Mulrow, C D, Ramirez, G, Cornell, J E et al. · Evidence report/technology assessment (Summary) · 2001
This 2001 review examined the medical literature on chronic fatigue syndrome to summarize what was known about how to define and manage the condition. The authors looked at existing research to identify consistent diagnostic criteria and treatment approaches. The goal was to create a clear picture of CFS based on the best available evidence at that time.
This systematic review was among the first rigorous attempts to consolidate fragmented CFS research and establish consistent definitions across studies. Clear case definitions and evidence-based management guidelines are essential for improving diagnosis, enabling valid research comparisons, and guiding clinical care for patients.
This review does not establish causation for CFS or definitively prove which treatments are most effective—it synthesizes existing literature that itself has limitations. The conclusions are restricted to what published evidence existed in 2001 and do not represent newer research findings from subsequent decades.
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
Mulrow, C D, Ramirez, G, Cornell, J E, & Allsup, K (2001). Defining and managing chronic fatigue syndrome.. Evidence report/technology assessment (Summary). https://pubmed.ncbi.nlm.nih.gov/11840862/
BibTeX
@article{mecfsatlas-mulrow-2001-defining-managing,
author = {Mulrow, C D and Ramirez, G and Cornell, J E and Allsup, K},
title = {Defining and managing chronic fatigue syndrome.},
journal = {Evidence report/technology assessment (Summary)},
year = {2001},
note = {PubMed: 11840862},
url = {https://www.mecfsatlas.com/evidence/mulrow-2001-defining-managing},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/mulrow-2001-defining-managing
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