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International Journal of Cardiovascular Imaging

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https://read.qxmd.com/read/30778713/combined-t1-mapping-and-tissue-tracking-analysis-predicts-severity-of-ischemic-injury-following-acute-stemi-an-oxford-acute-myocardial-infarction-oxami-study
#1
Malgorzata Wamil, Alessandra Borlotti, Dan Liu, André Briosa E Gala, Alessia Bracco, Mohammad Alkhalil, Giovanni Luigi De Maria, Stefan K Piechnik, Vanessa M Ferreira, Adrian P Banning, Rajesh K Kharbanda, Stefan Neubauer, Robin P Choudhury, Keith M Channon, Erica Dall'Armellina
Early risk stratification after ST-segment-elevation myocardial infarction (STEMI) is of major clinical importance. Strain quantifies myocardial deformation and can demonstrate abnormal global and segmental myocardial function in acute ischaemia. Native T1-mapping allows assessment of the severity of acute ischemic injury, however its clinical applicability early post MI is limited by the complex dynamic changes happening in the myocardium post MI. We aimed to explore relationship between T1-mapping and feature tracking imaging, to establish whether combined analysis of these parameters could predict recovery after STEMI...
February 16, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30771036/impact-of-smoking-on-cardiac-magnetic-resonance-infarct-characteristics-and-clinical-outcome-in-patients-with-non-st-elevation-myocardial-infarction
#2
Hans-Josef Feistritzer, Ingo Eitel, Alexander Jobs, Suzanne de Waha-Thiele, Thomas Stiermaier, Mohamed Abdel-Wahab, Philipp Lurz, Sebastian J Reinstadler, Martin Reindl, Gert Klug, Bernhard Metzler, Steffen Desch, Holger Thiele
Data derived from several studies suggest a better survival in smokers with acute myocardial infarction, a phenomenon referred to as the 'smoker's paradox'. We aimed to investigate the association of smoking with cardiac magnetic resonance (CMR) imaging determined infarct severity and major adverse cardiac events (MACE) defined as the occurrence of death, reinfarction, and congestive heart failure at 12 months in patients with non-ST-elevation myocardial infarction (NSTEMI) reperfused by early percutaneous coronary intervention (PCI)...
February 15, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30758691/refractory-radiation-induced-coronary-artery-disease-mapping-the-path-and-guiding-treatment-with-optical-coherence-tomography
#3
Dinu Valentin Balanescu, Teodora Donisan, Tariq Dayah, Nicolas Palaskas, Juan Lopez-Mattei, Peter Kim, Chelsea Camille Pinnix, Rohit Moudgil, Serban Mihai Balanescu, Joerg Herrmann, Mehmet Cilingiroglu, Konstantinos Marmagkiolis, Cezar Iliescu
No abstract text is available yet for this article.
February 13, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30756221/incremental-value-of-extracellular-volume-assessment-by-cardiovascular-magnetic-resonance-imaging-in-risk-stratifying-patients-with-suspected-myocarditis
#4
Christoph Gräni, Loïc Bière, Christian Eichhorn, Kyoichi Kaneko, Vikram Agarwal, Ayaz Aghayev, Michael Steigner, Ron Blankstein, Michael Jerosch-Herold, Raymond Y Kwong
Cardiovascular magnetic resonance imaging (CMR) has become a key investigative tool in patients with suspected myocarditis. However, the prognostic implications of T1 mapping, including extracellular volume (ECV) calculation, is less clear. Patients with suspected myocarditis who underwent CMR evaluation, including T1 mapping at our institution were included. CMR findings including late gadolinium enhancement (LGE), left ventricular ejection fraction (LVEF), native T1 mapping, and ECV calculation were associated with first major adverse cardiac events (MACE)...
February 12, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30747369/value-of-18-f-fdg-pet-ct-in-differentiating-malignancy-of-pulmonary-artery-from-pulmonary-thromboembolism-a-cohort-study-and-literature-review
#5
Xiao-Ying Xi, Wei Gao, Juan-Ni Gong, Xiao-Juan Guo, Jiao-Yan Wu, Yuan-Hua Yang, Min-Fu Yang
To determine the value of 18 F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) in differentiating malignancy of pulmonary artery (PA) from pulmonary thromboembolism (PTE) based on a larger number of cases by pooling our cases and those from the literature. Consecutive patients with a PA lesion who had undergone 18 F-FDG PET/CT in our hospital were retrospectively reviewed. Moreover, PubMed, Embase, and Medline were searched for literature reporting individual maximum standardised uptake value (SUVmax ) of the malignant PA lesion and/or PTE...
