Osipenko, M F, Bikbulatova, E A · Klinicheskaia meditsina · 2007
This review examines how liver cirrhosis (severe liver disease) affects the heart. The study found that patients with cirrhosis develop heart problems including thickened heart walls and weakened heart function, especially during physical activity. These heart changes may contribute to fatigue and reduced ability to work, but importantly, these problems can improve significantly after a liver transplant.
This study is relevant to ME/CFS research because it demonstrates how a chronic systemic disease can cause cardiac dysfunction with disproportionate fatigue and exercise intolerance despite preserved baseline systolic function. The pathophysiology—abnormal hemodynamic response to physical stress—parallels mechanisms being investigated in ME/CFS, and the reversibility post-intervention suggests cardiac dysfunction may be modifiable rather than permanent.
This study does not establish that cirrhotic cardiomyopathy causes chronic fatigue syndrome; rather, it suggests cardiac dysfunction contributes to fatigue development in cirrhosis patients. The mechanisms underlying fatigue in cirrhosis may differ significantly from ME/CFS pathophysiology. Additionally, as a review article, it does not provide original experimental or clinical data to definitively prove causation.
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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