Results 21 to 30 of about 417,619 (314)
Impaired Central Pulsatile Hemodynamics in Children and Adolescents With Marfan Syndrome
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2017 BackgroundMarfan syndrome is characterized by aortic root dilation, beginning in childhood. Data about aortic pulsatile hemodynamics and stiffness in pediatric age are currently lacking.
Andrea Grillo +9 more
doaj +1 more source
New Microbes and New Infections, EarlyView., 2014 Abstract We describe a case of fungal keratitis due to Beauveria bassiana in a farmer with Fuchs' dystrophy, treated with amphotericin B. Surgery with penetrating keratoplasty was necessary to resolve the lesions. Susceptibility testing and molecular sequencing permitted the identification and treatment of this rare aetiological agent of invasive ...
M. Ligozzi +8 more
wiley +1 more source
High pulse pressure impairs cerebral artery endothelial function in young, but not old, mice
Experimental Gerontology, 2023 One of the hallmarks of vascular aging is increased pulse pressure. This elevated pulse pressure is associated with deleterious effects on cerebral vascular function; however, it is unknown if age modulates the susceptibility to high pulse pressure.
Nick R. Winder +7 more
doaj
Formation Principle and Characteristics of Self-Supercharging Pulsed Water Jet
Chinese Journal of Mechanical Engineering, 2022 High-pressure pulsed water jet technology has considerable development potential in the field of rock fragmentation. To overcome the shortcomings of existing pulsed jets, a self-supercharging pulsed water jet (SSPWJ) generation method is proposed, which ...
Zhaolong Ge +6 more
doaj +1 more source
Association of Pulse Pressure Difference and Diabetes Mellitus in Chinese People: A Cohort Study
International Journal of General Medicine, 2021 Chunlei Wu, Denhua Ma, Yu Chen Department of Cardiac Surgery, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, 317000, People’s Republic of ChinaCorrespondence: Yu Chen People’s Republic of ChinaEmail chenyu5835@126.
Wu C, Ma D, Chen Y
doaj
On axoplasmic pressure waves and their possible role in nerve impulse propagation [PDF]
Biophys. Rev. Lett. 5 (2010) 73-88. (Open access to full text at
the DOI link below.), 2009 It is suggested that the propagation of the action potential is accompanied by an axoplasmic pressure pulse propagating in the axoplasm along the axon length. The pressure pulse stretch-modulates voltage-gated Na (Nav) channels embedded in the axon membrane, causing their accelerated activation and inactivation and increasing peak channel conductance ...
arxiv +1 more source
Cardiac Pressures and Pulses. [PDF]
Archives of Internal Medicine, 1957 This small book by Luisada and Liu summarizes in 109 pages aspects of hemodynamic cardiac phenomena obtained by cardiac catheterization with the Fick principle for recording variations in cardiac output and pressure. The monograph includes a discussion, in more or less conventional fashion, of the cardiac cycle, technique of catheterization, normal ...
openaire +4 more sources
Effect of pulse pressure on borehole stability during shear swirling flow vibration cementing. [PDF]
PLoS ONE, 2017 The shear swirling flow vibration cementing (SSFVC) technique rotates the downhole eccentric cascade by circulating cementing fluid. It makes the casing eccentrically revolve at high speed around the borehole axis.
Zhihua Cui, Chi Ai, Lei Lv, Fangxian Yin
doaj +1 more source
Continuous PPG-Based Blood Pressure Monitoring Using Multi-Linear Regression [PDF]
, 2020 In this work, we present the Senbiosys blood pressure monitoring algorithm (SB-BPM) that solely requires a photoplethysmography (PPG) signal. The technology is based on pulse wave analysis (PWA) of PPG signals retrieved from different body locations to continuously estimate the systolic blood pressure (SBP) and the diastolic blood pressure (DBP).
arxiv +1 more source
Pressure Pulse in Small Arteries [PDF]
Circulation Research, 1962 Pressure pulse contours have been obtained in the small mesenteric and intestinal arteries of the dog. The principal change in the pressure pulse during transmission from large to small arteries appeared to be the gradual and progressive development of damping. The pressure drop from the aorta to arteries of 200 µ internal diameter averaged 17 per cent
Takero Sugiura, Edward D. Freis
openaire +3 more sources