Imaging the myocardial ischemic cascade
AbstractNon-invasive imaging plays a growing role in the diagnosis and management of ischemic heart disease from its earliest manifestations of endothelial dysfunction to myocardial infarction along the myocardial ischemic cascade. Experts representing the North American Society for Cardiovascular Imaging and the European Society of Cardiac Radiology have worked together to organize the role of non-invasive imaging along the framework of the ischemic cascade. The current status of non-invasive imaging for ischemic heart disease is reviewed along with the role of imaging for guiding surgical planning. The issue of cost effe...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Cardiac computed tomography compared with two-dimensional transesophageal echocardiography for the detection and assessment of atrial septal pouches
AbstractThe aim of this study is to compare the two-dimensional transesophageal echocardiography (2D-TEE) with multi-slice computed tomography (MSCT) and with autopsied material to evaluate the ability and precision of the imaging methods for the detection and assessment of septal pouch (SP). One hundred and fifty patients that underwent both 2D-TEE and MSCT and 50 autopsied human hearts were investigated. In MSCT, the interatrial septum was classified as a left SP in 37.3%, right SP in 3.3%, and patent foramen ovale (PFO) channel in 3.3%. In 2D-TEE, the interatrial septum was classified as a left SP in 39.3%, right SP in ...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Influence of tube potential on quantitative coronary plaque analyses by low radiation dose computed tomography: a phantom study
AbstractPrevious studies have shown that employing the low dose computed tomography (CT) technique based on low tube potential reduces the radiation dose required for the coronary artery examination protocol. However, low tube potential may adversely influence the CT number of plaque composition. Therefore, we aimed to determine whether quantitative atherosclerotic plaque analysis by a multi-slice, low radiation dose CT protocol using 80 kilovolts (kV) yields results comparable to those of the standard 120  kV protocol. Artificial plaque samples (n = 17) composed of three kinds of plaque were scanned at ...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Implication of coronary CT angiography combined with four-dimensional speckle tracking echocardiography for predicting major adverse cardiac events
AbstractCoronary computed tomography angiography (CCTA) can provide abundant information about the anatomy of the coronary artery. However, this modality is limited in evaluation of myocardial function. Four-dimensional speckle tracking echocardiography (4DSTE) is a novel and sensitive technique for quantitative evaluation of myocardial deformation. We estimated the value of these imaging modalities to predict the risk of MACE in 209 patients with suspected coronary artery disease(CAD) after a median follow-up of 727 days. Three models were established: (1) CCTA alone, (2) CCTA combined with 4DSTE, and (3) CCTA combined wi...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Diffuse fibrosis is common in the left, but not in the right ventricle in patients with transposition of the great arteries late after atrial switch operation
AbstractIn adult patients with transposition of the great arteries (TGA) late after atrial switch operation (AtSO), each of the ventricles is faced with a profoundly different pressure regimen from the one they are meant to support in normal conditions. The extent of diffuse fibrosis of the right ventricle (RV) and left ventricle (LV) in these patients remains incompletely investigated. Aim of this study was to quantify the degree of fibrosis of the unloaded LV and of the overloaded RV by determining the myocardial extracellular volume (ECV) with non-invasive techniques as T1 mapping. We determined ECV by cardiac magnetic ...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Functional classification of aortic regurgitation using cardiac computed tomography: comparison with surgical inspection
AbstractIn patients with aortic regurgitation (AR), a precise preoperative assessment of aortic valve (AV) pathology is important if AV repair or sparing operation is an alternative option. The aim of this study was to assess the diagnostic accuracy of computed tomography (CT) for evaluating the AR mechanism compared with surgical inspection. 59 patients with AR who underwent AV surgery and preoperative cardiac CT were evaluated. AR mechanism was classified into type 1 (aortic dilatation or cusp perforation), type 2 (prolapsed cusp) and type 3 (cusp retraction). Agreement between CT and surgical inspection was obtained. Co...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Noise reduction technology reduces radiation dose in chronic total occlusions percutaneous coronary intervention: a propensity score-matched analysis
In conclusion, compared with a Standard system, the use of NRT i n CTO PCI is associated with lower patient radiation dose and similar image quality. (Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Three-dimensional full automated software in the evaluation of the left ventricle function: from theory to clinical practice
AbstractLeft ventricular systolic function evaluation is an essential part of all transthoracic echocardiographic (TTE) studies. 3D echocardiography (3DE) is superior to 2D and is recommended as the method of choice. However, since it is time consuming and requires training, it is rarely performed. Different automatic analysis software tries to overcome these limitations but they need to be accurate and reproducible before they can be used clinically. The aim of this study was to test the accuracy and reproducibility of new 3D automatic quantitative software in everyday clinical practice. 69 patients referred to our Echo L...
Source: The International Journal of Cardiovascular Imaging - July 19, 2018 Category: Radiology Source Type: research

