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Chronisch Vermoeidheidssyndroom: diagnose, behandeling en ...

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KCE Reports 88 Chronic Fatigue Syndrome 53<br />

GRADED EXERCISE THERAPY (GET)<br />

Graded exercise therapy should be delivered by a suitably trained GET therapist with<br />

experi<strong>en</strong>ce in CFS, under appropriate clinical supervision and preferably one-to-one.<br />

GET should include the establishm<strong>en</strong>t of a baseline followed by planned increases in<br />

duration of low int<strong>en</strong>sity physical activity, followed by gradual increases in int<strong>en</strong>sity<br />

leading to aerobic exercise (which increases the pulse rate). It should be based on<br />

curr<strong>en</strong>t level of activities and daily routines and on the pati<strong>en</strong>t’s own goals. Both pati<strong>en</strong>t<br />

and healthcare professional should recognise that it may take weeks to years to achieve<br />

these goals.<br />

Although graded exercise therapy is recomm<strong>en</strong>ded for CFS pati<strong>en</strong>ts, exercise can<br />

exacerbate symptoms in chronic fatigue syndrome and provoke post-exertional malaise<br />

if too-vigorous exercise/activity is prescribed. Designing and implem<strong>en</strong>ting an exercise<br />

programme for chronic fatigue syndrome have to take into account this adverse effect<br />

in order to deliver a programme with no detrim<strong>en</strong>tal effects on the pathophysiology of<br />

the condition, in particular to guarantee treatm<strong>en</strong>t compliance. 137<br />

Guidelines to implem<strong>en</strong>t such a graded exercise therapy programme are proposed both<br />

by Wallman et al (2005) 138 and by Nijs et al. (2008). 137<br />

EXAMPLE OF STRUCTURED PROTOCOL FOR EXERCISE SESSIONS<br />

Wallman et al. (2005) 138 have described the graded exercise program used in their<br />

randomised controlled trial. 82 According to the authors, this program has be<strong>en</strong><br />

successfully implem<strong>en</strong>ted in a clinical practice. It includes the concept of pacing and is<br />

aimed at non-bed-bound, sed<strong>en</strong>tary pati<strong>en</strong>ts with CFS, as well as those already<br />

undertaking minimal aerobic exercise (i.e., no more than three sessions per week of 20<br />

minutes’ duration). The protocol described here was never associated with any major<br />

relapse, helped to prev<strong>en</strong>t CFS pati<strong>en</strong>ts overdoing physical activity and can halt further<br />

deconditioning. The exercise sessions are in addition to normal activities, and some<br />

initial aches and pains are usual wh<strong>en</strong> beginning exercise for the first time.<br />

Pati<strong>en</strong>ts have:<br />

• to follow their heart rate during exercise sessions (checked with a<br />

heart rate monitor or by assessing pulse rate)<br />

• to rate their perceived exertion (RPE - Borg scale in Table 4) on<br />

completion of each exercise session in order to average values each<br />

fortnight. The averaged RPE value forms the basis for determining the<br />

duration of future exercise sessions<br />

• to monitor progress over time and link poor performance with a<br />

possible emotional or physiological ev<strong>en</strong>t (exercise diary).<br />

Table 4. Borg’s rating of Perceived Exertion Scale<br />

Perceived exertion Rating<br />

6<br />

Very, very light 7<br />

8<br />

Very light 9<br />

10<br />

Fairly light 11<br />

12<br />

Somewhat hard 13<br />

14<br />

Hard 15<br />

16<br />

Very hard 17<br />

18<br />

Very, very hard 19<br />

20<br />

Source. Borg (1982) 139

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