1
|
Cinquino M, Demir SM, Shumba AT, Schioppa EJ, Fachechi L, Rizzi F, Qualtieri A, Patrono L, Mastronardi VM, De Vittorio M. Enhancing cardiovascular health monitoring: Simultaneous multi-artery cardiac markers recording with flexible and bio-compatible AlN piezoelectric sensors. Biosens Bioelectron 2024; 267:116790. [PMID: 39332253 DOI: 10.1016/j.bios.2024.116790] [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: 07/29/2024] [Revised: 09/10/2024] [Accepted: 09/16/2024] [Indexed: 09/29/2024]
Abstract
Continuous monitoring of cardiovascular parameters like pulse wave velocity (PWV), blood pressure wave (BPW), stiffness index (SI), reflection index (RI), mean arterial pressure (MAP), and cardio-ankle vascular index (CAVI) has significant clinical importance for the early diagnosis of cardiovascular diseases (CVDs). Standard approaches, including echocardiography, impedance cardiography, or hemodynamic monitoring, are hindered by expensive and bulky apparatus and accessibility only in specialized facilities. Moreover, noninvasive techniques like sphygmomanometry, electrocardiography, and arterial tonometry often lack accuracy due to external electrical interferences, artifacts produced by unreliable electrode contacts, misreading from placement errors, or failure in detecting transient issues and trends. Here, we report a bio-compatible, flexible, noninvasive, low-cost piezoelectric sensor for continuous and real-time cardiovascular monitoring. The sensor, utilizing a thin aluminum nitride film on a flexible Kapton substrate, is used to extract heart rate, blood pressure waves, pulse wave velocities, and cardio-ankle vascular index from four arterial pulse sites: carotid, brachial, radial, and posterior tibial arteries. This simultaneous recording, for the first time in the same experiment, allows to provide a comprehensive cardiovascular patient's health profile. In a test with a 28-year-old male subject, the sensor yielded the SI = 7.1 ± 0.2 m/s, RI = 54.4 ± 0.5 %, MAP = 86.2 ± 1.5 mmHg, CAVI = 7.8 ± 0.2, and seven PWVs from the combination of the four different arterial positions, in good agreement with the typical values reported in the literature. These findings make the proposed technology a powerful tool to facilitate personalized medical diagnosis in preventing CVDs.
Collapse
Affiliation(s)
- Marco Cinquino
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy.
| | - Suleyman Mahircan Demir
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy; Department of Electronics and Telecommunications, Politecnico di Torino, Corso Duca degli Abruzzi, Torino, TO, 10129, Italy
| | - Angela Tafadzwa Shumba
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy; Department of Innovation Engineering, University of Salento, Lecce, LE, 73100, Italy
| | - Enrico Junior Schioppa
- Inmatica S.p.A., BE-Pilot Palace, Strada Comunale Tufi, Monteroni di Lecce, LE, 73047, Italy
| | - Luca Fachechi
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy
| | - Francesco Rizzi
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy
| | - Antonio Qualtieri
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy
| | - Luigi Patrono
- Department of Innovation Engineering, University of Salento, Lecce, LE, 73100, Italy
| | - Vincenzo Mariano Mastronardi
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy; Department of Innovation Engineering, University of Salento, Lecce, LE, 73100, Italy.
| | - Massimo De Vittorio
- Center for Biomolecular Nanotechnologies, Istituto Italiano di Tecnologia, Arnesano, LE, 73010, Italy; Department of Innovation Engineering, University of Salento, Lecce, LE, 73100, Italy
| |
Collapse
|
2
|
Khan Mamun MMR, Elfouly T. Detection of Cardiovascular Disease from Clinical Parameters Using a One-Dimensional Convolutional Neural Network. Bioengineering (Basel) 2023; 10:796. [PMID: 37508823 PMCID: PMC10376462 DOI: 10.3390/bioengineering10070796] [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: 06/01/2023] [Revised: 06/29/2023] [Accepted: 06/30/2023] [Indexed: 07/30/2023] Open
Abstract
Heart disease is a significant public health problem, and early detection is crucial for effective treatment and management. Conventional and noninvasive techniques are cumbersome, time-consuming, inconvenient, expensive, and unsuitable for frequent measurement or diagnosis. With the advance of artificial intelligence (AI), new invasive techniques emerging in research are detecting heart conditions using machine learning (ML) and deep learning (DL). Machine learning models have been used with the publicly available dataset from the internet about heart health; in contrast, deep learning techniques have recently been applied to analyze electrocardiograms (ECG) or similar vital data to detect heart diseases. Significant limitations of these datasets are their small size regarding the number of patients and features and the fact that many are imbalanced datasets. Furthermore, the trained models must be more reliable and accurate in medical settings. This study proposes a hybrid one-dimensional convolutional neural network (1D CNN), which uses a large dataset accumulated from online survey data and selected features using feature selection algorithms. The 1D CNN proved to show better accuracy compared to contemporary machine learning algorithms and artificial neural networks. The non-coronary heart disease (no-CHD) and CHD validation data showed an accuracy of 80.1% and 76.9%, respectively. The model was compared with an artificial neural network, random forest, AdaBoost, and a support vector machine. Overall, 1D CNN proved to show better performance in terms of accuracy, false negative rates, and false positive rates. Similar strategies were applied for four more heart conditions, and the analysis proved that using the hybrid 1D CNN produced better accuracy.