February 12, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30747368/intravascular-ultrasound-guidance-reduces-cardiac-death-and-coronary-revascularization-in-patients-undergoing-drug-eluting-stent-implantation-results-from-a-meta-analysis-of-9-randomized-trials-and-4724-patients
#6
Xiao-Fei Gao, Zhi-Mei Wang, Feng Wang, Yue Gu, Zhen Ge, Xiang-Quan Kong, Guang-Feng Zuo, Jun-Jie Zhang, Shao-Liang Chen
Intravascular ultrasound (IVUS) guidance is not routinely performed in real-word clinical practice partly because the benefit of IVUS guidance is not well established. This updated meta-analysis aims to compare IVUS-guided and angiography-guided drug-eluting stent (DES) implantation, simultaneously stressing the value of an optimal IVUS-defined procedure. Medline, Scopus, Google Scholar, and Cochrane Controlled Trials Registry were searched for the randomized trials comparing IVUS-guided and angiography-guided DES implantation...
February 12, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30741363/bileaflet-mechanical-aortic-valves-do-not-alter-ascending-aortic-wall-shear-stress
#7
Emile S Farag, Emilio L Schade, Pim van Ooij, S Matthijs Boekholdt, R Nils Planken, Roland van Kimmenade, Aart J Nederveen, Bas A J M de Mol, Jolanda Kluin
Progressive ascending aortic dilatation has been observed after mechanical aortic valve replacement (mAVR), possibly due to altered blood flow and wall shear stress (WSS) patterns induced by their bileaflet design. We examined the effect of mAVR on WSS in the ascending aorta using time-resolved 4D flow MRI. Fifteen patients with mechanical aortic valve prostheses, 10 patients with bicuspid aortic valve disease and 10 healthy individuals underwent thoracic 4D flow MRI. Peak systolic hemodynamic parameters (velocity and WSS) and vessel diameters were assessed in the ascending aorta...
February 11, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30739271/association-between-age-and-progression-of-carotid-artery-atherosclerosis-a-serial-high-resolution-magnetic-resonance-imaging-study
#8
Mingming Lu, Peng Peng, Huiyu Qiao, Yuanyuan Cui, Lu Ma, Bao Cui, Jianming Cai, Xihai Zhao
This study aimed to investigate the association between age and progression of carotid atherosclerotic plaques using serial high resolution magnetic resonance imaging (MRI). Symptomatic patients who had carotid atherosclerosis with 30-70% stenosis were enrolled in this study. Carotid MRI was performed at baseline and follow-up time point (≥ 6 months after baseline), respectively. The characteristics of carotid plaque progression among different age groups (> 75 years old, 60-75 years old and < 60 years old) were compared...
February 9, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30715669/impact-of-age-and-cardiac-disease-on-regional-left-and-right-ventricular-myocardial-motion-in-healthy-controls-and-patients-with-repaired-tetralogy-of-fallot
#9
Alexander Ruh, Roberto Sarnari, Haben Berhane, Kenny Sidoryk, Kai Lin, Ryan Dolan, Arleen Li, Michael J Rose, Joshua D Robinson, James C Carr, Cynthia K Rigsby, Michael Markl
The assessment of both left (LV) and right ventricular (RV) motion is important to understand the impact of heart disease on cardiac function. The MRI technique of tissue phase mapping (TPM) allows for the quantification of regional biventricular three-directional myocardial velocities. The goal of this study was to establish normal LV and RV velocity parameters across a wide range of pediatric to adult ages and to investigate the feasibility of TPM for detecting impaired regional biventricular function in patients with repaired tetralogy of Fallot (TOF)...
February 4, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30715668/computed-tomography-measured-pulmonary-artery-to-aorta-ratio-and-eutos-score-for-detecting-dasatinib-induced-pulmonary-arterial-hypertension
#10
Takumi Toya, Yuji Nagatomo, Kazuki Kagami, Midori Yukino, Risako Yasuda, Takayuki Namba, Yasuo Ido, Shinichi Kobayashi, Nobuyuki Masaki, Hirotaka Yada, Fumihiko Kimura, Takeshi Adachi
BACKGROUND: Periodic echo-based screening to detect early stages of a rare complication of dasatinib, pulmonary arterial hypertension (PAH), is inefficient and weakens the potential benefit of dasatinib as a potent drug for chronic myelogenous leukemia (CML). This study aimed to identify the predisposing factors of DASA-PAH to stratify high-risk patients for dasatinib-induced PAH (DASA-PAH). METHODS: Sixty consecutive adult patients who received dasatinib were enrolled in this case-control study...
