نتایج جستجو برای: collateral vessel
تعداد نتایج: 97118 فیلتر نتایج به سال:
In the mouse model of permanent, middle cerebral artery occlusion, infarct volume varies widely across inbred strains but generally is inversely correlated with collateral vessel number. However, we also observed certain mouse strains that share similar collateral vessel anatomy but exhibit significantly different infarct volume. To identify genetic factors determining infarct volume in a colla...
Arteriogenesis requires growth of pre-existing arteriolar collateral networks and determines clinical outcome in arterial occlusive diseases. Factors responsible for the development of arteriolar collateral networks are poorly understood. The Notch ligand Delta-like 4 (Dll4) promotes arterial differentiation and restricts vessel branching. We hypothesized that Dll4 may act as a genetic determin...
Although it is commonly believed that ischemia does not develop during coronary intervention in patients with rich collateral circulation to the target vessel, ST changes are often observed, the study group comprised 40 consecutive patients who underwent elective percutaneous coronary angioplasty and who had rich collateral vessels to the target lesions. None had side branches in the target ves...
large intercoronary communications in the absence of obstructive coronary artery disease constitute a very rare coronary artery anomaly in which there is a readily visible connection between the 2 coronary arteries with a unidirectional or bidirectional blood flow; consequently, this anomaly may be misinterpreted as a functioning collateral vessel, indicative of an unrecognized proximal coronar...
BACKGROUND To investigate the effects of collateral coronary circulation on the outcome of the patients with anterior myocardial infarction (MI) with left anterior desending artery occlusion abruptly. METHODS Data of 189 patients with acute anterior MI who had a primary percutaneous coronary intervention (PCI) in the first 12 h from the onset of symptoms between January 2004 and December 2008...
Chu PL, Keum S, Marchuk DA. A novel genetic locus modulates infarct volume independently of the extent of collateral circulation. Physiol Genomics 45: 751–763, 2013. First published June 25, 2013; doi:10.1152/physiolgenomics.00063.2013.—In the mouse model of permanent, middle cerebral artery occlusion, infarct volume varies widely across inbred strains but generally is inversely correlated with...
PURPOSE Our aim to assess clinical significance of the relation between inferior mesenteric vein ligation and collateral blood supply (meandering mesenteric artery) to the splenic flexure with elaboration more in anatomical landmarks and technical tips. MATERIALS AND METHODS We review the literature regarding the significance of the collateral vessels around inferior mesenteric vein (IMV) roo...
Three patients with indications for percutaneous transluminal angioplasty of a totally occluded coronary artery also had distal opacification by a collateral vessel. The balloon catheter and guide wire were manipulated proximally through the guide catheter. With a second catheter, angiography of the collateral vessel opacified the occluded artery distal to the obstruction. In all three cases, s...
&HEEL, KONRAD Mr., MANUEL BANET, COBERN OTT, AND PATRICK H. LEHAN. A quantitative approach to collateral and antegrade flows after coronary occlusion. Am. J. Physiol. 222(3): 687-694. 1972.-In an isolated dog heart preparation, the circumflex, anterior descending, and right coronary arteries were simultaneously perfused and blood flow was monitored by electromagnetic flow probes. The retrograde...
We conducted a case-control study to investigate whether vascular endothelial growth factor (VEGF -2578, -1154, -634, and 936) and kinase insert domain containing receptor (KDR -604, 1192, and 1719) polymorphisms are associated with moyamoya disease. Korean patients with moyamoya disease (n = 107, mean age, 20.9±15.9 years; 66.4% female) and 243 healthy control subjects (mean age, 23.0±16.1 yea...
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