Search results for query: "reactive hyperemia"

  1. SNT Gatchaman

    Microcirculatory impairment and increased arterial stiffness in pediatric Long COVID patients, 2026, Boever et al.

    AIx@75 Augmentation index normalized to a heart rate of 75 bpm MFI Microvascular flow index OCT Optical coherence tomography PAT Peripheral arterial tonometry PPV Proportion of perfused vessels RHI Reactive hyperemia index TVD Total vessel density
  2. SNT Gatchaman

    Microcirculatory impairment and increased arterial stiffness in pediatric Long COVID patients, 2026, Boever et al.

    Microcirculatory impairment and increased arterial stiffness in pediatric Long COVID patients PURPOSE The exact pathogenesis of Long COVID remains unclear. Microvascular and endothelial dysfunction, established contributors to SARS-CoV-2-related conditions, appear to play a role in pediatric...
  3. SNT Gatchaman

    CoRE: Long Covid, Lyme and related conditions clinic at Mt Sinai hospital

    Welcome @phantom. We have a tag for endopat and you can search the forum for reactive hyperaemia or reactive hyperemia.
  4. Dolphin

    Open NYC, USA: Study of muscle and cellular function in ME/CFS & healthy controls

    https://neuroimmune.cornell.edu/research/participant-interactions/ Participant Interactions We are seeking volunteers comprising 40 ME/CFS patients and 20 controls to participate in this NIH funded (U54AI178855) project. The ME/CFS subjects will be identified by expert physician Dr. Susan...
  5. S4ME News

    News in Brief - January 2025

    Week beginning 30th December 2024 :emoji_blossom: Happy New Year to all our readers :emoji_blossom: News, articles and advocacy ME/CFS Skeptic Blogger ME/CFS Skeptic has written an excellent overview of the most interesting ME/CFS research studies of 2024. Studies discussed range across...
  6. Hutan

    Thesis Comparison of Clinical and Pathophysiological Characteristics of ME/CFS and Chronic Fatigue Associated with Post-COVID-19 Syndrome, 2024, Ryabkova

    Research objectives 1. To study the prevalence of ME/CFS according to its diagnostic criteria among patients with chronic fatigue associated with PCS. 2. To determine the signs of dysautonomia based on the analysis of heart rate variability (HRV), blood pressure variability (BPV), and...
  7. Nightsong

    [PACS]: prevalence of peripheral microvascular endothelial dysfunction and associations with NT-proBNP dynamics, 2024, Stahlberg et al

    Background Post-acute COVID-19 syndrome (PACS) has been linked to microvascular endothelial dysfunction as a potential underlying pathomechanism and can manifest even following a mild course of the initial infection. Prevalence of microvascular endothelial dysfunction and circulating natriuretic...
  8. Mij

    Comparison of analysis strategies to assess sex differences in microvascular reperfusion using near-infrared spectroscopy, 2024, Landers-Ramos et al

    Abstract The near-infrared spectroscopy (NIRS) vascular occlusion test (VOT) assesses microvascular reperfusion. Two strategies have been employed to quantify reperfusion following reactive hyperemia, but it is unclear if both yield similar results when comparing biological sex. Purpose...
  9. forestglip

    Protocol Effects of Pycnogenol® in people with post-COVID-19 condition (PYCNOVID): study protocol for a single-center, placebo controlled, quadruple-blind, RCT

    This is the study they cite for promising results in post-COVID condition: Preventive effects of Pycnogenol® on cardiovascular risk factors (including endothelial function) and microcirculation in subjects recovering from coronavirus disease 2019 (COVID-19) "BACKGROUND: The aim of this open...
  10. SNT Gatchaman

    Long-Term Microvascular Changes in Multisystem Inflammatory Syndrome in Children, 2024, Boever et al.

    Long-Term Microvascular Changes in Multisystem Inflammatory Syndrome in Children Julie Boever; Claudia Nussbaum; Leonie Arnold; Nikolaus A. Haas; Simone K. Dold; Felix S. Oberhoffer; André Jakob No Abstract. Videos of sublingual microcirculation were obtained with a handheld MicroScan video...
  11. Mij

    Post-Exercise Hypotension and Its Mechanisms Differ after Morning and Evening Exercise: A Randomized Crossover Study, 2015, Leandro de Brito

    Abstract Post-exercise hypotension (PEH), calculated by the difference between post and pre-exercise values, it is greater after exercise performed in the evening than the morning. However, the hypotensive effect of morning exercise may be masked by the morning circadian increase in blood...
  12. SNT Gatchaman

    Mechanisms underlying exercise intolerance in Long COVID: an accumulation of multi-system dysfunction, 2023, Jamieson et al

    The self-report has patients less sedentary, doing more light physical activity, a little more moderate physical activity, with both LC and HC doing a little vigorous physical activity. Not much difference between groups on objective actigraphy, but as @EndME points out above there is a large...
  13. SNT Gatchaman

    Proof of concept non-invasive estimation of peripheral venous oxygen saturation, 2017, Khan et al.

    Non-invasive measurement of SvO2 would be helpful in sepsis / cardiogenic shock etc. It might be helpful in LC/ME. They referenced their device against arterial and venous direct O2 measurements in healthy young adults. The device they were assessing was on the fingertip like the usual...
  14. Andy

    Cardiovascular and Cerebral Vascular Health in Females with Post-Acute Sequelae of COVID-19 (PASC) 2023 Nandadeva et al

    Abstract Many individuals who had COVID-19 develop detrimental persistent symptoms; a condition known as post-acute sequelae of COVID-19 (PASC). Despite the elevated risk of cardiovascular disease following COVID-19, limited studies have examined vascular function in PASC with equivocal results...
  15. S4ME News

    News in Brief - February 2023

    Week beginning 30th January 2023 News, articles and advocacy UK - Scotland There was a debate in the Scottish parliament on the "Scottish Government Commissioned Review of ME Services and Future Action". The review from July 2022 raises the need for GP education and recommends setting up pilot...
  16. SNT Gatchaman

    Endothelial dysfunction in ME/CFS patients, 2023, Sandvik, Mella, Fluge et al

    Endothelial dysfunction in ME/CFS patients Sandvik MK, Sørland K, Leirgul E, Rekeland IG, Stavland CS, Mella O, Fluge Ø Objective: A few earlier studies have found impaired endothelial function in patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS). The present study...
  17. Sly Saint

    USA: News from the Bateman Horne Center

    from July Endothelial Function Interim Results https://batemanhornecenter.org/endothelial-function-interim-results-we-still-need-you/
  18. Hutan

    Prior beetroot juice ingestion offsets endothelial dysfunction following prolonged sitting, 2022, Takuma Morishima et al

    Endothelial dysfunction and FMD responses to nitric oxide are of interest in ME/CFS e.g from Fluge, Mella and Tronstad's 'Pathomechanisms and possible interventions in myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)' paper.
  19. Andy

    Sulodexide Significantly Improves Endothelial Dysfunction and Alleviates Chest Pain and Palpitations in Patients With Long-COVID.., 2022, Charfeddine

    Full title: Sulodexide Significantly Improves Endothelial Dysfunction and Alleviates Chest Pain and Palpitations in Patients With Long-COVID-19: Insights From TUN-EndCOV Study Objective: Non-respiratory long-coronavirus disease 2019 (COVID-19) symptoms are mainly related to a long-lasting...
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