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Yaker ZS, Lincoff AM, Cho L, Ellis SG, Ziada KM, Zieminski JJ, Gulati R, Gersh BJ, Holmes D, Raphael CE. Coronary spasm and vasomotor dysfunction as a cause of MINOCA. EUROINTERVENTION 2024; 20:e123-e134. [PMID: 38224252 PMCID: PMC10786177 DOI: 10.4244/eij-d-23-00448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 10/15/2023] [Indexed: 01/16/2024]
Abstract
Increasing evidence has shown that coronary spasm and vasomotor dysfunction may be the underlying cause in more than half of myocardial infarctions with non-obstructive coronary arteries (MINOCA) as well as an important cause of chronic chest pain in the outpatient setting. We review the contemporary understanding of coronary spasm and related vasomotor dysfunction of the coronary arteries, the pathophysiology and prognosis, and current and emerging approaches to diagnosis and evidence-based treatment.
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Affiliation(s)
- Zachary S Yaker
- Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - A Michael Lincoff
- Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Leslie Cho
- Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Stephen G Ellis
- Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Khaled M Ziada
- Department of Cardiovascular Medicine, Cleveland Clinic Foundation, Cleveland, OH, USA
| | | | - Rajiv Gulati
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Bernard J Gersh
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - David Holmes
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
| | - Claire E Raphael
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA
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2
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Fan Y, Li C, Hu Y, Hu X, Wang S, He J, Leng X, Xiang J, Lu Z. Angiography-based index of microcirculatory resistance (AccuIMR) for the assessment of microvascular dysfunction in acute coronary syndrome and chronic coronary syndrome. Quant Imaging Med Surg 2023; 13:3556-3568. [PMID: 37284070 PMCID: PMC10240038 DOI: 10.21037/qims-22-961] [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: 09/13/2022] [Accepted: 03/27/2023] [Indexed: 06/08/2023]
Abstract
Background To assess the diagnostic accuracy of AccuIMR, a newly proposed, pressure wire-free index, in identifying coronary microvascular dysfunction (CMD) among patients with acute coronary syndrome [including ST-segment elevation myocardial infarction (STEMI) and non-ST-segment elevation myocardial infarction (NSTEMI)] and chronic coronary syndrome (CCS). Methods A total of 163 consecutive patients (43 with STEMI, 59 with NSTEMI, and 61 with CCS), who underwent invasive coronary angiography (ICA) and for whom the index of microcirculatory resistance (IMR) was measured, were retrospectively enrolled at a single center. IMR measurements were made in 232 vessels. The AccuIMR based on computational fluid dynamics (CFD) was calculated from coronary angiography. The diagnostic performance of AccuIMR was assessed using wire-based IMR as a reference standard. Results AccuIMR correlated well with IMR (overall r=0.76, P<0.001; STEMI r=0.78, P<0.001; NSTEMI r=0.78, P<0.001; CCS r=0.75, P<0.001) and had good diagnostic performance in detecting abnormal IMR [overall diagnostic accuracy, sensitivity, and specificity were 94.83% (91.14% to 97.30%), 92.11% (78.62% to 98.34%), and 95.36% (91.38% to 97.86%), respectively]. Using a cutoff value of IMR >40 U for AccuIMR in STEMI and IMR >25 U in NSTEMI and CCS, the area under the receiver operating characteristic (ROC) curve (AUC) of AccuIMR for predicting abnormal IMR value was 0.917 (0.874 to 0.949) in all patients, 1.000 (0.937 to 1.000) in patients with STEMI, 0.941 (0.867 to 0.980) in patients with NSTEMI, and 0.918 (0.841 to 0.966) in patients with CCS. Conclusions The use of AccuIMR in the evaluation of microvascular diseases could provide valuable information and potentially increase the application of physiological assessment for microcirculation in patients with ischemic heart disease.
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Affiliation(s)
- Yongzhen Fan
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Chenguang Li
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yumeng Hu
- ArteryFlow Technology Co., Ltd., Hangzhou, China
| | - Xiaorong Hu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
| | - Shuang Wang
- Department of Cardiovascular Ultrasound, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jingsong He
- ArteryFlow Technology Co., Ltd., Hangzhou, China
| | | | | | - Zhibing Lu
- Department of Cardiology, Zhongnan Hospital of Wuhan University, Wuhan, China
- Institute of Myocardial Injury and Repair, Wuhan University, Wuhan, China
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Fu B, Wei X, Lin Y, Chen J, Yu D. Pathophysiologic Basis and Diagnostic Approaches for Ischemia With Non-obstructive Coronary Arteries: A Literature Review. Front Cardiovasc Med 2022; 9:731059. [PMID: 35369287 PMCID: PMC8968033 DOI: 10.3389/fcvm.2022.731059] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 01/31/2022] [Indexed: 02/05/2023] Open
Abstract
Ischemia with non-obstructive coronary arteries (INOCA) has gained increasing attention due to its high prevalence, atypical clinical presentations, difficult diagnostic procedures, and poor prognosis. There are two endotypes of INOCA-one is coronary microvascular dysfunction and the other is vasospastic angina. Diagnosis of INOCA lies in evaluating coronary flow reserve, microcirculatory resistance, and vasoreactivity, which is usually obtained via invasive coronary interventional techniques. Non-invasive diagnostic approaches such as echocardiography, single-photon emission computed tomography, cardiac positron emission tomography, and cardiac magnetic resonance imaging are also valuable for assessing coronary blood flow. Some new techniques (e.g., continuous thermodilution and angiography-derived quantitative flow reserve) have been investigated to assist the diagnosis of INOCA. In this review, we aimed to discuss the pathophysiologic basis and contemporary and novel diagnostic approaches for INOCA, to construct a better understanding of INOCA evaluation.
