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Baessato F, Guglielmo M, Muscogiuri G, Baggiano A, Fusini L, Scafuri S, Babbaro M, Mollace R, Collevecchio A, Guaricci AI, Pontone G. Stress CMR in Known or Suspected CAD: Diagnostic and Prognostic Role. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6678029. [PMID: 33511208 PMCID: PMC7822671 DOI: 10.1155/2021/6678029] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/23/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022]
Abstract
The recently published 2019 guidelines on chronic coronary syndromes (CCS) focus on the need for noninvasive imaging modalities to accurately establish the diagnosis of coronary artery disease (CAD) and assess the risk of clinical scenario occurrence. Appropriate patient management should rely on controlling symptoms, improving prognosis, and guiding each therapeutic strategy as well as monitoring disease progress. Among the noninvasive imaging modalities, cardiovascular magnetic resonance (CMR) has gained broad acceptance in past years due to its unique features in providing a complete assessment of CAD through data on cardiac anatomy and function and myocardial viability, with high spatial and temporal resolution and without ionizing radiation. In detail, evaluation of the presence and extent of myocardial ischemia through stress CMR (S-CMR) has shown a high rule-in power in detecting functionally significant coronary artery stenosis in patients suspected of CCS. Moreover, S-CMR technique may add significant prognostic value, as demonstrated by different studies which have progressively evidenced the valuable power of this multiparametric imaging modality in predicting adverse cardiac events. The latest scientific progress supports a greater expansion of S-CMR with improvement of quantitative myocardial perfusion analysis, myocardial strain, and native mapping within the same examination. Although further study is warranted, these techniques, which are currently mostly restricted to the research field, are likely to become increasingly prevalent in the clinical setting with the scope of increasing accuracy in the selection of patients to be sent to invasive revascularization. This review investigates the diagnostic and prognostic role of S-CMR in the context of CAD, by analysing a strong, long-standing, scientific evidence together with an appraisal of new advanced techniques which may potentially enrich CAD management in the next future.
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Affiliation(s)
- Francesca Baessato
- Department of Cardiology, San Maurizio Regional Hospital, Bolzano, Italy
| | - Marco Guglielmo
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Giuseppe Muscogiuri
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Andrea Baggiano
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Laura Fusini
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Stefano Scafuri
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Mario Babbaro
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Rocco Mollace
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
| | - Ada Collevecchio
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Andrea I. Guaricci
- Institute of Cardiovascular Disease, Department of Emergency and Organ Transplantation, University Hospital Policlinico of Bari, Bari, Italy
| | - Gianluca Pontone
- Cardiovascular Imaging Department, Centro Cardiologico Monzino IRCCS, Milan, Italy
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Huang L, Huang L, Yu J, Wu X, Zhao J. An association between N-terminal pro-brain natriuretic protein level and risk of left ventricular hypertrophy in patients without heart failure. Exp Ther Med 2020; 19:3259-3266. [PMID: 32266021 PMCID: PMC7132238 DOI: 10.3892/etm.2020.8598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 02/05/2020] [Indexed: 01/19/2023] Open
Abstract
The objective of the present study was to investigate the association between N-terminal-pro-brain natriuretic peptide (NT-proBNP) quartiles and the risk of left ventricular hypertrophy (LVH), as well as to assess the association between NT-proBNP and hallmarks of LVH in heart failure (HF)-negative patients. Logistic regression analysis was used to analyze four groups of participants, who were stratified according to NT-proBNP quartiles, in order to investigate the association between NT-proBNP and the risk of LVH. Subsequently, analyses involving uni- and multivariate linear regression were performed to evaluate the associations of NT-proBNP with LV mass (LVM), LVM index (LVMI) and relative wall thickness (RWT). The results indicated that the occurrence of LVH was progressively enhanced along with increasing NT-proBNP quartiles in patients without HF. The univariate logistic regression analysis revealed that the groups of quartiles 4 and 3 carried a 5.254 and 1.757 times greater risk of LVH than the group of the lowest NT-proBNP quartile, respectively. Furthermore, the multivariate logistic regression analysis indicated that, compared with the quartile 1 group, participants in quartiles 2-4 had a significantly increased risk of LVH. In addition, significant positive linear associations of Lg(NT-proBNP) with LVM and LVMI were determined, while a inverse association between Lg(NT-proBNP) and RWT was indicated. The results of the present study suggested that the risk of LVH increased progressively with increasing NT-proBNP quartiles. On the basis of these results, NT-proBNP may be an effective independent prognostic marker for the risk of LVH in patients without HF.