Collapse
Affiliation(s)
| | - Tarek Elfouly
- Department of Electrical and Computer Engineering, Tennessee Technological University, Cookeville, TN 38505, USA
| |
Collapse
|
3
|
Arai AE, Schulz-Menger J, Berman D, Mahrholdt H, Han Y, Bandettini WP, Gutberlet M, Abraham A, Woodard PK, Selvanayagam JB, McCann GP, Hamilton-Craig C, Schoepf UJ, San Tan R, Kramer CM, Friedrich MG, Haverstock D, Liu Z, Brueggenwerth G, Bacher-Stier C, Santiuste M, Pennell DJ, Pennell D, Schulz-Menger J, Mahrholdt H, Gutberlet M, Kramer U, von der Recke G, Nassenstein K, Tillmanns C, Taupitz M, Pache G, Mohrs O, Lotz J, Ko SM, Choo KS, Sung YM, Kang JW, Muzzarelli S, Valeti U, McCann G, Binukrishnam S, Croisille P, Jacquier A, Cowan B, Arai A, Berman D, Shah D, Bandettini WP, Han Y, Woodard P, Avery R, Schoepf J, Carr J, Kramer C, Flamm S, Harsinghani M, Lerakis S, Kim R, Raman S, Marcotte F, Islam A, Friedrich M, Abraham A, Selvanayagam J, Hamilton-Craig C, Chong WK, San Lynette Teo L, San Tan R. Gadobutrol-Enhanced Cardiac Magnetic Resonance Imaging for Detection of Coronary Artery Disease. J Am Coll Cardiol 2020; 76:1536-1547. [DOI: 10.1016/j.jacc.2020.07.060] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/20/2020] [Accepted: 07/29/2020] [Indexed: 11/26/2022]
|
4
|
Kiaos A, Tziatzios I, Hadjimiltiades S, Karvounis C, Karamitsos TD. Data on diagnostic performance of stress perfusion cardiac magnetic resonance for coronary artery disease detection at the vessel level. Data Brief 2017. [PMID: 29541674 PMCID: PMC5847623 DOI: 10.1016/j.dib.2017.11.096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Stress perfusion cardiac magnetic resonance (CMR) has been proposed as an important gatekeeper for invasive coronary angiography (ICA) and percutaneous coronary interventions (PCI) in patients evaluated for possible coronary artery disease (CAD) (Fihn et al., 2012; Montalescot et al., 2013) [1], [2]. Several meta-analyses have evaluated the accuracy of stress perfusion CMR to diagnose CAD at the vessel level (Danad et al., 2017; Dai et al., 2016; Jiang et al., 2016; Takx et al., 2015; Li et al., 2015; Desai and Jha, 2013; Jaarsma et al. 2012; Hamon et al., 2010; Nandalur et al. 2007) [3], [4], [5], [6], [7], [8], [9], [10], [11]. However, they included in the same analysis studies with different definitions of significant CAD (i.e. fractional flow reserve [FFR] < 0.75 and < 0.80 or coronary stenosis ≥ 50% and ≥ 70%), magnetic field strength (1.5 or 3 Tesla [T]), and study protocol (integration or not of late gadolinium enhancement [LGE] into stress perfusion protocol). Data of 34 studies (6091 arteries) have been pooled with the aim of analyzing the accuracy of stress perfusion CMR for the diagnosis of ischemic heart disease at the vessel level according to different definitions of significant CAD, magnetic field strength and study protocol (Arnold et al., 2010; Bettencourt et al., 2013; Cheng et al., 2007; Chiribiri et al., 2013; Cury et al., 2006; De Mello et al., 2012; Donati et al., 2010; Ebersberger et al., 2013; Gebker et al., 2008; Greulich et al., 2015; Hussain et al., 2016; Ishida et al., 2005, 2003; Kamiya et al., 2014; Kitagawa et al., 2008; Klein et al., 2008; Klem et al., 2006; Klumpp et al., 2010; Krittayaphong et al., 2009; Lockie et al., 2011; Ma et al., 2012; Merkle et al., 2007; Meyer et al., 2008; Mor-Avi et al., 2008; Pan et al., 2015; Papanastasiou et al., 2016; Pons Lladó et al., 2004; Sakuma et al., 2005; Salerno et al., 2014; Scheffel et al., 2010; van Werkhoven et al., 2010; Walcher et al., 2013; Watkins et al., 2009; Yun et al., 2015) [12–45]. This article describes data related article titled “Diagnostic Performance of Stress Perfusion Cardiac Magnetic Resonance for the Detection of Coronary Artery Disease” (Kiaos et al., submitted for publication) [46].
