Results 161 to 170 of about 714,444 (224)

Gender differences of aortic wave reflection and influence of menopause on central blood pressure in patients with arterial hypertension. [PDF]

BMC Cardiovasc Disord, 2018
Costa-Hong VA, Muela HCS, Macedo TA, Sales ARK, Bortolotto LA.   +4 more
europepmc   +1 more source

Enhanced Aortic Pressure Wave Reflection in Patients with Aortic Coarctation after Aortic Arch Repair. [PDF]

Pulse (Basel), 2018
Murakami T.
europepmc   +1 more source

Effect of Very Low-Intensity Resistance Exercise on Aortic-Brachial Blood Pressure Disparity in Young Men. [PDF]

Am J Hypertens
Tagawa K, Hashimoto J.
europepmc   +1 more source

A Fast Prediction Method for Wide-Angle Bistatic Scattering and Reflection Coefficients of Acoustically Coated Plates. [PDF]

Sensors (Basel)
Zhang Y, Peng Z, Tan L, Wu S, Lv E.
europepmc   +1 more source

Ultrasound detection of altered placental vascular morphology based on hemodynamic pulse wave reflection.

Am J Physiol Heart Circ Physiol, 2017
Rahman A, Zhou YQ, Yee Y, Dazai J, Cahill LS, Kingdom J, Macgowan CK, Sled JG.   +7 more
europepmc   +1 more source

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Wave reflection in 3D conditions

Coastal Engineering, 2010
Based on recent experiments carried out in wave basin on breakwaters with armour layer of rocks and cubes, this paper examines the dependence of the reflection coefficient on wave directional spreading and obliquity. Results suggest that long-crested and short-crested waves give similar reflection.
ZANUTTIGH, BARBARA, Lykke Andersen T.
openaire   +2 more sources

Ageing and wave reflection

Journal of Hypertension, 1992
To determine the effects of wave reflection on the increase in arterial pressure that occurs with age and its association with concomitant changes in both the magnitude and contour of the arterial pressure pulse.While age-related changes in mean pressure are similar in central and peripheral arteries, changes in pulse pressure and pulse waveform ...
openaire   +2 more sources

Antihypertensive therapy and wave reflections

Prostaglandins, Leukotrienes and Essential Fatty Acids, 1996
Studies of pulsatile arterial hemodynamics have emphasized that the pulsatile component of pulse pressure has two important characteristics: (i) it increases from central to peripheral arteries for a similar value of mean arterial pressure, and (ii) it is dominantly influenced by the amplitude and timing of the backward pressure wave.
M E, Safar, J L, Tual, A, Safavian, G M, London   +3 more
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WAVE REFLECTION FROM COASTAL STRUCTURES

Coastal Engineering 2006, 2007
This paper analyses wave reflection for various type of structures, such as smooth and rock (permeable and impermeable core) slopes and slopes with all kind of artificial armour units. A database was prepared, based on existing databases for wave transmission and overtopping.
ZANUTTIGH, BARBARA, Van der Meer J. W.
openaire   +2 more sources

Wave reflections from duct terminations

The Journal of the Acoustical Society of America, 2001
The reflection coefficients and inertial end corrections of several duct terminations, including finite length duct extensions perpendicular to an infinite wall, as well as at a number of angles, curved interface surfaces, and annular cavities, are determined and analyzed in the absence of flow by employing the boundary element method.
A, Selamet, Z L, Ji, R A, Kach
openaire   +2 more sources