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Affiliation(s)
- Lei Huang
- Department of Cardiology, Ningbo Hangzhou Bay Hospital, Ningbo, Zhejiang 315336, P.R. China
| | - Longfei Huang
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Jing Yu
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Xianming Wu
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Jinyan Zhao
- Department of Cardiology, Tianjin Union Medical Center, Tianjin 300121 P.R. China
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Correlations of Serum Cyclophilin A and Melatonin Concentrations with Hypertension-induced Left Ventricular Hypertrophy. Arch Med Res 2017; 48:526-534. [DOI: 10.1016/j.arcmed.2017.12.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 12/06/2017] [Indexed: 01/09/2023]
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Huang L, Teng T, Bian B, Yao W, Yu X, Wang Z, Xu Z, Sun Y. Zinc Levels in Left Ventricular Hypertrophy. Biol Trace Elem Res 2017; 176:48-55. [PMID: 27452612 DOI: 10.1007/s12011-016-0808-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 07/08/2016] [Indexed: 11/26/2022]
Abstract
Zinc is one of the most important trace elements in the body and zinc homeostasis plays a critical role in maintaining cellular structure and function. Zinc dyshomeostasis can lead to many diseases, such as cardiovascular disease. Our aim was to investigate whether there is a relationship between zinc and left ventricular hypertrophy (LVH). A total of 519 patients was enrolled and their serum zinc levels were measured in this study. We performed analyses on the relationship between zinc levels and LVH and the four LV geometry pattern patients: normal LV geometry, concentric remodeling, eccentric LVH, and concentric LVH. We performed further linear and multiple regression analyses to confirm the relationship between zinc and left ventricular mass (LVM), left ventricular mass index (LVMI), and relative wall thickness (RWT). Our data showed that zinc levels were 710.2 ± 243.0 μg/L in the control group and were 641.9 ± 215.2 μg/L in LVH patients. We observed that zinc levels were 715 ± 243.5 μg/L, 694.2 ± 242.7 μg/L, 643.7 ± 225.0 μg/L, and 638.7 ± 197.0 μg/L in normal LV geometry, concentric remodeling, eccentric LVH, and concentric LVH patients, respectively. We further found that there was a significant inverse linear relationship between zinc and LVM (p = 0.001) and LVMI (p = 0.000) but did not show a significant relationship with RWT (p = 0.561). Multiple regression analyses confirmed that the linear relationship between zinc and LVM and LVMI remained inversely significant. The present study revealed that serum zinc levels were significantly decreased in the LVH patients, especially in the eccentric LVH and concentric LVH patients. Furthermore, zinc levels were significantly inversely correlated with LVM and LVMI.
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Affiliation(s)
- Lei Huang
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China
| | - Tianming Teng
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China
| | - Bo Bian
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China
| | - Wei Yao
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China
| | - Xuefang Yu
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China
| | - Zhuoqun Wang
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China
| | - Zhelong Xu
- Department of Physiology & Pathophysiology, Tianjin Medical University, 22 Qixiangtai Road, Tianjin, 300070, China.
| | - Yuemin Sun
- Department of Cardiology, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China.
