Evidence map›Paper›PMID 31031694›Full record

ReviewFrontiers in neurology2019

Autonomic Dysfunction in α-Synucleinopathies.

José Javier Mendoza-Velásquez, Juan Francisco Flores-Vázquez, Evalinda Barrón-Velázquez, Ana Luisa Sosa-Ortiz, Ben-Min Woo Illigens, Timo Siepmann

Open access · goldAbstract readReview
In one paragraph

Review in Frontiers in neurology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
57citing papers in PubMed, 5 pooled it
10.8field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

57 citing papers in PubMed, 5 syntheses or guidelines pooled it, 115 citations in OpenAlex.

  1. Pooled it
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  6. Multiple system atrophy: cure and care.Journal of neural transmission (Vienna, Austria : 1996) · 2026
    Review
  7. Article
  8. Review
  9. Article
  10. Article
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  12. Article
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  15. Update on the Treatment of Autonomic Disorders.Current treatment options in neurology · 2025
    Article
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  17. Article
  18. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 5 institutions in 4 countries.

José Javier Mendoza-VelásquezDivision of Health Care Sciences, Center for Clinical Research and Management Education, Dresden International University, Dresden, Germany.
Juan Francisco Flores-VázquezDementia Laboratory, National Institute of Neurology and Neurosurgery, Ciudad de Mexico, Mexico.
Evalinda Barrón-VelázquezDepartment of Psychiatry and Mental Health, School of Medicine, National Autonomous University of Mexico, Mexico City, Mexico.
Ana Luisa Sosa-OrtizDementia Laboratory, National Institute of Neurology and Neurosurgery, Ciudad de Mexico, Mexico.
Ben-Min Woo IlligensDivision of Health Care Sciences, Center for Clinical Research and Management Education, Dresden International University, Dresden, Germany.
Timo SiepmannDivision of Health Care Sciences, Center for Clinical Research and Management Education, Dresden International University, Dresden, Germany.
Universidad Nacional Autónoma de México · MXHarvard University · USInstituto Nacional de Neurología y Neurocirugía · MXTU Dresden · DEUniversity Medical Center Groningen · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The α-synucleinopathies are a group of neurodegenerative diseases characterized by abnormal accumulation of insoluble α-synuclein in neurons and glial cells, comprising Parkinson's disease (PD), dementia with Lewy bodies (DLB) and multiple system atrophy (MSA). Although varying in prevalence, symptom patterns, and severity among disorders, all α-synucleinopathies have in common autonomic nervous system dysfunctions, which reduce quality of life. Frequent symptoms among α-synucleinopathies include constipation, urinary and sexual dysfunction, and cardiovascular autonomic symptoms such as orthostatic hypotension, supine hypertension, and reduced heart rate variability. Symptoms due to autonomic dysfunction can appear before motor symptom onset, particularly in MSA and PD, hence, detection and quantitative analysis of these symptoms can enable early diagnosis and initiation of treatment, as well as identification of at-risk populations. While patients with PD, DLB, and MSA show both central and peripheral nervous system involvement of α-synuclein pathology, pure autonomic failure (PAF) is a condition characterized by generalized dysregulation of the autonomic nervous system with neuronal cytoplasmic α-synuclein inclusions in the peripheral autonomic small nerve fibers. Patients with PAF often present with orthostatic hypotension, reduced heart rate variability, anhydrosis, erectile dysfunction, and constipation, without motor or cognitive impairment. These patients also have an increased risk of developing an α-synucleinopathy with central involvement, such as PD, DLB, or MSA in later life, possibly indicating a pathophysiological disease continuum. Pathophysiological aspects, as well as developments in diagnosing and treating dysautonomic symptoms in patients with α-synucleinopathies are discussed in this review.

Indexed as

autonomic dysfunctiondementia with Lewy bodiesdysautonomiamultiple system atrophyParkinson diseasepure autonomic failureα-synucleinopathies

Identifiers

PMID31031694
PMCPMC6474181
OpenAlexW2936256093

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.