orthostatic intolerance

Characterization of sympathicotonia in post-covid condition long covid and healthy controls using long-term electrodermal activity EDA follow-up PURPOSE After SARS-CoV-2 infection, some patients develop post-COVID condition (PCC), often associated with sympathicotonia. This study aimed to...

Evaluating the risk and risk factors of dysautonomia as a post-acute sequelae of COVID-19: a secondary analysis of a matched case–control dataset BACKGROUND A significant proportion of patients presenting with post-acute sequelae of COVID-19 (PASC) have been found to meet diagnostic criteria...

Water drinking as a treatment for orthostatic syndromes John R Shannon, Andre Diedrich, Italo Biaggioni, Jens Tank, Rose Marie Robertson, David Robertson, Jens Jordan Abstract Purpose: Water drinking increases blood pressure in a substantial proportion of patients who have severe...

Sex-related cardiometabolic differences in ME/CFS patients Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a chronic, debilitating, and multisystem disease that affects more females than males. Core symptoms include persistent fatigue, post-exertional malaise (PEM), unrefreshing...

Time-restricted eating improves quality of life, heart rate, and mitochondrial function in patients with postural orthostatic tachycardia syndrome. An open-label pilot study Postural orthostatic tachycardia syndrome (POTS) is characterized by an abnormal increase in heart rate upon standing...

Prevalence and Clinical Impact of Postural Orthostatic Tachycardia Syndrome in Highly Symptomatic Long COVID BACKGROUND The incidence of postural orthostatic tachycardia syndrome (POTS) in long COVID has been a growing concern since the first cases were reported in 2021. The aim of this study...

Hormonal Fluctuations and Myalgic Encephalomyelitis/Chronic Fatigue Syndrome in Women: The Role of Menstrual Cycle and Menopause Mehak Khan, Sidra Anees, Muhammad Muthar Anees, Komal Khalid Chaudhry, Syeda Marium Rashid Zaidi, Vishan Das, Rimal Rashid [Line breaks added] Abstract Myalgic...

Abstract Background/Objectives: Symptoms of autonomic dysfunction are common in infection-associated chronic conditions and illnesses (IACCIs), including myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). This study aimed to evaluate autonomic symptoms and their impact on ME/CFS...

Abstract: Background Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex and debilitating condition with a large proportion of patients that experience orthostatic intolerance (OI). This systematic review aimed to assess whether cerebral blood flow (CBF) is reduced in ME/CFS...

Dynamic cerebral autoregulation in people with mild cognitive impairment Laura K Fitzgibbon-Collins; Michael Borrie; Sue Peters; J Kevin Shoemaker; Jaspreet Bhangu Altered cerebrovascular hemodynamics and low cerebral perfusion contribute to the development and progression of dementia. Dynamic...

Long-COVID Postural Tachycardia Syndrome: A deep phenotyping study Nicholas W Larsen; Jannika V Machnik; Jordan Seliger; Ruba Shaik; Christopher H Gibbons; Paul J Utz; Maarten G Lansberg; Srikanth Muppidi; Safwan Jaradeh; Mitchell G Miglis BACKGROUND Postural tachycardia syndrome (POTS) has...

Circulating Autoantibodies Against Vasoactive Biomarkers Related to Orthostatic Intolerance in Long COVID Patients Compared to No-Long-COVID Populations: A Case-Control Study Emilie Han, Katrin Müller-Zlabinger, Ena Hasimbegovic, Laura Poschenreithner, Nina Kastner, Babette Maleiner, Kevin...

Abstract Cerebral blood flow (CBF) is vital for delivering oxygen and nutrients to the brain. Many forms of orthostatic intolerance (OI) involve impaired regulation of CBF in the upright posture, which results in disabling symptoms that decrease quality of life. Because CBF is not easy to...

Dietary sodium and health: How much is too much for those with orthostatic disorders? Stock; Chelimsky; Edwards; Farquhar High dietary salt (NaCl) increases blood pressure (BP) and can adversely impact multiple target organs including the vasculature, heart, kidneys, brain, autonomic nervous...

Peter Novak and David Systrom, etc. Peter Rowe is a reviewer… one quote from the paper: Our study provides additional evidence of importance of cerebral blood flow and respiratory system in orthostatic intolerance syndromes without orthostatic hypotension...

We've had a very population thread about needing to lie flat, started by @Jonathan Edwards, and @Mij has just started a very interesting thread about some new research showing the uselessness of salt for OI. From reading about OI on the forum, I'm wondering if anything is actually solidly known...

Overlapping Conditions in Long COVID at a Multisite Academic Center Background: Many patients experience persistent symptoms after COVID-19, a syndrome referred to as Long COVID (LC). The goal of this study was to identify novel new or worsening comorbidities self-reported in patients with LC...

Throat problems linked to decreased baroreflex sensitivity (msn.com)

https://www.emerge.org.au/get-involved-in-research/ Have you been diagnosed with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) or orthostatic intolerance? Researchers at the Baker Heart and Diabetes Institute (Melbourne, Victoria) request your contribution to research that hopes...

Orthostatic Intolerance in Children With Long COVID Utilizing a 10-Minute Passive Standing Test Amanda K. Morrow; Cindy Villatoro; Christina Kokorelis; Peter C. Rowe; Laura A. Malone Despite there being a wide variety of symptoms reported in pediatric long COVID, one condition that has become...