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Le TT, Huang W, Bryant JA, Cook SA, Chin CWL. Stress cardiovascular magnetic resonance imaging: current and future perspectives. Expert Rev Cardiovasc Ther 2017; 15:181-189. [DOI: 10.1080/14779072.2017.1296356] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Thu-Thao Le
- Department of cardiovascular medicine, National Heart Centre Singapore, Singapore, Singapore
| | - Weiting Huang
- Department of cardiovascular medicine, National Heart Centre Singapore, Singapore, Singapore
| | - Jennifer Ann Bryant
- Department of cardiovascular medicine, National Heart Centre Singapore, Singapore, Singapore
| | - Stuart Alexander Cook
- Department of cardiovascular medicine, National Heart Centre Singapore, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
| | - Calvin Woon-Loong Chin
- Department of cardiovascular medicine, National Heart Centre Singapore, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
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Alkema M, Spitzer E, Soliman OII, Loewe C. Multimodality Imaging for Left Ventricular Hypertrophy Severity Grading: A Methodological Review. J Cardiovasc Ultrasound 2016; 24:257-267. [PMID: 28090249 PMCID: PMC5234336 DOI: 10.4250/jcu.2016.24.4.257] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2016] [Revised: 10/28/2016] [Accepted: 11/30/2016] [Indexed: 01/04/2023] Open
Abstract
Left ventricular hypertrophy (LVH), defined by an increase in left ventricular mass (LVM), is a common cardiac finding generally caused by an increase in pressure or volume load. Assessing severity of LVH is of great clinical value in terms of prognosis and treatment choices, as LVH severity grades correlate with the risk for presenting cardiovascular events. The three main cardiac parameters for the assessment of LVH are wall thickness, LVM, and LV geometry. Echocardiography, with large availability and low cost, is the technique of choice for their assessment. Consequently, reference values for LVH severity in clinical guidelines are based on this technique. However, cardiac magnetic resonance (CMR) and computed tomography (CT) are increasingly used in clinical practice, providing excellent image quality. Nevertheless, there is no extensive data to support reference values based on these techniques, while comparative studies between the three techniques show different results in wall thickness and LVM measurements. In this paper, we provide an overview of the different methodologies used to assess LVH severity with echocardiography, CMR and CT. We argue that establishing reference values per imaging modality, and possibly indexed to body surface area and classified per gender, ethnicity and age-group, might be essential for the correct classification of LVH severity.
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Affiliation(s)
- Maaike Alkema
- Department of Biomedical Sciences, Leiden University Medical Center, Leiden, the Netherlands.; Cardialysis, Clinical Trial Management & Core Laboratories, Rotterdam, the Netherlands
| | - Ernest Spitzer
- Cardialysis, Clinical Trial Management & Core Laboratories, Rotterdam, the Netherlands.; Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Osama I I Soliman
- Cardialysis, Clinical Trial Management & Core Laboratories, Rotterdam, the Netherlands.; Department of Cardiology, Thoraxcenter, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - Christian Loewe
- Section of Cardiovascular and Interventional Radiology, Department of Bioimaging and Image-Guided Therapy, Medical University of Vienna, Vienna, Austria
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Wang S, Song K, Guo X, Xue H, Wang N, Chen J, Zou Y, Sun K, Wang H, He J, Hui R. The association of metabolic syndrome with left ventricular mass and geometry in community-based hypertensive patients among Han Chinese. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2016; 20:963-8. [PMID: 26929761 PMCID: PMC4746870 DOI: 10.4103/1735-1995.172785] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Background: The association of metabolic syndrome (MS) with left ventricular (LV) hypertrophy is controversial. The objective of our study was to investigate the influence of MS on LV mass and geometry in community-based hypertensive patients among Han Chinese. Materials and Methods: This study included 1733 metabolic syndrome patients according to the International Diabetes Federation (IDF) definition and 2373 non-MS hypertension patients. LV hypertrophy was diagnosed by the criteria of LV mass ≥49.2 g/m2.7 for men and 46.7 g/m2.7 for women. LV geometric patterns (normal, concentric remodeling, concentric or eccentric hypertrophy) were calculated according to LV hypertrophy and relative wall thickness. Logistic regression analysis was used to determine odds ratio (OR) and 95% confidence interval (CI) of MS for LV hypertrophy and LV geometry abnormality. Results: The LV mass and LV mass index were higher in the MS group than in the non-MS group. In multiple adjusted models. LV mass index, LV mass, interventricular septum, and post wall were raised with the increased number of MS disorders. MS was associated with increased LV hypertrophy risk (unadjusted OR 1.38; 95% CI 1.21-1.57); age, sex, and blood pressure (BP; adjusted OR 1.39; 95% CI 1.22-1.59). MS was also associated with increased risk of eccentric hypertrophy in male and female patients. MS was only associated with increased risk of concentric hypertrophy in female patients; and MS was not associated with concentric remodeling. Conclusion: LV mass and LV mass index were associated with the increased number of MS disorders in the Chinese community-based hypertensive population. MS was not only associated with increased LV hypertrophy risk, but also associated with concentric and eccentric LV geometry abnormality, especially in females.
