | - Hani Jneid
- John Sealy Distinguished Centennial Chair in Cardiology, Chief, Division of Cardiology, University of Texas Medical Branch, Houston, TX
| | - Samin Sharma
- Department of Cardiology, Mount Sinai Hospital, New York, NY
| | - Muzamil Khawaja
- Cardiology Division, Emory University School of Medicine, Atlanta, GA
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Gil BM, Chang S, Beck KS, Lee W, Lee HJ, Choo KS, Chung MH, Kim TH, Jung JI. Evaluating the Association between Anomalous Aortic Origin of the Right Coronary Artery from the Left Sinus with Interarterial Course at Coronary CT Angiography and Sudden Cardiac Death. Radiol Cardiothorac Imaging 2024; 6:e230407. [PMID: 39023372 PMCID: PMC11369655 DOI: 10.1148/ryct.230407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 05/17/2024] [Accepted: 06/21/2024] [Indexed: 07/20/2024]
Abstract
Purpose To investigate the association between the anomalous aortic origin of the right coronary artery (R-AAOCA) from the left coronary sinus with interarterial course (IAC) found at coronary CT angiography and sudden cardiac death using a large data set from five university hospitals. Materials and Methods From a total of 89 314 CCTA scans (January 2009 to December 2016) that were retrospectively collected, 316 patients with R-AAOCA from the left sinus with IAC were retrospectively collected. After excluding patients with less than 2 years of follow-up, patients who had already undergone cardiovascular surgery or intervention, and patients with arrhythmia or heart failure before undergoing coronary CT angiography, 224 patients were analyzed. Follow-up was terminated upon the occurrence of major adverse cardiovascular events (MACE). Logistic regression was used to identify clinical and radiologic information as independent predictors of MACE. Results The period prevalence of R-AAOCA from the left sinus with IAC was 0.354%. The mean age was 62.03 years, with a male-to-female ratio of 182:134. During follow-up, 19 of 224 patients (8.5%) experienced MACE, but none had sudden cardiac death. Of these cases, only seven (3.13%) were suspected of being due to R-AAOCA from the left sinus with IAC and all of them had unstable angina. Coronary artery disease was significantly associated with MACE (P < .001), while no significant correlation was observed with radiologic features. Conclusion Sudden cardiac death was not associated with R-AAOCA from the left sinus with IAC found at coronary CT angiography. The occurrence of MACE was low, with coronary artery disease being the sole significant predictor of a patient's prognosis. Keywords: Anomalous Aortic Origin of the Right Coronary Artery, Left Coronary Sinus with Interarterial Course, Coronary CT Angiography, Sudden Cardiac Death Supplemental material is available for this article. © RSNA, 2024.
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Affiliation(s)
- Bo Mi Gil
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Suyon Chang
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Kyongmin Sarah Beck
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Whal Lee
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Hye-Jeong Lee
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Ki Seok Choo
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Myung Hee Chung
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Tae Hoon Kim
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
| | - Jung Im Jung
- From the Department of Radiology, Bucheon St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
(B.M.G., M.H.C.); Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul 06591, Republic of Korea (S.C., K.S.B., J.I.J.); Department of
Radiology, Seoul National University Hospital, Seoul National College of
Medicine, Seoul, Republic of Korea (W.L.); Department of Radiology, Research
Institute of Radiological Science, Severance Hospital, Yonsei University College
of Medicine, Seoul, Republic of Korea (H.J.L.); Department of Radiology, Pusan
National University Hospital, Pusan National University School of Medicine,
Busan, Republic of Korea (K.S.C.); and Department of Radiology, Gangnam
Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
(T.H.K.)
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3
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Adamu YM, Umar AB, Muhammad AR, Mijinyawa MS, Ismail A. Aberrant right coronary artery in an elderly Nigerian with recent dyspnoea detected on coronary CT angiogram. Radiol Case Rep 2024; 19:2621-2624. [PMID: 38645958 PMCID: PMC11026724 DOI: 10.1016/j.radcr.2024.03.047] [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: 12/01/2023] [Revised: 03/08/2024] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
An anomalous origin of the right coronary artery has been documented in up to 0.92% of the general population, which is more common than an anomalous origin of the left coronary artery. We present a case of an elderly hypertensive man who developed mild dyspnoea on exertion for 3 months with associated retro-sternal pain as well as occasional palpitation which all tend to subside at rest. An electrocardiogram showed evidence of left atrial enlargement. A coronary computed tomographic angiogram was acquired with a 160-slice scanner which revealed the right coronary artery to originate from the left aortic sinus with a retro-aortic pattern of anatomical course. Vascular wall calcifications were noted with multilevel luminal narrowing on the left anterior descending however distal opacification was adequate. Our case further depicts the reason for keeping in mind anatomical variations while evaluating cardiac pathologies even among Black Africans.
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Affiliation(s)
| | | | | | | | - Anas Ismail
- Department of Radiology, Bayero University, Kano, Nigeria
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4
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Serafini L, Piazzani M, Madureri A, Giacomarra G, Elia S, Chizzola G, Metra M, Adamo M. Anomalous origin of the coronary arteries: a brief summary for clinical practice. J Cardiovasc Med (Hagerstown) 2024; 25:364-369. [PMID: 38555582 DOI: 10.2459/jcm.0000000000001607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Affiliation(s)
- Lisa Serafini
- Institute of Cardiology, ASST Spedali Civili, Department of Medical and Surgical specialties, Radiological sciences and Public Health, University of Brescia
| | | | | | | | - Stefano Elia
- Radiology Unit, ASST Valcamonica, Esine, Brescia, Italy
| | - Giuliano Chizzola
- Institute of Cardiology, ASST Spedali Civili, Department of Medical and Surgical specialties, Radiological sciences and Public Health, University of Brescia
| | - Marco Metra
- Institute of Cardiology, ASST Spedali Civili, Department of Medical and Surgical specialties, Radiological sciences and Public Health, University of Brescia
| | - Marianna Adamo
- Institute of Cardiology, ASST Spedali Civili, Department of Medical and Surgical specialties, Radiological sciences and Public Health, University of Brescia
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5
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Corcoran J, Barbarawi M. An Anomalous Left Main Coronary Artery Arising From the Right Sinus of Valsalva With Anginal Chest Pain. Cureus 2023; 15:e41773. [PMID: 37575839 PMCID: PMC10421336 DOI: 10.7759/cureus.41773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 07/11/2023] [Indexed: 08/15/2023] Open
Abstract
An anomalous coronary artery (ACA) is a congenital malformation or variation where one or both coronary arteries have an abnormal origin. This condition has been associated with a high risk of adverse cardiac events, including sudden cardiac death. Our patient initially presented nine years before the diagnosis of the ACA with anginal chest pain on exertion. The patient had positive nuclear stress with both ST depressions and ST elevations, as well as transient ischemic dilatation of 1.36. A coronary artery angiogram revealed an anomalous left coronary artery originating from the right coronary sinus. The distal anatomy was determined with coronary computed tomography angiography (CCTA), which showed an interarterial course. The patient underwent coronary artery bypass surgery following CCTA.
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Affiliation(s)
- Jason Corcoran
- Research, Alabama College of Osteopathic Medicine, Dothan, USA
| | - Mahmoud Barbarawi
- Cardiology, University of Connecticut School of Medicine, Farmington, USA
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Alam MM, Tasha T, Ghosh AS, Nasrin F. Coronary Artery Anomalies: A Short Case Series and Current Review. Cureus 2023; 15:e38732. [PMID: 37292534 PMCID: PMC10247158 DOI: 10.7759/cureus.38732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2023] [Indexed: 06/10/2023] Open
Abstract
Coronary artery anomalies (CAAs) are rare congenital cardiovascular defects that can present in various ways depending on the origin, course, and termination of the abnormal coronary artery fistula. It is sometimes detected incidentally during procedures such as coronary angiography or autopsies. While adults with this condition are often asymptomatic, some may experience angina, congestive heart failure, myocardial infarction, cardiomyopathy, ventricular aneurysms, or sudden cardiac death (SCD). In fact, it is the second leading cause of SCD among young athletes and requires more studies to handle such patients efficiently. To illustrate the many possible manifestations of this unusual diagnosis, we present a series of five cases. We have also reviewed the different varieties of this rare congenital anomaly and discussed the latest diagnostic tests and treatment plans.
