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Liu J, Jin J, Yu B, Zhang S, Lu X, Chen G, Yang Y, Dong H. Determinants and Prognoses of Visual-Functional Mismatches After Mechanical Reperfusion in ST-Elevation Myocardial Infarction. Int J Gen Med 2024; 17:693-704. [PMID: 38435112 PMCID: PMC10908277 DOI: 10.2147/ijgm.s444933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 02/09/2024] [Indexed: 03/05/2024] Open
Abstract
Background Discordance between the anatomy and physiology of the coronary has important implications for managing patients with stable coronary disease, but its significance in ST-elevation myocardial infarction has not been fully elucidated. Methods The retrospective study involved patients diagnosed with ST-elevation myocardial infarction (STEMI) who underwent percutaneous coronary intervention (PCI), along with quantitative coronary angiography (QCA) and quantitative flow ratio (QFR) assessments. Patients were stratified into four groups regarding the severity of the culprit vessel, both visually and functionally: concordantly negative (QCA-diameter stenosis [DS] ≤ 50% and QFR > 0.80), mismatch (QCA-DS > 50% and QFR > 0.80), reverse mismatch (QCA-DS ≤ 50% and QFR ≤ 0.80), and concordantly positive (QCA-DS > 50% and QFR ≤ 0.80). Multivariable logistic regression analyses were conducted to identify the clinical factors linked to visual-functional mismatches. Kaplan‒Meier analysis was conducted to estimate the 18-month adverse cardiovascular events (MACE)-free survival between the four groups. Results The study involved 310 patients, with 68 presenting visual-functional mismatch, and 51 exhibiting reverse mismatch. The mismatch was associated with higher angiography-derived microcirculatory resistance (AMR) (adjusted odds ratio [aOR]=1.016, 95% CI: 1.010-1.022, P<0.001). Reverse mismatch was associated with larger area stenosis (aOR=1.044, 95% CI: 1.004-1.086, P=0.032), lower coronary flow velocity (aOR=0.690, 95% CI: 0.567-0.970, P<0.001) and lower AMR (aOR=0.947, 95% CI: 0.924-0.970, P<0.001). Additionally, the mismatch group showed the worst 18-month MACE-free survival among the four groups (Log rank test p = 0.013). Conclusion AMR plays a significant role in the occurrence of visual-functional mismatches between QCA-DS and QFR, and the mismatch group showed the worst prognosis.
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Affiliation(s)
- Jieliang Liu
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Junguo Jin
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Bingyan Yu
- Department of Cardiology, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Shanghong Zhang
- Department of Cardiology, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Xiaoqi Lu
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Guoqiang Chen
- Department of Cardiology, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Yi Yang
- Department of Cardiology, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, 510080, People’s Republic of China
| | - Haojian Dong
- Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, 510080, People’s Republic of China
- Nyingchi People’s Hospital, Nyingchi, Tibet, 860000, People’s Republic of China
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Geng Y, Liu H, Wang X, Zhang J, Gong Y, Zheng D, Jiang J, Xia L. Effect of microcirculatory dysfunction on coronary hemodynamics: A pilot study based on computational fluid dynamics simulation. Comput Biol Med 2022; 146:105583. [DOI: 10.1016/j.compbiomed.2022.105583] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 04/21/2022] [Accepted: 04/30/2022] [Indexed: 01/09/2023]
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Banerjee RK, Ramadurai S, Manegaonkar SM, Rao MB, Rakkimuthu S, Effat MA. Comparison Between 5- and 1-Year Outcomes Using Cutoff Values of Pressure Drop Coefficient and Fractional Flow Reserve for Diagnosing Coronary Artery Diseases. Front Physiol 2021; 12:689517. [PMID: 34335296 PMCID: PMC8317064 DOI: 10.3389/fphys.2021.689517] [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: 04/01/2021] [Accepted: 05/28/2021] [Indexed: 12/02/2022] Open
Abstract
Background The current pressure-based coronary diagnostic index, fractional flow reserve (FFR), has a limited efficacy in the presence of microvascular disease (MVD). To overcome the limitations of FFR, the objective is to assess the recently introduced pressure drop coefficient (CDP), a fundamental fluid dynamics-based combined pressure–flow index. Methods We hypothesize that CDP will result in improved clinical outcomes in comparison to FFR. To test the hypothesis, chi-square test was performed to compare the percent major adverse cardiac events (%MACE) at 5 years between (a) FFR < 0.75 and CDP > 27.9 and (b) FFR < 0.80 and CDP > 25.4 groups using a prospective cohort study. Furthermore, Kaplan–Meier survival curves were compared between the FFR and CDP groups. The results were considered statistically significant for p < 0.05. The outcomes of the CDP arm were presumptive as clinical decision was solely based on the FFR. Results For the complete patient group, the %MACE in the CDP > 27.9 group (10 out of 35, 29%) was lower in comparison to the FFR < 0.75 group (11 out of 20, 55%), and the difference was near significant (p = 0.05). The survival analysis showed a significantly higher survival rate (p = 0.01) in the CDP > 27.9 group (n = 35) when compared to the FFR < 0.75 group (n = 20). The results remained similar for the FFR = 0.80 cutoff. The comparison of the 5-year MACE outcomes with the 1-year outcomes for the complete patient group showed similar trends, with a higher statistical significance for a longer follow-up period of 5 years. Conclusion Based on the MACE and survival analysis outcomes, CDP could possibly be an alternate diagnostic index for decision-making in the cardiac catheterization laboratory. Clinical Trial Registration www.ClinicalTrials.gov, identifier NCT01719016.