Correction to: Left atrial myocardial dysfunction after chronic abuse of anabolic androgenic steroids: a speckle tracking echocardiography analysis
In the original publication of the article, the seventh author name “Giampaolo Tocci” has been misspelt. The correct name is given in this. (Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - July 17, 2018 Category: Radiology Source Type: research

Relationship between cardiovascular risk factors and myocardial strain values of both ventricles in asymptomatic Asian subjects: measurement using cardiovascular magnetic resonance tissue tracking
AbstractThe purpose of this study was to evaluate the association between myocardial deformation parameters and cardiovascular risk factors in asymptomatic Asian subjects and to provide reproducibility for deformation parameters of both ventricles using cardiovascular magnetic resonance (CMR) tissue tracking (TT). We enrolled 129 asymptomatic healthy adults who underwent CMR and assessed the cardiovascular risk factors in all individuals. All subjects had normal left ventricular systolic function. Commercial software was used to derive myocardial deformation parameters of both ventricles from short-axis cine images and lon...
Source: The International Journal of Cardiovascular Imaging - July 17, 2018 Category: Radiology Source Type: research

3D myocardial deformation analysis from cine MRI as a marker of amyloid protein burden in cardiac amyloidosis: validation versus T1 mapping
This study identifies strong associations b etween 3D myocardial strain and T1-mapping based markers of regional amyloid protein deposition. These findings support expanded investigation of myocardial strain as a surrogate marker of response to novel therapeutic strategies in patients with cardiac amyloidosis. (Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - July 16, 2018 Category: Radiology Source Type: research

Assessment of left atrial function using speckle tracking echocardiography in ankylosing spondylitis: a case-control study
AbstractThe aim of this study is to assess the left atrium (LA) deformation parameters by using 2D speckle tracking echocardiography (2D-STE) in ankylosing spondylitis (AS) patients and to evaluate the relationship between these parameters and AS clinical indexes. 30 patients with AS (22 males, 8 females) and 30 healthy individuals (19 males, 11 females) were enrolled in this study. Transthoracic echocardiography was performed to both groups. Besides the conventional echocardiographic parameters, the LA strain parameters; including systolic-reservoir (LA S-S), early diastolic-conduit (LA S-E), late diastolic-contraction (L...
Source: The International Journal of Cardiovascular Imaging - July 16, 2018 Category: Radiology Source Type: research

Myocardial deformation and volume of exercise: a new overlap between pathology and athlete ’s heart?
AbstractRegular physical exercise induces cardiac adaptations that can overlap pathological conditions. Controversy still persists about the variability of myocardial deformation in different types and intensity of exercise. The aim of this study was to assess myocardial longitudinal deformation in athletes with different level of exercise. Two groups of young athletes involved in endurance sports characterized by high intensity dynamic component were enrolled. According to the level and the number of exercise training hours/week, two groups were defined:Group 1—high level (national/international and ≥ 20 t...
Source: The International Journal of Cardiovascular Imaging - July 14, 2018 Category: Radiology Source Type: research

Intravascular ultrasound-guided drug-eluting stent implantation is associated with improved clinical outcomes in patients with unstable angina and complex coronary artery true bifurcation lesions
AbstractStenting coronary artery bifurcation lesion is associated with suboptimal clinical results. Clinical improvement by intravascular ultrasound (IVUS) guided bifurcation stenting is controversial because small-side-branch (SB), low-risk patients and false bifurcations were included in previous studies that had no exact IVUS criteria for optimal stent expansion. We sought determine whether IVUS guidance is superior to angiography guidance for patients with true and complex bifurcation lesions. Between July 2006 and July 2012, 1465 patients with unstable angina and Medina 1,1,1 or 0,1,1 coronary bifurcation lesions were...
Source: The International Journal of Cardiovascular Imaging - July 6, 2018 Category: Radiology Source Type: research