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Affiliation(s)
- Md Mashiul Alam
- Internal Medicine, Bridgeport Hospital/Yale University, Bridgeport, USA
| | - Tasniem Tasha
- Internal Medicine, Fralin Biomedical Research Institute, Virginia Tech, Blacksburg, USA
| | - Ammy S Ghosh
- Hematology-Oncology, University of Michigan, Ann Arbor, USA
| | - Farjana Nasrin
- Oncology, Howard University Hospital, Washington, DC, USA
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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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Şahin T, Ilgar M. Investigation of the Frequency of Coronary Artery Anomalies in MDCT Coronary Angiography and Comparison of Atherosclerotic Involvement between Anomaly Types. Tomography 2022; 8:1631-1641. [PMID: 35736883 PMCID: PMC9228493 DOI: 10.3390/tomography8030135] [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: 04/29/2022] [Revised: 06/09/2022] [Accepted: 06/16/2022] [Indexed: 12/02/2022] Open
Abstract
Coronary artery anomalies (CAAs) are rare anatomical variations characterized by abnormal origin, course, or termination of the coronary arteries. This study aims to identify incidental CAAs in patients who underwent multidetector computed tomography coronary angiography (MDCTCA) to determine their incidence and to evaluate whether there is a difference between CAA types in terms of coronary atherosclerotic involvement. For this purpose, patients who underwent MDCTCA between December 2018 and January 2022 were retrospectively assessed. Of the 5200 MDCTCAs analyzed, CAAs were detected in 136 patients (2.61%). Of these 136 patients, 37 (27.2%) patients had an origin anomaly, 97 (71.3%) had a course anomaly, and 2 (1.5%) had a termination anomaly. There was no statistically significant difference between CAA types in terms of atherosclerotic involvement (p = 0.220). However, atherosclerotic involvement was high in vessels with anomalies when normal vessels with and without anomalies were compared (p = 0.005). Accurate detection of CAAs is vital for endovascular treatment or surgical intervention. MDCTCA is helpful both in the diagnosis of CAA and in the early detection and development of prevention strategies for coronary atherosclerosis.
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Affiliation(s)
- Tuna Şahin
- Department of Radiology, Faculty of Medicine, Adnan Menderes University, 09100 Aydın, Turkey
- Correspondence:
| | - Mehtap Ilgar
- Department of Radiology, Malatya Training and Research Hospital, 44330 Malatya, Turkey;
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9
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Khan AB, Iqbal F, Gul M, Ahmad S, Ahmad M. A Rare Symptomatic Case of Congenital Origin of Right Coronary Artery From Left Coronary Sinus. Cureus 2022; 14:e25358. [PMID: 35774651 PMCID: PMC9236675 DOI: 10.7759/cureus.25358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/26/2022] [Indexed: 11/05/2022] Open
Abstract
An anomalous origin of the right coronary artery from the left coronary sinus is a rare congenital disorder, characterized by an asymptomatic presentation and an increased risk of myocardial infarction, arrhythmias, and sudden cardiac death. This disorder with an inter arterial course of the right coronary artery is subject to mechanical compression leading to various symptoms. Only a handful of studies are published related to the atypical origin of coronary arteries. Therefore, we present a case of a hospitalized adult diagnosed with an atypical origin of the right coronary artery from the left coronary sinus. A 51-year-old female presented with mid-sternal heaviness, pressure, and burning sensation, not accompanied by sweating, dizziness, or light-headedness. Biochemical studies revealed an elevated troponin 1 level of 0.12 ng/mL. A coronary arteriogram showed proximal stenosis of the right coronary artery. CT cardiac angiography revealed a large right coronary artery arising from the left cusp anterior to the left main coronary artery. The patient was treated with surgical revascularization therapy.
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Barton J, Hussain A, Chaubey S, Mittal A, Khan H, Wendler O. Surgical management and long-term follow-up of aberrant right coronary arteries in adults. J Card Surg 2022; 37:1497-1502. [PMID: 35355326 DOI: 10.1111/jocs.16461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/03/2022] [Accepted: 03/16/2022] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Anomalous origins of the right coronary artery (RCA) can cause ischaemia and sudden cardiac death, particularly if the RCA runs between the aorta and pulmonary artery. Conventional coronary artery bypass grafting (CABG) can be affected by early graft failure due to collateral blood flow. We present our institutional experience in managing patients with RCA anomalies. METHODS A single-center retrospective review of all patients who underwent surgery for aberrant right coronary arteries between 2005 and 2021 was conducted and in-hospital and long-term outcomes were analysed at our institution. RESULTS A total of 10 patients (5 females, median age: 51 years, 36-62) were identified. They presented with symptoms of chest pain (n = 8), dyspnoea (n = 1) or following cardiac arrest (n = 1). In the majority the RCA originated from the left coronary sinus (n = 9). In one of those patients and one in whom the RCA originated directly from the left anterior descending artery CABG was performed. The other 8 patients were treated using transfer of the RCA ostium. All patients were discharged home (median hospital stay 5 days, range: 4-10). Four patients experienced post-op atrial fibrillation. No other complications were observed. At a median follow-up of 10 years and 9 months, 9 patients were alive and free from cardiac symptoms. One patient died 3 years postsurgery due to liver failure, unrelated to cardiac disease. CONCLUSIONS In patients with an aberrant RCA, transfer of the ostium into the RCS carries a low surgical risk. It overcomes early graft failure in these patients, who present with a dynamic impairment in RCA blood flow. However, if fixed proximal RCA flow-limiting pathology exists, conventional bypass surgery is feasible.
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Affiliation(s)
- James Barton
- Department of Cardiothoracic Surgery, King's College Hospital, London, UK
| | - Azhar Hussain
- Department of Cardiothoracic Surgery, King's College Hospital, London, UK
| | - Sanjay Chaubey
- Department of Cardiothoracic Surgery, King's College Hospital, London, UK
| | - Aaina Mittal
- Department of Cardiothoracic Surgery, King's College Hospital, London, UK
| | - Habib Khan
- Department of Cardiothoracic Surgery, King's College Hospital, London, UK
| | - Olaf Wendler
- Department of Cardiothoracic Surgery, King's College Hospital, London, UK
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11
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Abstract
Coronary artery anomalies (CAAs) are a group of congenital conditions characterized by abnormal origin or course of any of the 3 main epicardial coronary arteries. Although CAAs have been identified as a common underlying condition in young athletes with sudden cardiac death, the widespread use of invasive and noninvasive coronary imaging has led to increased recognition of CAAs among adults. CAAS are often discovered as an incidental finding during the diagnostic workup for ischemic heart disease. The clinical correlates and prognostic implication of CAAs remain poorly understood in this context, and guideline-recommended therapeutic choices are supported by a low level of scientific evidence. Several studies have examined whether assessment of CAA-related myocardial ischemia can improve risk stratification in these patients, suggesting that multimodality imaging and functional tests may be key in the management of CAAs. The aim of this review is to outline definitions, classification, and epidemiology of the most relevant CAAs, highlighting recent advances and the potential impact of multimodality evaluation, and to discuss current therapeutic opportunities.
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Affiliation(s)
- Francesco Gentile
- Cardiology Division, Pisa University Hospital, Italy (F.G., V.C., R.D.C.)
| | | | - Raffaele De Caterina
- Cardiology Division, Pisa University Hospital, Italy (F.G., V.C., R.D.C.).,Fondazione Villa Serena per la Ricerca, Città Sant'Angelo, Pescara, Italy (R.D.C.)
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Rabbani NUA, Mansoor K, Ranavaya MI, Mader J, Lester MD. Spontaneous Coronary Artery Dissection of an Anomalous Right Coronary Artery in a Young Male. Cureus 2021; 13:e16924. [PMID: 34513495 PMCID: PMC8418587 DOI: 10.7759/cureus.16924] [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] [Accepted: 08/05/2021] [Indexed: 11/05/2022] Open
Abstract
Spontaneous coronary artery dissection (SCAD) is a tear in the coronary artery layers that presents clinically as an acute coronary syndrome (ACS), ventricular arrhythmias, or sudden cardiac death (SCD). It is uncommon for young healthy males with no comorbid conditions to have SCAD. We report an interesting case of SCAD in an anomalous right coronary artery (RCA) in a young 33-year-old male. The patient presented with episodes of midsternal chest pain and had elevated troponins on laboratory workup. A left heart catheterization revealed anomalous RCA, originating from the left aortic sinus. The left heart catheterization also demonstrated a SCAD of the anomalous RCA. Cardiothoracic surgery was consulted, and the patient had placement of saphenous vein graft to the proximal RCA. While this patient's presentation of ACS in the setting of SCAD is relatively common, it was atypical due to gender and lack of precipitating stressors. One of the risk factors this patient did have was the anomalous RCA arising from the left aortic sinus. There is scarce literature involving guidance for therapeutic intervention for RCA ostial lesion, let alone an anomalous one. Although coronary artery bypass grafting (CABG) remains the most clinically sound decision, in this case, further development of guidelines for RCA lesions would aid in decision-making.