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Affiliation(s)
- Rupak K Banerjee
- Department of Mechanical and Materials Engineering, University of Cincinnati, Cincinnati, OH, United States.,Research Services, Veteran Affairs Medical Services, Cincinnati, OH, United States
| | - Sruthi Ramadurai
- Department of Mechanical and Materials Engineering, University of Cincinnati, Cincinnati, OH, United States
| | - Shreyash M Manegaonkar
- Department of Mechanical and Materials Engineering, University of Cincinnati, Cincinnati, OH, United States
| | - Marepalli B Rao
- Department of Environmental and Public Health Sciences, University of Cincinnati, Cincinnati, OH, United States
| | - Sathyaprabha Rakkimuthu
- Department of Mechanical and Materials Engineering, University of Cincinnati, Cincinnati, OH, United States
| | - Mohamed A Effat
- Department of Cardiology, University of Cincinnati Medical Center, Cincinnati, OH, United States
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Geng L, Yuan Y, Du P, Gao L, Wang Y, Li J, Guo W, Huang Y, Zhang Q. Association of quantitative flow ratio-derived microcirculatory indices with anatomical-functional discordance in intermediate coronary lesions. Int J Cardiovasc Imaging 2021; 37:2803-2813. [PMID: 34059977 DOI: 10.1007/s10554-021-02292-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/16/2021] [Indexed: 12/18/2022]
Abstract
Discrepancy between coronary lesion severity and functional significance has always been a relevant issue in the management of patients undergoing coronary angiography and/or revascularization. We sought to investigate the relationship between quantitative flow ratio (QFR)-derived microcirculatory indices and anatomical-functional mismatch/reverse mismatch in intermediate coronary lesions. Intravascular ultrasound (IVUS) imaging and QFR were analyzed in 117 de novo intermediate coronary lesions. Lesions with QFR ≤ 0.8 were considered hemodynamically significant. Anatomical significance of the lesions was defined according to the best cutoff value of combined IVUS parameters for predicting QFR ≤ 0.8. QFR-derived microcirculatory indices including contrast-flow QFR minus fixed-flow QFR (cQFR-fQFR), hyperemic flow velocity and angiography-derived index of microcirculatory resistance (IMRangio) were calculated. The best cutoff values of IVUS parameters for predicting QFR ≤ 0.8 were minimum lumen area (MLA) 3.1mm2 and plaque burden (PB) 70%, with area under the curve of 0.635 and 0.703, respectively. The total discordance rate of lesion functional significance between IVUS and QFR assessments was 26.5%, with 21 lesions (17.9%) being classified as mismatch (MLA ≤ 3.1mm2 and PB ≥ 70% and QFR > 0.8) and 10 lesions (8.5%) as reverse-mismatch (MLA > 3.1 mm2 or PB < 70% and QFR ≤ 0.8). At multivariate analysis, IMRangio was identified as an independent predictor of mismatch (OR1.675, 95%CI:1.176-2.386, P = 0.004), whereas hyperemic flow velocity was identified as an independent predictor of reverse-mismatch (OR 1.233, 95%CI:1.073-1.416, P = 0.003). In intermediate coronary lesions, although MLA 3.1mm2 and PB 70% determined by IVUS are predictive of QFR-defined functional significance, the discordance rate remains substantial. QFR-derived microcirculatory indices are independently associated with anatomical-functional discordance between IVUS and QFR assessments.
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Affiliation(s)
- Liang Geng
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.,Department of Cardiology, JI'AN Hospital, Shanghai East Hospital, Ji An, 343006, China
| | - Yuan Yuan
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Peizhao Du
- Department of Cardiology, Baoshan Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai, 201900, China
| | - Liming Gao
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Yunkai Wang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Jiming Li
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Wei Guo
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Ying Huang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China
| | - Qi Zhang
- Department of Cardiology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, China.
