نتایج جستجو برای: invasive cardiac imaging

تعداد نتایج: 834853  

Journal: :Current Hypertension Reports 2021

Abstract Purpose of Review Resistant hypertension (RH) is a major contributor to cardiovascular diseases and associated with increased all-cause mortality. Cardiac changes such as impaired left ventricular (LV) function, hypertrophy (LVH), myocardial fibrosis, enlarged atrium (LA) are consequences chronic exposure an elevated blood pressure. The purpose this review article demonstrate the poten...

Journal: :Circulation. Cardiovascular imaging 2016
Franz Duca Andreas A Kammerlander Caroline Zotter-Tufaro Stefan Aschauer Marianne L Schwaiger Beatrice A Marzluf Diana Bonderman Julia Mascherbauer

BACKGROUND Myocardial extracellular volume (ECV) accumulation is one of the key pathophysiologic features of heart failure with preserved ejection fraction (HFpEF). Our aims were to (1) measure ECV by cardiac magnetic resonance T1 mapping using the modified Look-Locker inversion recovery (MOLLI) sequence, (2) validate MOLLI-ECV against histology, and (3) investigate the relationship between MOL...

2011
Dime Vitanovski Alexey Tsymbal Razvan Ioan Ionasec Bogdan Georgescu Shaohua Kevin Zhou Joachim Hornegger Dorin Comaniciu

Congenital heart defect (CHD) is the most common birth defect and a frequent cause of death for children. Tetralogy of Fallot (ToF) is the most often occurring CHD which affects in particular the pulmonary valve and trunk. Emerging interventional methods enable percutaneous pulmonary valve implantation, which constitute an alternative to open heart surgery. While minimal invasive methods become...

Journal: :Hong Kong medical journal = Xianggang yi xue za zhi 2003
W W M Lam N M C So A Chan J E Sanderson C Metreweli

Magnetic resonance imaging has an increasing role in the assessment of ischaemic heart disease. Its superb spatial and temporal resolution currently allows accurate assessment of cardiac function, regional wall motion, and the extent of myocardial infarction. Regional myocardial perfusion can also be assessed, most commonly by a first-pass technique. Non-invasive imaging of the coronary arterie...

Journal: :Radiology 2010
Jose A Rocha-Filho Ron Blankstein Leonid D Shturman Hiram G Bezerra David R Okada Ian S Rogers Brian Ghoshhajra Udo Hoffmann Gudrun Feuchtner Wilfred S Mamuya Thomas J Brady Ricardo C Cury

PURPOSE First, to assess the feasibility of a protocol involving stress-induced perfusion evaluated at computed tomography (CT) combined with cardiac CT angiography in a single examination and second, to assess the incremental value of perfusion imaging over cardiac CT angiography in a dual-source technique for the detection of obstructive coronary artery disease (CAD) in a high-risk population...

Journal: :The Medical journal of Malaysia 1980
M Paramsothy K T Singham

THE use of radionuclides in elucidating ischaemic heart disease is a recent development. Since Bonte et al. (1974) first described the concentration of 99mTechnetium labelled phosphates in acutely damaged myocardium numerous radiopharmaceuticals, techniques, experience and data have accumulated in the non-invasive imaging methods for the direct visualisation of acute myocardial infarction. The ...

2013
Maria Fernanda Braggion Santos Mohamed A Abdelrazek Evangelos Giannitsis Florian Andre

Background Cardiac involvement of patients with systemic lupus erythematosus (SLE) is one of the main complications contributing to morbidity and mortality, however a significant portion of patients presents with subclinical disease. Non-invasive contrast-enhanced cardiovascular magnetic resonance (CMR) imaging is a well-established diagnostic tool to identify myocardial tissue alterations and ...

Journal: :J. Comput. Physics 2016
Rajat Mittal Jung Hee Seo Vijay Vedula Young J. Choi Hang Liu H. Howie Huang Saurabh Jain Laurent Younes Theodore Abraham Richard T. George

The proliferation of four‐dimensional imaging technologies, increasing computational speeds, improved simulation algorithms, and the widespread availability of powerful computing platforms is enabling simulations of cardiac hemodynamics with unprecedented speed and fidelity. Since cardiovascular disease is intimately linked to cardiovascular hemodynamics, accurate assess...

2017
T. S. de Lange R. Y. G Tijssen P. Damman P. F. M. M. van Bergen

BACKGROUND An important number of patients with suspected cardiac chest pain have non-obstructive coronary artery disease. Our purpose was to describe the clinical characteristics of patients with normal or near-normal coronary arteries in routine cardiological practice in a secondary care hospital. METHODS In 2013, consecutive patients referred for invasive coronary angiography with suspecte...

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