Results 111 to 120 of about 585,996 (315)
Arterial stenosis, pressure, and flow
The Journal of Thoracic and Cardiovascular Surgery, 1976 The interaction between the effects of an arterial stenosis and postocclusion hyperemia was studied in a model of the capillaron system. A capillaron is a module consisting of soft-walled permeable vessels (capillaries) in a compliant capsule. Stenosis reduced flow in accord with arterial cross-sectional area. Addition of a capillaron reduced flow to a
S, Rodbard, Y, Kikuchi
openaire +2 more sources
Determination of wave speed and distensibility of flexible tubes using diameter and velocity
, 2009 It is well accepted that wave speed is one of the key factors describing wave propagation in arteries. Local wave speed is directly related to the mechanical properties of the arterial wall and is widely used to determine the arterial distensibility ...
Ye Li, Li, Y, Khir, AW, A.W. Khir
core +1 more source
Bioinspired Adaptive Sensors: A Review on Current Developments in Theory and Application
Advanced Materials, EarlyView.This review comprehensively summarizes the recent progress in the design and fabrication of sensory‐adaptation‐inspired devices and highlights their valuable applications in electronic skin, wearable electronics, and machine vision. The existing challenges and future directions are addressed in aspects such as device performance optimization ...
Guodong Gong +12 more
wiley +1 more source
The BOLD MRI response of the brain to alterations in arterial blood pressure
The impact of blood pressure changes on cerebral blood flow is an important area of investigation. The cerebral autoregulation mechanism acts to maintain blood supply to the brain, despite changes in blood pressure.
Darekar, Angela Anagha
core
Determination of wave intensity in flexible tubes using measured diameter and velocity
, 2007 Wave intensity (WI) is a hemodynamics index, which is the product of changes in pressure and velocity across the wave-front. Wave Intensity Analysis, which is a time domain technique allows for the separation of running waves into their forward and ...
AW Khir, J Feng, Feng, J, Khir, AW
core +1 more source
Flexible Dielectric Acoustic Resonator Patch for Tissue Regeneration
Advanced Materials, EarlyView.A flexible dielectric acoustic resonator patch enables MHz‐range ultrasound generation through resonance amplification without using piezoelectric materials. Conformal integration on a curved substrate allows efficient acoustic delivery to tissue‐mimicking environments.
Donyoung Kang +7 more
wiley +1 more source
Simulation of the arterial elasticity influence on the Ambulatory Arterial Stiffness Index AASI [PDF]
, 2009 Recientemente se propuso un índice de rigidez arterial denominado AASI (Ambulatory Arterial Stiffness Index) derivado de mediciones ambulatorias de presión arterial durante 24 horas.
Graf, S. (Sebastián) +5 more
core
Super‐Resolution Ultrasound Based Cell Tracking With Polymeric Nanobubbles
Advanced Materials, EarlyView.This study presents a super‐resolution ultrasound platform for tracking cells in vivo. Biocompatible polymeric nanobubbles are used as highly echogenic intracellular labels. Following the injection of cells and microbubbles, ultrasound localization microscopy (ULM) can dynamically match the microvascular architecture and individual cell trajectories ...
Junlin Chen +19 more
wiley +1 more source
Annals of Clinical and Translational NeurologyObjective Music interventions have been shown to have beneficial effects on hemodynamic parameters, pain, and anxiety in various medical settings. However, music interventions in the setting of acute stroke have not been studied.
Jeffrey J. Fletcher +7 more
doaj +1 more source