Van Cauwenbergh, Deborah, Nijs, Jo, Kos, Daphne et al. · European journal of clinical investigation · 2014 · DOI
This review examined 27 studies that looked at how the autonomic nervous system (the part of your nervous system that controls automatic body functions like heart rate) works differently in ME/CFS patients compared to healthy people. Researchers found that ME/CFS patients often show unusual heart rate responses during tilting tests, which is consistent with a condition called postural orthostatic tachycardia syndrome (POTS). These autonomic nervous system differences might help doctors diagnose ME/CFS.
Autonomic dysfunction is a significant feature affecting quality of life in ME/CFS, contributing to postural intolerance and orthostatic symptoms that worsen with exertion. Identifying autonomic measures as potential diagnostic tools could help clinicians standardize ME/CFS diagnosis and better understand disease pathophysiology. This research validates that ANS abnormalities are a consistent biological feature of ME/CFS rather than a psychological issue.
This review does not establish that autonomic dysfunction is the primary cause of ME/CFS or explain the underlying mechanisms of ANS malfunction. The varying methodological quality (50-71.4%) means some included studies may have had confounding factors or measurement errors, limiting confidence in specific findings. This is a systematic review synthesizing existing literature—it identifies patterns but does not provide new primary data.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Van Cauwenbergh, Deborah, Nijs, Jo, Kos, Daphne, Van Weijnen, Laura, Struyf, Filip, & Meeus, Mira (2014). Malfunctioning of the autonomic nervous system in patients with chronic fatigue syndrome: a systematic literature review.. European journal of clinical investigation. https://doi.org/10.1111/eci.12256
BibTeX
@article{mecfsatlas-van-cauwenbergh-2014-malfunctioning-autonomic,
author = {Van Cauwenbergh, Deborah and Nijs, Jo and Kos, Daphne and Van Weijnen, Laura and Struyf, Filip and Meeus, Mira},
title = {Malfunctioning of the autonomic nervous system in patients with chronic fatigue syndrome: a systematic literature review.},
journal = {European journal of clinical investigation},
year = {2014},
doi = {10.1111/eci.12256},
note = {PubMed: 24601948},
url = {https://www.mecfsatlas.com/evidence/van-cauwenbergh-2014-malfunctioning-autonomic},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/van-cauwenbergh-2014-malfunctioning-autonomic
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