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Cardiac Imaging
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Your search returned 33 results
from the time period: last 30 days.
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European heart journal
Strategies for radiation dose reduction in nuclear cardiology and cardiac computed tomography imaging: a report from the European Association of Cardiovascular Imaging (EACVI), the Cardiovascular Committee of European Association of Nuclear Medicine (EANM), and the European Society of Cardiovascular Radiology (ESCR)..
The international journal of cardiovascular imaging
The purpose of this work was to develop a framework for 3D fusion of CT coronary angiography (CTCA) and whole-heart dynamic 3D cardiac magnetic resonance perfusion (3D-CMR-Perf) image data-correlating coronary artery stenoses to stress-induced myocardial perfusion deficits for the assessment of coronary artery disease (CAD). Twenty-three patients who underwent CTCA and 3D-CMR-Perf for various indications were included retrospectively. For CTCA, image quality and coronary diameter stenoses > 50% were documented. For 3D-CMR-Perf, image quality and stress-induced perfusion deficits were noted. A software framework was developed to allow for 3D image fusion of both datasets. Computation steps included: (1) fully automated segmentation of coronary arteries and heart contours from CT; (2) manual segmentation of the left ventricle in 3D-CMR-Perf images; (3) semi-automatic co-registration of CT/CMR datasets; (4) projection of the 3D-CMR-Perf values on the CT left ventricle. 3D fusion analysis was compared to separate inspection of CTCA and 3D-CMR-Perf data. CT and CMR scans resulted in an image quality being rated as good to excellent (mean scores 3.5 ± 0.5 and 3.7 ± 0.4, respectively, scale 1-4). 3D-fusion was feasible in all 23 patients, and perfusion deficits could be correlated to culprit coronary lesions in all but one case (22/23 = 96%). Compared to separate analysis of CT and CMR data, coronary supply territories of 3D-CMR-Perf perfusion deficits were refined in two cases (2/23 = 9%), and the relevance of stenoses in CTCA was re-judged in four cases (4/23 = 17%). In conclusion, 3D fusion of CTCA/3D-CMR-Perf facilitates anatomic correlation of coronary lesions and stress-induced myocardial perfusion deficits thereby helping to refine diagnostic assessment of CAD.
Pathologic Constriction (2), Coronary Artery Disease (2), Coronary Stenosis (1), more mentions
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
... AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons ...
Cardiovascular Diseases (7)
Heart Diseases (4), Heart Valve Diseases (2), Cardiovascular Diseases (1), more mentions
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology
... AUC) documents developed by the American College of Cardiology, American Association for Thoracic Surgery, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, Heart Rhythm Society, Society for Cardiovascular Angiography and Interventions, Society of Cardiovascular Computed Tomography, Society for Cardiovascular Magnetic Resonance, and Society of Thoracic Surgeons ...
Cardiovascular Diseases (7)
Heart Diseases (3), Heart Valve Diseases (3), Cardiovascular Diseases (1), more mentions
Anesthesia and analgesia
We aimed to quantify the prevalence of significant CAD in patients with and without PMI using coronary computed tomography angiography (CCTA) AbstractText: This prospective cohort study included patients of 60 years or older without a history of cardiac disease and with and without PMI after intermediate- to high-risk noncardiac ...
Heart Diseases (3), Pulmonary Embolism (2), Coronary Artery Disease (1), more mentions
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology
Abstract: Several original articles and editorials have been published in the Journal of Nuclear Cardiology in 2017. It has become a tradition at the beginning of each year to summarize some of these key articles in 2 sister reviews. In this first part one, we will discuss some of the progress made in the field of heart failure (cardio-oncology ...
Oncology (2)
Heart Failure (2), more mentions
Journal of the American College of Radiology : JACR
Aortic stenosis is a common valvular condition with increasing prevalence in aging populations. When severe and symptomatic, the downstream prognosis is poor without surgical or transcatheter aortic valve replacement. Transcatheter aortic valve replacement is now considered a viable alternative to surgical aortic valve replacement in patients considered high and intermediate risk for surgery. Pre-intervention imaging with echocardiography and CT are essential for procedure planning and device selection to help optimize clinical outcomes with MR angiography playing largely a complementary role. Modern 3-D cross-sectional imaging has consistently shown to help reduce procedural complications from vascular access injury to paravalvular regurgitation and coronary obstruction. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.
Aortic Valve Stenosis (2), more mentions
Cardiology
AbstractText: Shift work disrupts the normal circadian rhythm and is associated with risk factors for coronary artery disease (CAD) and a higher incidence of CAD morbidity and mortality. Cardiac computed tomography angiography (CCTA) is a robust noninvasive modality for assessing the presence, extent, and severity of CAD... Keyword: Coronary CT angiography. Keyword: Coronary artery disease.
Coronary Artery Disease (3), Pathologic Constriction (1), more mentions
The American journal of cardiology
Abstract: Fractional flow reserve (FFR) derived from coronary computed tomography angiography (CTA) is a new technique for the diagnosis of ischemic coronary artery stenoses. The aim of this prospective study was to evaluate the diagnostic performance of a novel on-site computed tomography-based fractional flow reserve algorithm (CT-FFR) compared with invasive FFR as the gold standard, and to ...