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Affiliation(s)
- Noor Ul Ann Rabbani
- Internal Medicine, Marshall University Joan C. Edwards School of Medicine, Huntington, USA
| | - Kanaan Mansoor
- Cardiology, Marshall University Joan C. Edwards School of Medicine, Huntington, USA
| | | | - Jason Mader
- Cardiology, Marshall University Joan C. Edwards School of Medicine, Huntington, USA
| | - Melissa D Lester
- Cardiology, Marshall University Joan C. Edwards School of Medicine, Huntington, USA
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Abstract
Anomalous origin of right coronary artery with interarterial course (ARCA-IA) is a risk factor for sudden death and other cardiac complications. Surgical correction remains its gold standard treatment. We describe clinical characteristics, workup, surgical techniques and outcomes of ARCA-IA at our center. A retrospective analysis of cardiovascular database was performed. From March 2005 through January 2011, 11 patients with mean age of 53 ± 18 years were diagnosed with ARCA-IA. Reported symptoms included chest pain (64%), arrhythmia [27%; i.e. atrial flutter (9%), recurrent supraventricular tachycardia (9%), ventricular tachycardia (9%)], syncope (18%), dyspnea (9%) and aborted sudden cardiac death (9%). Chest pain (n = 7) was episodic and lasted longer than 6 months before diagnosis. Initial diagnosis was made at coronary computed tomography in two patients and at cardiac catheterization in nine patients. Four patients had positive stress test and were subsequently found to have ARCA-IA at cardiac catheterization. There was no operative mortality. Surgery (bypass with ligation of native vessel or translocation and reimplantation) was performed in seven patients. Three patients refused surgery, and in one patient, surgery was not considered due to comorbidities. Symptom relief was noted in all surgical patients. At mean follow-up of 36 months, two patients had noncardiac-related deaths whereas nine were asymptomatic. There were no deaths reported in patients treated surgically. Definitive surgery is indicated in symptomatic ARCA-IA and is associated with excellent long-term outcome. RCA dominance in ARCA-IA is an adverse marker with increased symptoms; this hypothesis should be tested in larger studies.
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Kashyap JR, Kumar S, Reddy S, Rao K R, Sehrawat O, Kashyap R, Kansal M, Reddy H, Kadiyala V, Uppal L. Prevalence and Pattern of Congenital Coronary Artery Anomalies in Patients Undergoing Coronary Angiography at a Tertiary Care Hospital of Northern India. Cureus 2021; 13:e14399. [PMID: 33981512 PMCID: PMC8108404 DOI: 10.7759/cureus.14399] [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] [Indexed: 11/22/2022] Open
Abstract
Objectives: To evaluate the prevalence and pattern of congenital coronary artery anomalies (CAAs) in the adult population undergoing catheter coronary angiography. Methods: The coronary angiograms done between October 2015 and September 2020 were reviewed for the presence of coronary anomalies based upon Angelini's classification. The medical record of patients with anomalies was reviewed for symptomatology and indication of angiography. Results: CAAs were found in 129 (87 males and 42 females) of 6,258 patients giving a prevalence of 2.06%. The mean age was 57.8 ± 11.8 (range 32-81) years. Among these, the anomalous origin and course of the coronaries were the most common anomaly seen in 81 (1.29%) patients, followed by intrinsic anomalies of the coronary arterial system in 44 (0.7%) patients and anomalies of coronary termination and anomalous anastomotic vessels in 2 (0.03%) patients each. Overall, the absence of the left main trunk with a separate origin of the left anterior descending (LAD) and the circumflex artery was the commonest anomaly seen in 46 (0.74%) patients, followed by dual LAD in 35 (0.56%) patients. The anomalous origin of the right coronary artery (RCA) from the left sinus was seen in 14 patients (0.22%) and that of the circumflex artery from the right sinus or right coronary artery was seen in 11 patients (0.17%). The origin of the left main and RCA from ascending aorta was found in eight (0.13%) patients. One (0.02%) patient had a single coronary artery, and another one (0.02%) had all the three coronary arteries arising from the right sinus; however, with separate ostia. The split RCA was seen in nine (0.14%) patients and there were two (0.03%) patients each of coronary artery fistulae, and of anomalous anastomotic vessels. Conclusions: The prevalence of congenital coronary anomalies in this study was 2.06%. The commonest anomaly was that of origin and courses of the vessels, however, the pattern of anomalies is different from previous studies.
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Affiliation(s)
- Jeet Ram Kashyap
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Suraj Kumar
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Sreenivas Reddy
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Raghavendra Rao K
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Ojasav Sehrawat
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Rashmi Kashyap
- Community Medicine, Dr Yashwant Singh Parmar Government Medical College, Nahan, IND
| | - Maninder Kansal
- General Medicine, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Hithesh Reddy
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Vikas Kadiyala
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
| | - Lipi Uppal
- Cardiology, Government Medical College and Hospital, Chandigarh, Chandigarh, IND
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15
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Regragui H, El Boussaadani B, Benajiba C, Bouhdadi H, Wazaren H, Cherti M. Anomalous origin of right coronary artery with interarterial course revealed by effort angina: case report. Pan Afr Med J 2021; 38:327. [PMID: 34285750 PMCID: PMC8265257 DOI: 10.11604/pamj.2021.38.327.26266] [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: 09/26/2020] [Accepted: 10/30/2020] [Indexed: 11/11/2022] Open
Abstract
Anomalous origin of coronary artery with interarterial course is recognized as a rare congenital heart disease. Its main manifestation is myocardial ischemia related to systolic compression of coronary arteries positioned between the great arteries. We report a case of a middle-aged man admitted in our department for an effort angina during nordic walking. A coronary angiography was performed showing an anomalous coronary artery with a birth defect giving a right common trunk of the circumflex artery and the right coronary artery. We proceeded to a multidetector computed tomography coronary angiography (MDCTCA) to describe this variant of an anomalous coronary arteries which revealed a birth defect in the left anterior sinus of the right coronary and the circumflex artery from a right common trunk passing between the aorta and the trunk of the pulmonary arteries. Magnetic resonance imaging (MRI), exercise stress test and myocardial perfusion scintigraphy were performed in order to objectify an ischemia. Despite the positivity of myocardial scintigraphy, we recommended to our patient to limit exercise with a regular follow-up since he is only symptomatic during a major effort. There are many types of anomalous coronary arteries and the anatomic variant of a right coronary artery that course between the great vessels represents a risk of adverse event and sudden death in young athletes. The choice of therapy is controversial and depends especially on the variant of anomalous coronary artery and the symptoms.
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Affiliation(s)
- Hind Regragui
- Department of Cardiology B, Mohammed V University, Ibn Sina University Hospital Center, Rabat, Morocco
| | - Badre El Boussaadani
- Department of Cardiology B, Mohammed V University, Ibn Sina University Hospital Center, Rabat, Morocco
| | - Chakib Benajiba
- Department of Cardiology B, Mohammed V University, Ibn Sina University Hospital Center, Rabat, Morocco
| | - Hanae Bouhdadi
- Department of Cardiovascular Surgery A, Mohammed V University, Ibn Sina University Hospital Center, Rabat, Morocco
| | - Hicham Wazaren
- Department of Cardiovascular Surgery A, Mohammed V University, Ibn Sina University Hospital Center, Rabat, Morocco
| | - Mohammed Cherti
- Department of Cardiology B, Mohammed V University, Ibn Sina University Hospital Center, Rabat, Morocco
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16
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Blomjous MSH, Budde RPJ, Bekker MWA, Kauling RM, Cuypers JAAE, van den Bosch AE, Roos-Hesselink JW, Hirsch A. Clinical outcome of anomalous coronary artery with interarterial course in adults: Single-center experience combined with a systematic review. Int J Cardiol 2021; 335:32-39. [PMID: 33831507 DOI: 10.1016/j.ijcard.2021.04.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 04/02/2021] [Indexed: 01/24/2023]
Abstract
BACKGROUND Anomalous coronary artery originating from the opposite sinus of Vasalva with interarterial course (ACAOS-IAC) is associated with sudden cardiac death (SCD) in young athletes. If identified in adulthood prognosis is usually more benign, resulting in a dilemma regarding revascularization. METHODS This is a retrospective observational single-center study, including adults with ACAOS-IAC. Medical records between 2012 and 2019 were reviewed for management approach, mortality, cardiac death and coronary related adverse events. Coronary computed tomographic angiography (CCTA) were reviewed. We provide a literature review in regard to clinical outcome. RESULTS We identified 40 patients with ACAOS-IAC (mean age 51). Presentation was acute in 7/40 (18%). Ischemia detection with single photon emission tomography (SPECT), cardiac magnetic resonance (CMR) or dobutamine stress echocardiography were performed in 25/40 (63%) patients. Ischemia in the vascular territory of the anomaly was present in 2/25 (8%). In 39/40 (98%) patients were treated expectative. During median follow-up of 2.7 years (IQR 1.5-5.3) no cardiovascular death was observed. Mortality occurred in 1/40 (3%) and coronary related adverse events in 2/40 (5%). We identified 20 studies describing 1194 patients. Revascularization was performed in 376/1154 (32.6%) patients. Mortality stratified for clinical management was 23/431 (5.3%) in the non-revascularization versus 16/253 (6.3%) in the revascularization group during 4.0 years follow-up (weighted median). Cause of death was cardiovascular in 10/596 (1.7%) in 4.2 years (weighted median) follow up. CONCLUSIONS Both revascularization and non-invasive management have good prognosis in adults with ACAOS-IAC during early follow up. There is need for guidelines and long-term surveillance.
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Affiliation(s)
- Maurits S H Blomjous
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Ricardo P J Budde
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Margreet W A Bekker
- Department of Cardiothoracic Surgery, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Robert M Kauling
- Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Judith A A E Cuypers
- Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Annemien E van den Bosch
- Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Jolien W Roos-Hesselink
- Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - Alexander Hirsch
- Department of Radiology and Nuclear Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands; Department of Cardiology, Thoraxcenter, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands.
