Medically unexplained physical symptoms - CFS

13 important questions on Medically unexplained physical symptoms - CFS

What is chronic fatigue syndrome?

Idiopathic fatigue that is persistent and is associated with impaired functioning.

What are common diagnostic criteria for CFS?

  • Definite onset
  • Idiopathic fatigue
  • Reduction in previous activity (>50%)
  • Fatigue of at least 6 months
  • Exclusion: not due to another medical or psychiatric disorder (excluding anxiety, depression).

What are risk factors for a poor prognosis?

  • Older age
  • psychiatric co-morbidity
  • somatic illness attributions
  • Longer illness duration
  • more severe fatigue
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What is the 4P model for CFS?

Model based on basic MUPS CBT model, including:
  1. predisposing
  2. precipitating
  3. perpetuating
  4. Prognostic factors

What does the model of perpetuating factors of Vercoulen state?

  • Stress the importance of cognitions:
    • Sense of control: To what extent does the patient have the feeling that he/she can control the fatigue?
    • Attribution: psychiological, somatic or mixed
    • Focus: attention

Out of which predisposing factors, precipitating factors and perpetuating factors does the complex CBT model for CFS consists?

Includes predisposing factors (lifestyle, beliefs), precipitating factors (often combination of virus and stress), perpetuating factors (thoughts, mood, behaviour, physiology).

2 cycles of cognitive behavioural cycli of perpetuating factors. Switching between the two cycles is a reason for the perpetuating effect.

What are the important points of the complex CBT model of CFS?

  • Predisposing core beliefs are as important as precipitating (triggers) and perpetuating factors
  • Based on two interactive cognitive behavioural cycli
  • The alternation between the two cycli results in perpetuating of fatigue

Explain the vicious circle of the switching between the two cognitive behavioural cycli of CFS patients that perpetuate the fatigue

Bijv. Gedachte "I should rest to get well" --> leidt tot avoidance --> je voelt je meer uitgerust, maar stel perfectionisme is een predisposing factor dan voldoe je niet aan je eigen verwachtingen --> voelt je uitgeruster --> gedachte "I must try harder" --> proberen alles in te halen/goed te maken (overcompensatie) --> outburst of activity --> hogere achievement maar meer symptomen van vermoeidheid.

Wat zijn therapievormen die gebruikt kunnen worden op gedragsvlak bij CFS?

  • Focus op Activity scheduling
    • Avoidance of activity vermijden (prolonged rest)
    • outburst of activity vermijden

What is the difference between activity scheduling and behavioural activation?

Behavioral activation wordt gebruikt voor de behandeling van depressie, waarbij het gaat over het versterken van positive reinforcement van health behaviors.

Activity scheduling in CFS, gaat puur om het verhogen van activiteit.

How is activity scheduling implemented in treatment of patients with CFS?

  • Start with self-monitoring of baseline activity and rest (very specific what did you do?) and note fatigue level.
  • Planning of activity and rest (set LT and weekly goals). "spend 15 minutes on househol chores"

What is the difference in focus in treatment between active/passive CFS patients?

Active CFS
  • Focus on finding balance
  • underlying perfectionistics cognitions


Passive CFS
  • Focus on underlying avoidance cognitions
  • increase activity and decrease rest

Which therapies formes are most effective in the treatment of CFS patients? CBT, Graded exercise, paced exercise?

CBT and Graded Excersise (= gradueel increase of exercise and decrease of rest) most effective

CBT has an advantage for patients with co-morbid depression or anxiety.
   
*paced exercise = paced to ability of patients

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