Comtois, R · L'union medicale du Canada · 1991
This 1991 review article addresses a fundamental question: Is chronic fatigue a real medical condition or just a perception? The authors acknowledge that while fatigue is one of the most common health complaints doctors hear, it can be difficult to diagnose and treat because we don't have simple blood tests like we do for cholesterol. The paper discusses how new diagnostic criteria for chronic fatigue syndrome were beginning to help doctors identify and manage this condition more effectively.
This 1991 review is a historical milestone documenting the medical community's formal recognition of chronic fatigue syndrome as a legitimate diagnostic entity. For ME/CFS patients, this paper represents a pivotal moment when the medical field moved toward standardized diagnostic criteria, potentially reducing dismissal of the condition. Understanding this evolution helps patients appreciate how far diagnosis and clinical recognition have advanced since these foundational definitions were established.
This review does not establish the underlying biological cause of chronic fatigue syndrome, nor does it present new experimental data or clinical trials. It does not prove that any specific biomarker or diagnostic test definitively identifies ME/CFS. The paper cannot demonstrate effectiveness of any particular treatment, as it is a conceptual review rather than an outcomes study.
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 →
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