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Affiliation(s)
- Bingqi Fu
- Shantou University Medical College, Shantou, China
- Division of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Xuebiao Wei
- Division of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Division of Geriatric Intensive Medicine, Guangdong Provincial Geriatrics Institute, Guangdong Provincial People Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yingwen Lin
- Shantou University Medical College, Shantou, China
- Division of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Jiyan Chen
- Division of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Danqing Yu
- Division of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
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Godo S, Takahashi J, Yasuda S, Shimokawa H. Endothelium in Coronary Macrovascular and Microvascular Diseases. J Cardiovasc Pharmacol 2021; 78:S19-S29. [PMID: 34840261 PMCID: PMC8647695 DOI: 10.1097/fjc.0000000000001089] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Accepted: 06/05/2021] [Indexed: 01/09/2023]
Abstract
ABSTRACT The endothelium plays a pivotal role in the regulation of vascular tone by synthesizing and liberating endothelium-derived relaxing factors inclusive of vasodilator prostaglandins (eg, prostacyclin), nitric oxide (NO), and endothelium-dependent hyperpolarization factors in a distinct blood vessel size-dependent manner. Large conduit arteries are predominantly regulated by NO and small resistance arteries by endothelium-dependent hyperpolarization factors. Accumulating evidence over the past few decades has demonstrated that endothelial dysfunction and coronary vasomotion abnormalities play crucial roles in the pathogenesis of various cardiovascular diseases. Structural and functional alterations of the coronary microvasculature have been coined as coronary microvascular dysfunction (CMD), which is highly prevalent and associated with adverse clinical outcomes in many clinical settings. The major mechanisms of coronary vasomotion abnormalities include enhanced coronary vasoconstrictive reactivity at epicardial and microvascular levels, impaired endothelium-dependent and endothelium-independent coronary vasodilator capacities, and elevated coronary microvascular resistance caused by structural factors. Recent experimental and clinical research has highlighted CMD as the systemic small artery disease beyond the heart, emerging modulators of vascular functions, novel insights into the pathogenesis of cardiovascular diseases associated with CMD, and potential therapeutic interventions to CMD with major clinical implications. In this article, we will summarize the current knowledge on the endothelial modulation of vascular tone and the pathogenesis of coronary macrovascular and microvascular diseases from bench to bedside, with a special emphasis placed on the mechanisms and clinical implications of CMD.
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Affiliation(s)
- Shigeo Godo
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan; and
| | - Jun Takahashi
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan; and
| | - Satoshi Yasuda
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan; and
| | - Hiroaki Shimokawa
- Department of Cardiovascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan; and
- Graduate School, International University of Health and Welfare, Narita, Japan
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Konst RE, Damman P, Pellegrini D, van Royen N, Maas AHEM, Elias-Smale SE. Diagnostic approach in patients with angina and no obstructive coronary artery disease: emphasising the role of the coronary function test. Neth Heart J 2021; 29:121-128. [PMID: 33415605 PMCID: PMC7904984 DOI: 10.1007/s12471-020-01532-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Many patients with angina do not have obstructive coronary artery disease (CAD), also referred to as "Ischaemia with No Obstructive Coronary Arteries" (INOCA). Coronary vascular dysfunction is the underlying cause of this ischaemic heart disease in as much as 59-89% of these patients, including the endotypes of coronary microvascular dysfunction and epicardial coronary vasospasm. Currently, a coronary function test (CFT) is the only comprehensive diagnostic modality to evaluate all endotypes of coronary vascular dysfunction in patients with INOCA. OBJECTIVE In this paper we discuss the relevance of performing a CFT, provide considerations for patient selection, and present an overview of the procedure and its safety. METHODS We reviewed the latest published data, guidelines and consensus documents, combined with a discussion of novel original data, to present this point of view. RESULTS The use of a CFT could lead to a more accurate and timely diagnosis of vascular dysfunction, identifies patients at risk for cardiovascular events, and enables stratified treatment which improves symptoms and quality of life. Current guidelines recommend considering a CFT in patients with INOCA and persistent symptoms. The safety of the procedure is comparable to that of a regular coronary angiography with physiological measurements. Non-invasive alternatives have limited diagnostic accuracy for the identification of coronary vascular dysfunction in patients with INOCA, and a regular coronary angiography and/or coronary computed tomography scan cannot establish the diagnosis. CONCLUSIONS A complete CFT, including acetylcholine and adenosine tests, should be considered in patients with INOCA.
