نتایج جستجو برای: cmr
تعداد نتایج: 6837 فیلتر نتایج به سال:
BACKGROUND With multifaceted imaging capabilities, cardiovascular magnetic resonance (CMR) is playing a progressively increasing role in the management of various cardiac conditions. A global registry that harmonizes data from international centers, with participation policies that aim to be open and inclusive of all CMR programs, can support future evidence-based growth in CMR. METHODS The G...
The purpose of this study was to evaluate the feasibility and accuracy of combined coronary and perfusion cardiovascular magnetic resonance (CMR) in the assessment of coronary artery stenosis. Thirty-five consecutive patients (27 men, eight women, age range 34-81 years), undergoing cardiac catheterization, were assessed with 3D coronary CMR and rest-stress perfusion CMR. Significant coronary st...
OBJECTIVES The aim of this study was to compare fully quantitative cardiovascular magnetic resonance (CMR) and positron emission tomography (PET) myocardial perfusion and myocardial perfusion reserve (MPR) measurements in patients with coronary artery disease (CAD). BACKGROUND Absolute quantification of myocardial perfusion and MPR with PET have proven diagnostic and prognostic roles in patie...
BACKGROUND Late gadolinium enhanced cardiovascular magnetic resonance (LGE-CMR) has excellent specificity, sensitivity and diagnostic accuracy for differentiating between ischemic cardiomyopathy (ICM) and non-ischemic dilated cardiomyopathy (NICM). CMR first-pass myocardial perfusion imaging (perfusion-CMR) may also play role in distinguishing heart failure of ischemic and non-ischemic origins,...
کنوانسیون CMR ناظر به حمل و نقل بین‌المللی کالا از طریق جاده است. از موضوعات مهم و پرکاربرد حمل و نقل، مسئلۀ «راهنامه» است که بررسی احکام و مسائل مربوط به آن شایسته می‌نماید. این جستار درصدد بررسی ماهیت، ویژگی‌ها، شرایط و آثار راهنامه است. با توجه به نتیجۀ این پژوهش، راهنامه که سندی است تجاری، دلیل بر مالکیت کالا نبوده، قابل توثیق و انتقال نیست و همچنین نقشی در تشکیل قرارداد حمل ندارد. البته از...
OBJECTIVES This study sought to compare contrast-enhanced anatomic imaging and contrast-enhanced tissue characterization (delayed-enhancement cardiac magnetic resonance [DE-CMR]) for left ventricular (LV) thrombus detection. BACKGROUND Contrast echocardiography (echo) detects LV thrombus based on anatomic appearance, whereas DE-CMR imaging detects thrombus based on tissue characteristics. Alt...
BACKGROUND Pulse wave velocity (PWV) is a biomarker for arterial stiffness, clinically assessed by applanation tonometry (AT). Increased use of phase-contrast cardiac magnetic resonance (CMR) imaging allows for PWV assessment with minor routine protocol additions. The aims were to investigate the acquired temporal resolution needed for accurate and precise measurements of CMR-PWV, and develop a...
BACKGROUND UK Biobank's ambitious aim is to perform cardiovascular magnetic resonance (CMR) in 100,000 people previously recruited into this prospective cohort study of half a million 40-69 year-olds. METHODS/DESIGN We describe the CMR protocol applied in UK Biobank's pilot phase, which will be extended into the main phase with three centres using the same equipment and protocols. The CMR pro...
AIMS To analyse the predictive role of myocardial inflammation assessed by cardiac magnetic resonance (CMR) on the outcome of recently diagnosed dilated cardiomyopathy in children. METHODS AND RESULTS Over a period of 4 years, 66 children underwent CMR within 2 weeks after the diagnosis of dilated cardiomyopathy. CMR sequences sensitive for oedema, hyperaemia, and irreversible injury were app...
INTRODUCTION Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a rare but important cause of sudden cardiac death. We investigated the role of cardiac magnetic resonance imaging (CMR) in the evaluation of patients with suspected ARVC referred by a general cardiology service. METHODS Ninety-two patients (mean age 48 ± 15, 49% female), referred for CMR assessment of possible ARVC, were ...
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