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Affiliation(s)
- Shuxia Wang
- Department of Cadre Clinic, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Kangxing Song
- Department of Cardiology, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Xiyun Guo
- Department of Cadre Clinic, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Hao Xue
- Department of Cardiology, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Nina Wang
- Department of Plastic Surgery, Qingdao Second Nursing Hospital of Ji'nan Military Area Command, Beijing, China
| | - Jingzhou Chen
- Department of Cardiology, Key Laboratory for Clinical Cardiovascular Genetics, Ministry of Education Cardiovascular Institute, Fuwai Hospital, Beijing Union Medical College, Beijing, China
| | - Yubao Zou
- Department of Cardiology, Key Laboratory for Clinical Cardiovascular Genetics, Ministry of Education Cardiovascular Institute, Fuwai Hospital, Beijing Union Medical College, Beijing, China
| | - Kai Sun
- Department of Cardiology, Key Laboratory for Clinical Cardiovascular Genetics, Ministry of Education Cardiovascular Institute, Fuwai Hospital, Beijing Union Medical College, Beijing, China
| | - Hu Wang
- Department of Cardiology, Key Laboratory for Clinical Cardiovascular Genetics, Ministry of Education Cardiovascular Institute, Fuwai Hospital, Beijing Union Medical College, Beijing, China
| | - Jinggui He
- Department of Cadre Clinic, Chinese People's Liberation Army General Hospital, Beijing, China
| | - Rutai Hui
- Department of Cardiology, Key Laboratory for Clinical Cardiovascular Genetics, Ministry of Education Cardiovascular Institute, Fuwai Hospital, Beijing Union Medical College, Beijing, China
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Vasu S, Little WC, Morgan TM, Stacey RB, Ntim WO, Hamilton C, Thohan V, Chiles C, Hundley WG. Mechanism of decreased sensitivity of dobutamine associated left ventricular wall motion analyses for appreciating inducible ischemia in older adults. J Cardiovasc Magn Reson 2015; 17:26. [PMID: 25885436 PMCID: PMC4389511 DOI: 10.1186/s12968-015-0131-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 03/13/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Dobutamine associated left ventricular (LV) wall motion analyses exhibit reduced sensitivity for detecting inducible ischemia in individuals with increased LV wall thickness. This study was performed to better understand the mechanism of this reduced sensitivity in the elderly who often manifest increased LV wall thickness and risk factors for coronary artery disease. METHODS During dobutamine cardiovascular magnetic resonance (DCMR) stress testing, we assessed rate pressure product (RPP), aortic pulse wave velocity (PWV), LV myocardial oxygen demand (pressure volume area, PVA, mass, volumes, concentricity, and the presence of wall motion abnormalities (WMA) and first pass gadolinium enhanced perfusion defects (PDs) indicative of ischemia in 278 consecutively recruited individuals aged 69 ± 8 years with pre-existing or known risk factors for coronary artery disease. Each variable was assessed independently by personnel blinded to participant identifiers and analyses of other DCMR or hemodynamic variables. RESULTS Participants were 80% white, 90% hypertensive, 43% diabetic and 55% men. With dobutamine, 60% of the participants who exhibited PDs had no inducible WMA. Among these participants, myocardial oxygen demand was lower than that observed in those who had both wall motion and perfusion abnormalities suggestive of ischemia (p = 0.03). Relative to those with PDs and inducible WMAs, myocardial oxygen demand remained different in these individuals with PDs without an inducible WMA after accounting for LV afterload and contractility (p = 0.02 and 0.03 respectively), but not after accounting for either LV stress related end diastolic volume index (LV preload) or resting concentricity (p = 0.31-0.71). CONCLUSIONS During dobutamine stress testing, elderly patients experience increased LV concentricity and declines in LV preload and myocardial oxygen demand, all of which are associated with an absence of inducible LV WMAs indicative of myocardial ischemia. These findings provide insight as to why dobutamine associated wall motion analyses exhibit reduced sensitivity for identifying inducible ischemia in elderly. TRIAL REGISTRATION This study was registered with Clinicaltrials.gov (NCT00542503).
