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. 2023 Mar;108(3):230-235.
doi: 10.1136/archdischild-2022-324319. Epub 2022 Dec 1.

Severe myalgic encephalomyelitis/chronic fatigue syndrome in children and young people: a British Paediatric Surveillance Unit study

Alexander Peter Royston  1 , Manmita Rai  2 , Amberly Brigden  3 , Sarah Burge  4 , Terry Y Segal  5 , Esther M Crawley  4   6
Affiliations

Severe myalgic encephalomyelitis/chronic fatigue syndrome in children and young people: a British Paediatric Surveillance Unit study

Alexander Peter Royston et al. Arch Dis Child. 2023 Mar.

Abstract

Objectives: Primary objective: to determine the point prevalence and incidence rate of severe myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) in children aged 5-16 years over 13 months.

Secondary objectives: to describe the demographic features, symptoms, impact on activities of daily living, school attendance and time to diagnosis.

Design: Prospective surveillance study conducted by the British Paediatric Surveillance Unit. Paediatricians was asked if they had assessed a child with severe ME/CFS (screening definition for prevalence and incidence: children (5-16 years) diagnosed with ME/CFS so severe that they are unable to attend school for more than 1 hour a week during the last 6 weeks of the school term).

Participants: Patients 5-16 years of age, seen by paediatricians and two large ME/CFS specialist services across the UK and Ireland.

Outcome measures: Paediatrician-completed questionnaires describing demographics, symptoms, function and treatment, (applying National Institute for Health and Care Excellence (NICE)-recommended criteria to assess severity of ME/CFS). Diagnosis of severe, probable severe or possible severe ME/CFS was made only with evidence of NICE-recommended screening blood tests.

Results: 285 cases were reported, of which of which 33 were severe, 4 probable severe and 55 possible severe. Estimated prevalence was 3.2 per million children (95% CI 2.2 to 4.5). Including possible/probable severe ME/CFS gave 8.9 per million children (95% CI 7.2 to 11). The incidence rate was 0.90 per million children-years (95% CI 0.43 to 1.65) (1.97 per million children-years (95% CI 1.24 to 2.99)). Median age was 13 years and 58% of cases were female. Median time to diagnosis was 0.47 years.

Conclusions: Although the incidence of children presenting with severe ME/CFS is low, all were very disabled. In addition, the majority receive little or no education. Paediatricians need to consider how to provide rehabilitation and education for these disabled young people.

Keywords: child health; chronic fatigue syndrome; paediatrics.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Schematic of reported cases: reported cases of severe ME/CFS in children 5–16 years old from January 2018 to January 2019.
See this image and copyright information in PMC

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