نتایج جستجو برای: vascular density
تعداد نتایج: 621090 فیلتر نتایج به سال:
The review presents data on optical coherence tomography angiography (OCTA) in the diagnostics of diseases anterior segment eye. In addition to qualitative assessment pathological changes, method gives quantitative characteristics vascular density. OCTA is informative for vasculature evaluation burns, inflammatory diseases, ischemic injury, and intratumoral vessels visualization.
We formulate a theoretical model to analyze the vascular remodelling process of an arterio-venous vessel network during solid tumour growth. The model incorporates a hierarchically organized initial vasculature comprising arteries, veins and capillaries, and involves sprouting angiogenesis, vessel cooption, dilation and regression as well as tumour cell proliferation and death. The emerging tum...
A 58-year-old man, included in cohort A of the Bioabsorbable Vascular Solutions First in Man Clinical Investigation: A Clinical Evaluation of the Bioabsorbable Vascular Solutions Everolimus Eluting Coronary Stent System in the Treatment of Patients With Single de Novo Native Coronary Artery Lesions (ABSORB) trial,1 had undergone implantation of a bioresorbable everolimus-eluting scaffold (BVS; ...
Vascular aging plays an important role in the mortality of the elderly, but vascular aging can be dependent on other factors such as diseases. Various diseases such as Alzheimer, diabetes, thalassemia, and other diseases affect the mechanisms of vascular aging. It will harm the recovery process of these patients. There are methods for measuring vascular aging such as instrumental measurements a...
Skeletal muscle blood flow capacity (BFC) is increased by exercise training due to structural vascular remodeling (in the form of angiogenesis of capillaries and remodeling of the arterial tree within skeletal muscle) and/or altered control of vascular resistance. Changes in control can be central or the result of changes in reactivity of arteries and arterioles (due to changes in vascular smoo...
Oxidized low-density lipoproteins increase arginase activity and reciprocally decrease endothelial NO in human aortic endothelial cells. Here, we demonstrate that vascular endothelial arginase activity is increased in atherogenic-prone apolipoprotein E-null (ApoE(-/-)) and wild-type mice fed a high cholesterol diet. In ApoE(-/-) mice, selective arginase II inhibition or deletion of the arginase...
kaposiform hemangioendothelioma (khe) appears as a single lesion at birth or early infancy in an equal sex ratio. a rare aggressive vascular proliferation has been recognized as a separate entity from other childhood vascular neoplasm. a 3-year-old iranian boy with a rapidly enlarging mass in his (posterior aspect of skull at the midline) skull was present here. physical examination revealed a ...
background and objective: vascular endothelial growth factor (vegf) is a cytokine which is overexpressed in many malignant cancers including leukemia. vegf plays an important role in tumor invasion and metastasis. determination of the pattern of vegf expression in human leukemic cell lines could be useful not only in screening of new antileukemic agents but also to study the mechanism of their ...
objective: to evaluate the adnexal masses with conventional gray scale and color doppler flow imaging and to assess their diagnostic reliability to differentiate benign and malignant adnexal masses. materials and methods: we evaluated 30 patients with adnexal mass. morphological characterization of the mass was done using sassone score. color doppler parameters noted down in each patient and ca...
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