The presence of co-morbid mental health problems in a cohort of adolescents with chronic fatigue syndrome.
Loades, Maria Elizabeth, Rimes, Katharine A, Ali, Sheila et al. · Clinical child psychology and psychiatry · 2018 · DOI
Quick Summary
This study looked at mental health problems in 52 teenagers with ME/CFS to see how common depression and anxiety are in this group. About one-third of the teenagers had depression, and over a quarter had anxiety disorders. Teenagers with depression reported more difficulty with school and social life. The researchers found that using a proper psychiatric interview was better than just asking teenagers to fill out questionnaires for identifying these mental health conditions.
Why It Matters
Mental health comorbidities significantly impact quality of life and functional outcomes in adolescents with ME/CFS. This study demonstrates that standard psychiatric assessment tools may miss anxiety in this population, suggesting clinicians need validated interviews to properly identify and treat these conditions alongside fatigue management. Understanding comorbidity prevalence helps guide integrated treatment approaches for this vulnerable population.
Observed Findings
34.6% of adolescents with ME/CFS met diagnostic criteria for major depressive disorder on structured psychiatric interview
28.8% met criteria for an anxiety disorder, with 15% having comorbid anxiety and depression
Adolescents with depression reported significantly greater interference with school and social functioning
Trait anxiety scores were significantly higher in those with depression diagnoses, but state anxiety was not
Self-report anxiety questionnaires (STAI) did not correlate with anxiety diagnoses on psychiatric interview, while CDI scores did correlate with depression diagnoses
Inferred Conclusions
Clinicians should use validated structured psychiatric interviews rather than relying solely on self-report questionnaires to identify anxiety and depression in adolescents with ME/CFS
Treatment approaches should be transdiagnostic and flexible enough to address fatigue, depression, and anxiety simultaneously
Incorporating pleasurable activities into treatment may be particularly beneficial for depressed adolescents with ME/CFS
Remaining Questions
Does depression and anxiety in ME/CFS adolescents respond differently to treatment compared to primary psychiatric populations, particularly given fatigue limitations?
What This Study Does Not Prove
This study does not establish whether depression and anxiety cause ME/CFS, result from it, or are coincidental findings. The cross-sectional design cannot determine temporal relationships or causality. Additionally, because participants were recruited from specialist clinics, results may not represent all adolescents with ME/CFS, including those who are less severely affected or not seeking specialist care.
Tags
Symptom:Fatigue
Phenotype:Pediatric
Method Flag:PEM Not DefinedWeak Case DefinitionNo ControlsSmall Sample