Evidence map›Paper›PMID 34073494›Full record

ArticleJournal of clinical medicine2021

Post-Exertional Malaise May Be Related to Central Blood Pressure, Sympathetic Activity and Mental Fatigue in Chronic Fatigue Syndrome Patients.

Sławomir Kujawski, Joanna Słomko, Lynette Hodges, Derek F H Pheby, Modra Murovska, Julia L Newton, Paweł Zalewski

Open access · goldAbstract read
In one paragraph

Article in Journal of clinical medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
0.8field-weighted citation impact, top 31% 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

5 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.

  1. Recent research in myalgic encephalomyelitis/chronic fatigue syndrome: an evidence map.Health technology assessment (Winchester, England) · 2025
    Pooled it
  2. 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

7 authors at 5 institutions in 4 countries.

Sławomir KujawskiDepartment of Hygiene, Epidemiology, Ergonomics and Postgraduate Education, Division of Ergonomics and Exercise Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland.ORCID 0000-0001-5186-5037
Joanna SłomkoDepartment of Hygiene, Epidemiology, Ergonomics and Postgraduate Education, Division of Ergonomics and Exercise Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland.ORCID 0000-0002-8503-3172
Lynette HodgesSchool of Sport, Exercise and Nutrition, Massey University, Palmerston North 4442, New Zealand.ORCID 0000-0001-7482-0499
Derek F H PhebySociety and Health, Buckinghamshire New University (Retired), High Wycombe HP11 2JZ, UK.ORCID 0000-0003-1726-0717
Modra MurovskaInstitute of Microbiology and Virology, Riga Stradiņš University, LV-1067 Riga, Latvia.ORCID 0000-0003-0971-1784
Julia L NewtonPopulation Health Sciences Institute, The Medical School, Newcastle University, Newcastle-upon-Tyne NE2 4AX, UK.
Paweł ZalewskiDepartment of Hygiene, Epidemiology, Ergonomics and Postgraduate Education, Division of Ergonomics and Exercise Physiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Bydgoszcz, Poland.ORCID 0000-0001-8453-7785
Nicolaus Copernicus University · PLBuckinghamshire New University · GBMassey University · NZNewcastle University · GBRiga Stradiņš University · LV

Funding

COST Action CA15111
6 · The paper itself

Abstract

Post-exertional malaise (PEM) is regarded as the hallmark symptom in chronic fatigue syndrome (CFS). The aim of the current study is to explore differences in CFS patients with and without PEM in indicators of aortic stiffness, autonomic nervous system function, and severity of fatigue. One-hundred and one patients met the Fukuda criteria. A Chronic Fatigue Questionnaire (CFQ) and Fatigue Impact Scale (FIS) were used to assess the level of mental and physical fatigue. Aortic systolic blood pressure (sBPaortic) and the autonomic nervous system were measured with the arteriograph and Task Force Monitor, respectively. Eighty-two patients suffered prolonged PEM according to the Fukuda criteria, while 19 did not. Patients with PEM had higher FIS scores (

Indexed as

brain fogmyalgic encephalomyelitisPEMvascular stiffness

Identifiers

PMID34073494
PMCPMC8198768
OpenAlexW3165710478

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.