نتایج جستجو برای: cardiac veins
تعداد نتایج: 291897 فیلتر نتایج به سال:
External valvuloplasty has been gaining in popularity as an alternative treatment for incompetent great saphenous veins. The procedure involves the implantation of a synthetic cuff around the saphenofemoral junction to compress the vein to a physiological diameter and thus restore the competence of the terminal and preterminal veins (1) (▶ Fig. 1). The important advantage of this method is that...
Atrial fibrillation is the most common clinical cardiac arrhythmia. It is often initiated by ectopic beats arising from the pulmonary veins and atrium, but the source and mechanism of these beats remains unclear. The melanin synthesis enzyme dopachrome tautomerase (DCT) is involved in intracellular calcium and reactive species regulation in melanocytes. Given that dysregulation of intracellular...
New onset atrial fibrillation (AF) is the commonest complication after cardiac surgery affecting around 30% of coronary artery bypass graft (CABG) patients, up to 50% of valve surgery patients and as many as 60% of those undergoing combined valve and CABG operations. After cardiac transplantation where the native pulmonary veins are electrically separated from the donor heart atria the incidenc...
background: differences in the quantity and distribution of coronary veins between patients with ischemic and non-ischemic cardiomyopathy might affect the potential for the left ventricular (lv) lead targeting in patients undergoing cardiac resynchronization therapy (crt). in the current study, we assessed and compared the suitability of the coronary venous system for the lv lead placement in i...
Sanyal, Shyamal K., Kaur, Inder, Hooja, Vijaya, Thapar, Mohinder, K., and Vaishnava, Sarla (1970). Archives ofDisease in Childhood, 45, 198. Staphylococcal pericarditis with cardiac tamponade in children. Six children with acute staphylococcal pericarditis with cardiac tamponade are presented. In any patient with staphylococcal infection, the sudden onset of dyspnoea, tachycardia, tachypnoea, d...
Torso stab injuries near the cardiac box may present unique challenges due to difficulties in hemorrhage control. For a injury heart, repair is straightforwardly performed via median sternotomy. In contrast, inferior vena cava are challenging repair, especially when they close diaphragm, and bleeding can be torrential. Herein, we describe case of self-inflicted wound within "cardiac box." The t...
cc This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. A 79-year-old man presented with swelling of the left arm. He had undergone implantation ...
AIMS There existed an ambiguity in the current echo literature about the identification of the pulmonary veins imaged by echocardiography. This study was designed to identify the site and blood flow of individual pulmonary veins by transthoracic echocardiography. METHODS AND RESULTS Transthoracic echocardiography was used to display individual pulmonary veins in the apical and parasternal sho...
BACKGROUND Multi-slice computed tomography (MSCT) can be used to visualize the anatomy of the coronary venous system (CVS). A pre-procedural evaluation of target veins is a very important element of cardiac resynchronization. Thus, the quality of visualization of the CVS is of great importance. The aim of this study was to analyze the quality of visualization of CVS in MSCT. METHODS In 220 su...
INTRODUCTION Patent paraumbilical and abdominal subcutaneous veins are found frequently as collaterals in patients due to portal hypertension mainly in liver cirrhosis. CASE PRESENTATION For evaluation of portal hypertension in a 72-year-old Caucasian man without liver cirrhosis, magnetic resonance imaging with gadolinium contrast-enhancement was performed and demonstrated a missing inferior ...
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