Pathologic Constriction (2), Coronary Stenosis (2), more mentions
Medicine
Coronary angiography and cardiac computed tomography revealed that 2 coronary arteries joined together at the distal end and directly drained into the left ventricular cavity bypassing the myocardial capillary vessels. We started medical treatment for heart failure with an angiotensin-converting-enzyme inhibitor, loop diuretic, and spironolactone AbstractText: The pulmonary edema improved rapidly.
Cardiovascular Diseases (1)
Fistula (5), Dyspnea (2), Pulmonary Edema (2), more mentions
European radiology
AbstractText: To evaluate the clinical significance of discrepant lesions between coronary computed tomography angiography (CCTA) and invasive coronary angiography (ICA) in a longitudinal study AbstractText: In 220 patients with suspected coronary artery disease (CAD) who underwent both 256-row CCTA and ICA, the obstructive CAD (≥ 50% stenosis) on CCTA was ...
Cardiovascular Diseases (1)
Pathologic Constriction (2), Coronary Artery Disease (2), Acute Coronary Syndrome (1), more mentions
European radiology
AbstractText: Coronary computed tomography angiography (CTA) has been established as an accurate method to non-invasively assess coronary artery disease (CAD. The proposed 'Coronary Artery Disease Reporting and Data System' (CAD-RADS) may enable standardised reporting of the broad spectrum of coronary CTA findings related to the presence, extent and composition of coronary atherosclerosis.
Cardiovascular Diseases (1)
Coronary Artery Disease (3), Coronary Arteriosclerosis (1), Coronary Stenosis (1), more mentions
Circulation
The final diagnosis was centrally adjudicated by two independent cardiologists using all available information including cardiac imaging. Safety was quantified as sensitivity in the rule-out zone, accuracy as the specificity in the rule-in zone, and efficacy as the proportion of the overall cohort assigned to either rule-out or rule-in based on the 0h- and 1h-sample.
Kidney Disease (1)
Myocardial Infarction (3), more mentions
Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology
... AbstractText: Qualitative and quantitative CMR analysis methods show similar diagnostic accuracy for the diagnosis of AM. These findings suggest that a simplified approach using a shortened CMR protocol including only T2-weighted STIR sequences might be useful to rule out AM in patients with acute coronary syndrome and normal coronary angiography Keyword: Myocarditis. Keyword: cardiac imaging. Keyword: magnetic resonance imaging.
Cardiovascular Diseases (1)
Myocarditis (3), Heart Diseases (1), Acute Coronary Syndrome (1), more mentions
Journal of cardiovascular electrophysiology
We aimed to examine whether certain cardiac imaging characteristics are associated with papillary muscle origin of ventricular arrhythmias in these patients AbstractText: We screened electronic medical records of all patients documented to have mitral valve prolapse on either transthoracic echocardiography (TTE) or cardiac magnetic resonance imaging (CMR) in our center ...
Cardiac Arrhythmia (5), Mitral Valve Prolapse (5), Prolapse (4), more mentions
Medical image analysis
A wide range of analysis methods offer sophisticated cardiac image assessment and quantification for clinical and research studies... First, we propose a fully automatic method for initializing cardiac MRI segmentation, by using image features and random forests regression to ... a full pipeline for cardiac segmentation applicable to large-scale cardiac MRI databases.
The American journal of cardiology
Abstract: This study investigated the performance of coronary computed tomography angiography (cCTA) with cCTA-derived fractional flow reserve (CT-FFR) compared with invasive coronary angiography (ICA) with fractional flow reserve (FFR) for therapeutic decision making in patients with suspected coronary artery disease (CAD. Seventy-four patients (62 ± 11 years, 62% men) with at least 1 coronary stenosis of ≥50% on ...
Coronary Artery Disease (1), Coronary Stenosis (1), more mentions
Heart (British Cardiac Society)
... for detection of CAD AbstractText: We included 1675 patients consecutively with low to intermediate likelihood of CAD who had been referred for cardiac CT angiography... could potentially supplement clinical assessment to guide decisions on the need for further diagnostic investigation AbstractText: ClinicalTrials.gov identifier NCT02264717; Results Keyword: cardiac imaging and diagnostics.
Coronary Artery Disease (3), Coronary Disease (1), more mentions
Heart (British Cardiac Society)
The extent of heart damage after an acute MI is informed by cardiac imaging, typically using echocardiography or sometimes, cardiac magnetic resonance (CMR... left ventricular (LV) function can bridge the gap towards personalised medicine using cardiac imaging in patients with post-MI... Keyword: advanced cardiac imaging. Keyword: cardiac imaging and diagnostics.
Myocardial Infarction (3), Heart Failure (1), Cardiac Sudden Death (1), more mentions
JACC. Cardiovascular imaging
... and the understanding of the association between CAC progression and coronary plaque subtypes such as noncalcified plaque progression remains unclear AbstractText: Consecutive patients who were referred to our clinic for evaluation and had serial coronary computed tomography angiography scans performed were included in the study... Keyword: coronary computed tomography angiography.
Cardiovascular Diseases (3)
Coronary Disease (1), Coronary Arteriosclerosis (1), more mentions
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