Cardiac myxoma: a contemporary multimodality imaging review
AbstractCardiac myxoma (CM) is by far the most common primary benign cardiac tumor, typically arising in the left atrium with an attachment point in the fossa ovalis region. Although the etiology of CM remains unclear, we know that this endocardial-based mass originates from undifferentiated mesenchymal cells. Continuous technical improvements in the field of echocardiography since the 1960s has profoundly changed the diagnostic approach by allowing a good tumor detection as well as the preoperative planning by providing crucial information concerning the attachment point location. However, echocardiography has its limitat...
Source: The International Journal of Cardiovascular Imaging - July 4, 2018 Category: Radiology Source Type: research

Healing score of the Xinsorb scaffold in the treatment of de novo lesions: 6-month imaging outcomes
The objectives of this study are to assess the healing score (HS) and neointimal thickness of the Xinsorb scaffold, and explore the relationships between the implanted patterns, neointimal thickness, and HS. The Xinsorb bioresorbable sirolimus-eluting scaffold is the first domestically designed and fabricated bioresorbable scaffold in China. The 6-month follow-up found it to be safe and effective in the treatment of single de novo coronary lesions. The Xinsorb scaffolds were implanted in 30 patients with symptomatic ischemic coronary disease. A 6-month follow-up was performed in a subset of 19 patients; the HS and neointim...
Source: The International Journal of Cardiovascular Imaging - July 1, 2018 Category: Radiology Source Type: research

Echocardiographic features of PFOs and paradoxical embolism: a complicated puzzle
AbstractPatent foramen ovale (PFO) is a residual, oblique, slit or tunnel like communication in the atrial septum that persists into adulthood. It is usually an incidental finding with no clinical repercussions. Nevertheless, recent evidence supports the association between the presence of a PFO and a number of clinical conditions, most notably cryptogenic stroke (CS). There is enough evidence that paradoxical embolism is a mechanism which can explain this association. Patient characteristics and certain echocardiography-derived anatomical and hemodynamic features of PFO provide great assistance in estimating the probabili...
Source: The International Journal of Cardiovascular Imaging - June 28, 2018 Category: Radiology Source Type: research

The ventricular residence time distribution derived from 4D flow particle tracing: a novel marker of myocardial dysfunction
Abstract4D flow cardiac magnetic resonance (CMR) imaging allows visualisation of blood flow in the cardiac chambers and great vessels. Post processing of the flow data allows determination of theresidence time distribution (RTD), a novel means of assessing ventricular function, potentially providing additional information beyond ejection fraction. We evaluated the RTD measurement of efficiency of left and right ventricular (LV and RV) blood flow. 16 volunteers and 16 patients with systolic dysfunction (LVEF  
Source: The International Journal of Cardiovascular Imaging - June 27, 2018 Category: Radiology Source Type: research

Computed tomography findings and preoperative risk factors for mortality of total anomalous pulmonary venous connection
AbstractDetailed preoperative imaging of total anomalous pulmonary venous connection (TAPVC) is critical to ensuring adequate surgical planning and preoperative decision making. The purpose of this study was to describe the computed tomography findings of TAPVC and identify morphologic death risk factors. We conducted a retrospective study included 70 patients with TAPVC between May 2014 and June 2017 in Hunan Children ’s Hospital. All available clinical data and computed tomography imaging were reviewed, and survival time was followed-up. Life Tables analysis was used to estimate survival rates. Patient survival was...
Source: The International Journal of Cardiovascular Imaging - June 25, 2018 Category: Radiology Source Type: research

The clinical evaluation of the CADence device in the acoustic detection of coronary artery disease
AbstractThe noninvasive detection of turbulent coronary flow may enable diagnosis of significant coronary artery disease (CAD) using novel sensor and analytic technology. Eligible patients (n  = 1013) with chest pain and CAD risk factors undergoing nuclear stress testing were studied using the CADence (AUM Cardiovascular Inc., Northfield MN) acoustic detection (AD) system. The trial was designed to demonstrate non-inferiority of AD for diagnostic accuracy in detecting significant CAD as compared to an objective performance criteria (sensitivity 83% and specificity 80%, with 15% non-inferiority margins) for nu...
Source: The International Journal of Cardiovascular Imaging - June 23, 2018 Category: Radiology Source Type: research

