نتایج جستجو برای: extended balloon model
تعداد نتایج: 2291441 فیلتر نتایج به سال:
OBJECTIVE The dynamic expressions of monocyte chemo attractant protein-1 (MCP-1) and CC chamomile receptor 2 (CCR2) after balloon injury and their effects in intimal proliferation were discussed. In this study, the expression of MCP-1 and its receptor during the intimal proliferation in rat artery after balloon injury were studied. METHODS Using the model of balloon injury of rats' arteries, ...
BACKGROUND The optimal therapy for in-stent restenosis (ISR) is controversial. We evaluated three different strategies for the treatment of in-stent restenosis: cutting balloon angioplasty (CBA), paclitaxel-eluting balloon angioplasty (PEBA) and cutting balloon followed by paclitaxel-eluting balloon angioplasty (CB+PEBA). METHODS Forty-five coronary arteries in 45 mini-pigs underwent oversize...
rheumatic mitral valve stenosis is the most common form of organic heart disease encountered during pregnancy and continues to cause maternal and fetal mortality. medically refractory congestive heart failure due to mitral stenosis is a clinical challenge and its optimal management remains controversial. on the other hand due to hazard of x-ray to mother and fetus, there are some limitations fo...
This paper presents a novel metaheuristic method for solving an extended Markowitz portfolio selection model. In the extended model, the objective function has been modified to include realistic objectives and four additional sets of constraints, i.e., bounds on holdings, cardinality, minimum transaction lots, and liquidity constraints have been also included. The first set of constraints gua...
A mechanical theory is described for a phenomenon in the surgical procedure of resuscitative endovascular balloon occlusion aorta (REBOA). In this pushed into by catheter and then inflated order to stop haemorrhage. One hazards tendency migrate away from its intended position. This work examines mechanics anchoring migration analysing effects pressure waves, sheet flow solid friction thin gap b...
Background HIV/AIDS is one of the major public health problems and a barrier to the progress of human civilization that is considered as a big concern for people all around the world. Premarital sexual abstinence is introduced as the most effective way to avoid HIV/AIDS. This study aimed to determine associated factors in the preventing behaviors of HIV/AIDS among young people using the Extende...
Introduction: Diabetes is the most common disease related to metabolism disorders with long term complications. It needs lifelong specific self-care, as it causes a promotion in quality of life and decreases disease costs. The Health Belief Model (HBM) is a psychological model that attempts to explain and predict health behaviors. This is done by focusing on the attitudes and beliefs of individ...
BACKGROUND Controversy still exists over the optimal balloon size, extent of vascular disruption, and long-term results of balloon dilation therapy for coarctation of the aorta. Intravascular ultrasound imaging has been used in patients with coronary artery disease to provide further insight into the anatomy of atherosclerotic lesions and the results of angioplasty and atherectomy. Initial obse...
Inhibition of proliferative neointima formed by vascular smooth muscle cells is a potential target in preventing angioplasty-induced restenosis. We have created a potent antiproliferative by fusing the active regions of the p27 and p16 cell cycle inhibitors. Intravascular delivery of a replication-deficient adenoviral vector (AV) encoding this p27-p16 fusion protein, named W9, inhibited balloon...
Stratospheric measurements of acetylene up to altitudes of 30 km are presented. The air samples were collected during three different balloon flights, two of them at 44°N, one at nON using balloon borne, liquid neon-eooled, cryosamplers. Their acetylene concentration was measured in the laboratory by flame ionisation gaschromatography. The different profiles at nON and 44°N are discussed with r...
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