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Vancheri F, Longo G, Vancheri S, Henein M. Coronary Microvascular Dysfunction. J Clin Med 2020; 9:E2880. [PMID: 32899944 PMCID: PMC7563453 DOI: 10.3390/jcm9092880] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 09/02/2020] [Accepted: 09/02/2020] [Indexed: 01/09/2023] Open
Abstract
Many patients with chest pain undergoing coronary angiography do not show significant obstructive coronary lesions. A substantial proportion of these patients have abnormalities in the function and structure of coronary microcirculation due to endothelial and smooth muscle cell dysfunction. The coronary microcirculation has a fundamental role in the regulation of coronary blood flow in response to cardiac oxygen requirements. Impairment of this mechanism, defined as coronary microvascular dysfunction (CMD), carries an increased risk of adverse cardiovascular clinical outcomes. Coronary endothelial dysfunction accounts for approximately two-thirds of clinical conditions presenting with symptoms and signs of myocardial ischemia without obstructive coronary disease, termed "ischemia with non-obstructive coronary artery disease" (INOCA) and for a small proportion of "myocardial infarction with non-obstructive coronary artery disease" (MINOCA). More frequently, the clinical presentation of INOCA is microvascular angina due to CMD, while some patients present vasospastic angina due to epicardial spasm, and mixed epicardial and microvascular forms. CMD may be associated with focal and diffuse epicardial coronary atherosclerosis, which may reinforce each other. Both INOCA and MINOCA are more common in females. Clinical classification of CMD includes the association with conditions in which atherosclerosis has limited relevance, with non-obstructive atherosclerosis, and with obstructive atherosclerosis. Several studies already exist which support the evidence that CMD is part of systemic microvascular disease involving multiple organs, such as brain and kidney. Moreover, CMD is strongly associated with the development of heart failure with preserved ejection fraction (HFpEF), diabetes, hypertensive heart disease, and also chronic inflammatory and autoimmune diseases. Since coronary microcirculation is not visible on invasive angiography or computed tomographic coronary angiography (CTCA), the diagnosis of CMD is usually based on functional assessment of microcirculation, which can be performed by both invasive and non-invasive methods, including the assessment of delayed flow of contrast during angiography, measurement of coronary flow reserve (CFR) and index of microvascular resistance (IMR), evaluation of angina induced by intracoronary acetylcholine infusion, and assessment of myocardial perfusion by positron emission tomography (PET) and magnetic resonance (CMR).
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Affiliation(s)
- Federico Vancheri
- Department of Internal Medicine, S.Elia Hospital, 93100 Caltanissetta, Italy
| | - Giovanni Longo
- Cardiovascular and Interventional Department, S.Elia Hospital, 93100 Caltanissetta, Italy;
| | - Sergio Vancheri
- Radiology Department, I.R.C.C.S. Policlinico San Matteo, 27100 Pavia, Italy;
| | - Michael Henein
- Institute of Public Health and Clinical Medicine, Umea University, SE-90187 Umea, Sweden;
- Department of Fluid Mechanics, Brunel University, Middlesex, London UB8 3PH, UK
- Molecular and Nuclear Research Institute, St George’s University, London SW17 0RE, UK
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Ozaki Y, Gonzalo N, Salazar CH, Kuku KO, Mejía-Rentería H, Hideo-Kajita A, Núñez-Gil IJ, Escaned J, Waksman R, Garcia-Garcia HM. Comparison of quantitative flow ratio value of left anterior descending and circumflex coronary artery in patients with Takotsubo syndrome. Int J Cardiovasc Imaging 2019; 36:3-8. [PMID: 31578638 DOI: 10.1007/s10554-019-01703-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 09/17/2019] [Indexed: 01/27/2023]
Abstract
Takotsubo syndrome (TTS) is an acute cardiac event without epicardial coronary obstruction but often with reversible ventricular motion abnormalities. Quantitative flow ratio (QFR) is a novel approach to evaluate the coronary stenosis significance on the basis of 3-dimensional quantitative coronary angiography (3D-QCA) and contrast flow by Thrombolysis in Myocardial Infarction frame count. This study aimed to evaluate and compare the QFR value in the left anterior descending artery (LAD) and the left circumflex artery (LCx) in patients with TTS. This retrospective and observational study enrolled 30 patients with TTS who underwent coronary angiography. We evaluated the QFR data using the 3D-QCA analysis and compared the QFR data in the LAD and the LCx. No significant differences were observed in terms of flow velocity, percent diameter stenosis, minimum lumen diameter, and reference diameter between LAD and LCx. However, vessel QFR in the LAD was significantly reduced compared with that in the LCx (0.98 [0.94 to 0.99] vs. 1.00 [0.99 to 1.00], P < 0.001). Ejection fraction at baseline and initial troponin-I levels were not correlated with the vessel QFR both in the LAD and the LCx. The QFR value in the LAD was significantly reduced compared to that in the LCx in patients with TTS.