Cardiovascular imaging 2017 in the International Journal of Cardiovascular Imaging
(Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - June 23, 2018 Category: Radiology Source Type: research

Pulmonary arterial stiffness assessed by cardiovascular magnetic resonance imaging is a predictor of mild pulmonary arterial hypertension
AbstractEarly detection of mild pulmonary arterial hypertension (PAH) based on clinical evaluation and echocardiography remains quite challenging. In addition to enhanced right ventricular (RV) assessment, cardiac magnetic resonance (CMR) imaging may accurately reflect deleterious remodeling and increased stiffness of the central pulmonary arteries based on pulsatility, or percent change of the PA during the cardiac cycle. The purpose of this study is to assess the utility of measuring PA pulsatility by CMR as a potential early maker in PAH. We hypothesize that pulsatility may help discriminate mild PAH from normal control...
Source: The International Journal of Cardiovascular Imaging - June 22, 2018 Category: Radiology Source Type: research

Evaluation of aortic stiffness by a new simplified 2D speckle tracking analysis
AbstractArterial stiffness is a marker of cardiovascular damage and an independent predictor of major cardiovascular events, usually assessed via Carotid-Femoral Pulse Wave Velocity (cfPWV). The aim of this study was to test the feasibility and usefulness of aortic strain analysis using a simplified transthoracic echocardiography (TTE) speckle-tracking (ST) based method. 60 consecutive patients with normal blood pressure and aortic dimensions underwent TTE and cfPWV evaluation. Strain analysis was performed on the largest section of the ascending aorta (aA) with a dedicated software; three couples of speckles were identifi...
Source: The International Journal of Cardiovascular Imaging - June 21, 2018 Category: Radiology Source Type: research

Clinical efficacy of aspirin with identification of intimal morphology by optical coherence tomography in preventing event recurrence in patients with vasospasm-induced acute coronary syndrome
AbstractUsing optical coherence tomography (OCT), we found that there were morphological differences in the coronary intima between patients with vasospasm-induced acute coronary syndrome (VACS) and those with stable variant angina. We investigated whether aspirin use would protect against chest pain recurrence in patients with VACS. A retrospective cohort study was performed. Patients with ST-segment elevation who were confirmed to have VACS by a provocation test were included. OCT was performed at the index event and when chest pain recurred to assess intimal morphology. Chest pain recurrence was defined as the first rev...
Source: The International Journal of Cardiovascular Imaging - June 19, 2018 Category: Radiology Source Type: research

CMR-guidance of passively tracked endomyocardial biopsy in an in vivo porcine model
This study demonstrates feasibility and safety of CMR-guided and basically targeted EMB with passively-tracked devices. Signal-to-noise ratios of real-time sequences is non-inferior to standard sequences for les ion detection. CMR-guidance may improve diagnostic accuracy of EMB since CMR can detect myocardial-targets under real-time-imaging. (Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - June 19, 2018 Category: Radiology Source Type: research

Less pronounced reverse left ventricular remodeling in patients with bicuspid aortic stenosis treated with transcatheter aortic valve replacement compared to tricuspid aortic stenosis
AbstractTo compare reverse left ventricular (LV) remodeling after transcatheter aortic valve replacement (TAVR) between patients with bicuspid aortic valve (BAV) and tricuspid aortic valve (TAV). We retrospectively reviewed data of patients with at least two serial echocardiographic follow-ups (1, 3, 6  months and 1 year) post-TAVR. A total of 116 patients were identified. BAV morphology was documented in 67 patients. LV mass index (LVMi) at baseline was not significantly different between the TAV and BAV group (178.0 ± 6.9 vs. 166.3 ± 6.4 g/m2, P  = 0....
Source: The International Journal of Cardiovascular Imaging - June 18, 2018 Category: Radiology Source Type: research

