نتایج جستجو برای: cac
تعداد نتایج: 2668 فیلتر نتایج به سال:
C oronary artery calcium (CAC) imaging with noncontrast cardiac computed tomography has emerged as a robust method to reclassify atherosclerotic cardiovascular disease (ASCVD) risk. 1 Rigorously conducted observational studies have consistently demonstrated marked increases in ASCVD events in those with elevated CAC. 2–4 In addition, the absence of CAC on cardiac computed tomographic imaging is...
Connection Admission Control (CAC) is one of the primary mechanisms for preventive congestion control and bandwidth allocation in ATM networks. A substantial number of CAC schemes have been proposed. In this paper, we review the salient features of some of these algorithms. We also provide a comparative study of the performance of CAC schemes devised to meet certain quality of service requireme...
Abstract Inflammation inspires the development of cancer and contributes to all stages tumorigenesis. Inflammatory bowel disease (IBD) is involved with an elevated risk colitis-associated colorectal (CAC). NLRP3 inflammasome linked progression survival in cancer; however, underlying mechanism CAC remains unclear. Nlrp3 mRNA highly expressed AOM/DSS induced-CAC. Using bioinformatics analysis, we...
BACKGROUND Presence of systemic inflammation in chronic kidney disease (CKD) is associated with advanced coronary artery calcification (CAC). The prognostic significance of this association, however, is unknown. We evaluated the associations between CAC, estimated glomerular filtration rate (eGFR) and all-cause mortality, to determine whether the associations differ according to the presence of...
BACKGROUND Coronary artery calcification (CAC) is widely regarded as a cumulative lifetime measure of atherosclerosis, but it remains unclear what is the relationship between calcification and traditional risk factors for coronary artery disease (CAD) and myocardial infarction (MI). This study characterizes the genetic architecture of CAC by evaluating the overall impact of common alleles assoc...
Coronary artery calcification (CAC) was assessed by cinefluoroscopy and its extent was scored (CAC score) in 2,163 consecutive patients undergoing coronary angiography, based on the angiographic and clinical data, the patients were categorized into 8 types of coronary artery disease (CAD). The CAC score was lowest in angiographically normal subjects (0.12+/-0.60) and highest in patients with si...
PURPOSE To use a recently described regression approach to evaluate agreement in the quantity of coronary artery calcification (CAC) with two consecutive acquisitions (dual scan runs) at electron-beam computed tomography (CT) in a quality-control program and to assess the change in CAC quantity over time in an individual. MATERIALS AND METHODS A total of 1,376 asymptomatic research participan...
The aim of this study was to determine the magnitude and significance of the associations among coronary artery calcium (CAC) and systolic blood pressure, diastolic blood pressure, pulse pressure, and mean arterial pressure. Women 50 to 59 years of age at baseline in the Women's Health Initiative clinical trial of conjugated equine estrogen underwent computed tomography scanning of the chest af...
BACKGROUND Data on the influence of glycemic status on the progression of coronary calcification, an important marker for future adverse cardiovascular events, are limited. METHODS Data from the Korea Initiatives on Coronary Artery Calcification (KOICA) registry on 12,441 asymptomatic Korean adults (52 ± 9 years, 84.2% males) without previous history of coronary artery disease and stroke, who...
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