Enhanced Vagal Withdrawal During Mild Orthostatic Stress in Adolescents with Chronic Fatigue
نویسندگان
چکیده
منابع مشابه
Increasing orthostatic stress impairs neurocognitive functioning in chronic fatigue syndrome with postural tachycardia syndrome.
CFS (chronic fatigue syndrome) is commonly co-morbid with POTS (postural tachycardia syndrome). Individuals with CFS/POTS experience unrelenting fatigue, tachycardia during orthostatic stress and ill-defined neurocognitive impairment, often described as 'mental fog'. We hypothesized that orthostatic stress causes neurocognitive impairment in CFS/POTS related to decreased CBFV (cerebral blood fl...
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Cerebral blood flow (CBF) and consequently orthostatic tolerance when upright depends on dilation of the cerebral vasculature in the face of reduced perfusion pressure associated with the hydrostatic gradient. However, it is still unclear if cholinergic activation plays a role in this dilation. To determine if enhancing central cholinergic activity with the centrally acting acetylcholinesterase...
متن کاملOrthostatic intolerance and chronic fatigue syndrome--possible related conditions.
The connection between orthostatic intolerance and chronic fatigue syndrome was first introduced in 1995. It was demonstrated that many patients with chronic fatigue syndrome also had some form of orthostatic intolerance. Some studies suggested that dysautonomia may be the common problem in patients with these syndromes. Although these conditions affect an important number of people, especially...
متن کاملObesity in adolescents with chronic fatigue syndrome: an observational study
OBJECTIVE Identify the prevalence of obesity in patients with chronic fatigue syndrome (CFS) compared with healthy adolescents, and those identified with CFS in a population cohort. DESIGN Cross-sectional analysis of multiple imputed data. SETTING Data from UK paediatric CFS/myalgic encephalomyelitis (CFS/ME) services compared with data collected at two time points in the Avon Longitudinal ...
متن کاملParadoxical decrease in circulating neuropeptide Y-like immunoreactivity during mild orthostatic stress in subjects with and without congestive heart failure.
Neuropeptide Y (NPY) is thought to be co-released with catecholamines in response to major cardiovascular stresses, but its relation to the release of catecholamines in response to minor stresses has been less well described. We therefore studied the response of plasma NPY-like immunoreactivity (NPY-Li) levels to standing (10 min) in eight normal subjects and 11 patients with congestive heart f...
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ژورنال
عنوان ژورنال: Annals of Noninvasive Electrocardiology
سال: 2008
ISSN: 1082-720X
DOI: 10.1111/j.1542-474x.2007.00202.x