نتایج جستجو برای: acute ischemia

تعداد نتایج: 562123  

Journal: :Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society 2005
Donald W Zakutansky Koichi Kitano Janet P Wallace David M Koceja

The authors examined the effect of acute ischemia on peripheral nerve function in healthy subjects. It was hypothesized that acute ischemia would interfere with the ability of sensory and motor nerves to propagate an impulse. Twelve young, apparently healthy adults participated in the study. Soleus H-reflex and motor recruitment curves were determined for subjects during a control condition, af...

2016
IONUŢ ISAIA JEICAN GABRIELA ICHIM DAN GHEBAN

The article reviews the intestinal ischemia theme on newborn and children. The intestinal ischemia may be either acute - intestinal infarction (by vascular obstruction or by reduced mesenteric blood flow besides the occlusive mechanism), either chronic. In neonates, acute intestinal ischemia may be caused by aortic thrombosis, volvulus or hypoplastic left heart syndrome. In children, acute inte...

Journal: :Pakistan Heart Journal 2023

Septic embolism associated with infective endocarditis (IE) is the occlusion of a blood vessel caused by an infected thrombus traveling through bloodstream resulting in ischemia and/or infarction. can result infarction due to vascular and infection, inflammation possible abscess formation. Systemic embolization generally occurs left-sided IE, causing stroke, blindness or endophthalmitis, spleni...

Journal: :Photonics 2023

Renal ischemia–reperfusion (IR) is inevitable in partial nephrectomy and kidney transplantation. Acute tubular necrosis (ATN) induced by renal IR causes the loss of functional units kidney, pathologically presenting as nonhomogeneous distribution normal uriniferous tubules usually used to characterize activity. Optical coherence tomography (OCT) has been proven have ability image microstructure...

Journal: :Acta Marisiensis 2023

Abstract Introduction : Acute mesenteric ischemia is a life-threatening condition that can lead to intestinal ischemia, bowel obstruction and peritonitis. It predominantly caused by arterial occlusion (acute thromboembolism or thrombosis); however, it rarely be secondary portal vein thrombosis. Case presentation We present the case of 61-year-old man admitted emergency service for intense abdom...

2010
Muhammad Z. Bawany Ali Nawras Wael I. Youssef Thomas Sodeman

Acute mesenteric ischemia has a variety of etiologies. Non-occulusive mesenteric ischemia accounts for 20-30% of patients with acute mesenteric ischemia. We describe a case of non-occulusive jejunal ischemia leading to infarction that occurred in a patient with cirrhosis and no previous history of cardiovascular disease.

Journal: :Journal of radio electronics 2022

Based on the analysis delayed ischemia after subarachnoid hemorrhage indicators, a new approach to of data from long-term electroencephalographic patients monitoring is proposed and described. It based wavelet transforms ridges, in which power spectrum density, frequency phase, are equal square amplitude, phase signal respectively. The main formulas justifying this given. Illustrations use Morl...

Objective(s): The aim of the present study is to investigate probable acute effects of vitamin D on ischemia-reperfusion injury in the rat ovary.Materials and Methods: A group of 30 Wistar albino rats was divided into five groups of 6 each. Group 1:  underwent laparotomy only and the ovaries were removed. Group 2:  3-hr ischemia followed by excision of the ovaries. Group 3:  3-hr ischemia and 3...

Asefeh Fekri, Fatemeh Safari, Gholamreza Bayat, Mahdi Foruzande moghadam, Seyyed Hosein Moshtaghioun, Shahnaz Shekarforoush, Sohrab Hajizadeh,

Introduction: Reactive oxygen species (ROS) have been suggested to play an important role in the myocardial damage induced by ischemia – reperfusion. One element believed to be activated by ROS and to contribute to the reduction of ROS production, is the uncoupling protein-2 (UCP2). The objective of this investigation was to explore the effect of myocardial ischemia reperfusion on cardiac UC...

Pervious studies have shown that pentoxifylline (PTX) has beneficial effects in reduction of stroke and brain trauma injuries in experimental animals. However, there is very little and controversial information about the effect of PTX on brain edema in cerebral ischemia. Therefore, the aim of this study was to determine the effects of different doses of PTX on brain edema and neurological m...

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