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Affiliation(s)
- Sujethra Vasu
- Department of Internal medicine, Section on Cardiology, Wake Forest School of Medicine, Winston Salem, North Carolina, 27157, USA.
| | - William C Little
- Department of Internal Medicine, University of Mississippi, Jackson, Mississippi, 39216, USA.
| | - Timothy M Morgan
- Department of Biostatistical sciences, Wake Forest School of Medicine, Winston Salem North Carolina, 27157, USA.
| | - Richard B Stacey
- Department of Internal medicine, Section on Cardiology, Wake Forest School of Medicine, Winston Salem, North Carolina, 27157, USA.
| | - William O Ntim
- Mid Carolina Cardiology, Charlotte North Carolina, 28204, USA.
| | - Craig Hamilton
- Department of Biomedical Engineering, Wake Forest School of Medicine, Winston Salem, North Carolina, 27157, USA.
| | - Vinay Thohan
- Aurora Cardiovascular Services, Milwaukee, Wisconsin, 53215, USA.
| | - Caroline Chiles
- Department of Radiology, Wake Forest School of Medicine, Winston Salem, North Carolina, 27157, USA.
| | - William Gregory Hundley
- Department of Internal medicine, Section on Cardiology, Wake Forest School of Medicine, Winston Salem, North Carolina, 27157, USA.
- Department of Radiology, Wake Forest School of Medicine, Winston Salem, North Carolina, 27157, USA.
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Cardiac magnetic resonance imaging for ischemic heart disease: update on diagnosis and prognosis. Top Magn Reson Imaging 2014; 23:21-31. [PMID: 24509621 DOI: 10.1097/rmr.0000000000000014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Despite significant advancements in the treatment of ischemic heart disease (IHD), IHD remains a leading cause of mortality and morbidity. In addition, there remains clinical equipoise regarding a number of important management issues across the spectrum of IHD, from evaluating patients with chest pain in the emergency department, to deciding whether patients with chronic stable angina or severe ischemic cardiomyopathies should undergo invasive revascularization procedures. Recent data over the past 2 decades has demonstrated that cardiac magnetic resonance imaging is highly accurate and carries robust prognostic value in the evaluation of patients with both acute and chronic IHD. The combination of cine imaging for cardiac structure and function, late gadolinium enhancement imaging of myocardial scar, qualitative and quantitative measures of myocardial fibrosis, and stress perfusion imaging for the presence and extent of ischemia provides a comprehensive and detailed characterization of cardiac anatomy and physiology that guides critical treatment decisions for patients. This review aims to cover both the diagnostic and prognostic utility of cardiac magnetic resonance imaging for the spectrum of IHD.
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Korosoglou G, Giusca S, Gitsioudis G, Erbel C, Katus HA. Cardiac magnetic resonance and computed tomography angiography for clinical imaging of stable coronary artery disease. Diagnostic classification and risk stratification. Front Physiol 2014; 5:291. [PMID: 25147526 PMCID: PMC4123729 DOI: 10.3389/fphys.2014.00291] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2014] [Accepted: 07/18/2014] [Indexed: 12/18/2022] Open
Abstract
Despite advances in the pharmacologic and interventional treatment of coronary artery disease (CAD), atherosclerosis remains the leading cause of death in Western societies. X-ray coronary angiography has been the modality of choice for diagnosing the presence and extent of CAD. However, this technique is invasive and provides limited information on the composition of atherosclerotic plaque. Coronary computed tomography angiography (CCTA) and cardiac magnetic resonance (CMR) have emerged as promising non-invasive techniques for the clinical imaging of CAD. Hereby, CCTA allows for visualization of coronary calcification, lumen narrowing and atherosclerotic plaque composition. In this regard, data from the CONFIRM Registry recently demonstrated that both atherosclerotic plaque burden and lumen narrowing exhibit incremental value for the prediction of future cardiac events. However, due to technical limitations with CCTA, resulting in false positive or negative results in the presence of severe calcification or motion artifacts, this technique cannot entirely replace invasive angiography at the present time. CMR on the other hand, provides accurate assessment of the myocardial function due to its high spatial and temporal resolution and intrinsic blood-to-tissue contrast. Hereby, regional wall motion and perfusion abnormalities, during dobutamine or vasodilator stress, precede the development of ST-segment depression and anginal symptoms enabling the detection of functionally significant CAD. While CT generally offers better spatial resolution, the versatility of CMR can provide information on myocardial function, perfusion, and viability, all without ionizing radiation for the patients. Technical developments with these 2 non-invasive imaging tools and their current implementation in the clinical imaging of CAD will be presented and discussed herein.