Collapse
Affiliation(s)
- Apostolos Kiaos
- 1st Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis Tziatzios
- 1st Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stavros Hadjimiltiades
- 1st Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Charalambos Karvounis
- 1st Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Theodoros D Karamitsos
- 1st Department of Cardiology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| |
Collapse
|
5
|
Fang YHD, Liu YC, Ho KC, Kuo FC, Yang CF, Yen TC, Hsieh IC. Single-scan rest/stress imaging with 99mTc-Sestamibi and cadmium zinc telluride-based SPECT for hyperemic flow quantification: A feasibility study evaluated with cardiac magnetic resonance imaging. PLoS One 2017; 12:e0183402. [PMID: 28817662 PMCID: PMC5560722 DOI: 10.1371/journal.pone.0183402] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 07/14/2017] [Indexed: 12/21/2022] Open
Abstract
Introduction We aimed to evaluate whether the hyperemic myocardial blood flow (MBF) can be estimated using cadmium zinc telluride (CZT)-based single-photon emission computed tomography (SPECT) cameras with a single, rapid rest/stress dynamic scan. Dynamic contrast-enhanced (DCE) cardiac magnetic resonance imaging (MRI) was used as a reference modality for flow measurement. Materials and methods The proposed protocol included both the rest and stress acquisitions within a 24-min scan. Patients were first injected with 99mTc-Sestamibi at the resting state. Sixty minutes after the first injection, the subject was positioned via scintigraphy, after which the list-mode data acquisition was initiated and continued for 24 minutes. Five minutes after data acquisition was initiated, a stressed state was induced via dipyridamole infusion, after which a second dose of 99mTc-Sestamibi was injected. Dynamic SPECT images were reconstructed for all subjects, who also underwent T1-weighted cardiac DCE-MRI performed on days other than those of the SPECT studies. MBF values were estimated for the rest and stress MRI studies, and for the stress portion of the SPECT study. The SPECT-measured hyperemic MBF was compared with the MR-measured hyperemic MBF and coronary flow reserve (CFR), based on the regions of interest. Results A total of 30 subjects were included in this study. The hyperemic MBF estimated from SPECT showed a strong correlation with the MR-measured hyperemic MBF (r2 = 0.76) and a modest correlation with the MR-measured CFR (r2 = 0.56). Using MR-measured CFR <1.3 as a cutoff for coronary stenosis, we found that the SPECT-measured hyperemic MBF served as a useful clinical index with 94% sensitivity, 90% specificity, and 93% accuracy. Conclusions Hyperemic MBF can be measured with a rapid, single-scan rest/stress study with CZT-based SPECT cameras.