Distinguishing acute from chronic aortic dissections using CT imaging features
AbstractThe aim was to compare computed tomography (CT) features in acute and chronic aortic dissections (AADs and CADs) and determine if a certain combination of imaging features was reliably predictive of the acute versus chronic nature of disease in individual patients. Consecutive patients with aortic dissection and a chest CT scan were identified, and 120 CT scans corresponding to 105 patients were reviewed for a variety of imaging features. Statistical tests assessed for differences in the frequency of these features. A predictive model was created and tested on an additional 120 CT scans from 115 patients. Statistic...
Source: The International Journal of Cardiovascular Imaging - June 18, 2018 Category: Radiology Source Type: research

Do CTA measurements of annular diameter, perimeter and area result in different TAVI prosthesis sizes?
AbstractIncorrect prosthesis size has direct impact on patient outcome after transcatheter aortic valve implantation (TAVI) procedure. Currently, annular diameter, area or perimeter may be used for prosthesis size selection. The aim was to evaluate whether the use different annular dimensions would result in the selection of different prosthesis sizes, when assessed in the same TAVI-candidate during the same phase of a cardiac cycle. Fifty consecutive TAVI-candidates underwent retrospectively ECG-gated computed tomography angiography (CTA). Aortic root dimensions were assessed in the 20% phase of the R –R interval. A...
Source: The International Journal of Cardiovascular Imaging - June 16, 2018 Category: Radiology Source Type: research

Diffusion-weighted MRI and PET –CT in the follow up of chronic periaortitis
AbstractAim of the present study is to compare magnetic resonance imaging (MRI) and positron emission tomography (PET) parameters in the follow up of chronic periaortitis (CP), with a focus on changes in the apparent diffusion coefficient (ADC) and standardized uptake values (SUV). 127 patients with CP were treated in our urology between 2007 and 2017. We identified 14 patients with parallel abdominal MRI and PET –CT examinations before therapy and in the follow up resulting in a total of 56 examinations. Relative contrast uptake and diffusion-weighted MRI parameters were compared to SUV in the corresponding PET&ndas...
Source: The International Journal of Cardiovascular Imaging - June 15, 2018 Category: Radiology Source Type: research

Importance of computed tomography pre-procedural planning in the customization of a high-risk hybrid double valve intervention
(Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - June 12, 2018 Category: Radiology Source Type: research

Left heart longitudinal deformation analysis in mitral regurgitation
AbstractIn mitral regurgitation (MR), left atrium (LA) and left ventricle (LV) undergo remodeling even if the patient is asymptomatic. The aim of our study was to identify the best echo index that correlates with MR severity in asymptomatic patients affected by MR. We enrolled 150 MR patients (50: mild, 50: moderate, 50: severe), asymptomatic for exertional dyspnea and 50 healthy controls. MR was graded using Doppler quantitative method. All underwent standard and Speckle Tracking Echocardiography (STE) with analysis of global peak atrial longitudinal strain (PALS), LV longitudinal strain (LS) and global atrio-ventricular ...
Source: The International Journal of Cardiovascular Imaging - June 9, 2018 Category: Radiology Source Type: research

The effect of different treatment strategies on left ventricular myocardial deformation parameters in patients with chronic renal failure
AbstractThe aim of this study was to compare left ventricular (LV) functions by speckle tracking echocardiography (STE) in chronic kidney disease (CKD) patients in various stages and under different renal replacement treatments in order to evaluate possible differences between them. This prospective study included 150 patients with CKD. Renal transplantation patients with glomerular filtration rate greater than 60  ml/min/1.73 m2, patients receiving hemodialysis three times a week, and patients in the predialysis stage with glomerular filtration rate less than 30  ml/dk/1.73 m2 were assigned into Group ...
Source: The International Journal of Cardiovascular Imaging - June 9, 2018 Category: Radiology Source Type: research

Diagnostic accuracy of multi-slice computed tomography in identifying lesion characteristics in coronary total occlusion
AbstractWe performed this study to compare the sensitivity and specificity of multi-slice computed tomography (MSCT) to coronary angiography (CA) in detecting coronary total occlusion (CTO) lesion characteristics. Moreover, we analyzed the association between these characteristics and the risk of revascularization failure. Fifty patients with confirmed CTO diagnosis were tried for revascularization using the antegrade (all 50) or retrograde (in failed nine antegrade interventions) approaches. Each patient underwent CA and MSCT before the intervention and data from both modalities were compared using the SPSS software. Succ...
Source: The International Journal of Cardiovascular Imaging - June 8, 2018 Category: Radiology Source Type: research

