نتایج جستجو برای: calcified plaque
تعداد نتایج: 40537 فیلتر نتایج به سال:
Atherosclerosis causes clinical disease through luminal narrowing or by precipitating thrombi that obstruct blood flow to the heart (coronary heart disease), brain (ischemic stroke), or lower extremities (peripheral vascular disease). The most common of these manifestations is coronary heart disease, including stable angina pectoris and the acute coronary syndromes. Atherosclerosis is a lipopro...
Contrast-enhanced computed tomography of the neck permits low-risk evaluation of morphologic complications of carotid plaque, including (and foremost) calcification. To investigate the patterns and clinical significance of calcified deposits in the cervical carotid arteries using computed tomography we studied 40 patients with unilateral symptoms of hemispheric ischemia. Calcium deposits observ...
Direct noninvasive assessment of the characteristics of coronary atherosclerotic plaques is important to improve cardiovascular risk stratification and to monitor the course of coronary artery disease. Coronary computed tomography angiography (CCTA) has become an effective tool for noninvasive evaluation of coronary artery calcium and plaque components. Using CCTA, atherosclerotic plaques can b...
Abstract Introduction The presence and extent of penile calcifications is an important factor in disease management Peyronie’s Disease (PD). Calcified plaques may necessitate plaque excision grafting (E&G) addition to other therapies or surgeries. PD pathology such as corporal septal involvement, multifocal calcifications, circumferential calcification can be difficult assess on color doppl...
Our data shows the regional coronary artery calcium scores (lesion CAC) on multidetector computed tomography (MDCT) and the cross-section imaging on MDCT angiography (CTA) in the target lesion of the patients with stable angina pectoris who were scheduled for percutaneous coronary intervention (PCI). CAC and CTA data were measured using a 128-slice scanner (Somatom Definition AS+; Siemens Medic...
BACKGROUND Although age and sex distributions of calcified coronary plaque have been well described in the general population, noncalcified plaque (NCP) distributions remain unknown. This is important because NCP is a putative precursor for clinical coronary artery disease and could serve as a sentinel for aggressive primary prevention, especially in high-risk populations. We examined the distr...
the imaging of atherosclerosis in patients. Intravascular ultrasound (IVUS) has evolved as a valuable adjunct to angiography, providing insights that are significantly altering conventional paradigms in diagnosis and therapy. IVUS translates the strength (amplitude) of reflected ultrasonic transmissions at the tip of an intravascular catheter equipped with a tiny transducer into gray-scale pixe...
BACKGROUND AND PURPOSE Carotid artery plaque types can be categorized with CT according to their HU values. The purpose of this work was to analyze carotid artery plaque characteristics by using multienergy imaging. METHODS AND MATERIALS Thirty-two consecutive patients (23 men; median age, 70 years) were retrospectively analyzed. Carotid arteries were studied with a multienergy CT scanner. Al...
Unlike balloon dilation that results in the displacement of atherosclerotic plaque with multiple intimal tears, rotational atherectomy (RA) is based on the principle of differential cutting that allows for physical removal of inelastic atherosclerotic material while rendering the inner lumen surface smooth. Although plaque reduction by pulverization of atherosclerotic material into <10 μm parti...
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