نتایج جستجو برای: carotid artery
تعداد نتایج: 235913 فیلتر نتایج به سال:
BACKGROUND A major debate in cerebrovascular medicine today is over the choice of the best treatment to implement for stenosis of the carotid artery. Carotid artery stenting is a less invasive technique than endarterectomy for the treatment of carotid stenosis, and is becoming more widely performed, particularly on patients with carotid artery stenosis who present also with comorbidities. To ad...
We present a rare case of agenesis of the left internal carotid artery in a 43-year old woman, associated with an aneurysm of the anterior communicating artery and presenting with subarachnoid hemorrhage. The left internal carotid artery was not visualized on the left carotid angiogram. The left middle cerebral artery was perfused from the basilar artery via the dilated posterior communicating ...
Background and Objective: Osteoarthritis is the most common form of arthritis and joint disease and a major cause of disability among middle-aged and elderly people. The process of the progressive destruction of articular cartilage, causes pain and dysfunction of the joints involved. However, the main cause of this disease is not known. In several epidemiological studies from other countries, t...
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...
quantification of arterial elasticity and its dependency to age is considered in this paper. we use radiofrequency (rf) signals fromcarotid artery ultasonography to evaluate this dependency. blood pressure, blood flow, and tethering to surrounding tissue are the maincauses of the motion of the carotid wall. tracking carotid artery wall motion from a series of ultrasound b‑mode images is challen...
Cerebral complications after cardiac surgery are a significant cause of morbidity, mortality, and financial cost. Numerous risk factors have been proposed to explain the risk of cerebral damage. Carotid artery disease has an important role. Percentage carotid artery stenosis is the only measure of carotid artery disease that is used by cardiac surgeons to determine the need for either a carotid...
PURPOSE To review patients who have presented with acute strokes from a middle cerebral artery occlusion in whom in addition to the middle cerebral artery thromboembolus, an internal carotid artery occlusion has been present, and in whom angioplasty of these totally occluded internal carotid arteries has bee n successful. METHODS We reviewed retrospectively our experience in treating a cute s...
Background and Purpose A model for cerebral ischemia that requires injection of emboli into the internal carotid artery of the rabbit is commonly used. However, in our experience we have found the anatomy of the cervical carotid to be highly variable. If not appreciated, this may result in unexpectedly high variability in the severity of ischemic injury. We undertook this experimental protocol ...
Background and Aim: Androgenetic alopecia (AGA) is the most common cause of hair loss after puberty and its association with comorbid diseases including metabolic syndrome and cardiovascular diseases has become well known over the past two decades. The aim of this study was to evaluate the relationship between androgenetic alopecia with carotid artery intima media thickness as a marker for earl...
Objective(s):The present study investigated the effect of long-term mild cerebral hypoperfusion induced by permanent unilateral (right) common carotid artery occlusion (UCO) on the dorsal hippocampal neurons in rats. Materials and Methods:Sixty four male Sprague-Dawley rats aged 4 months were divided into two groups of sham and UCO. These two groups were further divided into 4 sets of histopath...
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