Superficial wall stress: the long awaited comprehensive biomechanical parameter to objectify and quantify our intuition
(Source: The International Journal of Cardiovascular Imaging)
Source: The International Journal of Cardiovascular Imaging - June 6, 2018 Category: Radiology Source Type: research

Semi-automatic CT-angiography based evaluation of the aortic annulus in patients prior to TAVR: interchangeability with manual measurements
AbstractTo compare a semi-automatic software tool for the measurement of aortic annulus dimensions with manual measurements by expert readers and to analyze whether and to what extent interchangeability exists between semi-automatic and manual measurements. We retrospectively included 374 consecutive patients with high-grade aortic stenosis who had undergone CT-angiography of the heart prior to trans-catheter aortic valve replacement (TAVR). In independent analyses, two expert readers manually measured aortic annulus dimensions (long axis, short axis, circumference, area) as well as the distance of the coronary ostia from ...
Source: The International Journal of Cardiovascular Imaging - June 5, 2018 Category: Radiology Source Type: research

The relationships between the pulsatile flow form of ocular microcirculation by laser speckle flowgraphy and the left ventricular end-diastolic pressure and mass
AbstractTo evaluate the relationships between parameters of the pulsatile flow form in the optic nerve head shown by laser speckle flowgraphy (LSFG) and the left ventricular (LV) end-diastolic pressure and mass obtained by echocardiography. We cross sectional analyzed the cases of 175 subjects who had undergone polysomnography. Standard M-mode two-dimensional color Doppler imaging was performed to evaluate the E/e ′ ratio (which represents the LV end-diastolic pressure) and LV mass. The pulsatile flow form analysis parameters of the blowout score and acceleration time index were evaluated. The parameters were analyze...
Source: The International Journal of Cardiovascular Imaging - June 1, 2018 Category: Radiology Source Type: research

A review in enormity of OCT and its enduring understanding of vulnerable plaque in coronary bifurcation lesion
AbstractOptical coherence tomography (OCT) has emerged as one of the most promising tools to assist the optimization of percutaneous coronary intervention (PCI). Its ability to provide unique information on the plaque at high risk for rupture, plaque composition, the thickness of the fibrous cap, the presence of macrophage and thrombi has not only assisted simple PCI but also in many complex bifurcation lesions PCI. OCT has helped to provide valuable anatomic information to optimize stent implantation and adapt PCI strategy in individual patients. This review article summarizes the current role of OCT as an imaging technol...
Source: The International Journal of Cardiovascular Imaging - June 1, 2018 Category: Radiology Source Type: research

Brief cardiovascular imaging with pocket-size ultrasound devices improves the accuracy of the initial assessment of suspected pulmonary embolism
AbstractPulmonary embolism onset is frequently neglected due to the non-specific character of its symptoms. Pocket-size imaging devices (PSID) present an opportunity to implement imaging diagnostics into conventional physical examination. The aim of this study was to test the hypothesis that supplementation of the initial bedside assessment of patients with suspected pulmonary embolism (PE) with four-point compression venous ultrasonography (CUS) and right ventricular size assessment with the use of PSID equipped with dual probe could positively influence the accuracy of clinical predictions. A single-centre, prospective a...
Source: The International Journal of Cardiovascular Imaging - May 30, 2018 Category: Radiology Source Type: research

Comparison of quantitative imaging parameters using cardiovascular magnetic resonance between cardiac amyloidosis and hypertrophic cardiomyopathy: inversion time scout versus T1 mapping
AbstractTo compare inversion time (TI) parameters, native T1, and extracellular volume (ECV) on cardiac magnetic resonance (CMR) imaging between patients with cardiac amyloidosis (CA) or hypertrophic cardiomyopathy (HCMP). Forty six patients with biopsy-confirmed CA and 30 patients with HCMP who underwent CMR were included. T1 and TI values were measured in the septum and cavity of the left ventricle on T1 mapping and TI scout images. TI values were selected at nulling point for each myocardium and blood pool. Native T1, ECV, and TI interval values were significantly different between the CA (1170.5  ±&thinsp...
Source: The International Journal of Cardiovascular Imaging - May 30, 2018 Category: Radiology Source Type: research

