Asprusten, Tarjei Tørre, Pedersen, Maria, Skovlund, Eva et al. · BMJ paediatrics open · 2019 · DOI
This study looked at whether doctors could predict which teenagers with mono (infectious mononucleosis caused by EBV) would develop long-lasting fatigue 6 months later. The researchers found that when doctors initially thought a patient would be 'likely fatigued' or 'unsurely fatigued,' those patients were more likely to actually develop fatigue compared to those predicted as 'not fatigued.' However, the doctors' predictions were only correct about two-thirds of the time.
Understanding which patients develop persistent fatigue after EBV infection could help identify those at risk for ME/CFS-like illness and inform early intervention strategies. This study highlights that physicians may intuitively recognize risk factors for post-viral fatigue, suggesting future research should investigate the specific clinical or biological markers that underpin this clinical judgment.
This study does not prove that physician intuition is reliable enough for clinical decision-making, nor does it identify the specific biological or clinical factors driving fatigue development. It does not establish causation or demonstrate that early intervention based on physician prediction would prevent fatigue; it only shows an association between initial prediction and later outcomes.
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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