Articles with "flow volume" as a keyword



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Modelling dynamic changes in blood flow and volume in the cerebral vasculature

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Published in 2018 at "NeuroImage"

DOI: 10.1016/j.neuroimage.2018.04.037

Abstract: ABSTRACT The cerebral microvasculature plays a key role in the transport of blood and the delivery of nutrients to the cells that perform brain function. Although recent advances in experimental imaging techniques mean that its… read more here.

Keywords: blood flow; flow volume; cerebral vasculature; volume ... See more keywords
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4D flow MRI: impact of region of interest size, angulation and spatial resolution on aortic flow assessment

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Published in 2021 at "Physiological Measurement"

DOI: 10.1088/1361-6579/abe525

Abstract: Objectives. In cardiovascular magnetic resonance, the 3D time-resolved phase-contrast technique, also known as 4D flow, is gaining increasing attention due to applications that exploit three-directional velocity encoding throughout the cardiac cycle. Blood flow volume assessment… read more here.

Keywords: flow volume; angulation spatial; spatial resolution; ascending aorta ... See more keywords
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Short-Term Traffic Speed Forecasting Using a Deep Learning Method Based on Multitemporal Traffic Flow Volume

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3195353

Abstract: Accurate traffic speed forecasting not only can help traffic management departments make better judgments and improve the efficacy of road monitoring but also can help drivers plan their driving routes and arrive safely and smoothly… read more here.

Keywords: flow volume; traffic; traffic speed; speed forecasting ... See more keywords
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Area under the expiratory flow-volume curve: normative values in the National Health and Nutrition Survey (NHANES) study

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Published in 2022 at "Journal of Investigative Medicine"

DOI: 10.1136/jim-2021-002057

Abstract: The area under the expiratory flow-volume (AEX-FV) loop has been evaluated before as a spirometric tool for assessing respiratory functional impairment. We computed the AEX-FV curves in spirometry tests performed on 20,313 participants in the… read more here.

Keywords: flow volume; expiratory; area expiratory; area ... See more keywords
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Flow volume curve: A diagnostic tool in extrathoracic airway obstruction

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Published in 2020 at "Pakistan Journal of Medical Sciences"

DOI: 10.12669/pjms.36.4.2283

Abstract: The flow-volume loop (F/V-loop) is a presentation of inhalation and exhalation of air stream volume during inspiration and expiration. It demonstrates the obstructive, restrictive and mixed pattern lung pathology. Flow-volume loop has been extensively used… read more here.

Keywords: volume curve; flow volume; volume; curve diagnostic ... See more keywords
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Decreased CSF Dynamics in Treatment-Naive Patients with Essential Hypertension: A Study with Phase-Contrast Cine MR Imaging

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Published in 2021 at "American Journal of Neuroradiology"

DOI: 10.3174/ajnr.a7284

Abstract: BACKGROUND AND PURPOSE: Arterial sclerosis resulting from hypertension slows CSF transportation in the perivascular spaces, showing the intrinsic relationship between the CSF and the blood vasculature. However, the exact effect of hypertension on human CSF… read more here.

Keywords: flow volume; peak velocity; hypertension; csf flow ... See more keywords
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Deep Learning-Based Analytic Models Based on Flow-Volume Curves for Identifying Ventilatory Patterns

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Published in 2022 at "Frontiers in Physiology"

DOI: 10.3389/fphys.2022.824000

Abstract: Introduction Spirometry, a pulmonary function test, is being increasingly applied across healthcare tiers, particularly in primary care settings. According to the guidelines set by the American Thoracic Society (ATS) and the European Respiratory Society (ERS),… read more here.

Keywords: flow volume; ventilatory; volume curves; ventilatory patterns ... See more keywords
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Tidal Flow-Volume Loop Enveloping at Rest in Advanced COPD

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Published in 2019 at "Respiratory Care"

DOI: 10.4187/respcare.06787

Abstract: BACKGROUND: Expiratory flow limitation (EFL) is a key physiological abnormality in COPD. Comparing tidal-to-maximum flow-volume (F-V) loops is a simple and widely available method to assess EFL in patients with COPD. We aimed to investigate… read more here.

Keywords: exercise tolerance; flow volume; volume; loop enveloping ... See more keywords