نتایج جستجو برای: arteries

تعداد نتایج: 58857  

Journal: :journal of solid mechanics 0
a.h ghorbanpour arani faculty of mechanical engineering, university of tehran, tehran, iran a rastgoo faculty of mechanical engineering, university of tehran, tehran, iran a. ghorbanpour arani faculty of mechanical engineering, university of kashan, kashan, iran --- institute of nanoscience & nanotechnology, university of kashan, kashan, iran r kolahchi faculty of mechanical engineering, university of kashan, kashan, iran

the high blood rate that often occurs in arteries may play a role in artery failure and tortuosity which leads to blackouts, transitory ischemic attacks and other diseases. however, vibration and instability analysis of carotid arteries are lacking. the objective of this study is to investigate the vibration and instability of the carotid arteries conveying blood under axial tension with surrou...

Journal: :the journal of tehran university heart center 0
mohammad yoosef aarabi moghadam shaheed rajaei cardiovascular, medical and research center, tehran university of medical sciences, t hojat mortazaeian shaheed rajaei cardiovascular, medical and research center, tehran university of medical sciences, t mehdi ghaderian shaheed rajaei cardiovascular, medical and research center, tehran university of medical sciences, t hamid reza ghaemi shaheed rajaei cardiovascular, medical and research center, tehran university of medical sciences, t

kawasaki disease (kd) is an acute vasculitis syndrome of unknown etiology. it occurs in infants and young children, affecting mainly small and medium-sized arteries, particularly the coronary arteries. generalized microvasculitis occurs in the first 10 days, and the inflammation persists in the walls of medium and small arteries, especially the coronary arteries, and changes to coronary artery ...

BACKGROUND: There is little information about blood supply of the carpal joint in one- humped camel, while there is extensive data about cow and equine species. In order to perform surgeries and diagnostic techniques in carpal region, information about the elements of the joint such as its arteries is necessary. OBJECTIVES: This study aims at describing the origins, arrangements, and branches o...

A Rastgoo A. Ghorbanpour Arani, A.H Ghorbanpour Arani R Kolahchi

The high blood rate that often occurs in arteries may play a role in artery failure and tortuosity which leads to blackouts, transitory ischemic attacks and other diseases. However, vibration and instability analysis of carotid arteries are lacking. The objective of this study is to investigate the vibration and instability of the carotid arteries conveying blood under axial tension with surrou...

Journal: :journal of minimally invasive surgical sciences 0
nicole elsey departments of anesthesiology and pain medicine, nationwide children’s hospital, columbus, ohio chris mckee departments of anesthesiology and pain medicine, nationwide children’s hospital, columbus, ohio marc michalsky department of pediatric surgery, nationwide children’s hospital, columbus, ohio joseph d. tobias departments of anesthesiology and pain medicine, nationwide children’s hospital, columbus, ohio; department of anesthesiology and pain medicine, nationwide children's hospital, columbus, ohio. tel: +614-7224200, fax: +614-7224203

introduction patients with palliated congenital heart disease may present later in life for major, non-cardiac surgical procedures. although alternative surgical techniques are now available for the treatment of the transposition of the great arteries (tga), an atrial level baffle (mustard or senning procedure) was previously performed. long-term adverse effects of the atrial level switch inclu...

Journal: :journal of biomedical physics and engineering 0
z. mortazavinia s. arabi a. r. mehdizadeh

background: numerical study of angulation effects of renal arteries on blood flow has been of great interest for many researchers. objective: this paper aims at numerically determining the angulation effects of stenosed renal arteries on blood flow velocity and renal mass flow. method: an anatomically realistic model of abdominal aorta and renal arteries is reconstructed from ct-scan images and...

Journal: :iranian journal of radiology 0
taraneh faghihi langroudi department of radiology, modarres hospital, shahid beheshti university of medical sciences, tehran, iran abbas arjmand shabestari department of radiology, modarres hospital, shahid beheshti university of medical sciences, tehran, iran ramin pourghorban department of radiology, modarres hospital, shahid beheshti university of medical sciences, tehran, iran; department of radiology, modarres hospital, shahid beheshti university of medical sciences, tehran, iran. tel: +98-9113410570, fax: +98-2122719017 ensi khalili pouya department of radiology, modarres hospital, shahid beheshti university of medical sciences, tehran, iran

the possibility of abnormal avf was considered and it was confirmed on contrast-enhanced computed tomography (ct), inferring that this modality is not only fast and non-invasive, but also accurate in detecting vascular abnormalities. herein, we report a 42-year-old woman with congenital avf between the external carotid artery and external jugular vein, presenting with palpitation and dyspnea. t...

Journal: :anatomical sciences journal 0
hossein eyni anatomical sciences department parichehr pasbakhsh department of anatomy, school of medicine, university of tehran, tehran, iran. arian azimi anatomical sciences departmentسازمان اصلی تایید شده: دانشگاه تهران (tehran university) saba behzadi fard anatomical sciences department

acquaintance with the different anatomical variations of the arterial supply of the gallbladder is of great importance in hepatobiliary surgical procedures. a rare variation of the hepatobiliary arterial system was found during anatomical dissection of a female iranian cadaver. two cystic arteries were present, the first arising directly from the right hepatic artery and the second from the gas...

Journal: :acta medica iranica 0
amin torabipour department of health services management, school of health, ahvaz jundishapur university of medical sciences, ahvaz, iran. and department of health economics & management, school of public health, tehran university of medical sciences, tehran, iran. mohammad arab department of health economics & management, school of public health, tehran university of medical sciences, tehran, iran. hojjat zeraati department of epidemiology & biostatistics, school of public health, tehran university of medical sciences, tehran, iranq. arash rashidian department of health economics & management, school of public health, tehran university of medical sciences, tehran, iran. ali akbari sari department of health economics & management, school of public health, tehran university of medical sciences, tehran, iran. mahmuod reza sarzaiem department of cardiac surgery, school of medicine, tehran university of medical sciences, tehran, iran.

length of hospital stay (los) is a key indicator for hospital management. reducing hospital stay is a priority for all health systems. we aimed to determine the length of hospital stay following coronary artery bypass surgery (cabg) based on its clinical and non-clinical factors. a cross-sectional study of 649 consecutive patients who underwent coronary artery bypass graft surgery was conducted...

Journal: :iranian journal of basic medical sciences 0
xiao-ping chen department of hematology, navy general hospital of pla, beijing, china li-ren qian department of hematology, navy general hospital of pla, beijing, china

objective(s): angiotensin ⅱ type 1 receptor blockers (arbs) represent one of the widely used antihypertensive agents. in addition to anti-hypertension effect, some arbs also show other molecular effects such as activating peroxisome proliferator-activated receptor-γ and so on. here we studied the effects of telmisartan on the rat isolated mesenteric artery rings pre-contracted by phenylephrine ...

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