نتایج جستجو برای: cardiac imaging techniques
تعداد نتایج: 1282317 فیلتر نتایج به سال:
Abstract Background Cardiac masses (CMs) are a diagnostic dilemma in clinical practice and require multimodality imaging to assess malignancy, which is essential guide the proper treatment. Aim To define accuracy agreement between echocardiographic features second-level techniques (cardiac computed tomography – CCT or cardiac magnetic resonance CMR) patients with CMs. Methods All consecutive hi...
Intra-cardiac masses present an important problem in cardiology. The differential diagnoses includes tumours, which may be primary (benign or malignant) or metastatic, and infected mural thrombi.Myxomas, sarcomas, breast, lung and renal cancer represent the commonest causes of primary benign, malignant and metastatic intra-cardiac masses, respectively.Recent studies have shown that cardiac invo...
Background Exercise stress cardiac magnetic resonance (CMR) has recently become feasible with the development of a fully MRI-compatible treadmill system along with improvements in imaging techniques. The utility of this setup has not been systematically compared with nuclear perfusion imaging. The study objective was to evaluate the accuracy and prognostic value of exercise stress CMR with a tr...
Background Non-Cartesian parallel imaging is a promising approach for reducing the scan time in multi-slice first-pass myocardial perfusion imaging, allowing increasing volumetric coverage in comparison with standard techniques. Through-time radial GRAPPA has previously been demonstrated for real-time functional cardiac imaging [Seiberlich, et al. MRM 2011 Feb;65 (2):492-505]. In this work, the...
Primary cardiac tumors are a rare entity whose incidence is 0.3% to 0.7% of all cardiac tumors. The aim of this study was review of modern data of heart tumors epidemiology, etiology, pathogenesis and diagnostic procedures. Symptom presentation for cardiac tumors is quite varied, but it is dependent upon their location and size, rather than upon histological characteristics. The diagnosis of ca...
Percutaneous interventions have transformed management of many congenital heart lesions from fetal life through adulthood. This article is the second a two-part review recent developments in cardiac interventions, including advances devices and techniques for atrial ventricular septal defect closure, endovascular stenting obstructive lesions, interventions; as well novel three-dimensional (3D) ...
parathyroid adenomas, or hyperplasia may be present in patients with hypercalcemia. treatment is by surgical excision, but about 10% of the lesions may be in ectopic locations. pre-operative localization of the lesions with non-lvasive imaging, using radionuclides, ultrasound, ct, or mr], may simplify surgery, and reduce patient morbidity. however, the reports of the accuracy of the currently a...
Current imaging methods have focused on evaluation of myocardial anatomy and function. However, since myocardial metabolism and function are interrelated, metabolic myocardial imaging techniques, such as positron emission tomography, single photon emission tomography, and magnetic resonance spectroscopy present novel opportunities for probing myocardial pathology and developing new therapeutic ...
PURPOSE OF REVIEW To give an update on the emerging role of cardiac magnetic resonance imaging in the evaluation of patients with heart failure with preserved ejection fraction (HFpEF). This is important as the diagnosis of HFpEF remains challenging and cardiac imaging is pivotal in establishing the function of the heart and whether there is evidence of structural heart disease or diastolic dys...
In recent years, technical advances and improvements in cardiac computed tomography (CT) and cardiac magnetic resonance imaging (MRI) have provoked increasing interest in the potential clinical role of these techniques in the non-invasive work-up of patients with suspected coronary artery disease (CAD) and correct patient selection for these emerging imaging techniques. In the primary detection...
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