Osama Abdalhadi Smettei

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Coronary artery fistulas (CAFs): Are anomalous connections of the coronary arteries (CA) with major vascular structures or heart chambers. Most of CAFs are incidental findings during invasive coronary angiography (ICA) or computed tomography angiography (CTA). Many patients with CAFs are asymptomatic; only a minority has been associated with various(More)
BACKGROUND The transradial approach has become the preferred vascular access during conventional coronary angiography (CCA). Hereby, we evaluated the impact of pre-procedural radial artery diameter (RAD), the cross-sectional area (CSA), and the perimeter on vascular complications (VACs). METHODS We conducted a single-center prospective analysis of 513(More)
BACKGROUND Coronary artery anomalies (CAAs) affect about 1% of the general population based on invasive coronary angiography (ICA) data, computed tomography angiography (CTA) enables better visualization of the origin, course, relation to the adjacent structures, and termination of CAAs compared to ICA. OBJECTIVE The aim of our work is to estimate the(More)
PURPOSE The purpose of the study was to evaluate the impact of excessive visceral adipose tissue (VAT) on subclinical coronary atherosclerosis and coronary artery calcifications (CAC) in young and middle-age groups using multislice computed tomography. METHODS This study is a single center, cross-sectional study. Eligible patients (n = 159), who under the(More)
INTRODUCTION Coronary artery disease is the leading cause of death worldwide. Although there are a number of algorithms in use for determining the risk of coronary artery disease and thus predicting future cardiovascular events, the data available regarding their validity among the Saudi population are insufficient. OBJECTIVE We studied the validity of(More)
We present a case of 13-year-old female with Turner syndrome (TS), who presented with unexplained lower limbs swelling and ejection systolic murmur at the left second intercostal space. Suspicion of mild aortic coarctation was made by echocardiography. Computed tomography angiography (CTA) showed a complete interruption of the aortic arch (IAA) below the(More)
INTRODUCTION Radiation exposure is one of the major limitations of computed tomographic coronary angiography (CTA). The purpose of this study was to compare the objective and subjective image quality and radiation dose using prospective ECG gating (PGA) versus ECG-controlled tube current modulation (ECTCM) scanning techniques. METHODS A prospective,(More)
BACKGROUND Excessive coronary calcification can lead to adverse outcomes after percutaneous coronary intervention (PCI). We therefore evaluated the impact of coronary calcium score (CCS) measured by multidetector computed tomography (MDCT) on immediate complications of PCI and rate of restenosis. METHODS We performed a single-center retrospective analysis(More)
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