Szafraniec et al. (2026)
- Authors: Artur Szafraniec, Olga Krężel, Maciej Krężel, Zuzanna Kalinowska, Hanna Aleksandrowicz, Marcelina Rybińska
- Institutes: Nicolaus Copernicus University, Toruń, Poland
- Publisher: Journal of Education, Health and Sport
- Link: DOI
Summary
This publication reinforces the biological reality of ME/CFS as a system-wide failure of energy production rather than a psychological condition. By highlighting post-exertional malaise as the central feature, it validates the patient experience and provides a scientific rationale for pacing as a critical management strategy. It also underscores the complexity of the disease’s pathophysiology, involving immune, metabolic, and autonomic systems.
What was researched?
This review examines the complex pathophysiology of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, with a primary focus on the biological mechanisms of post-exertional malaise and cellular energy failure.
Why was it researched?
The research was prompted by the need to understand the biological basis of the profound functional decline seen in patients, as the condition currently lacks validated diagnostic biomarkers.
How was it researched?
The authors conducted a comprehensive narrative review of existing clinical frameworks and analyzed evidence regarding immune dysregulation, metabolic abnormalities, and autonomic dysfunction.
What has been found?
The findings indicate that ME/CFS involves a multifactorial breakdown of energy homeostasis driven by mitochondrial abnormalities, immune dysregulation, and gut dysbiosis. While no single diagnostic biomarker was identified, the review suggests that multi-omic signatures show promise for future clinical application.
Discussion
The study emphasizes that diagnosis remains purely clinical and requires the thorough exclusion of alternative medical and psychiatric conditions. It notes that the significant heterogeneity among patients complicates the search for universal treatments and diagnostic tools.
Conclusion & Future Work
Management should focus on supportive care and individualized pacing to prevent symptom exacerbation. Further research into metabolic and immune signatures is essential for improving diagnostic accuracy and developing targeted therapies.