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17
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Anomalous origin of coronary artery from the opposite aortic sinus of Valsalva-a single center experience with a therapeutic conundrum. Indian Heart J 2021; 73:289-294. [PMID: 34154744 PMCID: PMC8322793 DOI: 10.1016/j.ihj.2021.03.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/21/2021] [Accepted: 03/23/2021] [Indexed: 11/24/2022] Open
Abstract
Background: Coronary artery anomalies are rare congenital abnormalities, most often found incidentally on conventional coronary angiography and CT angiography (CTA). CTA better delineates the origin and course of anomalous coronaries. Anomalous origin of coronary artery from the opposite aortic sinus of Valsalva (ACAOS) has a prevalence of 1% with a very few having an interarterial (malignant) course. There is limited literature, especially in the Indian population, dealing with this topic. Methods: In this retrospective observational study, angiographic data of 8500 consecutive patients from June 2011 to December 2019 at a large tertiary care hospital in western India was analyzed. Patients diagnosed with ACAOS underwent CTA for delineation of the exact anatomy. Those with a non-malignant course with evidence of ischemia clinically or on stress myocardial perfusion imaging (MPI), underwent PCI. Others with a non-malignant course were medically managed. Patients with malignant (interarterial) course were revascularized by coronary artery bypass graft (CABG) surgery in case of LCA involvement or positive MPI test. Asymptomatic patients with negative MPI were managed medically. Clinical follow-up over 12 months of patients undergoing PCI and those with a malignant course showed no major adverse cardiovascular events (MACE). Results: Of the 8500 patients studied, 74 (0.87%) had ACAOS. Of these, 51 (68.9%) patients had anomalous origin of right coronary artery (RCA) from the left aortic sinus, 21 (28.4%) had anomalous origin of the circumflex artery (Cx) from the right aortic sinus and two patients (2.7%) had an anomalous origin of the left main coronary artery (LCA) from the right aortic sinus. Interarterial course was found in five (6.7%) patients. Of these, four patients underwent CABG-one asymptomatic patient with LCA from right aortic sinus and three with positive MPI in anomalous RCA. All five patients with malignant course and ten patients who underwent PCI were free of MACE over 12 months’ clinical follow up. Conclusions: ACAOS is a rare anomaly and if interarterial course is excluded, then PCI is feasible in selected cases with significant stenosis. Patients with malignant course with inducible ischemia or LCA involvement should undergo surgical revascularisation.
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Das D, Acharya D, Mahanta D, Singh S, Das T, Pramanik S. Anomalous origin of the right coronary artery from the left coronary sinus with medusa head left coronaries: Plethora of left coronary circulation with paucity of right one. Res Cardiovasc Med 2021. [DOI: 10.4103/rcm.rcm_42_21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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19
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Thenmozhi S, Sarojadevi A, Kuppuswamy B, Somasundharam S. Left-sided anomalous origin of the coronary artery from the opposite sinus: Single anomalous left anterior descending artery originating from the right coronary artery – A rare case. JOURNAL OF CLINICAL AND PREVENTIVE CARDIOLOGY 2021. [DOI: 10.4103/jcpc.jcpc_8_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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20
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Myadam R, Grodzinsky A, Thompson R. Longevity in a Patient With Hypertrophic Cardiomyopathy, Anomalous Coronary Artery, and Gastrointestinal Bleeding. Cureus 2020; 12:e9677. [PMID: 32802624 PMCID: PMC7425822 DOI: 10.7759/cureus.9677] [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: 07/30/2020] [Accepted: 08/11/2020] [Indexed: 11/05/2022] Open
Abstract
We report an unusual case of an elderly woman who presented to the hospital with melena of five-day duration. She has a past medical history of hypertrophic cardiomyopathy diagnosed three years before presentation. She was found to have arteriovenous malformations in the stomach and the duodenum, causing gastrointestinal bleeding. An association between hypertrophic cardiomyopathy and arteriovenous malformations in the gastrointestinal tract was felt likely. The patient was treated with beta-blocker therapy. Later, she was incidentally found to have an anomalous right coronary artery. We discussed potential medical and surgical options, and the patient chose to be treated medically. She was successfully treated with beta-blocker therapy with no further gastrointestinal bleeding. Her clinical course was uncomplicated without cardiac arrhythmia, heart failure, or sudden cardiac death.
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Affiliation(s)
- Rahul Myadam
- Internal Medicine, University of Missouri Kansas City, Kansas City, USA
| | - Anna Grodzinsky
- Cardiovascular Disease, Saint Luke's Mid America Heart Institute, Kansas City, USA
| | - Randall Thompson
- Cardiovascular Disease, Saint Luke's Mid America Heart Institute, Kansas City, USA
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21
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Trends and predictors of coronary revascularization in patients with coronary artery anomalies and acute myocardial infarction: a nationwide analysis of 8131 patients. Coron Artery Dis 2020; 31:327-335. [PMID: 31917692 DOI: 10.1097/mca.0000000000000834] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Acute myocardial infarction (AMI) is rarely associated with coronary artery anomalies (CAA). This confluence makes it difficult to identify and treat the culprit lesion with percutaneous coronary intervention (PCI). Our objective was to evaluate trends and predictors of revascularization in patients with CAA and AMI using a large national database. METHODS We included adult patients with CAA presenting as ST segment elevation myocardial infarction (STEMI) or non-ST segment elevation myocardial infarction (NSTEMI) and undergoing coronary angiography from Nationwide Inpatient Sample from 2000 to 2011, using ICD-9 diagnosis code of 746.85 for CAA. Chi-square test for trend was used to compare revascularization rates over time. Multivariate logistic regression was used to identify predictors of revascularization. RESULTS There were almost 4.7 million subjects with AMI undergoing coronary angiography from 2000 to 2011. Of these, there were 8131 patients with CAA, including 3425 STEMI and 4706 NSTEMI patients. Mean age of the CAA population was 59 years with 63.6% males. Overall PCI rate was 47.8% and coronary artery bypass grafting rate was 8.8%. In STEMI patients with CAA, PCI rate increased from 49.9% in 2000 to 77.8% in 2011 (P < 0.001). In NSTEMI patients with CAA, PCI rate remained unchanged from 33.3% in 2000 to 37.3% in 2011 (P = 0.34). Revascularization trends in AMI patients with CAA mirrored those in AMI patients without CAA. CONCLUSION Despite the technical challenges associated with PCI in CAA, PCI rates in STEMI patients with CAA continue to increase over time. On the contrary, PCI rates continue to remain low in CAA patients with NSTEMI, reflecting overall contemporary NSTEMI treatment trends.
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22
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Sidhu NS, Wander GS, Monga A, Kaur A. Incidence, Characteristics and Atherosclerotic Involvement of Coronary Artery Anomalies in Adult Population Undergoing Catheter Coronary Angiography. Cardiol Res 2019; 10:358-368. [PMID: 31803334 PMCID: PMC6879043 DOI: 10.14740/cr941] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 10/03/2019] [Indexed: 12/17/2022] Open
Abstract
Background Coronary artery anomalies (CAAs) are rare disorders of coronary anatomy with varied clinical presentations. There are widespread geographic variations in incidence and patterns of these anomalies, with limited data from North Indian population. We performed a retrospective study to evaluate the incidence, characteristics and atherosclerotic involvement of CAAs in adult population undergoing catheter coronary angiography. Methods Serial coronary angiographies performed at our institution over a period of 2.5 years (from January 2017 to June 2019) were retrospectively analyzed. We identified patients with anomalous coronaries and studied their clinical characteristics and angiographic profiles. Results Among 3,233 coronary angiograms analyzed, CAAs were found in 99 patients with an incidence of 3.06%. Mean age of the patients was 56.2 ± 12.9 years (range: 20 - 86 years), with 74.75% being males and 25.25% females. Split right coronary artery (RCA) was the most common coronary anomaly, being seen in 27 patients; with an angiographic incidence of 0.84%. Dual left anterior descending artery (LAD) was the second most common anomaly and was seen in 22 cases with an angiographic incidence of 0.68%. Absent left main trunk was noted in 14 patients (0.43%). Ectopic origin of RCA from left sinus was seen in 12 patients (0.37%), while ectopic origin of RCA from ascending aorta was seen in four patients (0.12%). Ectopic origin of left circumflex artery (LCX) from right sinus or RCA was noted in 13 patients (0.40%). One patient (0.03%) had a superdominant LAD supplying the posterior descending artery (PDA). Coronary artery fistulae were seen in six patients (0.18%). Significant coronary artery disease (CAD) was seen in 89 of 268 (33.21%) normal vessels, whereas it was seen in 56 of 114 (49.12%) of anomalous vessels. This difference was statistically significant (P = 0.003). Conclusions The incidence of CAAs in our study was slightly higher than many of the previous angiographic series. The patterns of coronary anomalies in our study were different from most of the previous studies. Our study had higher incidence of atherosclerotic involvement of anomalous vessels as compared to normal vessels.