February 4, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30712152/assessment-of-artery-calcification-in-atherosclerosis-with-dynamic-18f-fdg-pet-ct-imaging-in-elderly-subjects
#11
Mamdouh S Al-Enezi, Redha-Alla Abdo, Mohamed Yazid Mokeddem, Faiçal A A Slimani, Abdelouahed Khalil, Tamas Fulop, Eric Turcotte, M'hamed Bentourkia
Glucose metabolism in atherosclerotic arteries has been shown to be an indicator of inflammation, which might be a precursor of plaque rupture. In this prospective study, we assessed the correlation between artery calcification and glucose metabolism by means of 18F-FDG PET/CT imaging in elderly subjects. Nineteen elderly subjects, with age ranging from 65 to 85 years, underwent CT and dynamic 18F-FDG-PET imaging. The artery calcification was determined with a threshold of 130 Hounsfield units. Intensity of calcification and ratio of calcification area to total artery area were classified in four sequential classes from CT images...
February 2, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30706353/prognostic-value-of-left-atrial-function-by-cardiovascular-magnetic-resonance-feature-tracking-in-hypertrophic-cardiomyopathy
#12
Rocio Hinojar, Jose Luis Zamorano, MªAngeles Fernández-Méndez, Amparo Esteban, Maria Plaza-Martin, Ariana González-Gómez, Alejandra Carbonell, Luis Miguel Rincón, Jose Julio Jiménez Nácher, Covadonga Fernández-Golfín
Left atrium (LA) size has an important role in determining prognosis and risk stratification in hypertrophic cardiomyopathy (HCM). Cardiovascular magnetic resonance myocardial feature tracking (CMR-FT) is a novel technique for the quantification of LA function. Our aim was first to evaluate LA function by CMR-FT and volumetric analysis in patients with HCM; and secondly we sought to determine the association of LA-longitudinal strain (LA-LS) with major cardiovascular outcomes, particularly all cause mortality and heart failure...
January 31, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30706352/adjustment-of-vascular-2-deoxy-2-18-f-fluoro-d-glucose-uptake-values-over-time-through-a-modeling-approach
#13
Pavlos P Kafouris, Iosif P Koutagiar, Alexandros T Georgakopoulos, Nikoletta K Pianou, Marinos G Metaxas, George M Spyrou, Constantinos D Anagnostopoulos
To develop and test a model predicting 2-deoxy-2-[18 F]fluoro-D-glucose ([18 F]FDG) standardized uptake value (SUV) changes over time in the aorta and the superior vena cava (SVC). Maximum aortic SUV and mean SVC SUV were determined at two time points (T1 and T2) in the ascending (ASC), descending (DSC), abdominal (ABD) aorta, aortic arch (ARC) and SVC of patients who have undergone [18 F]FDG PET/CT for clinical purposes. For SUV prediction at T2, linear and non-linear models of SUV difference for a given time change were developed in a derivation group...
January 31, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30701439/assessment-of-aortic-valve-tract-dynamics-using-automatic-tracking-of-3d-transesophageal-echocardiographic-images
#14
Sandro Queirós, Pedro Morais, Wolfgang Fehske, Alexandros Papachristidis, Jens-Uwe Voigt, Jaime C Fonseca, Jan D'hooge, João L Vilaça
The assessment of aortic valve (AV) morphology is paramount for planning transcatheter AV implantation (TAVI). Nowadays, pre-TAVI sizing is routinely performed at one cardiac phase only, usually at mid-systole. Nonetheless, the AV is a dynamic structure that undergoes changes in size and shape throughout the cardiac cycle, which may be relevant for prosthesis selection. Thus, the aim of this study was to present and evaluate a novel software tool enabling the automatic sizing of the AV dynamically in three-dimensional (3D) transesophageal echocardiography (TEE) images...
January 30, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30689193/validation-of-a-novel-stand-alone-software-tool-for-image-guided-cardiac-catheter-therapy
#15
René van Es, Hans T van den Broek, Mira van der Naald, Leon de Jong, Eliane R Nieuwenhuis, Adriaan O Kraaijeveld, Pieter A Doevendans, Steven A J Chamuleau, Frebus J van Slochteren
Comparison of the targeting accuracy of a new software method for MRI-fluoroscopy guided endomyocardial interventions with a clinically available 3D endocardial electromechanical mapping system. The new CARTBox2 software enables therapy target selection based on infarction transmurality and local myocardial wall thickness deduced from preoperative MRI scans. The selected targets are stored in standard DICOM datasets. Fusion of these datasets with live fluoroscopy enables real-time visualization of MRI defined targets during fluoroscopy guided interventions without the need for external hardware...
