نتایج جستجو برای: laser doppler flowmeter
تعداد نتایج: 225575 فیلتر نتایج به سال:
Background & Aims: The anti TNF drugs are new line treatment for articular inflammatory diseases which are used systemically, but due to expensiveness and some systemic adverse effects have limited usage. The aims of this study were to investigate the effect of intra-articular (local) injection of Etanercept and Infliximab as two anti TNF drugs on histopathology and also due to the important ro...
The purpose of this study was to assess the accuracy of a quantitative two-dimensional range-gated Doppler echocardiographic method for estimating systemic and pulmonary flows in an open-chest canine preparation with a variable-sized atrial level shunt mimicking an atrial septal defect. In addition, we also report our initial experience with 10 children who had isolated atrial septal defects an...
Aim: To compare the interocular and intraocular differences of capillary perfusion, and the intraocular regional differences of retinal blood flow in the macular area of healthy volunteers. Methods: Tissue blood flow in the macula was examined in both eyes of 20 healthy volunteers with the Heidelberg retinal flowmeter. Blood flow measurements were made in a 10 6̊2.5 ̊ area superior and inferior t...
PURPOSE Noninvasive techniques for ocular blood perfusion assessment are of crucial importance for exploring microvascular alterations related to systemic and ocular diseases. However, few techniques adapted to rodents are available and most are invasive or not specifically focused on the optic nerve head (ONH), choroid or retinal circulation. Here we present the results obtained with a new rod...
Introduction. One of the promising directions studying liver microcirculation is searching for age-related features its hemodynamics and early markers pathological changes. Objective – to study parameters in animals different sex age during a load test. Materials methods. The was conducted on 60 mongrel rats both sexes weighing 120–270 g, divided into three groups. first group included 20 aged ...
Intelligent magnetic flowmeter is one of main developing trend of magnetic flowmeter. This paper describes in detail the software and hardware designs of the intelligent magnetic flowmeter using MSP430 single chip computer, gives the realizing communication method based on HART protocol, and proposes the software and hardware technical stratagems for low power consumption design of magnetic flo...
Utilizing a Doppler ultrasonic flowmeter catheter, right carotid artery blood velocity was measured during 91 coughing episodes in 16 patients. Such coughing reduced carotid blood velocity by 40 +/- 22% (control = 34 +/- 8 cm per second, cough = 20 +/- 9 cm per second, p less than 0.001). There was an insignificant low degree of corrleation between the level of simultaneously recorded mean righ...
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