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Mirelis JG, Paetsch I, Jahnke C, Ibañez B, Fleck E, Alonso-Pulpon LA, Fuster V, Gebker R. Impact of diastolic wall stress on the diagnostic value of visually interpreted dobutamine stress MR imaging. Int J Cardiol 2014; 172:e39-42. [PMID: 24433613 DOI: 10.1016/j.ijcard.2013.12.085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 12/21/2013] [Indexed: 10/25/2022]
Affiliation(s)
- Jesus G Mirelis
- German Heart Institute, Berlin, Germany; Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain; Puerta de Hierro Majadahonda University Hospital, Madrid, Spain.
| | - Ingo Paetsch
- Department of Cardiology, University Hospital RWTH Aachen, Aachen, Germany
| | - Cosima Jahnke
- Department of Cardiology, University Hospital RWTH Aachen, Aachen, Germany
| | - Borja Ibañez
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | | | | | - Valentín Fuster
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
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Abstract
Despite our cognizance that diabetes can enhance the chances of heart failure, causes multiorgan failure,and contributes to morbidity and mortality, it is rapidly increasing menace worldwide. Less attention has been paid to alert prediabetics through determining the comprehensive predictors of diabetic cardiomyopathy (DCM) and ameliorating DCM using novel approaches. DCM is recognized as asymptomatic progressing structural and functional remodeling in the heart of diabetics, in the absence of coronary atherosclerosis and hypertension. The three major stages of DCM are: (1) early stage, where cellular and metabolic changes occur without obvious systolic dysfunction; (2) middle stage, which is characterized by increased apoptosis, a slight increase in left ventricular size, and diastolic dysfunction and where ejection fraction (EF) is <50%; and (3) late stage, which is characterized by alteration in microvasculature compliance, an increase in left ventricular size, and a decrease in cardiac performance leading to heart failure. Recent investigations have revealed that DCM is multifactorial in nature and cellular, molecular, and metabolic perturbations predisposed and contributed to DCM. Differential expression of microRNA (miRNA), signaling molecules involved in glucose metabolism, hyperlipidemia, advanced glycogen end products, cardiac extracellular matrix remodeling, and alteration in survival and differentiation of resident cardiac stem cells are manifested in DCM. A sedentary lifestyle and high fat diet causes obesity and this leads to type 2 diabetes and DCM. However, exercise training improves insulin sensitivity, contractility of cardiomyocytes, and cardiac performance in type 2 diabetes. These findings provide new clues to diagnose and mitigate DCM. This review embodies developments in the field of DCM with the aim of elucidating the future perspectives of predictors and prevention of DCM.
