Articles with "hyperemia" as a keyword



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Impact of increasing dose of intracoronary adenosine on peak hyperemia duration during fractional flow reserve assessment.

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Published in 2019 at "International journal of cardiology"

DOI: 10.1016/j.ijcard.2018.09.088

Abstract: BACKGROUND Fractional Flow Reserve (FFR) is currently indicated as a first line strategy for the functional assessment of intermediate coronary stenoses. However, the protocol for inducing hyperemia still lacks standardization. Intracoronary adenosine boli, with a… read more here.

Keywords: hyperemia; duration; time; hyperemia duration ... See more keywords

Comparing invasive hemodynamic responses in adenosine hyperemia versus physical exercise stress in chronic coronary syndromes.

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Published in 2021 at "International journal of cardiology"

DOI: 10.1016/j.ijcard.2021.07.064

Abstract: OBJECTIVES Adenosine hyperemia is an integral component of the physiological assessment of obstructive coronary artery disease in patients with chronic coronary syndrome (CCS). The aim of this study was to compare systemic, coronary and microcirculatory… read more here.

Keywords: hyperemia; adenosine hyperemia; physical exercise; hyperemia versus ... See more keywords
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Astrocytes amplify neurovascular coupling to sustained activation of neocortex in awake mice

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Published in 2022 at "Nature Communications"

DOI: 10.1101/2020.12.16.422785

Abstract: Brain requires increased local cerebral blood flow (CBF) for as long as necessary during neuronal activation to match O2 and glucose supply with demand – termed functional hyperemia. Ca2+ elevation in astrocytes can drive arteriole… read more here.

Keywords: functional hyperemia; hyperemia; arteriole dilation; astrocyte ca2 ... See more keywords
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Early T1 Myocardial MRI Mapping: Value in Detecting Myocardial Hyperemia in Acute Myocarditis.

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Published in 2020 at "Radiology"

DOI: 10.1148/radiol.2020191623

Abstract: Background Hyperemia is a key component of acute myocarditis (AM). Early gadolinium uptake because of myocardial hyperemia may be quantified by using T1 mapping. Purpose To evaluate the value of early enhanced T1 shortening for… read more here.

Keywords: acute; hyperemia; early shortening; value ... See more keywords
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High Sodium Intake Differentially Impacts Brachial Artery Dilation When Evaluated with Reactive Versus Active Hyperemia in Salt Resistant Individuals.

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Published in 2022 at "Journal of applied physiology"

DOI: 10.1152/japplphysiol.00461.2022

Abstract: PURPOSE This study sought to determine if high sodium (HS) intake in salt resistant (SR) individuals attenuates upper limb arterial dilation in response to reactive (occlusion) and active (exercise) hyperemia, two stimuli with varying vasodilatory… read more here.

Keywords: hyperemia; day; high sodium; dilation ... See more keywords
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Increased tissue oxygenation explains the attenuation of hyperemia upon repetitive pneumatic compression of the lower leg.

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Published in 2017 at "Journal of applied physiology"

DOI: 10.1152/japplphysiol.00511.2017

Abstract: The rapid hyperemia evoked by muscle compression is short lived and was recently shown to undergo a rapid decrease even in spite of continuing mechanical stimulation. The present study aims at investigating the mechanisms underlying… read more here.

Keywords: compression; tissue oxygenation; oxygenation; hyperemia ... See more keywords
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Index of Microcirculatory Resistance Measured during Intracoronary Adenosine-Induced Hyperemia

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Published in 2020 at "Journal of Interventional Cardiology"

DOI: 10.1155/2020/4829647

Abstract: Background The index of microcirculatory resistance is an invasive measure of coronary microvascular function that has to be calculated during maximal hyperemia, classically achieved with intravenous adenosine (IV). The aim of this study was to… read more here.

Keywords: index microcirculatory; hyperemia; microcirculatory resistance; adenosine ... See more keywords
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Higher Chronic Endometritis Incidences within Infertile Polycystic Ovary Syndrome Clinical Cases

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Published in 2022 at "Journal of Healthcare Engineering"

DOI: 10.1155/2022/9748041

Abstract: Background Clinical cases of a polycystic ovarian syndrome (PCOS) have prolonged subclinical inflammation. Hysteroscopy has revealed worsened chronic endometritis (CE), particularly endometrial diffuse hyperemia, in PCOS patients. However, the possible relationships between PCOS and CE… read more here.

Keywords: clinical cases; hyperemia; diffuse endometrial; endometrial hyperemia ... See more keywords
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Vascular Response to Spreading Depolarization Predicts Stroke Outcome

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Published in 2022 at "Stroke"

DOI: 10.1161/strokeaha.121.038085

Abstract: Background: Cortical spreading depolarization (CSD) is a massive neuro-glial depolarization wave, which propagates across the cerebral cortex. In stroke, CSD is a necessary and ubiquitous mechanism for the development of neuronal lesions that initiates in… read more here.

Keywords: hyperemia; spreading hyperemia; vascular response; spreading depolarization ... See more keywords
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Using Multiscale Entropy to Assess the Efficacy of Local Cooling on Reactive Hyperemia in People with a Spinal Cord Injury

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Published in 2019 at "Entropy"

DOI: 10.3390/e21010090

Abstract: Pressure ulcers are one of the most common complications of a spinal cord injury (SCI). Prolonged unrelieved pressure is thought to be the primary causative factor resulting in tissue ischemia and eventually pressure ulcers. Previous… read more here.

Keywords: reactive hyperemia; hyperemia; assess; baseline ... See more keywords