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Affiliation(s)
- Yuichi Ozaki
- Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, Washington, DC, USA
| | - Nieves Gonzalo
- Interventional Cardiology, IdISSC, Hospital Clinico San Carlos, Madrid, Spain
| | | | - Kayode O Kuku
- Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, Washington, DC, USA
| | | | - Alexandre Hideo-Kajita
- Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, Washington, DC, USA
| | - Iván J Núñez-Gil
- Interventional Cardiology, IdISSC, Hospital Clinico San Carlos, Madrid, Spain
| | - Javier Escaned
- Interventional Cardiology, IdISSC, Hospital Clinico San Carlos, Madrid, Spain
| | - Ron Waksman
- Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
| | - Hector M Garcia-Garcia
- Section of Interventional Cardiology, MedStar Washington Hospital Center, Washington, DC, USA.
- MedStar Cardiovascular Research Network, MedStar Washington Hospital Center, Washington, DC, USA.
- Section of Interventional Cardiology, MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1, Washington, DC, 20010, USA.
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Ahn SG, Suh J, Hung OY, Lee HS, Bouchi YH, Zeng W, Gandhi R, Eshtehardi P, Gogas BD, Samady H. Discordance Between Fractional Flow Reserve and Coronary Flow Reserve: Insights From Intracoronary Imaging and Physiological Assessment. JACC Cardiovasc Interv 2018; 10:999-1007. [PMID: 28521932 DOI: 10.1016/j.jcin.2017.03.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 02/15/2017] [Accepted: 03/06/2017] [Indexed: 11/25/2022]
Abstract
OBJECTIVES The aim of this study was to investigate the epicardial and microvascular substrates associated with discordances between fractional flow reserve (FFR) and coronary flow reserve (CFR) values. BACKGROUND Discordances between FFR and CFR remain poorly characterized. METHODS FFR, hyperemic stenosis resistance (HSR), and intravascular ultrasound were performed as indexes of epicardial function and CFR and hyperemic microvascular resistance (HMR) as measures of microvascular function in 94 patients with moderate coronary stenosis. Maximal plaque burden (PBmax), HSR, and HMR were calculated in 4 quadrants based on values of FFR ≤0.80 and CFR ≤2.0 as follows: concordant normal (preserved FFR and CFR), concordant abnormal (low FFR and CFR), discordant low FFR and preserved CFR, and discordant preserved FFR and low CFR. RESULTS Sixty-four patients (68%) had concordant FFR and CFR findings, and 30 patients (32%) had discordant FFR and CFR. Compared with patients with preserved FFR and CFR, those with low FFR and CFR had higher PBmax (p = 0.003), higher HSR (p < 0.001), and similar HMR. Among patients with preserved FFR, those with reduced CFR had similar PBmax and HSR but a trend toward higher HMR (p = 0.058) compared with patients with preserved CFR. Among patients with reduced FFR, those with preserved CFR had lower PBmax (p = 0.004), a trend toward lower HSR (p = 0.065), and lower HMR (p = 0.03) compared with patients with reduced CFR. Furthermore, compared with patients with preserved FFR and low CFR, those with low FFR and preserved CFR had higher HSR (p = 0.022) but lower HMR (p = 0.003). CONCLUSIONS In patients with moderate coronary stenosis, preserved FFR and low CFR is associated with increased microvascular resistance, while low FFR and preserved CFR has modest epicardial stenosis and preserved microvascular function.
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Affiliation(s)
- Sung Gyun Ahn
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia; Division of Cardiology, Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jon Suh
- Division of Cardiology, Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea; Division of Cardiology, Department of Internal Medicine, SoonChunHyang University Bucheon Hospital, Bucheon, Korea
| | - Olivia Y Hung
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Hee Su Lee
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Yasir H Bouchi
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Wenjie Zeng
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Rounak Gandhi
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Parham Eshtehardi
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Bill D Gogas
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Habib Samady
- Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.
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Use of fractional flow reserve in patients with coronary artery disease: The right choice for the right outcome. Trends Cardiovasc Med 2017; 27:106-120. [DOI: 10.1016/j.tcm.2016.06.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 06/21/2016] [Accepted: 06/23/2016] [Indexed: 01/15/2023]
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