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Referral criteria from primary care - chronic fatigue syndrome (CFS) / myalgic encephalitis (ME)

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When ME/CFS is suspected in a child or young person based on the presenting clinical features and assessments *

  • refer them to a paediatrician for further assessment and investigation for ME/CFS and other conditions
  • start to work with the child or young person's place of education or training to support flexible adjustments or adaptations

Primary healthcare professionals should consider seeking advice from an appropriate specialist if there is uncertainty about interpreting signs and symptoms at 3 months and whether further investigations are needed.

Diagnose ME/CFS in a child, young person or adult who has the symptoms and assessment* that have persisted for 3 months and are not explained by another condition

Refer adults directly to an ME/CFS specialist team *** to confirm their diagnosis and develop a care and support plan

Refer children and young people who have been diagnosed with ME/CFS after assessment by a paediatrician (symptoms and assessments*) directly to a paediatric ME/CFS specialist team *** to confirm their diagnosis and develop a care and support plan

* Clinical features and assessment of ME/CFS:

Suspect ME/CFS if:

  • the person has had all of the persistent symptoms in ** for a minimum of 6 weeks in adults and 4 weeks in children and young people and
  • the person's ability to engage in occupational, educational, social or personal activities is significantly reduced from pre-illness levels and
  • symptoms are not explained by another condition

**Persistent symptoms in suspected ME/CFS

All of these symptoms should be present:

  • debilitating fatigue that is worsened by activity, is not caused by excessive cognitive, physical, emotional or social exertion, and is not significantly relieved by rest.
  • post-exertional malaise after activity in which the worsening of symptoms:
    • is often delayed in onset by hours or days
    • is disproportionate to the activity
    • as a prolonged recovery time that may last hours, days, weeks or longer
  • unrefreshing sleep or sleep disturbance (or both), which may include:
    • feeling exhausted, feeling flu-like and stiff on waking
    • broken or shallow sleep, altered sleep pattern or hypersomnia.
  • cognitive difficulties (sometimes described as 'brain fog'), which may include problems finding words or numbers, difficulty in speaking, slowed responsiveness, short-term memory problems, and difficulty concentrating or multitasking.

Notes:

  • post-exertional malaise
    • worsening of symptoms that can follow minimal cognitive, physical, emotional or social activity, or activity that could previously be tolerated. Symptoms can typically worsen 12 to 48 hours after activity and last for days or even weeks, sometimes leading to a relapse. Post-exertional malaise may also be referred to as post-exertional symptom exacerbation
  • fatigue in ME/CFS typically has the following components:
    • feeling flu-like, especially in the early days of the illness
    • restlessness or feeling 'wired but tired'
    • low energy or a lack of physical energy to start or finish activities of daily living and the sensation of being 'physically drained'
    • cognitive fatigue that worsens existing difficulties
    • rapid loss of muscle strength or stamina after starting an activity, causing for example, sudden weakness, clumsiness, lack of coordination, and being unable to repeat physical effort consistently

If ME/CFS is suspected, carry out:

  • a medical assessment (including symptoms and history, comorbidities, overall physical and mental health)
  • a physical examination
  • an assessment of the impact of symptoms on psychological and social wellbeing
  • investigations to exclude other diagnoses, for example (but not limited to):
    • urinalysis for protein, blood and glucose
    • full blood count
    • urea and electrolytes
    • liver function
    • thyroid function
    • erythrocyte sedimentation rate or plasma viscosity
    • C-reactive protein
    • calcium and phosphate
    • HbA1c
    • serum ferritin
    • coeliac screening
    • creatine kinase

Use clinical judgement to decide on additional investigations to exclude other diagnoses (for example, vitamin D, vitamin B12 and folate levels; serological tests if there is a history of infection; and 9am cortisol for adrenal insufficiency)

Be aware that the following symptoms may also be associated with, but are not exclusive to, ME/CFS:

  • orthostatic intolerance and autonomic dysfunction, including dizziness, palpitations, fainting, nausea on standing or sitting upright from a reclining position
  • temperature hypersensitivity resulting in profuse sweating, chills, hot flushes, or feeling very cold
  • neuromuscular symptoms, including twitching and myoclonic jerks
  • flu-like symptoms, including sore throat, tender glands, nausea, chills or muscle aches
  • intolerance to alcohol, or to certain foods and chemicals
  • heightened sensory sensitivities, including to light, sound, touch, taste and smell
  • pain, including pain on touch, myalgia, headaches, eye pain, abdominal pain or joint pain without acute redness, swelling or effusion.

Primary healthcare professionals should consider seeking advice from an appropriate specialist if there is uncertainty about interpreting signs and symptoms and whether an early referral is needed. For children and young people, consider seeking advice from a paediatrician

Notes:

  • orthostatic intolerance
    • a clinical condition in which symptoms such as light-headedness, near-fainting or fainting, impaired concentration, headaches, dimming or blurring of vision, forceful beating of the heart, palpitations, tremulousness and chest pain occur or worsen on standing up and are improved (although not necessarily resolved) by sitting or lying down. Orthostatic intolerance may include postural orthostatic tachycardia syndrome (POTS), which is a significant rise in pulse rate when moving from lying to standing, and postural hypotension, which is a significant fall in blood pressure when moving from lying to standing. People with severe orthostatic intolerance may find they are unable to sit up for any length of time

*** ME/CFS specialist team

  • specialist teams consist of a range of healthcare professionals with training and experience in assessing, diagnosing, treating and managing ME/CFS. They commonly have medically trained clinicians from a variety of specialisms (including rheumatology, rehabilitation medicine, endocrinology, infectious diseases, neurology, immunology, general practice and paediatrics) as well as access to other healthcare professionals specialising in ME/CFS. These may include physiotherapists, exercise physiologists, occupational therapists, dietitians, and clinical or counselling psychologists.
  • children and young people are likely to be cared for under local or regional paediatric teams that have experience of working with children and young people with ME/CFS in collaboration with ME/CFS specialist centres

Reference:


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