Impact of different annuloplasty rings on geometry of the mitral annulus with fibroelastic deficiency: the significance of aorto –mitral angle
AbstractWe sought to investigate the impact of full annuloplasty rings versus C-shape bands on mitral annular geometry in the presence of fibroelastic deficiency (FED), as assessed by intraoperative three-dimensional transesophageal echocardiography (3DTEE). We retrospectively selected 65 patients who underwent mitral valve repair for severe mitral regurgitation caused by FED using full rings (the Ring group, n  = 30) and C-shape bands (the Band group, n = 35). 71 controls without valvular heart disease were also included. Thorough 3DTEE inspections were performed for the entire cohort to measur...
Source: The International Journal of Cardiovascular Imaging - May 29, 2018 Category: Radiology Source Type: research

Findings on 3D speckle tracking echocardiography in asymptomatic methamphetamine abusers
AbstractTo detect potential cardiac abnormalities in asymptomatic methamphetamine abusers using three-dimensional speckle tracking echocardiography (3D STE). Fifty-three male methamphetamine abusers, free of cardiac symptoms/signs, were enrolled in this study. A control group of 53 age-matched male normal subjects was studied for comparison. Standard 3D, flow and tissue Doppler echo with measurements of left ventricular end-diastolic volume (LVEDV), end-systolic volume (LVESV), ejection fraction (LVEF), the ratio of the early to late diastolic transmitral filling velocity (E/A), the ratio of the early diastolic transmitral...
Source: The International Journal of Cardiovascular Imaging - May 28, 2018 Category: Radiology Source Type: research

Prognostic value of revascularising viable myocardium in elderly patients with stable coronary artery disease and left ventricular dysfunction: a PET/CT study
AbstractSparse information is available on the role of cardiac viability imaging in elderly patients. We aimed at evaluating the prognostic value of FDG-PET/CT in elderly patients with stable coronary artery disease (CAD) and reduced left ventricular ejection fraction (rLVEF) before revascularisation. Elderly patients (>  65 years old, mean 74 ± 7 years old) with CAD and rLVEF were followed after cardiac FDG-PET/CT and stratified according to presence/absence of viable myocardium and subsequent revascularisation. Fatal events of any cause as well as hospitalisations related to acute...
Source: The International Journal of Cardiovascular Imaging - May 28, 2018 Category: Radiology Source Type: research

Quantification of coronary atherosclerotic burden with coronary computed tomography angiography: adapted Leaman score in Croatian patients
AbstractThe aim of the study was to quantify the total coronary atherosclerotic burden in patients with suspected coronary artery disease (CAD) defined by coronary computed tomography adapted Leaman score (CT-LeSc) and to estimate its cut-off level for high coronary atherosclerotic burden. We enrolled 434 consecutive patients referred to coronary computed tomography angiography, of which 261 patients fulfilled the study inclusion criteria. Demographic and clinical characteristics, as well as CAD risk factors were obtained. CAD pre-test probabilities were estimated by the Diamond-Forrester model and Morise score. The corona...
Source: The International Journal of Cardiovascular Imaging - May 25, 2018 Category: Radiology Source Type: research

Investigation of elastic features of aorta and color M-mode flow propagation velocity (APV) of descending aorta in the patients with ischemic and non-ischemic dilated cardiomyopathy
AbstractAortic flow propagation velocity (APV) is a novel echocardiographic parameter used in coronary artery disease. It has also been used for the evaluation of aortic stiffness. In the present study, APV was measured in patients with ischemic and non-ischemic dilated cardiomyopathy (DCM) and was compared with the parameters of aortic stiffness such as aortic distensibility (AD) and aortic strain (AS). A total of 140 patients who had undergone coronary angiographic imaging were included in the study. Out of these patients, 44 had ischemic DCM, 46 had non-ischemic DCM, and 50 had normal coronary angiography (control group...
Source: The International Journal of Cardiovascular Imaging - May 24, 2018 Category: Radiology Source Type: research

