Rouillon, F, Delhommeau, L, Vinceneux, P · Presse medicale (Paris, France : 1983) · 1996
This review examines chronic fatigue syndrome (CFS), a condition where people experience lasting, unexplained tiredness that interferes with daily life. The condition has been recognized for over a century under different names. Currently, doctors and researchers don't fully understand what causes CFS, though it may involve viral infections, immune system problems, or psychiatric factors. Most treatments tested so far have shown limited effectiveness.
This review documents the persistent challenge of understanding and treating ME/CFS, highlighting that decades of research have not yet established clear causation or effective treatments. For patients, it acknowledges the legitimacy of their condition as a recognized medical disease rather than purely psychological. For researchers, it identifies fundamental gaps in knowledge that continue to justify ongoing investigation into viral, immunological, and other biological mechanisms.
This review does not establish which proposed mechanisms (viral, immunological, or psychiatric) actually cause CFS, nor does it prove that any available treatment is effective. As a narrative review without systematic analysis, it cannot quantify treatment efficacy or determine causation from the literature discussed. The authors themselves note that treatment evaluation remains inconclusive, so no definitive therapeutic recommendations can be drawn.
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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