Why the study?
Does mild orthostatic stress reveal sympathetic predominance in cardiovascular regulation in adolescents with chronic fatigue syndrome compared to healthy controls?
Population
60 adolescents
Comparison
15 min of 20 degrees head-up tilt vs Healthy control subjects undergoing the same tilt
Design
Case-control
Authors
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Suggests sympathetic predominance during mild orthostasis in adolescent CFS; hypothesis-generating for autonomic dysregulation, needs prospective confirmation.
Does mild orthostatic stress reveal sympathetic predominance in cardiovascular regulation in adolescents with chronic fatigue syndrome compared to healthy controls?
Adolescents with chronic fatigue syndrome exhibit sympathetic predominance of cardiovascular regulation during mild orthostatic stress compared to healthy controls.
Wyller et al. (2007) studied this question.
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