The impact of energy modulation on physical functioning and fatigue severity among patients with ME/CFS.
prospective_cohort · Level II
Where this comes from
- Record sourced from PubMed, PMID 19356884.
- Also identified by DOI 10.1016/j.pec.2009.02.015 and PMC identifier PMC2147058.
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Abstract
OBJECTIVE: The energy envelope postulates that patients with Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS) will improve functioning when maintaining expended energy levels at the same level as available energy level. METHODS: Estimated weekly Energy Quotients were established by dividing expended energy level by perceived energy level and multiplying by 100. Two groups of patients were identified following participation in a non-pharmacologic intervention trial. Some were able to keep expended energy close to available energy and others were not successful at this task. RESULTS: Those who were able to stay within their energy envelope had significant improvements in physical functioning and fatigue severity. CONCLUSION: Findings suggest that helping patients with ME/CFS maintain appropriate energy expenditures in coordination with available energy reserves can help improve functioning over time. PRACTICE IMPLICATIONS: Health care professionals that treat patients with ME/CFS might incorporate strategies that help patients self-monitor and self-regulate energy expenditures.