Long-Term COVID 19 Sequelae in Adolescents: the Overlap with Orthostatic Intolerance and ME/CFS.
Morrow, Amanda K, Malone, Laura A, Kokorelis, Christina et al. · Current pediatrics reports · 2022 · DOI
Quick Summary
Some teenagers who had COVID-19 develop long-lasting symptoms months after their initial infection, even if they weren't severely ill at first. These long COVID symptoms—like extreme fatigue, brain fog, and difficulty standing—look very similar to ME/CFS. This review examines how common long COVID is in teens and explains why current treatments don't work well for everyone because long COVID may actually be several different conditions.
Why It Matters
This study is important because it formally recognizes the clinical and symptomatic overlap between post-COVID-19 conditions and ME/CFS in adolescents, suggesting that established ME/CFS management approaches may benefit long COVID patients. For ME/CFS researchers, it validates that orthostatic intolerance and post-exertional malaise are core features across these conditions, potentially supporting unified research frameworks.
Observed Findings
Post-COVID-19 symptoms in adolescents include fatigue, shortness of breath, and cognitive dysfunction that impact daily functioning.
Symptom onset occurs within 3 months of COVID-19 and persists for at least 2 months in the post-COVID-19 condition.
Adolescents with mild initial COVID-19 infections can develop chronic impairments that overlap with ME/CFS features (post-exertional malaise, orthostatic intolerance, unrefreshing sleep).
No single pharmacologic agent effectively treats all post-COVID-19 symptoms.
Multiple distinct types of long COVID may exist, each potentially requiring different treatment approaches.
Inferred Conclusions
Several distinct pathophysiologic mechanisms may underlie post-COVID-19 conditions in adolescents, suggesting heterogeneous disease entities.
Management guidelines for ME/CFS and related conditions may provide useful clinical frameworks for treating post-COVID-19 symptom presentations.
The substantial symptom overlap between long COVID and ME/CFS warrants integrated clinical and research approaches.
Remaining Questions
What are the specific biological mechanisms driving post-COVID-19 condition development, and do they differ across patient subgroups?
What This Study Does Not Prove
This review does not establish the mechanistic causes of long COVID or ME/CFS, nor does it prove that long COVID and ME/CFS are the same disease. It also does not provide evidence that any specific treatment is effective—only that current single-agent approaches are insufficient. The study cannot determine whether observed symptom overlap reflects shared pathophysiology or convergent clinical presentations from different underlying processes.