Results 21 to 30 of about 7,102 (233)

Abnormally increased iron concentration in basal ganglia in Shy-Drager syndrome MR imaging and autonomic study: RM imagem e estudo autonômico

open access: yesArquivos de Neuro-Psiquiatria, 1991
Report of an early case of Shy-Drager syndrome in a 67 year-old woman patient. Autonomic failure was diagnosed by functional evaluation as well as laboratory tests. MR imaging disclosed a prominent putamina hypodensity in T2-weighted images at high field
Jayme A. Maciel Jr.   +3 more
doaj   +1 more source

Autonomic dysfunction in Parkinson’s disease: Implications for pathophysiology, diagnosis, and treatment

open access: yesNeurobiology of Disease, 2020
Parkinson’s disease (PD) is a neurodegenerative disease with a 200 year-long research history. Our understanding about its clinical phenotype and pathogenesis remains limited, although dopaminergic replacement therapy has significantly improved patient ...
Zhichun Chen, Guanglu Li, Jun Liu
doaj   +1 more source

Passive Immunization in Alpha-Synuclein Preclinical Animal Models

open access: yesBiomolecules, 2022
Alpha-synucleinopathies include Parkinson’s disease, dementia with Lewy bodies, pure autonomic failure and multiple system atrophy. These are all progressive neurodegenerative diseases that are characterized by pathological misfolding and accumulation of
Jonas Folke   +4 more
doaj   +1 more source

Congenital Insensitivity to Pain (HSNA type IV)

open access: yesPediatric Neurology Briefs, 2015
Investigators from New York University, NY, studied 14 patients with congenital insensitivity to pain with anhidrosis (CIPA), compared to 10 patients with chronically deficient sympathetic activity (pure autonomic failure), and 15 normal age-matched ...
J Gordon Millichap
doaj   +1 more source

Inverted circadian variation of arterial pressure in a geriatric patient: an indicator of autonomic dysfunction

open access: yesBMC Geriatrics, 2021
Background Orthostatic hypotension (OH) in geriatric patients frequently involves a component of autonomic failure (AF). The combination of OH with nocturnal hypertension (NHT) is indicative of AF, which is described as pure (PAF), when neurologic ...
Siddhartha Lieten   +3 more
doaj   +1 more source

Real‐Time Magnetic Resonance Imaging to Study Orthostatic Intolerance Mechanisms in Human Beings: Proof of Concept

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2022
Background Discerning the mechanisms driving orthostatic symptoms in human beings remains challenging. Therefore, we developed a novel approach combining cardiac and cerebral real‐time magnetic resonance imaging, beat‐to‐beat physiological monitoring ...
Darius A. Gerlach   +10 more
doaj   +1 more source

Supine Hypertension and Extreme Reverse Dipping Phenomenon Decades after Kidney Transplantation: A Case Report

open access: yesArtery Research, 2020
Background: Supine hypertension, a consequence of autonomic neuropathy, is a rarely recognized pathological condition. Reported diseases in the background are pure autonomic failure, multiple system atrophy, Parkinson’s disease, diabetes and different ...
Dóra Batta   +2 more
doaj   +1 more source

Hormonal and cardiovascular reflex assessment in a female patient with pure autonomic failure

open access: yesArquivos Brasileiros de Cardiologia, 2000
We report the case of a 72-year-old female with pure autonomic failure, a rare entity, whose diagnosis of autonomic dysfunction was determined with a series of complementary tests.
Heno Ferreira Lopes   +5 more
doaj   +1 more source

Falência autonómica pura.

open access: yesActa Médica Portuguesa, 1993
We present the case of a 64-year-old woman who, in the past 5 years, complained of constipation/diarrhea, hyposudoresis, xerostomia and xerophthalmia, dysuria and orthostatic hypotension.
J L Ducla-Soares   +8 more
doaj   +1 more source

Hemodynamic Effects of the Osmopressor Response: A Systematic Review and Meta‐Analysis

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2023
Background Rapidly consuming water may offer practical orthostatic hypotension therapy. However, its efficacy across disorders remains uncertain. This study aims to assess the impact of rapid 350‐ to 500‐mL water intake on systolic and diastolic blood ...
Oyebimbola A. Oyewunmi   +5 more
doaj   +1 more source

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