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Affiliation(s)
- Navdeep Singh Sidhu
- Department of Cardiology, GGS Medical College and Hospital, Faridkot, Punjab, India
| | - Gagandeep Singh Wander
- Department of Cardiology, Medanta-the-Medicity, Gurugram, Haryana, India (formerly at Department of Cardiology, GGS Medical College and Hospital, Faridkot, Punjab, India)
| | - Anmol Monga
- Department of Medicine, GGS Medical College and Hospital, Faridkot, Punjab, India
| | - Arashdeep Kaur
- Department of Medicine, GGS Medical College and Hospital, Faridkot, Punjab, India
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23
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Ibraheem WI, Abass OA, Toema AM, Yehia AM. Coronary artery bypass grafting experience in the setting of an anomalous origin of the right coronary artery from the left sinus of Valsalva: Midterm results. J Card Surg 2019; 34:1162-1171. [PMID: 31475409 DOI: 10.1111/jocs.14234] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND An anomalous origin of the right coronary artery (RCA) from the left sinus of Valsalva with an interarterial course is a rare congenital anomaly. We aimed to assess midterm results after coronary artery bypass grafting (CABG) for the treatment of anomalous RCA arising from the left sinus of Valsalva. METHODS From 2008 to 2012, 16 patients underwent CABG for treatment of an anomalous origin of the RCA from the left sinus of Valsalva. Details such as risk factors, operative details, and results of multislice coronary angiography follow-up were assessed. RESULTS The mean age of the patients was 34.8 ± 4.68 years, and most of them were male (15 out of 16, 93.75%). They received a mean of 1.5 ± 0.87 grafts. Closure of the RCA was completed in all patients except one (15 out of 16), who developed ischemic symptoms upon closing the proximal part of the RCA. One in-hospital death occurred. Among the remaining patients, symptoms persisted in 2 out of 15. The mean follow-up time was 63.4 ± 28.6 months. All patients had patent vessels on 5-year follow-up multislice computed tomography scans, except one patient who showed RCA graft occlusion on the 1-year follow-up scan. CONCLUSION The CABG of the RCA with anomalous origin can be done safely with excellent early and midterm results. Proximal RCA ligation is an essential step to the success of CABG, but intraoperative challenge testing is required to confirm the sufficiency of the internal thoracic artery graft to reperfuse the supplied territory.
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Affiliation(s)
- Waleed I Ibraheem
- Department of Cardiothoracic Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Osama A Abass
- Department of Cardiothoracic Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Ahmed M Toema
- Department of Cardiothoracic Surgery, Faculty of Medicine, Helwan University, Helwan, Egypt
| | - Ahmed M Yehia
- Department of Cardiothoracic Surgery, Faculty of Medicine, Helwan University, Helwan, Egypt
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Darki A, Motiwala A, Bakhos L, Lewis BE, Lopez JJ, Steen LH, Mathew V, Leya FS. Technical success and long-term outcomes after anomalous right coronary artery stenting with cardiac computed tomography angiography correlation. Catheter Cardiovasc Interv 2019; 96:320-327. [PMID: 31430026 DOI: 10.1002/ccd.28453] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 07/02/2019] [Accepted: 08/01/2019] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Anomalous origin of coronary arteries has been observed in about 0.35-2.10% of the population. Patients with anomalous right coronary artery (ARCA) may present with significant symptoms, arrhythmias or ACS, and at times sudden death. Traditionally, surgical correction has been the recommended treatment. However, these may be technically challenging, and bypass grafting for such anomalies has the potential for graft failure because of competitive flow. We sought to determine the intermediate and long-term outcomes of drug-eluting stent placement for patients with symptomatic ARCA. We also looked at angiographic findings suggestive of interarterial course as confirmed by subsequent computed tomography (CT) findings. METHODS Between January 2005 and December 2012, we enrolled 11 patients for elective percutaneous coronary intervention (PCI) of ARCA in a single center, prospective, nonrandomized fashion. Patients were followed up in clinic at 1 week, 3 months, 6 months, and 1 year, and then annually or more frequently if needed. All patients underwent a cardiac CT, as well as functional stress testing when needed to assess for recurrence of disease. RESULTS All 11 of our patients, who presented with significant symptomatic stenosis with an ARCA, were successfully treated with PCI. Mean follow-up duration was 8.5 years. The only two deaths during follow-up were related to noncardiac causes (sepsis), with a mortality rate of 18.2%. Two patients had a positive functional study and on subsequent coronary angiography, one of them had significant in-stent restenosis (target lesion revascularization of 9.1%) and one distal to the stent (target vessel revascularization 9.1%). We found the observation of a "slit-like lesion" on angiography to have a sensitivity of 100% and specificity of 86% for the diagnosis of interarterial course of the anomalous vessel seen on subsequent CT. CONCLUSIONS Our study results suggest that PCI of ARCA is an effective and low-risk alternative to surgical correction, with good procedural success and long-term outcomes. It can provide symptomatic relief in such patients and may reduce the risk of sudden death in younger patients, without the inherent risks associated with surgical repair.
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Affiliation(s)
- Amir Darki
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - Afaq Motiwala
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - Lara Bakhos
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - Bruce E Lewis
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - John J Lopez
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - Lowell H Steen
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - Verghese Mathew
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
| | - Ferdinand S Leya
- Department of Cardiology, Loyola University Medical Center, Maywood, Illinois
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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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Rawala MS, Longi AA, Khan AA, Rizvi SI, Rizvi SB. A Case of an Anomalous Right Coronary Artery Arising from the Left Coronary Cusp. Cureus 2019; 11:e4659. [PMID: 31328052 PMCID: PMC6634282 DOI: 10.7759/cureus.4659] [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] [Indexed: 11/05/2022] Open
Abstract
An anomalous origin of the right coronary artery is usually asymptomatic. It is mostly found incidentally on an invasive diagnostic angiogram. It does lead to an increased risk of sudden cardiac death, especially in younger patients. We present a case of a 41-year-old who had presented to the hospital with complaints of chest pain. The patient was evaluated by cardiology who performed an angiography that identified an anomalous origin of the right coronary artery arising from the left coronary cusp but no evidence of coronary artery disease. Once identified, these anomalous vessels should be corrected surgically, as these conditions increase the risk of sudden cardiac death arrhythmia and ischemic events.
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Affiliation(s)
| | - Ahmer A Longi
- Internal Medicine, Aga Khan University Hospital, Karachi, PAK
| | - Arfeen A Khan
- Internal Medicine, Dr. Ziauddin University and Hospital, Karachi, PAK
| | | | - Syed B Rizvi
- Cardiology, Rapides Regional Medical Center, Alexandria, USA
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27
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Oberli LS, Haegeli LM, Heidecker B. Right coronary anomaly in a patient with myocarditis and cardiac arrest: a case report. EUROPEAN HEART JOURNAL-CASE REPORTS 2019; 2:yty044. [PMID: 31020124 PMCID: PMC6177021 DOI: 10.1093/ehjcr/yty044] [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: 12/26/2017] [Accepted: 03/16/2018] [Indexed: 11/12/2022]
Abstract
Introduction Management of coronary anomalies continues to be a controversial topic in medicine, for which only in specific clinical scenarios recommendations for management are clearly defined. We are presenting a previously healthy 18-year-old patient who survived sudden cardiac death (SCD). Multiple potential aetiologies were evaluated, including malignant coronary anomaly, acute myocarditis, potential Brugada type 3 electrocardiographic pattern, and urine drug screening positive for lysergic acid diethylamide (LSD). Case presentation Malignant right coronary anomaly with interarterial course and acute angle takeoff was diagnosed with coronary computed tomography angiography. Signs of acute myocarditis were detected in cardiac magnetic resonance imaging and endomyocardial biopsy. Due to potential Brugada type 3 electrocardiographic pattern flecainide provocation testing was performed to rule out Brugada Syndrome. Confirmatory chromatography revealed that prior LSD drug screening was false positive. Ultimately, the patient underwent cardiothoracic surgery with unroofing of the right coronary artery. Subsequent clinical course was favourable. Discussion Right coronary artery anomalies are more prevalent than left coronary anomalies but less often associated with SCD. Interarterial course and acute angle takeoff are risk factors for unfavourable outcomes. Myocarditis is a potential trigger of arrhythmias and SCD. In patients with Brugada type 2 and 3 electrocardiographic pattern (saddleback ST-segment elevation), provocation testing with flecainide, ajmalin, or procainamide can be used to unmask Brugada type 1 electrocardiographic pattern. Due to the proarrythmic potential of many recreational drugs, screening for these substances can be useful in young adults presenting after cardiac arrest; cross-reaction of substances as in our patient have to be considered.