Collapse
Affiliation(s)
- Yu-Hua Dean Fang
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Yuan-Chang Liu
- Department of Medical Imaging and Intervention, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Kung-Chu Ho
- Department of Nuclear Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Feng-Cheng Kuo
- Department of Nuclear Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Ching-Fang Yang
- Department of Medical Imaging and Radiological Sciences, Chang Gung University, Taoyuan, Taiwan
| | - Tzu-Chen Yen
- Department of Nuclear Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan
- Center for Advanced Molecular Imaging and Translation & Cyclotron Center, Chang Gung Memorial Hospital, Linkou, Taiwan
- * E-mail: (TY); (IH)
| | - I-Chang Hsieh
- Department of Cardiology, Chang Gung Memorial Hospital, Linkou, Taiwan
- * E-mail: (TY); (IH)
| |
Collapse
|
6
|
Measuring myocardial perfusion: the role of PET, MRI and CT. Clin Radiol 2015; 70:576-84. [DOI: 10.1016/j.crad.2014.12.017] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 12/11/2014] [Accepted: 12/29/2014] [Indexed: 02/08/2023]
|
7
|
Lim J, Park EA, Lee W, Shim H, Chung JW. Image quality and radiation reduction of 320-row area detector CT coronary angiography with optimal tube voltage selection and an automatic exposure control system: comparison with body mass index-adapted protocol. Int J Cardiovasc Imaging 2015; 31 Suppl 1:23-30. [DOI: 10.1007/s10554-015-0594-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Accepted: 01/14/2015] [Indexed: 10/24/2022]
|
8
|
Comparison of MR and CT for the Assessment of the Significance of Coronary Artery Disease: a Review. CURRENT CARDIOVASCULAR IMAGING REPORTS 2013. [DOI: 10.1007/s12410-012-9186-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
|
9
|
Abstract
The haemodynamic effect of a coronary artery stenosis is a better predictor of prognosis than anatomical lumen obstruction. Until recently, no individual non-invasive test could provide both accurate coronary anatomy and lesion-specific myocardial ischaemia. However, computer tomography (CT) fractional flow reserve, which can be calculated from a standard CT coronary angiogram, was recently demonstrated to accurately detect and rule out the haemodynamic significance of individual coronary artery stenoses.
Collapse
|
10
|
Donato P, Ferreira MJ, Silva V, Pinto A, Caseiro-Alves F, Providência LA. Cardiac magnetic resonance stress perfusion: A single-center study. REVISTA PORTUGUESA DE CARDIOLOGIA (ENGLISH EDITION) 2013. [DOI: 10.1016/j.repce.2012.11.003] [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] Open
|
11
|
Donato P, Ferreira MJ, Silva V, Pinto A, Caseiro-Alves F, Providência LA. Ressonância magnética cardíaca de perfusão em stress: a experiência de um centro nacional. Rev Port Cardiol 2013. [DOI: 10.1016/j.repc.2012.05.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
|
12
|
La risonanza magnetica cardiovascolare nella valutazione dello scompenso cardiaco: dalla morfologia alla caratterizzazione tissutale. J Cardiovasc Echogr 2012. [DOI: 10.1016/j.jcecho.2012.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
|
13
|
de Jong MC, Genders TSS, van Geuns RJ, Moelker A, Hunink MGM. Diagnostic performance of stress myocardial perfusion imaging for coronary artery disease: a systematic review and meta-analysis. Eur Radiol 2012; 22:1881-95. [PMID: 22527375 PMCID: PMC3411304 DOI: 10.1007/s00330-012-2434-1] [Citation(s) in RCA: 108] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 01/23/2012] [Accepted: 02/04/2012] [Indexed: 12/11/2022]
Abstract
Objectives To determine and compare the diagnostic performance of stress myocardial perfusion imaging (MPI) for the diagnosis of obstructive coronary artery disease (CAD), using conventional coronary angiography (CCA) as the reference standard. Methods We searched Medline and Embase for literature that evaluated stress MPI for the diagnosis of obstructive CAD using magnetic resonance imaging (MRI), contrast-enhanced echocardiography (ECHO), single-photon emission computed tomography (SPECT) and positron emission tomography (PET). Results All pooled analyses were based on random effects models. Articles on MRI yielded a total of 2,970 patients from 28 studies, articles on ECHO yielded a sample size of 795 from 10 studies, articles on SPECT yielded 1,323 from 13 studies. For CAD defined as either at least 50 %, at least 70 % or at least 75 % lumen diameter reduction on CCA, the natural logarithms of the diagnostic odds ratio (lnDOR) for MRI (3.63; 95 % CI 3.26–4.00) was significantly higher compared to that of SPECT (2.76; 95 % CI 2.28–3.25; P = 0.006) and that of ECHO (2.83; 95 % CI 2.29–3.37; P = 0.02). There was no significant difference between the lnDOR of SPECT and ECHO (P = 0.52). Conclusion Our results suggest that MRI is superior for the diagnosis of obstructive CAD compared with ECHO and SPECT. ECHO and SPECT demonstrated similar diagnostic performance. Key Points • MRI can assess myocardial perfusion. • MR perfusion diagnoses coronary artery disease better than echocardiography or SPECT. • Echocardiography and SPECT have similar diagnostic performance. • MRI can save coronary artery disease patients from more invasive tests. • MRI and SPECT show evidence of publication bias, implying possible overestimation. Electronic supplementary material The online version of this article (doi:10.1007/s00330-012-2434-1) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Marcus C de Jong
