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10 results for “Stenosis”
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Review ArticleOpen accessEvery word in the titleTheory and Strategies of Atherosclerotic Renal Artery Stenosis TreatmentAnastasia V. Poznyak, Nikolay A. Orekhov, Gulalek Amanmyradovna Babayeva et al.Atherosclerosis is a disease that affects large arteries and contributes to the development of cardiovascular disease and adverse events. The main characteristic of this disease is the formation of plaques that narrow the lumen of the vessel. However, atherosclerosis is not the only cause of vasoconstriction. For example, various causes may be involved in renal artery stenosis, such as vasculitis … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 3 · 4 Jan 2026 · 1,859 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleSOLITARY WAVE MODULATION IN AN ARTERY WITH STENOSIS FILLED WITH A VISCOUS FLUIDYaan Yee Choy, Kim Gaik Tay, Chee Tiong OngIn this study, the derivation of mathematical model for the wave modulation through an incompressible viscous fluid contained in a prestressed thin stenosed elastic tube is presented. The artery is assumed to be incompressible, prestressed thin walled elastic tube with a symmetrical stenosis, whereas the blood is considered to be incompressible and Newtonian fluid. By utilizing the nonlinear equations of … …Journal of Mathematics and Statistics, Vol. 9, Issue 3 · 4 Sep 2013 · 7,085 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCOMPLICATED CASE OF RHEUMATIC HEART DISEASE; UNEXPLORED FOR YEARSM. Arif Khan, Raj Kishore Pandey, Tarique Nadeem et al.Rheumatic heart disease is a one of the very common heart problem commonly prevalent among the children of developing countries, may occur in adults in their fourties also, if undiagnosed in early ages, similar in symptoms to ’rheumatism’ but quite difficult to diagnose or are often misdiagnosed. The main objective of this article is to make acquainted about the disease … …OnLine Journal of Biological Sciences, Vol. 14, Issue 1 · 23 Jan 2014 · 7,797 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTactile Distinction of an Artery and a Tumor in a Soft Tissue by Finite Element MethodAli Abouei Mehrizi, Siamak Najarian, Majid Moini, Farhad Tabatabai GhomsheTactile detection of a tumor and an artery in a tissue and distinction of a healthy artery from a stenotic artery, using finite element method, are presented. Four 2D models of tissue have been created: tissue itself, tissue including a tumor (TIT), tissue including a healthy artery (TIHA), and tissue including a stenotic artery (TISA). After solving four models with … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 7,596 accessesView PDFCite
Literature ReviewOpen accessIn the abstractDiagnostic Imaging of Gastrointestinal Tumours in Dogs and Cats: A ReviewFrancesco Simeoni, Francesca Del Signore, Rossella Terragni et al.Gastrointestinal tract tumours in dogs and cats are characterized by non-specific clinical presentation and laboratory abnormalities, but require fast identification, characterization and staging. Imaging techniques play a key role in the diagnostic process of these diseases in routine veterinary practice. Survey and contrast radiography may indicate primary or secondary signs of gastric or intestinal neoplasia such as a wall mass, … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 2 · 15 Apr 2020 · 9,833 accessesView PDFCite
Research ArticleOpen accessIn the abstractImproving Medical Imaging and Blood Flow Measurement by using a New Doppler Effect RelationshipFlorian Ion T. PetrescuThe Doppler Effect represents the frequency variation of the waves, received by an observer which is drawing (coming), respectively it’s removing (going), from a wave spring (source). One proposes to study the Doppler Effect for the light waves, generally for the electromagnetic waves. Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842 in … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 4 · 14 Oct 2015 · 12,852 accessesView PDFCite
Research ArticleOpen accessIn the abstractExpression of the CD44 Protein in the Heart Valves Affected with Rheumatic Heart DiseaseR. Vijayalakshmi, S. Nayar, K.M. CherianProblem statement: The primary aim was to study the expression of CD44 protein in the heart valves removed surgically for either stenosis or regurgitation and to study the morphology of valves using histochemical staining. Approach: We studied 107 valves which were collected from the International Centre for Cardio Thoracic and Vascular Diseases. Results: Aortic and mitral valves were obtained from … …American Journal of Infectious Diseases, Vol. 6, Issue 4 · 31 Dec 2010 · 7,406 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnalysis of Blood Turbulent Flow in Carotid Artery Including the Effects of Mural Thrombosis Using Finite Element ModelingM. Arab-Ghanbari, M. M. Khani, A. Arefmanesh, F. Tabatabai-GhomsheArterial thrombosis is an extremely significant health problem. As a result of numerous factors involved in such problem, describing the role of hemodynamics in thrombogenesis has been asserted to be one of the most demanding and complicated challenges in biomechanics. An axisymmetric model considering fluid-structure interactions (FSI) was introduced and numerically solved for an artery with a thrombosis to perform … …American Journal of Applied Sciences, Vol. 6, Issue 2 · 28 Feb 2009 · 7,408 accessesView PDFCite
Research ArticleOpen accessIn the abstractAnomalies in a Fetus Exposed to Methotrexate in the First TrimesterLandon B. Lorenz, Eric J. KnudtsonThe increasing use of methotrexate for multiple indications in reproductive age women will likely lead to more frequent incidence of fetal exposure. Methotrexate is sometimes used for medical termination of first trimester pregnancy in combination with misoprostol. Teratogenesis in women exposed to low-dose methotrexate used for treatment of rheumatic conditions has been reported, but it has also been suggested that … …American Journal of Pharmacology and Toxicology, Vol. 2, Issue 4 · 31 Dec 2007 · 7,653 accessesView PDFCite
Research ArticleOpen accessIn the abstractReview of Pasteurella Multocida Infections over a Twelve-Year Period in a Tertiary Care HospitalAthanasia Christidou, Sofia Maraki, Zoe Gitti, Yiannis TselentisThe aim of this study was to present the epidemiological, clinical and microbiological data, as well as the management and the outcome of 13 patients with documented Pasteurella multocida infections, diagnosed in the University hospital of Crete, Greece, between 1993 and 2004. Most patients (62%) were >70 years of age. Respiratory tract infections were most commonly encountered (61.5%), followed by … …American Journal of Infectious Diseases, Vol. 1, Issue 2 · 30 Jun 2005 · 6,996 accessesView PDFCite