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Affiliation(s)
- Lisa S Oberli
- University Hospital Zurich, Rämistrasse 100, Zurich, Switzerland
| | - Laurent M Haegeli
- University Hospital Zurich, Rämistrasse 100, Zurich, Switzerland.,Division of Cardiology, Kantonsspital Aarau, Tellstrasse 25, Aarau, Switzerland
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Silva A, Baptista MJ, Araújo E. Congenital coronary artery anomalies. REVISTA PORTUGUESA DE CARDIOLOGIA (ENGLISH EDITION) 2018. [DOI: 10.1016/j.repce.2017.09.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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Silva A, Baptista MJ, Araújo E. Congenital anomalies of the coronary arteries. Rev Port Cardiol 2018; 37:341-350. [PMID: 29496389 DOI: 10.1016/j.repc.2017.09.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 07/05/2017] [Accepted: 09/24/2017] [Indexed: 02/07/2023] Open
Abstract
Congenital coronary artery anomalies are modifications of their origin, course or structure and its incidence varies between 0,2 and 5,6% of the general population. Although the majority is asymptomatic, they are the second leading cause of sudden cardiac death in young athletes. The aim of this study is to highlight the main anomalies with hemodynamic significance, including the anomalous origin of a coronary artery from the opposite sinus and anomalous origin of the left coronary artery from pulmonary artery. The anomalous aortic origin of a coronary artery from the opposite sinus accounts for 14-16% of all cardiac deaths, that unexpectedly occur in healthy children or young athletes during or immediately after exercise. The mechanism responsible for the compression/occlusion of the coronary artery originating from the opposite sinus is still unclear and there are several proposed mechanisms. The clinical presentation of these patients is variable and physical examination is normal in most individuals. Transthoracic echocardiogram is the diagnostic test most commonly used. Treatment and management are controversial topic. The anomalous origin of the left coronary artery from pulmonary artery is a very rare condition and without surgery, most infants die within the first 12 months of life. The echocardiogram is also the method of choice for diagnostic confirmation. The diagnosis of this congenital anomaly in an infant, usually seriously ill, is an indication for urgent surgery. Because these anomalies produce hemodynamic changes, it is important an early diagnosis and treatment.
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Affiliation(s)
- Andrea Silva
- Faculdade de Medicina da Universidade do Porto, Portugal.
| | - Maria João Baptista
- Serviço da Cardiologia Pediátrica, Centro Hospital São João, Porto, Portugal; Departamento de Pediatria, Faculdade de Medicina da Universidade do Porto, Porto, Portugal
| | - Emanuel Araújo
- Serviço de Medicina Interna, Centro Hospitalar São João, Porto, Portugal
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Aksu U, Gulcu O, Bilgi Z, Topcu S, Sevimli S, Bayram E, Tanboğa IH. The association of the Syntax score II with carotid intima media thickness and epicardial fat tissue. Indian Heart J 2017; 69:752-756. [PMID: 29174253 PMCID: PMC5717280 DOI: 10.1016/j.ihj.2017.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 03/20/2017] [Accepted: 04/12/2017] [Indexed: 12/18/2022] Open
Abstract
AIM Syntax score II (SSII) is a highly predictive scoring system, which is used to improve individualized assessment of patients with complex coronary artery disease and facilitates clinical decision making. Surrogate markers [carotid intima-media thickness (CIMT), epicardial fat tissue (EFT)] are also used for risk assessment, but their relation with SSII is not well established. METHOD We enrolled 543 consecutive patients, who underwent coronary angiography for stable angina pectoris and acute coronary syndrome, in the study. SSII was calculated for each patient and the patients were divided into two groups as low SSII group and high SSII group according to their median SSII. RESULTS The average age of the patients was 61.4 years and 75% of the patients were male. The multivariate analysis indicated that only EFT (p: 0,035), CIMT (p:0,04) and Hypertension (HT) (p: 0,014) were independently associated with high SSII. DISCUSSION EFT and CIMT, the surrogate markers which can be simply and non-invasively determined, are of the independent predictors of high SSII. The inclusion of these parameters in the risk classification may provide additional clinical benefit.
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Affiliation(s)
- Uğur Aksu
- Kars State Hospital, Department of Cardiology, Kars, Turkey.
| | - Oktay Gulcu
- Ataturk University Medical School, Department of Cardiology, Erzurum, Turkey
| | - Zeynep Bilgi
- Kars State Hospital, Department of Thoracic Surgery, Kars, Turkey
| | - Selim Topcu
- Ataturk University Medical School, Department of Cardiology, Erzurum, Turkey
| | - Serdar Sevimli
- Ataturk University Medical School, Department of Cardiology, Erzurum, Turkey
| | - Ednan Bayram
- Ataturk University Medical School, Department of Cardiology, Erzurum, Turkey
| | - Ibrahim Halil Tanboğa
- Ataturk University Medical School, Department of Cardiology, Erzurum, Turkey; Ataturk University Medical School, Department of Biostatistics, Erzurum, Turkey
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Sarfaraz ZK, Siddiqi MS, Al-Kindi AH, Alameddine T. Anomalous Origin of the Right Coronary Artery from the Left Coronary Sinus: Case report. Sultan Qaboos Univ Med J 2017; 17:e352-e354. [PMID: 29062562 DOI: 10.18295/squmj.2017.17.03.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Accepted: 04/13/2017] [Indexed: 11/16/2022] Open
Abstract
The anomalous origin of the right coronary artery from the left coronary sinus is a rare congenital disorder and can often result in sudden death upon initial presentation. We report a 19-year-old male patient who was referred to the Sultan Qaboos University Hospital, Muscat, Oman, in 2015 with multiple episodes of exertional angina. He was diagnosed as having an anomalous right coronary artery arising from the left coronary sinus following an intraoperative transesophageal echocardiogram. An unroofing ostioplasty of the anomalous right coronary artery was successful. Details of the surgical management of this anomaly are discussed.
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Affiliation(s)
- Ziyab K Sarfaraz
- General Surgery Residency Programme, Oman Medical Speciality Board, Muscat, Oman
| | | | - Adil H Al-Kindi
- Department of Surgery, Sultan Qaboos University Hospital, Muscat, Oman
| | - Tarek Alameddine
- Department of Surgery, Sultan Qaboos University Hospital, Muscat, Oman
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Cheezum MK, Liberthson RR, Shah NR, Villines TC, O'Gara PT, Landzberg MJ, Blankstein R. Anomalous Aortic Origin of a Coronary Artery From the Inappropriate Sinus of Valsalva. J Am Coll Cardiol 2017; 69:1592-1608. [PMID: 28335843 DOI: 10.1016/j.jacc.2017.01.031] [Citation(s) in RCA: 223] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 12/05/2016] [Accepted: 01/03/2017] [Indexed: 02/07/2023]
Abstract
Anomalous aortic origin of a coronary artery (AAOCA) from the inappropriate sinus of Valsalva is increasingly recognized by cardiac imaging. Although most AAOCA subtypes are benign, autopsy studies report an associated risk of sudden death with interarterial anomalous left coronary artery (ALCA) and anomalous right coronary artery (ARCA). Despite efforts to identify high-risk ALCA and ARCA patients who may benefit from surgical repair, debate remains regarding their classification, prevalence, risk stratification, and management. We comprehensively reviewed 77 studies reporting the prevalence of AAOCA among >1 million patients, and 20 studies examining outcomes of interarterial ALCA/ARCA patients. Observational data suggests that interarterial ALCA is rare (weighted prevalence = 0.03%; 95% confidence interval [CI]: 0.01% to 0.04%) compared with interarterial ARCA (weighted prevalence = 0.23%; 95% CI: 0.17% to 0.31%). Recognizing the challenges in managing these patients, we review cardiac tests used to examine AAOCA and knowledge gaps in management.
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Affiliation(s)
- Michael K Cheezum
- Departments of Medicine and Radiology, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts; Department of Medicine, Cardiology Service, Fort Belvoir Community Hospital, Ft. Belvoir, Virginia.
| | - Richard R Liberthson
- Department of Medicine, Division of Cardiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Nishant R Shah
- Lifespan Cardiovascular Institute, Division of Cardiovascular Medicine, Department of Medicine, Brown University Alpert School of Medicine, Providence, Rhode Island
| | - Todd C Villines
- Department of Medicine, Cardiology Service, Walter Reed National Military Medical Center, Bethesda Maryland
| | - Patrick T O'Gara
- Departments of Medicine and Radiology, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | | | - Ron Blankstein
- Departments of Medicine and Radiology, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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33
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Brothers JA, Frommelt MA, Jaquiss RD, Myerburg RJ, Fraser CD, Tweddell JS. Expert consensus guidelines: Anomalous aortic origin of a coronary artery. J Thorac Cardiovasc Surg 2017; 153:1440-1457. [DOI: 10.1016/j.jtcvs.2016.06.066] [Citation(s) in RCA: 113] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 06/27/2016] [Accepted: 06/29/2016] [Indexed: 02/06/2023]
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34
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Smettei OA, Sayed S, Abazid RM. The prevalence of coronary artery anomalies in Qassim Province detected by cardiac computed tomography angiography. J Saudi Heart Assoc 2017; 29:84-89. [PMID: 28373781 PMCID: PMC5366662 DOI: 10.1016/j.jsha.2016.07.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2016] [Revised: 07/22/2016] [Accepted: 07/27/2016] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Coronary artery anomalies (CAAs) affect about 1% of the general population based on invasive coronary angiography (ICA) data, computed tomography angiography (CTA) enables better visualization of the origin, course, relation to the adjacent structures, and termination of CAAs compared to ICA. OBJECTIVE The aim of our work is to estimate the frequency of CAAs in Qassim province among patients underwent cardiac CTA at Prince Sultan Cardiac Center. METHODS Retrospective analysis of the CTA data of 2235 patients between 2009 and 2015. RESULTS The prevalence of CAAs in our study was 1.029%. Among the 2235 patients, 241 (10.78%) had CAAs or coronary variants, 198 (8.85%) had myocardial bridging, 34 (1.52%) had a variable location of the Coronary Ostia, Twenty two (0.98%) had a separate origin of left anterior descending (LAD) and left circumflex coronary (LCX) arteries, ten (0.447%) had a separate origin of the RCA and the Conus artery. Seventeen (0.76%) had an anomalous origin of the coronaries. Six (0.268%) had a coronary artery fistula, which is connected mainly to the right heart chambers, one of these fistulas was complicated by acute myocardial infarction. CONCLUSIONS The incidence of CAAs in our patient population was similar to the former studies, CTA is an excellent tool for diagnosis and guiding the management of the CAAs.
