E3 PreliminaryPreliminaryPEM not requiredCase-ControlPeer-reviewedReviewed
[Usefulness of growth chart in children and adolescents with chronic fatigue syndrome].
Oki, Junichi, Okubo, Jun · Nihon rinsho. Japanese journal of clinical medicine · 2007
Quick Summary
This small study looked at growth charts from three young people with chronic fatigue syndrome to see if the charts could help identify what triggered their illness. The researchers found that life events—like overexercise, family stress, or infection—appeared before symptoms like extreme tiredness, nausea, and sleep problems started. While growth charts alone cannot predict who will develop ME/CFS, they may help doctors spot important life changes that happened around the time symptoms began.
Why It Matters
Understanding potential triggers for ME/CFS in children—such as stress, infection, and overexertion—is crucial for early recognition and management. This study suggests that routine clinical tools like growth charts can help clinicians identify when significant life events preceded illness onset, potentially improving patient outcomes through earlier intervention and appropriate activity modification.
Observed Findings
- Patient 1: Decreased weight gain after excessive exercise, followed by nausea, abdominal pain, sleep disturbance, and debilitating fatigue.
- Patient 2: Increased weight gain from stress-related overeating during parental divorce, followed by syncope, sleep disturbance, and fatigue.
- Patient 3: Decreased weight gain concurrent with lymph node enlargement and persistently positive antinuclear antibody.
- Growth chart abnormalities preceded or coincided with symptom development in all three cases.
Inferred Conclusions
- Growth charts may identify important life events and physical stressors that temporally precede ME/CFS symptom onset in children.
- While not diagnostically predictive, growth charts serve as a secondary screening tool to recognize potential triggering factors.
- Both psychological stressors (family conflict) and physical stressors (overexertion, infection) may precede disease manifestation in pediatric ME/CFS.
Remaining Questions
- How common is growth chart abnormality in children with ME/CFS compared to controls?
- Do specific patterns of growth change (weight gain vs. loss) predict different ME/CFS phenotypes or severity?
- Can prospective growth chart monitoring help prevent ME/CFS onset in at-risk children?
What This Study Does Not Prove
This study does not establish that growth chart changes cause ME/CFS, only that they may temporally correlate with symptom onset. The case series design (n=3) cannot determine prevalence or incidence of ME/CFS in children, nor can it prove that identified stressors are causative rather than coincidental. The findings are descriptive and exploratory rather than confirmatory.
Tags
Symptom:Post-Exertional MalaiseUnrefreshing SleepFatigue
Biomarker:Autoantibodies
Phenotype:Pediatric
Method Flag:PEM Not DefinedWeak Case DefinitionNo ControlsSmall SampleExploratory Only
Metadata
- PMID
- 17561706
- Review status
- Editor reviewed
- Evidence level
- Early hypothesis, preprint, editorial, or weak support
- Last updated
- 12 April 2026
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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