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Affiliation(s)
| | | | - Paras K Mishra
- Correspondence: Paras Kumar Mishra, Department of Physiology and Biophysics, School of Medicine, 500 S Preston Street, HSC-A Room 1216, University of Louisville, Louisville, KY 40202, USA, Tel +1 502 852 3627, Fax +1 502 852 6239, Email
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von Knobelsdorff-Brenkenhoff F, Schulz-Menger J. Cardiovascular magnetic resonance imaging in ischemic heart disease. J Magn Reson Imaging 2012; 36:20-38. [PMID: 22696124 DOI: 10.1002/jmri.23580] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Ischemic heart disease is the most frequent etiology for cardiovascular morbidity and mortality. Early detection and accurate monitoring are essential to guide optimal patient treatment and assess the individual's prognosis. In this regard, cardiovascular magnetic resonance (CMR), which entered the arena of noninvasive cardiovascular imaging over the past two decades, became a very important imaging modality, mainly due to its unique versatility. CMR has proven accuracy and is a robust technique for the assessment of myocardial function both at rest and during stress. It also allows stress perfusion analysis with high spatial and temporal resolution, and provides a means by which to differentiate tissue such as distinguishing between reversibly and irreversibly injured myocardium. In particular, the latter aspect is a unique benefit of CMR compared with other noninvasive imaging modalities such as echocardiography and nuclear medicine, and provides novel information concerning the presence, size, transmurality, and prognosis of myocardial infarction. This article is intended to provide the reader with an overview of the various applications of CMR for the assessment of ischemic heart disease from a clinical perspective.
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Affiliation(s)
- Florian von Knobelsdorff-Brenkenhoff
- Working Group on Cardiovascular Magnetic Resonance, Medical University Berlin, Experimental Clinical Research Center, a joint cooperation of the Charité and the Max-Delbrueck-Center, Berlin, Germany
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Update on Dobutamine Stress Magnetic Resonance. CURRENT CARDIOVASCULAR IMAGING REPORTS 2012. [DOI: 10.1007/s12410-012-9126-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Heydari B, Jerosch-Herold M, Kwong RY. Assessment of myocardial ischemia with cardiovascular magnetic resonance. Prog Cardiovasc Dis 2011; 54:191-203. [PMID: 22014487 DOI: 10.1016/j.pcad.2011.09.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Assessment of myocardial ischemia in symptomatic patients remains a common and challenging clinical situation faced by physicians. Risk stratification by presence of ischemia provides important utility for both prognostic assessment and management. Unfortunately, current noninvasive modalities possess numerous limitations and have limited prognostic capacity. More recently, ischemia assessment by cardiovascular magnetic resonance (CMR) has been shown to be a safe, available, and potentially cost-effective alternative with both high diagnostic and prognostic accuracy. Cardiovascular magnetic resonance has numerous advantages over other noninvasive methods, including high temporal and spatial resolution, relatively few contraindications, and absence of ionizing radiation. Furthermore, studies assessing the clinical utility and cost effectiveness of CMR in the short-term setting for patients without evidence of an acute myocardial infarction have also demonstrated favorable results. This review will cover techniques of ischemia assessment with CMR by both stress-induced wall motion abnormalities as well as myocardial perfusion imaging. The diagnostic and prognostic performance studies will also be reviewed, and the use of CMR for ischemia assessment will be compared with other commonly used noninvasive modalities.
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Affiliation(s)
- Bobak Heydari
- Department of Cardiology, Brigham and Women's Hospital, Boston, MA 02215, USA
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16
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Abstract
Epidemiologic as well as clinical studies confirm the close link between diabetes mellitus and heart failure. Diabetic cardiomyopathy (DCM) is still a poorly understood "entity", however, with several contributing pathogenetic factors which lead in different stages of diabetes to characteristic clinical phenotypes. Hyperglycemia with a shift from glucose metabolism to increased beta-oxidation and consecutive free fatty acid damage (lipotoxicity) to the myocardium, insulin resistance, renin-angiotensin-aldosterone system (RAAS) activation, altered calcium homeostasis and structural changes from the natural collagen network to a stiffer matrix due to advanced glycation endproduct (AGE) formation, hypertrophy and fibrosis contribute to the respective clinical phenotypes of DCM. We propose the following classification of cardiomyopathy in diabetic patients: a) Diastolic heart failure with normal ejection fraction (HFNEF) in diabetic patients often associated with hypertrophy without relevant hypertension. Relevant coronary artery disease (CAD), valvular disease and uncontrolled hypertension are not present. This is referred to as stage 1 DCM. b) Systolic and diastolic heart failure with dilatation and reduced ejection (HFREF) in diabetic patients excluding relevant CAD, valvular disease and uncontrolled hypertension as stage 2 DCM. c) Systolic and/or diastolic heart failure in diabetic patients with small vessel disease (microvascular disease) and/or microbial infection and/or inflammation and/or hypertension but without CAD as stage 3 DCM. d) If heart failure may also be attributed to infarction or ischemia and remodeling in addition to stage 3 DCM the term should be heart failure in diabetes or stage 4 DCM. These clinical phenotypes of diabetic cardiomyopathy can be separated by biomarkers, non-invasive (echocardiography, cardiac magnetic resonance imaging) and invasive imaging methods (levocardiography, coronary angiography) and further analysed by endomyocardial biopsy for concomitant viral infection. The role of specific diabetic drivers to the clinical phenotypes, to macro- and microangiopathy as well as accompanying risk factors or confounders, e.g. hypertension, autoimmune factors or inflammation with or without viral persistence, need to be identified in each individual patient separately. Thus hyperglycemia, hyperinsulinemia and insulin resistance as well as lipotoxicity by free fatty acids (FFAs) are the factors responsible for diabetic cardiomyopathy. In stage 1 and 2 DCM diabetic cardiomyopathy is clearly a fact. However, precise determination of to what degree the various underlying pathogenetic processes are responsible for the overall heart failure phenotype remains a fiction.