January 28, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30689192/normal-values-of-the-pulmonary-artery-acceleration-time-paat-and-the-right-ventricular-ejection-time-rvet-in-children-and-adolescents-and-the-impact-of-the-paat-rvet-index-in-the-assessment-of-pulmonary-hypertension
#16
Sheeraz Habash, Kai Thorsten Laser, Julia Moosmann, Roland Reif, Werner Adler, Martin Glöckler, Deniz Kececioglu, Sven Dittrich
New echocardiographic modalities including pulmonary artery acceleration time (PAAT) and right ventricular ejection time (RVET) are evolving to facilitate an early non-invasive diagnosis for pulmonary hypertension (PH) in adults. In children, PAAT depends on age, body surface area (BSA) and heart rate (HR) and is used to predict PH. Normal values of RVET and their role to predict PH in children are still missing. PAAT/RVET-index correlates negatively with PH. We hypothesized that this index is a good predictor for PH in children and adolescents independent of age, BSA and HR and RVET is significantly reduced in PH...
January 28, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30684082/image-quality-and-radiation-dose-of-ecg-triggered-high-pitch-dual-source-cardiac-computed-tomography-angiography-in-children-for-the-evaluation-of-central-vascular-stents
#17
Christian A Barrera, Hansel J Otero, Ammie M White, David Saul, David M Biko
Assess image quality and radiation dose of ECG-triggered High-Pitch Dual-Source CTA for the evaluation central vascular stents in children. We included all children ≤ 21 years old with one or more central vascular stents and available prospective ECG-triggered High-Pitch Dual-Source CTA performed at our institution between January 2015 and August 2017. Demographic and scanner information was retrieved. Two board-certified pediatric radiologists blinded to the clinical data, independently reviewed and scored each case using a four-point quality score...
January 25, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30684081/anthracycline-induced-inconsistent-left-ventricular-segmental-systolic-function-variation-in-patients-with-lymphoma-detected-by-three-dimensional-speckle-tracking-imaging
#18
Yuchen Xu, Jing Shi, Rui Zhao, Chujie Zhang, Yiyao He, Jinyi Lin, Qunling Zhang, Xianhong Shu, Leilei Cheng
Chemotherapy contained anthracycline inevitably cause declines of cardiac function. This study evaluated the deterioration of left ventricular segmental systolic function in patients with lymphoma received anthracycline chemotherapy detected by echocardiographic three dimensional speckle tracking imaging (3D-STI). Sixty patients with newly diagnosed diffuse large B-cell lymphoma who received R-CHOP chemotherapy were enrolled. Three dimensional left ventricular global longitudinal strain (3D-GLS), three dimensional left ventricular global circumferential strain (3D-GCS) and three dimensional left ventricular longitudinal strain of different left ventricular segments (3D-LS) were measured by 3D-STI at baseline, after the completion of two cycles and four cycles of the regimen respectively...
January 25, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30684080/right-ventricular-basal-inflow-and-outflow-tract-diameters-overestimate-right-ventricular-size-in-subjects-with-sigmoid-shaped-interventricular-septum-a-study-using-three-dimensional-echocardiography
#19
Kazunori Okada, Sanae Kaga, Kosuke Tsujita, Yoichi Sakamoto, Nobuo Masauzi, Taisei Mikami
Sigmoid-shaped ventricular septum (SS), a frequently encountered minor abnormality in echocardiographic examinations of the elderly, may have some influence on RV shape. We aimed to determine the influence of SS on the accuracy of the 6 RV linear diameter measurements in the light of three-dimensional echocardiographic (3DE) RV volume. The aorto-septal angle (ASA) was measured in the parasternal long-axis view using two-dimensional echocardiography (2DE) as an index of SS in 70 patients without major cardiac abnormalities who were subdivided into 35 with SS (ASA ≤ 120°) and 35 without SS (NSS)...
January 25, 2019: International Journal of Cardiovascular Imaging
https://read.qxmd.com/read/30680654/the-prognostic-value-of-ultra-low-dose-thallium-myocardial-perfusion-protocol-using-czt-spect
#20
Veronika Bednárová, Vladimír Kincl, Milan Kamínek, Jiří Vašina, Roman Panovský, Jan Máchal
The purpose of this study was to assess the prognostic value of ultra-low dose thallium myocardial perfusion imaging. Three hundred and sixty-six patients (245 men) underwent ultra-low dose stress-redistribution imaging on CZT SPECT camera GE Discovery NM 530c. The stress test was performed by bicycle ergometry or regadenoson injection. The activity of 0.5 MBq (0.014 mCi) Tl-201 chloride per kilogram of body weight was administered. The stress images were acquired immediately and redistribution images were taken after 3 h...
January 24, 2019: International Journal of Cardiovascular Imaging
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