Articles with "pulsatile flow" as a keyword



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Efficacy of ultrasound vector flow imaging in tracking omnidirectional pulsatile flow.

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Published in 2022 at "Medical physics"

DOI: 10.1002/mp.16168

Abstract: BACKGROUND Ultrasound vector flow imaging (VFI) shows potential as an emerging non-invasive modality for time-resolved flow mapping. However, its efficacy in tracking multidirectional pulsatile flow with temporal resolvability has not yet been systematically evaluated because… read more here.

Keywords: ultrasound vector; velocity; flow; pulsatile flow ... See more keywords

Pulsatile Flow in Microfluidic Systems.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201904032

Abstract: This review describes the current knowledge and applications of pulsatile flow in microfluidic systems. Elements of fluid dynamics at low Reynolds number are first described in the context of pulsatile flow. Then the practical applications… read more here.

Keywords: flow microfluidic; pulsatile flow; microfluidic systems;

How I do it: simple ad-hoc pulsatile pump model for realistic microsurgical training under pulsatile flow

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Published in 2025 at "Acta Neurochirurgica"

DOI: 10.1007/s00701-025-06608-2

Abstract: This simple pulsatile pump model (PPM) provides a realistic and low-cost model for microsurgical training. In this manner, the use of live animals for realistic microsurgical training is reduced, as it is possible to combine… read more here.

Keywords: pulsatile flow; microsurgical training; training; realistic microsurgical ... See more keywords

Transmission of dynamic biochemical signals in the shallow microfluidic channel: nonlinear modulation of the pulsatile flow

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Published in 2018 at "Microfluidics and Nanofluidics"

DOI: 10.1007/s10404-018-2097-6

Abstract: A controlled quantitative loading of dynamic biochemical signals on cells in vitro is essential for cell dynamic analysis. Microfluidics provides the potential for reproducing and controlling spatio-temporal biochemical signals through the various microfluidic channels. Herein… read more here.

Keywords: transmission; biochemical signals; pulsatile flow; dynamic biochemical ... See more keywords

Non-Pulsatile Flow is Associated with Lower Levels of Circulating CD34+ Cells in LVAD-Supported Patients

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Published in 2020 at "Journal of Heart and Lung Transplantation"

DOI: 10.1016/j.healun.2021.01.543

Abstract: Purpose The lack of pulsatility may be associated with altered angiogensis in LVAD patients. Since CD34+ cells represent an important regulator of angiogenesis in heart failure, we sought to investigate a potential correlation between flow… read more here.

Keywords: cd34 cells; cell; pulsatile flow; cd34 ... See more keywords

Particulate suspension effect on peristaltically induced unsteady pulsatile flow in a narrow artery: Blood flow model.

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Published in 2017 at "Mathematical biosciences"

DOI: 10.1016/j.mbs.2016.11.012

Abstract: This work is concerned with theoretically investigating the pulsatile flow of a fluid with suspended particles in a flow driven by peristaltic waves that deform the wall of a small blood artery in the shape… read more here.

Keywords: blood flow; pulsatile flow; effect; blood ... See more keywords
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Pulsatile flow of power-law fluids over a sphere: Momentum and heat transfer characteristics

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Published in 2020 at "Powder Technology"

DOI: 10.1016/j.powtec.2019.10.055

Abstract: Abstract The effect of pulsatile flow on the momentum and heat transfer characteristics for a sphere in power-law fluids is investigated numerically otherwise in the steady regime. Extensive results are presented in terms of streamlines,… read more here.

Keywords: pulsatile flow; power law; heat transfer;

Development of in-vitro pulsatile flow generator for evaluating the performance of hemodialysis catheters

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Published in 2023 at "Review of Scientific Instruments"

DOI: 10.1063/5.0087584

Abstract: Hemodialysis (HD) using an HD catheter is performed widely on renal failure patients. The catheter was evaluated using the recirculation ratio in pre-clinical status, which is a crucial index indicating its performance. However, pre-clinical in-vivo… read more here.

Keywords: vitro; flow generator; flow; hemodialysis ... See more keywords

Phototactic microswimmers in pulsatile flow: Toward a novel harvesting method.

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Published in 2022 at "Biomicrofluidics"

DOI: 10.1063/5.0097580

Abstract: Phototactic behavior is coupled with pulsatile flow features to reveal the advantages of pulsation for separating motile algae cells in a double Y-microchannel. The underlying mechanism is as follows: during half of the pulsation cycle,… read more here.

Keywords: flow toward; pulsatile flow; novel harvesting; toward novel ... See more keywords

Pulsatile flow in elastic tubes: A literature review of experimental techniques, flow behavior, and biomedical applications

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Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0291574

Abstract: Pulsatile flow, characterized by oscillating velocity and pressure profiles, is a fundamental phenomenon observed in both biological and engineering systems, particularly in cardiovascular health and fluid transport through flexible tubes. The objective of this review… read more here.

Keywords: experimental techniques; pulsatile flow; flow elastic; flow behavior ... See more keywords

In Vitro Hemodynamic Evaluation of ECG‐Synchronized Pulsatile Flow Using i‐Cor Pump as Short‐Term Cardiac Assist Device for Neonatal and Pediatric Population

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Published in 2018 at "Artificial Organs"

DOI: 10.1111/aor.13136

Abstract: The objective of this study was to assess the hemodynamic properties of the i-cor ECG-synchronized cardiac assist system for off-label use as a short-term cardiac assist device for neonatal and pediatric patients and compare nonpulsatile… read more here.

Keywords: pulsatile flow; cardiac assist; short term; pressure ... See more keywords