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Affiliation(s)
- R E Konst
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands.
| | - P Damman
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - D Pellegrini
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands.,University of Milano-Bicocca, Milan, Italy
| | - N van Royen
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - A H E M Maas
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - S E Elias-Smale
- Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands
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Gunawardena T, Merinopoulos I, Wickramarachchi U, Vassiliou V, Eccleshall S. Endothelial Dysfunction and Coronary Vasoreactivity - A Review of the History, Physiology, Diagnostic Techniques, and Clinical Relevance. Curr Cardiol Rev 2021; 17:85-100. [PMID: 32552654 PMCID: PMC8142375 DOI: 10.2174/1573403x16666200618161942] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 03/23/2020] [Accepted: 04/09/2020] [Indexed: 01/08/2023] Open
Abstract
The fervency for advancement and evolution in percutaneous coronary intervention has revolutionised the treatment of coronary artery disease. Historically, the focus of the interventional cardiologist was directed at the restoration of luminal patency of the major epicardial coronary arteries, yet whilst this approach is evolving with much greater utilisation of physiological assessment, it often neglects consideration of the role of the coronary microcirculation, which has been shown to clearly influence prognosis. In this review, we explore the narrative of the coronary circulation as more than just a simple conduit for blood but an organ with functional significance. We review organisation and physiology of the coronary circulation, as well as the current methods and techniques used to examine it. We discuss the studies exploring coronary artery endothelial function, appreciating that coronary artery disease occurs on a spectrum of disorder and that percutaneous coronary intervention has a latent effect on the coronary circulation with long-term consequences. It is concluded that greater recognition of the coronary artery endothelium and mechanisms of the coronary circulation should further guide revascularisation strategies.
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Affiliation(s)
- Tharusha Gunawardena
- Address correspondence to this author at the Department of Cardiology, Norfolk and Norwich University Hospital, Colney Lane NR4 7UY, Norwich, England; E-mail:
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Ai H, Feng Y, Gong Y, Zheng B, Jin Q, Zhang HP, Sun F, Li J, Chen Y, Huo Y, Huo Y. Coronary Angiography-Derived Index of Microvascular Resistance. Front Physiol 2020; 11:605356. [PMID: 33391020 PMCID: PMC7772433 DOI: 10.3389/fphys.2020.605356] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 11/16/2020] [Indexed: 01/10/2023] Open
Abstract
A coronary angiography-derived index of microvascular resistance (caIMR) is proposed for physiological assessment of microvasular diseases in coronary circulation. The aim of the study is to assess diagnostic performance of caIMR, using wire-derived index of microvascular resistance (IMR) as the reference standard. IMR was demonstrated in 56 patients (57 vessels) with stable/unstable angina pectoris and no obstructive coronary arteries in three centers using the Certus pressure wire. Based on the aortic pressure wave and coronary angiograms from two projections, the caIMR was computed and assessed in blinded fashion against the IMR at an independent core laboratory. Diagnostic accuracy, sensitivity, specificity, positive predictive value and negative predictive value of the caIMR with a cutoff value of 25 were 84.2% (95% CI: 72.1% to 92.5%), 86.1% (95% CI: 70.5% to 95.3%), 81.0% (95% CI: 58.1% to 94.6%), 88.6% (95% CI: 76.1% to 95.0%), and 77.3% (95% CI: 59.5% to 88.7%) against the IMR with a cutoff value of 25. The receiver-operating curve had area under the curve of 0.919 and the correlation coefficient equaled to 0.746 between caIMR and wire-derived IMR. Hence, caIMR could eliminate the need of a pressure wire, reduce technical error, and potentially increase adoption of physiological assessment of microvascular diseases in patients with ischemic heart disease.
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Affiliation(s)
- Hu Ai
- Department of Cardiology, Beijing Hospital, Beijing, China.,National Center of Gerontology, Beijing, China
| | - Yundi Feng
- PKU-HKUST Shenzhen-Hong Kong Institution, Shenzhen, China
| | - Yanjun Gong
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Bo Zheng
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Qinhua Jin
- Department of Cardiovascular, PLA General Hospital, Beijing, China
| | - Hui-Ping Zhang
- Department of Cardiology, Beijing Hospital, Beijing, China.,National Center of Gerontology, Beijing, China
| | - Fucheng Sun
- Department of Cardiology, Beijing Hospital, Beijing, China.,National Center of Gerontology, Beijing, China
| | - Jianping Li
- Department of Cardiology, Peking University First Hospital, Beijing, China
| | - Yundai Chen
- Department of Cardiovascular, PLA General Hospital, Beijing, China
| | - Yunlong Huo
- PKU-HKUST Shenzhen-Hong Kong Institution, Shenzhen, China.,Department of Cardiology, Peking University First Hospital, Beijing, China.,Institute of Mechanobiology & Medical Engineering, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, Shanghai, China
| | - Yong Huo
- Department of Cardiology, Peking University First Hospital, Beijing, China
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