Right ventricular function and mechanics in chemotherapy- and radiotherapy-na ïve cancer patients
AbstractThe present research evaluated right ventricular (RV) structure, function and mechanics in the cancer patients before initiation of chemo- or radiotherapy, and the association between cancer and decreased RV longitudinal strain. This retrospective investigation included 101 chemo- and radiotherapy-na ïve patients with solid cancer and 38 age- and gender-matched controls with similar cardiovascular risk profile. Echocardiographic examination and strain evaluation was performed in all participants. RV structure and RV systolic and diastolic function estimated with conventional echocardiographic p arameters were ...
Source: The International Journal of Cardiovascular Imaging - May 24, 2018 Category: Radiology Source Type: research

Quantification of aortic stiffness in stroke patients using 4D flow MRI in comparison with transesophageal echocardiography
AbstractTo quantify stiffness of the descending aorta (DAo) in stroke patients using 4D flow MRI and compare results with transesophageal echocardiography (TEE). 48 acute stroke patients undergoing 4D flow MRI and TEE were included. Intima-media-thickness (IMT) was measured in the DAo and the aorta was scrutinized for atherosclerotic plaques using TEE. Stiffness of the DAo was determined by (a) 4D flow MRI at 3  T by calculating pulse wave velocity (PWV) and by (b) TEE calculating arterial strain, stiffness index, and distensibility coefficient. Mean IMT was 1.43 ± 1.75. 7 (14.6%) subjects had no ...
Source: The International Journal of Cardiovascular Imaging - May 24, 2018 Category: Radiology Source Type: research

Erupted coronary atheroma: insights from multi-modality imaging
AbstractA 58-year-old gentleman with prolonged chest pain and 20-min ST-segment elevation in inferior lead on Holter monitoring was hospitalized. Multi-slice computed tomography identified severe stenosis with low density area and positive remodeling. Despite the suggestive features of vulnerable lesion, intravascular ultrasound and near-infrared spectroscopy imaging identified ruptured plaque without any lipidic material which were contrary to findings from multi-slice computed tomography. Lipidic materials may travel into coronary circulation following its spontaneous rupture, resulting in zero lipid core burden index. M...
Source: The International Journal of Cardiovascular Imaging - May 24, 2018 Category: Radiology Source Type: research

Left atrial myocardial dysfunction after chronic abuse of anabolic androgenic steroids: a speckle tracking echocardiography analysis
AbstractAnabolic –androgenic steroids (AAS) are used by power athletes to improve performance. However, the real effects of the chronic consumption of AAS on cardiovascular structures are subjects of intense debate. To detect by speckle tracking echocardiography (STE) underlying left atrial (LA) dysfunction in ath letes abusing AAS and assess possible correlation between LA myocardial function and exercise capacity during cardiopulmonary stress test. 65 top-level competitive bodybuilders were selected (45 males), including 35 athletes misusing AAS for at least 5 years (users), 30 anabolic-free bodybuilders (n on-user...
Source: The International Journal of Cardiovascular Imaging - May 22, 2018 Category: Radiology Source Type: research

Feasibility of intracardiac echocardiography imaging from the left superior pulmonary vein for left atrial appendage occlusion
AbstractIntracardiac echocardiography (ICE) is considered an alternative imaging modality for left atrium appendage occlusion (LAAO) to avoid general anesthesia. However, the quality of ICE images obtained from right atrium can be suboptimal compared with transesophageal echocardiography (TEE) imaging. Although placing an ICE probe into left atrium can improve imaging quality, there are limited data regarding procedure outcomes of ICE-guided LAAO versus TEE-guided LAAO. One hundred forty four patients who underwent LAAO with Amplatzer Cardiac Plug, Amulet, or Watchman device were enrolled from two referral institutes. TEE-...
Source: The International Journal of Cardiovascular Imaging - May 22, 2018 Category: Radiology Source Type: research

Variability of native T1 values: implication for defining regional myocardial changes using MRI
AbstractThe aim of the present study was to establish T1 variation (T1v) thresholds for duplicated measurements of regional T1 values in left ventricle (LV) using magnetic resonance imaging (MRI). Eighteen healthy volunteers were recruited to undergo two consecutive cardiac MRI scans using modified Look-Locker Inversion recovery (MOLLI) with two spatial resolutions on different days to repeat T1 measurements on LV. The absolute differences (d) and standard deviations (SDs) of regional T1 values were acquired with the two scans and two readers. T1v threshold (mean difference  + 2SD), intra-class correlation co...
Source: The International Journal of Cardiovascular Imaging - May 22, 2018 Category: Radiology Source Type: research