- Department of Epidemiology, Erasmus MC - University Medical Center Rotterdam, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands
| | | | | | | | | |
Collapse
|
14
|
Ma H, Yang J, Liu J, Ge L, An J, Tang Q, Li H, Zhang Y, Chen D, Wang Y, Liu J, Liang Z, Lin K, Jin L, Bi X, Li K, Li D. Myocardial perfusion magnetic resonance imaging using sliding-window conjugate-gradient highly constrained back-projection reconstruction for detection of coronary artery disease. Am J Cardiol 2012; 109:1137-41. [PMID: 22264595 DOI: 10.1016/j.amjcard.2011.11.051] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Revised: 11/30/2011] [Accepted: 11/30/2011] [Indexed: 11/17/2022]
Abstract
Myocardial perfusion magnetic resonance imaging (MRI) with sliding-window conjugate-gradient highly constrained back-projection reconstruction (SW-CG-HYPR) allows whole left ventricular coverage, improved temporal and spatial resolution and signal/noise ratio, and reduced cardiac motion-related image artifacts. The accuracy of this technique for detecting coronary artery disease (CAD) has not been determined in a large number of patients. We prospectively evaluated the diagnostic performance of myocardial perfusion MRI with SW-CG-HYPR in patients with suspected CAD. A total of 50 consecutive patients who were scheduled for coronary angiography with suspected CAD underwent myocardial perfusion MRI with SW-CG-HYPR at 3.0 T. The perfusion defects were interpreted qualitatively by 2 blinded observers and were correlated with x-ray angiographic stenoses ≥50%. The prevalence of CAD was 56%. In the per-patient analysis, the sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of SW-CG-HYPR was 96% (95% confidence interval 82% to 100%), 82% (95% confidence interval 60% to 95%), 87% (95% confidence interval 70% to 96%), 95% (95% confidence interval 74% to100%), and 90% (95% confidence interval 82% to 98%), respectively. In the per-vessel analysis, the corresponding values were 98% (95% confidence interval 91% to 100%), 89% (95% confidence interval 80% to 94%), 86% (95% confidence interval 76% to 93%), 99% (95% confidence interval 93% to 100%), and 93% (95% confidence interval 89% to 97%), respectively. In conclusion, myocardial perfusion MRI using SW-CG-HYPR allows whole left ventricular coverage and high resolution and has high diagnostic accuracy in patients with suspected CAD.
Collapse
Affiliation(s)
- Heng Ma
- Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Multicenter Studies on Cardiac Magnetic Resonance Perfusion and Delayed Enhancement Imaging. CURRENT CARDIOVASCULAR IMAGING REPORTS 2012. [DOI: 10.1007/s12410-012-9124-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
|
16
|
Khan AM, Litt H, Ferrari V, Han Y. Cardiac Magnetic Resonance Imaging in Ischemic Heart Disease. PET Clin 2011; 6:453-73. [DOI: 10.1016/j.cpet.2011.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
17
|
Schwitter J, Arai AE. Assessment of cardiac ischaemia and viability: role of cardiovascular magnetic resonance. Eur Heart J 2011; 32:799-809. [PMID: 21398645 PMCID: PMC3069387 DOI: 10.1093/eurheartj/ehq481] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2010] [Revised: 12/05/2010] [Accepted: 12/09/2010] [Indexed: 11/26/2022] Open
Abstract
Over the past years, cardiovascular magnetic resonance (CMR) has proven its efficacy in large clinical trials, and consequently, the assessment of function, viability, and ischaemia by CMR is now an integrated part of the diagnostic armamentarium in cardiology. By combining these CMR applications, coronary artery disease (CAD) can be detected in its early stages and this allows for interventions with the goal to reduce complications of CAD such as infarcts and subsequently chronic heart failure (CHF). As the CMR examinations are robust and reproducible and do not expose patients to radiation, they are ideally suited for repetitive studies without harm to the patients. Since CAD is a chronic disease, the option to monitor CAD regularly by CMR over many decades is highly valuable. Cardiovascular magnetic resonance also progressed recently in the setting of acute coronary syndromes. In this situation, CMR allows for important differential diagnoses. Cardiovascular magnetic resonance also delineates precisely the different tissue components in acute myocardial infarction such as necrosis, microvascular obstruction (MVO), haemorrhage, and oedema, i.e. area at risk. With these features, CMR might also become the preferred tool to investigate novel treatment strategies in clinical research. Finally, in CHF patients, the versatility of CMR to assess function, flow, perfusion, and viability and to characterize tissue is helpful to narrow the differential diagnosis and to monitor treatment.