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Affiliation(s)
- Osama A. Smettei
- Department of Cardiology, Cardiac Imaging Department, Prince Sultan Cardiac Center Al-Qassim, Buraydah, aSaudi Arabia
- Corresponding author at: Department of Cardiology, Prince Sultan Cardiac Center-Qassim, Postal code 2290 Buraydah, Al-Qassim Province, Saudi Arabia.Department of CardiologyPrince Sultan Cardiac Center-QassimPostal code 2290 BuraydahAl-Qassim ProvinceSaudi Arabia
| | - Sawsan Sayed
- Department of Cardiology, Cardiac Imaging Department, Prince Sultan Cardiac Center Al-Qassim, Buraydah, aSaudi Arabia
| | - Rami M. Abazid
- Department of Cardiology, Cardiac Imaging Department, Prince Sultan Cardiac Center Al-Qassim, Buraydah, aSaudi Arabia
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Gräni C, Benz DC, Steffen DA, Clerc OF, Schmied C, Possner M, Vontobel J, Mikulicic F, Gebhard C, Pazhenkottil AP, Gaemperli O, Hurwitz S, Kaufmann PA, Buechel RR. Outcome in middle-aged individuals with anomalous origin of the coronary artery from the opposite sinus: a matched cohort study. Eur Heart J 2017; 38:2009-2016. [DOI: 10.1093/eurheartj/ehx046] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 01/24/2017] [Indexed: 01/09/2023] Open
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AlQuadan OF, AlSmady MM, Saleh SS, Aqel RA, Al-Antary ET. Saphenous vein patch for correction of anomalous origin of the right coronary artery from the left main coronary artery. J Surg Case Rep 2017; 2017:rjw221. [PMID: 28096325 PMCID: PMC5241890 DOI: 10.1093/jscr/rjw221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Anomalous origin of the coronary arteries is a rare congenital heart defect that may lead to disturbed life style, myocardial infarction and sudden death. This report describes a young lady with the right coronary artery arising from the left main coronary artery, which was confirmed by coronary angiography and corrected surgically using saphenous vein patch.
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Affiliation(s)
| | - Moaath M AlSmady
- Department of Cardiothoracic Surgery, University of Jordan Hospital, The University of Jordan, Amman11942, Jordan
| | - Suhayl S Saleh
- Department of Cardiothoracic Surgery, University of Jordan Hospital, The University of Jordan, Amman11942, Jordan
| | - Raed A Aqel
- Department of Cardiothoracic Surgery, University of Jordan Hospital, The University of Jordan, Amman11942, Jordan
| | - Eman T Al-Antary
- Wayne State University, Children's Hospital of Michigan, Detroit, MI, USA
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Mosca RS, Phoon CKL. Anomalous Aortic Origin of a Coronary Artery Is Not Always a Surgical Disease. Semin Thorac Cardiovasc Surg Pediatr Card Surg Annu 2017; 19:30-6. [PMID: 27060040 DOI: 10.1053/j.pcsu.2015.12.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 12/02/2015] [Accepted: 12/02/2015] [Indexed: 11/11/2022]
Abstract
Anomalous aortic origin of the coronary artery (AAOCA) from the opposite sinus of Valsalva with an interarterial course has become a high-profile lesion as a result of its association with sudden cardiac death in otherwise young and healthy individuals. Despite our incomplete knowledge of its pathophysiology and natural history, surgical intervention is often recommended. Evidence now shows AAOCA to be relatively common, with lower than previously suspected rates of sudden cardiac death. Analysis of this information reveals that AAOCA is not always a surgical disease. Future multi-institutional studies will continue to define those subgroups best served by observation or surgery.
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Affiliation(s)
- Ralph S Mosca
- George E. Reed Professor of Cardiac Surgery Vice Chairman, Clinical Affairs, Chief, Division of Congenital Cardiac Surgery, NYU Langone Medical Center, New York, NY
| | - Colin K L Phoon
- Division of Pediatric Cardiology, NYU Langone Medical Center, New York, NY.
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Rosseel L, Bonnier H, Sonck J. Anomalous right coronary artery in a middle-aged patient: A case report and review of the literature. Medicine (Baltimore) 2016; 95:e5508. [PMID: 27930539 PMCID: PMC5266011 DOI: 10.1097/md.0000000000005508] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND An anomalous right coronary artery originating from the left sinus of Valsalva is a rare, but often incidental, finding in middle-aged to elderly people. Prevalence is difficult to define, as well as determining potential harmful hemodynamic consequences. Moreover, the optimal treatment remains debatable. CASE SUMMARY The authors present a case of a middle-aged patient diagnosed with an anomalous right coronary artery causing ischemia, who was treated surgically. CONCLUSION By reviewing literature, the authors conclude that choice of treatment depends on age, symptoms, and certain anatomic features of this anomaly. However, there are no randomized trials available in this field.
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Anomalous origin of RCA from left coronary sinus presenting as PSVT and recurrent acute coronary syndromes. Indian Heart J 2016; 68:208-10. [PMID: 27133342 PMCID: PMC4867971 DOI: 10.1016/j.ihj.2016.01.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Accepted: 01/24/2016] [Indexed: 11/23/2022] Open
Abstract
Anomalous origin of the right coronary artery from the left sinus of Valsalva and coursing between the aorta and pulmonary artery is a rare congenital abnormality representing less than 3% of the congenital coronary anomalies. Patients can present with myocardial ischemia, arrhythmias, or sudden cardiac death (SCD). This diagnosis should be suspected in young patients without risk factors for coronary artery disease and the diagnosis can be confirmed easily by 64-slice MDCT angiography. Surgery is generally recommended in symptomatic patients whereas conservative management in asymptomatic patients. Incidence of SCD is rare after the age of 35 years and hence conservative treatment may be advised in asymptomatic patients over the age of 35 years.
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Keir M, Wald RM, Roche SL, Oechslin EN, Horlick E, Osten MD, Benson LN, Hickey EJ, Crean AM. Does a dedicated subspecialty ACHD coronary clinic result in greater consistency in approach and reduced loss to follow-up? An evaluation of the first 3years of the Toronto Congenital Coronary Clinic for Adults. PROGRESS IN PEDIATRIC CARDIOLOGY 2015. [DOI: 10.1016/j.ppedcard.2015.10.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lee SE, Yu CW, Park K, Park KW, Suh JW, Cho YS, Youn TJ, Chae IH, Choi DJ, Jang HJ, Park JS, Na SH, Kim HS, Kim KB, Koo BK. Physiological and clinical relevance of anomalous right coronary artery originating from left sinus of Valsalva in adults. Heart 2015; 102:114-9. [DOI: 10.1136/heartjnl-2015-308488] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 10/14/2015] [Indexed: 11/03/2022] Open
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Prevalence and characteristics of coronary artery anomalies in an adult population undergoing multidetector-row computed tomography for the evaluation of coronary artery disease. BMC Cardiovasc Disord 2015; 15:112. [PMID: 26431696 PMCID: PMC4592552 DOI: 10.1186/s12872-015-0098-x] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 09/18/2015] [Indexed: 11/25/2022] Open
Abstract
Background Congenital coronary anomalies are uncommon with an incidence ranging from 0.17 % in autopsy cases to 1.2 % in angiographically evaluated cases. The recent development of ECG–gated multi–detector row computed tomography (MDCT) coronary angiography allows accurate and noninvasive depiction of coronary artery anomalies. Methods This retrospective study included 2572 patients who underwent coronary 64-slice MDCT coronary angiography from January 2008 to March 2012. Coronary angiographic scans were obtained with injection of 80 ml nonionic contrast medium. Retrospective gating technique was used to synchronize data reconstruction with the ECG signal. Maximum intensity projection, multi-planar reformatted, and volume rendering images were derived from axial scans. Results Of the 2572 patients, sixty (2.33 %) were diagnosed with coronary artery anomalies (CAAs), with a mean age of 53.6 ± 11.8 years (range 29–80 years). High take-off of the RCA was seen in 16 patients (0.62 %), of the left main coronary artery (LMCA) in 2 patients (0.08 %) and both of them in 2 patients (0.08 %). Separate origin of the left anterior descending artery (LAD) and left circumflex artery (LCx) from left sinus of Valsalva (LSV) was found in 15 patients (an incidence of 0.58 %). In 9 patients (0.35 %) the right coronary artery (RCA) arose from the opposite sinus of Valsalva with a separate ostium. In 6 patients (0.23 %) an abnormal origin of LCX from the right sinus of Valsalva (RSV) was found with a further posterior course within the atrioventricular groove. A single coronary artery was seen in 3 patients (0.12 %). It originated from the right sinus of Valsalva in one patient and from LSV in two patients. In two other patients (0.08 %) the left coronary trunk originated from the RSV with separate ostium from the RCA. LCA originating from the pulmonary artery was found in one patient (0.04 %). A coronary artery fistula, which is a termination anomaly, was detected in 4 patients (0.15 %). Discussion Although these anomalies, which are remarkably different from the normal structure, exist as early as birth, they are incidentally encountered during selective angiography or at autopsy. The incidence in reported angiographic series ranges from 0.6 % to 1.3 %. Variations in the frequency of primary congenital coronary anomalies may possibly have a genetic background. The largest angiographic series of 126595 patients, by Yamanaka and Hobbs, reported a 1.3 % incidence of anomalous coronary artery. Conclusion The results of this study support the use MDCT coronary angiography as a safe and effective noninvasive imaging modality for defining CAAs in an appropriate clinical setting, providing detailed three-dimensional anatomic information that may be difficult to obtain with invasive angiography.