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Chotenimitkhun R, Hundley WG. Pharmacological stress cardiovascular magnetic resonance. Postgrad Med 2011; 123:162-70. [PMID: 21566427 DOI: 10.3810/pgm.2011.05.2295] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Over the past decade, cardiovascular magnetic resonance (CMR) has evolved into a cardiac stress testing modality that can be used to diagnose myocardial ischemia using intravenous dobutamine or vasodilator perfusion agents such as adenosine or dipyridamole. Because CMR produces high-resolution tomographic images of the human heart in multiple imaging planes, it has become a highly attractive noninvasive testing modality for those suspected of having myocardial ischemia. The purpose of this article is to review the clinical, diagnostic, and prognostic utility of stress CMR testing for patients with (or suspected of having) coronary artery disease.
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Affiliation(s)
- Runyawan Chotenimitkhun
- Department of Internal Medicine, Cardiology Section, Wake Forest University School of Medicine, Winston-Salem, NC 27157-1045, USA
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18
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Circulation: Cardiovascular Imaging
Editors' Picks. Circ Cardiovasc Imaging 2011. [DOI: 10.1161/circimaging.111.967299] [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: 11/16/2022]
Abstract
The following are highlights from the new series,
Circulation: Cardiovascular Imaging
Topic Review. This series summarizes the most important articles, as selected by the editors, that have been published in the
Circulation
portfolio. The objective of this new series is to provide our readership with a timely, comprehensive selection of important articles that are relevant to the imaging and general cardiology audience. The studies included in this article represent the most significant research in the area of coronary artery disease.
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Gebker R, Frick M, Jahnke C, Berger A, Schneeweis C, Manka R, Kelle S, Klein C, Schnackenburg B, Fleck E, Paetsch I. Value of additional myocardial perfusion imaging during dobutamine stress magnetic resonance for the assessment of intermediate coronary artery disease. Int J Cardiovasc Imaging 2010; 28:89-97. [DOI: 10.1007/s10554-010-9764-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2010] [Accepted: 12/02/2010] [Indexed: 12/30/2022]
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Charoenpanichkit C, Hundley WG. The 20 year evolution of dobutamine stress cardiovascular magnetic resonance. J Cardiovasc Magn Reson 2010; 12:59. [PMID: 20977757 PMCID: PMC2984575 DOI: 10.1186/1532-429x-12-59] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2010] [Accepted: 10/26/2010] [Indexed: 01/03/2023] Open
Abstract
Over the past 20 years, investigators world-wide have developed and utilized dobutamine magnetic resonance stress testing procedures for the purpose of identifying ischemia, viability, and cardiac prognosis. This article traces these developments and reviews the data utilized to substantiate this relatively new noninvasive imaging procedure.
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Affiliation(s)
- Charaslak Charoenpanichkit
- Department of Internal Medicine Section on Cardiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
| | - W Gregory Hundley
- Department of Internal Medicine Section on Cardiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
- Department of Radiology, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA
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