Key result
A 16-week Individualised Activity Program significantly decreased fatigue scores and increased Mfn1 and Mfn2 levels (p=0.002 and p=0.00005) in patients with chronic fatigue syndrome.
Why the study?
The therapeutic effects of structured activity programmes have recently been questioned, motivating evaluation of an Individualised Activity Program on cardiovascular, mitochondrial, and fatigue parameters in chronic fatigue syndrome.
Does an Individualised Activity Program improve fatigue, cardiopulmonary, mitochondrial, and autonomic nervous system function in patients with Chronic Fatigue Syndrome?
Cohort (n=34)
Does an Individualised Activity Program improve fatigue, cardiopulmonary, mitochondrial, and autonomic nervous system function in patients with Chronic Fatigue Syndrome?
p-value: p=0.002 and 0.00005
A 16-week individualized activity program improved fatigue, functional performance, and mitochondrial markers in CFS patients, though tolerability was poor in over half the cohort.
Supports mitochondrial involvement in CFS fatigue; hypothesis-generating and should not yet change practice.
Background: The therapeutic effects of exercise from structured activity programmes have recently been questioned; as a result, this study examines the impact of an Individualised Activity Program (IAP) on the relationship with cardiovascular, mitochondrial and fatigue parameters. Methods: Chronic fatigue syndrome (CFS) patients were assessed using Chalder Fatigue Questionnaire (CFQ), Fatigue Severity Score (FSS) and the Fatigue Impact Scale (FIS). VO2peak, VO2submax and heart rate (HR) were assessed using cardiopulmonary exercise testing. Mfn1 and Mfn2 levels in plasma were assessed. A Task Force Monitor was used to assess ANS functioning in supine rest and in response to the Head-Up Tilt Test (HUTT). Results: Thirty-four patients completed 16 weeks of the IAP. The CFQ, FSS and FIS scores decreased significantly along with a significant increase in Mfn1 and Mfn2 levels (p = 0.002 and p = 0.00005, respectively). The relationships between VO2 peak and Mfn1 increase in response to IAP (p = 0.03) and between VO2 at anaerobic threshold and ANS response to the HUTT (p = 0.03) were noted. Conclusions: It is concluded that IAP reduces fatigue and improves functional performance along with changes in autonomic and mitochondrial function. However, caution must be applied as exercise was not well tolerated by 51% of patients.
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Kujawski et al. (2021) conducted a cohort in Chronic fatigue syndrome (CFS) (n=34). Individualised Activity Program (IAP) was evaluated on Fatigue scores (CFQ, FSS, FIS) and Mfn1 and Mfn2 levels (p=0.002 and 0.00005). A 16-week Individualised Activity Program significantly decreased fatigue scores and increased Mfn1 and Mfn2 levels (p=0.002 and p=0.00005) in patients with chronic fatigue syndrome.
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