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Wilson RF. Coronary Angiography. Coron Artery Dis 2015. [DOI: 10.1007/978-1-4471-2828-1_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Imori Y, Murakami M, Tanaka M, Saito S. Anomalous origin of the right coronary artery with concomitant myxomatous mitral valve disease: a rare coexistence. BMJ Case Rep 2014; 2014:bcr-2014-206351. [PMID: 25342190 DOI: 10.1136/bcr-2014-206351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
A 45-year-old man previously diagnosed with myxomatous mitral valve disease was admitted to our hospital with chest pain at rest and on effort. Contrast-enhanced CT revealed that the patient's right coronary artery originated from the left sinus Valsalva, which was compressed between the aortic and pulmonary roots. This anatomical abnormality can be associated with sudden death, syncope and chest pain. Ultrasonography showed mitral valve prolapse with severe regurgitation. Surgical repair was performed, which included coronary artery bypass graft and mitral valvoplasty with tricuspid annuloplasty. The postoperative course was uneventful and the patient remains asymptomatic. This is the first description of the coexistence of an anomalous origin of the right coronary artery with myxomatous mitral valve disease.
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Affiliation(s)
- Yoichi Imori
- Department of Cardiovascular Medicine, Shonan Kamakura General Hospital, Kanagawa, Japan
| | - Masato Murakami
- Department of Cardiovascular Medicine, Shonan Kamakura General Hospital, Kanagawa, Japan
| | - Masashi Tanaka
- Department of Cardiovascular Medicine, Shonan Kamakura General Hospital, Kanagawa, Japan
| | - Shigeru Saito
- Department of Cardiovascular Medicine, Shonan Kamakura General Hospital, Kanagawa, Japan
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Abstract
Anomalous origin of a coronary artery from the aorta is a potentially serious anomaly that occurs in about 0.1-0.2% of the population. This percentage is small; however, it translates into about 4000 annual births with these anomalies. The clinical presentation of these anomalies is rare, and hence most are and will remain asymptomatic. The various anatomic anomalies are described, with anomalous origin of the left coronary artery that then passes between the aorta and pulmonary artery being the most serious of these anomalies. The pathophysiology resulting from these anomalies is described, as are methods for identifying those who require treatment; however, we still do not know the best methods of determining which patients need treatment.
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Ishisone T, Satoh M, Okabayashi H, Nakamura M. Usefulness of multidetector CT angiography for anomalous origin of coronary artery. BMJ Case Rep 2014; 2014:bcr-2014-205180. [PMID: 25150237 DOI: 10.1136/bcr-2014-205180] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A 17-year-old man underwent clinical evaluation of exercise-induced syncope. Routine exercise stress test did not show any myocardial ischaemic changes or arrhythmias on the ECG recording. However, multidetector CT (MDCT) angiography of the coronary arteries revealed an abnormal origin of the left coronary artery from the right coronary sinus. The participants' symptoms were diagnosed as cardiogenic syncope possibly due to transient stenosis of the left main coronary artery caught between the functionally distended aortic root and the pulmonary trunk during exercise. After successful patch coronary angioplasty, his symptoms disappeared completely even during a similar degree of strenuous exercise. It is important for clinicians not to overlook possible coronary artery anomalies during management of patients with exercise-induced syncope. MDCT coronary angiography may be a useful and non-invasive tool to establish diagnosis and a surgical approach to rectify congenital coronary artery anomalies.
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Affiliation(s)
| | - Mamoru Satoh
- Iwate Medical University School of Medicine, Morioka, Japan
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Coronary Artery Anomalies: Current Recognition and Treatment Strategies. Update on Recent Progress. CURRENT CARDIOVASCULAR RISK REPORTS 2014. [DOI: 10.1007/s12170-014-0395-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Namgung J, Kim JA. The prevalence of coronary anomalies in a single center of Korea: origination, course, and termination anomalies of aberrant coronary arteries detected by ECG-gated cardiac MDCT. BMC Cardiovasc Disord 2014; 14:48. [PMID: 24725604 PMCID: PMC3991863 DOI: 10.1186/1471-2261-14-48] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Accepted: 04/08/2014] [Indexed: 11/10/2022] Open
Abstract
Background Coronary anomalies are rare congenital abnormalities often found incidentally on conventional coronary angiography (CCA) or coronary CT angiography (CTA). They may result in various clinical outcomes. CCA is invasive and not able to demonstrate all coronary anomalies in detail, especially those with complex courses. Multidetector computed tomography (MDCT) enables visualization of the origin and course of coronary arteries. The objective of this study was to investigate the prevalence of origin and termination coronary artery anomalies and the course of these anomalies in patients in a single center in Korea. Methods To diagnose coronary anomalies, the angiographic data of 8,864 consecutive patients undergoing 64- or 320-MDCT from September 2005 to November 2011 were analyzed retrospectively. Results Among the 8,864 patients, 103 (1.16%) had coronary anomalies. Ninety (87.4%) patients had origin and distribution anomalies, and 13 (12.6%) patients had a coronary artery fistula. The most common anomaly (41, 39.8%) was an anomalous origin of the right coronary artery (RCA). Of these, three patients received a coronary artery bypass graft. Conclusions The prevalence of coronary anomalies in a single center of Korea was 1.16%. The incidence and patterns of coronary artery anomalies in our patient population were similar to those of previous studies.
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Affiliation(s)
- June Namgung
- Division of Cardiology, Department of Internal Medicine, Vision 21 Cardiac & Vascular Center, Ilsan Paik Hospital, Inje University College of Medicine, Goyang, 170 Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do 411-706, Republic of Korea.
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Heo W, Min HK, Kang DK, Jun HJ, Hwang YH, Lee HC. Three different situations and approaches in the management for anomalous origin of the right coronary artery from the left coronary sinus: case report. J Cardiothorac Surg 2014; 9:21. [PMID: 24450442 PMCID: PMC3902410 DOI: 10.1186/1749-8090-9-21] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Accepted: 11/25/2013] [Indexed: 01/16/2023] Open
Abstract
Anomalous origin of the right coronary artery from the left coronary sinus is rare but potentially dangerous if any ischemic signs are present. Multiple therapeutic options were advocated so far. We experienced three different situations and surgical approaches to these anomalies, and reviewed retrospectively. For the first case, we made a neo-ostium on the right sinus of Valsalva and anastomosed with the right coronary artery after arteriotomy. For the second and third cases, we applied coronary artery bypasses emergently: patient 2 the gastroepiploic artery during off-pump coronary artery bypass and patient 3 the left internal thoracic artery during surgery for acute aortic dissection. For the better outcomes, it is important to understand anatomic and hemodynamic characteristics of each patient and select the surgical options considering each characteristic.
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Affiliation(s)
| | - Ho-Ki Min
- Department of Thoracic and Cardiovascular Surgery, Haeundae Paik Hospital, Inje University College of Medicine, 875 (Jwadong) Haeundae-ro, Haeundaegu, Busan 612-030, Korea.
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Single coronary artery originating from the right aortic sinus without a left anterior descending and circumflex artery in conventional swine. Lab Anim Res 2014; 29:226-8. [PMID: 24396388 PMCID: PMC3879342 DOI: 10.5625/lar.2013.29.4.226] [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: 07/25/2013] [Revised: 11/02/2013] [Accepted: 11/23/2013] [Indexed: 12/04/2022] Open
Abstract
Single coronary artery is a rare coronary artery anomaly. Very few previous reports of this anatomical malformation in swine have been found. A 22 kg Yorkshire X Landrace F1 crossbred castrated male swine was presented for enrollment in a coronary stent implantion study. Coronary angiography revealed a single coronary artery arising from the right aortic sinus. The right coronary artery and anomalous left coronary artery were implanted with novel coronary stents without any side effects.
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