نتایج جستجو برای: تحلیل شبکههای اجتماعی sna

تعداد نتایج: 285493  

2011

Fraud detection and analysis has traditionally involved a silo approach. Rarely does an investigator look across product lines to identify fraudulent connections. However, with the introduction of social network analysis (SNA), investigators are now able to detect data patterns within and across product lines as a potential crime ring or group is developing, saving companies from losses as the ...

2012
Laiche Djouhri Xin Fang Stella Koutsikou Sally N. Lawson

Partial nerve injury leads to peripheral neuropathic pain. This injury results in conducting/uninterrupted (also called uninjured)sensory fibres, conducting through the damaged nerve alongside axotomised/degenerating fibres. In rats seven days after L5 spinal nerve axotomy (SNA) or modified-SNA (added loose-ligation of L4 spinal nerve with neuroinflammation-inducing chromic-gut),we investigated...

Journal: :Circulation research 1978
W V Judy A M Watanabe D P Henry H R Besch B Aprison

We examined the effect of L-Dopa, after peripheral L-amino acid decarboxylase inhibition, on sympathetic nerve activity (SNA) and blood pressure in spontaneously hypertensive rats (SHR) and in normotensive control rats. L-Dopa reduced SNA in both groups of animals. The SHRs were significantly more sensitive to the depressor effect of L-dopa than were the control animals, the threshold dose for ...

Journal: :Hypertension 2004
Xiuying Ma Curt D Sigmund Shawn D Hingtgen Xin Tian Robin L Davisson Francois M Abboud Mark W Chapleau

In addition to central nervous system actions, angiotensin (Ang) II may increase sympathetic nerve activity (SNA) via a direct action on sympathetic ganglia. We hypothesized that sympathetic ganglionic actions of endogenous Ang II contribute to SNA in transgenic mice that overexpress renin and angiotensinogen (R+A+ mice). Renal SNA and arterial pressure were recorded in anesthetized R+A+ and li...

Journal: :American journal of physiology. Heart and circulatory physiology 2004
Kenta Yamamoto Toru Kawada Atsunori Kamiya Hiroshi Takaki Tadayoshi Miyamoto Masaru Sugimachi Kenji Sunagawa

The effects of the muscle mechanoreflex on the arterial baroreflex neural control have not previously been analyzed over the entire operating range of the arterial baroreflex. In anesthetized, vagotomized, and aortic-denervated rabbits (n = 8), we isolated carotid sinuses and changed intracarotid sinus pressure (CSP) from 40 to 160 mmHg in increments of 20 mmHg every minute while recording rena...

2012
Duncan Chambers Paul Wilson Carl Thompson Melissa Harden

BACKGROUND Social network analysis (SNA) has been widely used across a range of disciplines but is most commonly applied to help improve the effectiveness and efficiency of decision making processes in commercial organisations. We are utilising SNA to inform the development and implementation of tailored behaviour-change interventions to improve the uptake of evidence into practice in the Engli...

Journal: :The American journal of physiology 1971
I Ninomiya N Nisimaru H Irisawa

NINOMIYA, ISHIO, NAOKO NISIMARU, AND HIROSHI IRISAWA. Sympathetic nerve activity to the spleen, kidney, and heart in response to baroceptor input. Am. J. Physiol. 221(5): 1346-1351. 1971.-The effects of the baroceptor reflex on sympathetic nerve activity (SNA) to spleen, kidney, and heart were analyzed in anesthetized cats. The baroceptor reflex times of SNA to the spleen, kidney, and heart wer...

2015
Toru Kawada Meihua Li Yusuke Sata Can Zheng Michael J Turner Shuji Shimizu Masaru Sugimachi

A baroreflex equilibrium diagram describes the relation between input pressure and sympathetic nerve activity (SNA) and that between SNA and arterial pressure (AP). To calibrate the SNA axis (abscissa) of the baroreflex equilibrium diagram, the AP response to intravenous bolus injections of phenylephrine (0.2-50 μg/kg) or norepinephrine (NE, 0.02-5 μg/kg) was examined in normal control rats (NC...

2014
Sean D. Stocker Kathryn W. Gordon

22 The sympathoexcitatory response to insulin is mediated by neurons in the arcuate 23 nucleus (ARC) and hypothalamic paraventricular nucleus (PVH). Previous studies have 24 reported that stimulation of ARC neurons increases sympathetic nerve activity (SNA) 25 and arterial blood pressure (ABP) through glutamate receptor activation in the PVH. 26 Therefore, the purpose of the present study was t...

Journal: :Journal of critical care 2017
Marjolein M C O van IJzendoorn Hanneke Buter W Peter Kingma Matty Koopmans Gerjan Navis E Christiaan Boerma

PURPOSE Thiazides are suggested as a treatment for intensive care unit (ICU)-acquired hypernatremia (IAH). The primary aim of the study was reducing serum sodium concentration (sNa) in patients with IAH with hydrochlorothiazide (HCT) in comparison to placebo. Secondary end points were a difference in urine sodium concentration (uNa) and duration of severe IAH. MATERIALS A monocentric, double-...

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