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   Articles with "hrf" as a keyword



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Role of deep learning quantified hyperreflective foci for the prediction of geographic atrophy progression.

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recommendations! Published in 2020 at "American journal of ophthalmology"

DOI: 10.1016/j.ajo.2020.03.042

Abstract: PURPOSE To quantitatively measure hyperreflective foci (HRF) during the progression of geographic atrophy (GA) secondary to age-related macular degeneration (AMD) using deep learning (DL) and investigate the association with local and global growth of GA.… read more here.

Keywords: deep learning; hrf; hyperreflective foci; geographic atrophy ... See more keywords
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P.2.047 Validation of the canonical hemodynamic response function model used in fMRI studies

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recommendations! Published in 2018 at "European Neuropsychopharmacology"

DOI: 10.1016/j.euroneuro.2017.12.086

Abstract: Introduction There is need to validate the fMRI analysis methods using large-scale datasets [1]. It is known that the hemodynamic response function (HRF) varies across brain regions and subjects [2]. Different HRF models are currently… read more here.

Keywords: model; hrf models; hemodynamic response; hrf ... See more keywords
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Impact of High-risk Features and Timing of Repair for Acute Type B Aortic Dissections.

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recommendations! Published in 2022 at "Journal of vascular surgery"

DOI: 10.1016/j.jvs.2022.03.030

Abstract: OBJECTIVE The new Society for Vascular Surgery/Society for Thoracic Surgery reporting standards for type B aortic dissection (TBAD) categorize clinical presentations of aortic dissection into uncomplicated, high-risk features (HRF), and complicated groups. While it is… read more here.

Keywords: repair; timing repair; high risk; type aortic ... See more keywords
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Optimizing Hydroxyl Radical Footprinting Analysis of Biotherapeutics using Internal Standard Dosimetry.

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recommendations! Published in 2020 at "Journal of the American Society for Mass Spectrometry"

DOI: 10.1021/jasms.0c00146

Abstract: Hydroxyl radical footprinting-mass spectrometry (HRF-MS) is a powerful technique for measuring protein structure by quantitating the solvent accessibility of amino acid side-chains; and when used in comparative analysis, HRF-MS data can provide detailed information on… read more here.

Keywords: internal standard; radical footprinting; analysis; hydroxyl radical ... See more keywords
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Hyper-reflective dots in optical coherence tomography imaging and inflammation markers in diabetic retinopathy.

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recommendations! Published in 2023 at "Journal of anatomy"

DOI: 10.1111/joa.13889

Abstract: The aim of this study is to correlate small dot hyper-reflective foci (HRF) observed in spectral domain optical coherence tomography (SD-OCT) scans of an animal model of hyperglycaemia with focal electroretinography (fERG) response and immunolabelling… read more here.

Keywords: dot; small dot; hyper reflective; dot hrf ... See more keywords
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Computing hemodynamic response functions from concurrent spectral fiber-photometry and fMRI data

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recommendations! Published in 2022 at "Neurophotonics"

DOI: 10.1117/1.nph.9.3.032205

Abstract: Abstract. Significance: Although emerging evidence suggests that the hemodynamic response function (HRF) can vary by brain region and species, a single, canonical, human-based HRF is widely used in animal studies. Therefore, the development of flexible,… read more here.

Keywords: hrf; fmri; fiber photometry; brain ... See more keywords
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Cerebrovascular reactivity has negligible contribution to haemodynamic lag after stroke: implications for fMRI studies

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recommendations! Published in 2023 at "Stroke"

DOI: 10.1161/strokeaha.122.041880

Abstract: Background: Functional magnetic resonance imaging (fMRI) is ubiquitously used to study poststroke recovery. However, the fMRI–derived hemodynamic responses are vulnerable to vascular insult which can result in reduced magnitude and temporal delays (lag) in the… read more here.

Keywords: lag; cerebrovascular reactivity; fmri studies; hrf ... See more keywords
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Depth-resolved visualization and automated quantification of hyperreflective foci on OCT scans using optical attenuation coefficients.

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recommendations! Published in 2022 at "Biomedical optics express"

DOI: 10.1364/boe.467623

Abstract: An automated depth-resolved algorithm using optical attenuation coefficients (OACs) was developed to visualize, localize, and quantify hyperreflective foci (HRF) seen on OCT imaging that are associated with macular hyperpigmentation and represent an increased risk of… read more here.

Keywords: using optical; depth resolved; optical attenuation; oct scans ... See more keywords
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Perspective: Disentangling the effects of tES on neurovascular unit

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recommendations! Published in 2023 at "Frontiers in Neurology"

DOI: 10.3389/fneur.2022.1038700

Abstract: Transcranial electrical stimulation (tES) can modulate the neurovascular unit, including the perivascular space morphology, but the mechanisms are unclear. In this perspective article, we used an open-source “rsHRF toolbox” and an open-source functional magnetic resonance… read more here.

Keywords: tes neurovascular; neurovascular unit; unit; effects tes ... See more keywords
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The Presence of Hyperreflective Foci Reflects Vascular, Morphologic and Metabolic Alterations in Retinitis Pigmentosa

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recommendations! Published in 2022 at "Genes"

DOI: 10.3390/genes13112034

Abstract: Background: The presence of hyperreflective foci (HRF) in retinitis pigmentosa (RP) is a potentially new finding. We investigated the presence of HRF in SD-OCT images in eyes with RP and its relation to vascular, morphologic… read more here.

Keywords: so2; presence; vascular morphologic; morphologic metabolic ... See more keywords
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Can clinicopathologic high-risk features in T3N0 colon cancer be reliable prognostic factors?

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recommendations! Published in 2023 at "Annals of Surgical Treatment and Research"

DOI: 10.4174/astr.2023.104.2.109

Abstract: Purpose The purpose of this study was to assess the reliability and prognostic significance of the high-risk feature (HRF) in patients with T3N0 colon cancer. Methods We included 1,205 patients with pT3N0 colon cancer treated… read more here.

Keywords: colon cancer; hrf; treatment; t3n0 colon ... See more keywords