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67 results for “Blood pressure”
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Research ArticleOpen accessIn the abstractDynamic Stress Analysis of the Arterial Wall Utilizing Physiological Pressure WaveformsM.M. Khani, M. Tafazzoli-Shadpour, S. Delavarpour et al.Arterial diseases, promoted by alterations in arterial wall properties, are among the main causes of mortality. Mechanical stresses of the arterial wall caused by pulsatile luminal pressure define arterial function in normal and pathological conditions. This study aims to determine dynamic stress distribution in the arterial wall subjected to physiological pressure waveforms. Finite element models of a typical artery are … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,167 accessesView PDFCite
Research ArticleOpen accessIn the abstractAbdominal and Thoracic Aortic Aneurysm ModelingMona Abdolrazaghi, Mehdi NavidBakhsh, Kamran HassaniModeling is a beneficial tool for understanding cardiovascular system functioning and pathophysiology of the system. The present study is concerned with left ventricle Pressure-Volume diagrams obtained by modeling of aortic aneurysms using the cardiovascular electronic system. In addition, these graphs were compared with a normal condition. The electrical circuit of the cardiovascular system consists of 42 segments including the main … …American Journal of Applied Sciences, Vol. 5, Issue 8 · 31 Aug 2008 · 6,611 accessesView PDFCite
Research ArticleOpen accessIn the abstractLipid Profile of Gymnasts of the Jordan National TeamAhmad Bani Ata, Kamal Mansi, Talal AburjaiThis study was carried out to assess the lipid pattern in gymnasts of the Jordan National Team. Twelve athletes represent the National gymnastic team (4 males and 8 females, mean age 18±1 year) were included in this study. The training period for them is not less eight years during which they trained 18 hours weekly at least. A group of … …American Journal of Applied Sciences, Vol. 5, Issue 6 · 30 Jun 2008 · 7,536 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffect of Stent Geometry on Phase Shift between Pressure and Flow Waveforms in Stented Human Coronary ArteryVahab Dehlaghi, Siamak Najarian, Mohammad Tafazzoli ShadpourShear stress is known to play a central role in restenosis formation and is sensitive to stent geometry. Alterations of the phase shift between pressure and flow waveform created by a different stents were studied to compare the hemodynamic effects of stent design properties on restenosis in stented human coronary artery. Blood pressure waveforms were computed in three different sites, … …American Journal of Applied Sciences, Vol. 5, Issue 4 · 30 Apr 2008 · 7,254 accessesView PDFCite
Research ArticleOpen accessIn the abstractAcute Hypotensive and Diuretic Activities of Chamaemelum nobile Aqueous Extract in Normal RatsN. A. Zeggwagh, J. B. Michel, M. EddouksThis study aims to evaluate the effect of Chamaemelum nobile (Cn) intravenous injection on cardiovascular and renal function of normal rats. Intravenous bolus injection of Cn at the dose of 50, 100 and 200 mg kg-1, produced dose dependent reduction in arterial blood pressure (p<0.001). Significant reduction in heart frequency was observed after Cn injection at a dose of 100 … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 3 · 30 Sep 2007 · 7,119 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy the Effects of Ramadan Fasting on the Serum Glucose and Lipid Profile among Healthy Jordanian StudentsKama Mohmoud Saleh MansiRamadan is the holiest month in the Islamic calendar and Muslims fast during this month. We designed this study to evaluate the effect of Ramadan fasting on plasma lipids profile and serum glucose among healthy Jordanian students. Ramadan fasting entails major changes in sleep pattern, physical activity and eating habits, which may cause changes in metabolism both in health and … …American Journal of Applied Sciences, Vol. 4, Issue 8 · 31 Aug 2007 · 8,466 accessesView PDFCite
Research ArticleOpen accessIn the abstractFlow Characteristics in Elastic Arteries Using a Fluid-Structure Interaction ModelH. Niroomand Oscuii, M. Tafazzoli Shadpour, Farzan GhalichiIn this study the interaction of blood flow with arterial wall has been investigated using FSI (Fluid-Structure Interaction) modeling. Computer simulation of pulsatile blood flow was carried out on the basis of the time dependent axisymmetric Navier-Stokes equations for an incompressible Newtonian fluid flow. An elastic incompressible material with large deformation was considered for the arterial wall and momentum and … …American Journal of Applied Sciences, Vol. 4, Issue 8 · 31 Aug 2007 · 7,432 accessesView PDFCite
Research ArticleOpen accessIn the abstractNumerical Analysis of Pulsatile Blood Flow in a Stented Human Coronary Artery with a Flow DividerVahab Dehlaghi, Mohammad Tafazoli Shadpoor, Siamak NajarianShear stress is known to play a central role in restenosis formation and is sensitive to stent geometry. Local flow alterations created by a different stents without and with flow divider were studied to compare the hemodynamic effects of Stent design properties on restenosis in stented human coronary artery. Blood pressure and shear stress values were computed in three different … …American Journal of Applied Sciences, Vol. 4, Issue 6 · 30 Jun 2007 · 6,523 accessesView PDFCite
Research ArticleOpen accessIn the abstractIn vitro Activation of Human and Rat Lymphocyte and Macrophage Functions by NorepinephrineRicardo Gomez-Flores, Diana Caballero-Hernandez, Richard J. Weber et al.Norepinephrine (NE) has been associated not only with increasing blood pressure, atherosclerosis, heart disease, and other life threatening conditions, but also with altering immune responses by influencing leukocyte functions. In the present study, we evaluated the in vitro effects of NE on rat thymic lymphocyte and human peripheral blood mononuclear cells (HPBMC) functions. We observed that NE marginally, but significantly … …American Journal of Immunology, Vol. 1, Issue 4 · 31 Dec 2005 · 7,078 accessesView PDFCite
InvestigationOpen accessIn the abstractDiabetes Group Visit in a Primary Care SettingSelma Mujezinovic RochesterThe group visits models one innovation in the field of chronic illness management that shows promise in meeting the growing demands for this type of care. Patients get significant peer and healthcare provider support during group visits. Group visits typically last 90 min and occur on a regularly scheduled basis. The study design was a quasi-experimental pre-post-test with a comparison … …International Journal of Research in Nursing, Vol. 7, Issue 2 · 30 Jun 2017 · 7,235 accessesView PDFCite