Collapse
Affiliation(s)
- Juerg Schwitter
- Department of Cardiology, University Hospital Lausanne-CHUV, Rue du Bugnon 46, Lausanne, Switzerland.
| | | |
Collapse
|
18
|
Late Gadolinium-Enhanced Cardiovascular MRI at End-Systole: Feasibility Study. AJR Am J Roentgenol 2010; 195:1088-94. [DOI: 10.2214/ajr.09.3860] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
19
|
Kitagawa K, Choi BW, Chan C, Jinzaki M, Tsai IC, Yong HS, Yu W. ASCI 2010 appropriateness criteria for cardiac magnetic resonance imaging: a report of the Asian Society of Cardiovascular Imaging cardiac computed tomography and cardiac magnetic resonance imaging guideline working group. Int J Cardiovasc Imaging 2010; 26:173-86. [PMID: 20734234 PMCID: PMC3252886 DOI: 10.1007/s10554-010-9687-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2010] [Accepted: 08/11/2010] [Indexed: 01/16/2023]
Abstract
There has been a growing need for standard Asian population guidelines for cardiac CT and cardiac MR due to differences in culture, healthcare system, ethnicity and disease prevalence. The Asian Society of Cardiovascular Imaging, as the only society dedicated to cardiovascular imaging in Asia, formed a cardiac CT and cardiac MR guideline working group in order to help Asian practitioners to establish cardiac CT and cardiac MR services. In this ASCI cardiac MR appropriateness criteria report, 23 Technical Panel members representing various Asian countries were invited to rate 50 indications that can frequently be encountered in clinical practice in Asia. Indications were rated on a scale of 1–9 to be categorized into ‘appropriate’ (7–9), ‘uncertain’ (4–6), or ‘inappropriate’ (1–3). According to median scores of the 23 members, the final ratings for indications were 24 appropriate, 18 uncertain and 8 inappropriate with 22 ‘highly-agreed’ (19 appropriate and 3 inappropriate) indications. This report is expected to have a significant impact on the cardiac MR practices in many Asian countries by promoting the appropriate use of cardiac MR.
Collapse
|
20
|
Abstract
Considerable progress has been made in cardiac magnetic resonance imaging (MRI). Cine MRI is recognized as the most accurate method for evaluating ventricular function. Late gadolinium-enhanced MRI can clearly delineate subendocardial infarction, and the assessment of transmural extent of infarction on MRI is widely useful for predicting myocardial viability. Stress myocardial perfusion MRI allows for detection of subendocardial myocardial ischemia, and the diagnostic accuracy of stress perfusion MRI is superior to stress perfusion single-photon emission computed tomography in patients with multivessel coronary artery disease (CAD). In recent years, image quality, volume coverage, acquisition speed and arterial contrast of 3-dimensional coronary magnetic resonance angiography (MRA) have been substantially improved with use of steady-state free precession sequences and parallel imaging techniques, permitting the acquisition of high-quality, whole-heart coronary MRA within a reasonably short imaging time. It is now widely recognized that cardiac MRI has tremendous potential for the evaluation of ischemic heart disease. However, cardiac MRI is technically complicated and its use in clinical practice is relatively limited. With further improvements in education and training, as well as standardization of appropriate study protocols, cardiac MRI will play a central role in managing patients with CAD.
Collapse
Affiliation(s)
- Masaki Ishida
- Department of Radiology, Mie University Hospital, Tsu, Japan
| | | | | |
Collapse
|
21
|
Turkbey EB, Dombroski DA. Cardiac Magnetic Resonance Imaging: Techniques and Clinical Applications. Semin Roentgenol 2009; 44:67-83. [PMID: 19233083 DOI: 10.1053/j.ro.2008.12.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
22
|
Frauenfelder T, Appenzeller P, Karlo C, Scheffel H, Desbiolles L, Stolzmann P, Marincek B, Alkadhi H, Schertler T. Triple rule-out CT in the emergency department: protocols and spectrum of imaging findings. Eur Radiol 2008; 19:789-99. [DOI: 10.1007/s00330-008-1231-3] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2008] [Revised: 10/02/2008] [Accepted: 10/09/2008] [Indexed: 10/21/2022]
|