The feasibility of sleep assessment by actigraph in patients with tetraplegia

Background: Sleep disturbances are frequent in patients with high spinal cord lesions, and are difficult to diagnose by means of polysomnography (PSG). Design: Retrospective cohort study. Objective: Examine the feasibility of sleep assessment by actigraph in patients with tetraplegia. Setting: A reh...

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Bibliographic Details
Published in:Spinal cord 2007-12, Vol.45 (12), p.765-770
Main Authors: Spivak, E, Oksenberg, A, Catz, A
Format: Article
Language:English
Subjects:
Adult
Anatomy
Biological and medical sciences
Biomedical and Life Sciences
Biomedicine
Cerebrospinal fluid. Meninges. Spinal cord
Cohort Studies
Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes
Female
Head Movements - physiology
Human Physiology
Humans
Male
Medical sciences
Motor Activity - physiology
Multiple sclerosis and variants. Guillain barré syndrome and other inflammatory polyneuropathies. Leukoencephalitis
Nervous system (semeiology, syndromes)
Neurochemistry
Neurology
Neuropsychology
Neurosciences
original-article
Polysomnography
Quadriplegia - physiopathology
Reference Values
Retrospective Studies
Sleep - physiology
Sleep Wake Disorders - complications
Sleep Wake Disorders - physiopathology
Surveys and Questionnaires
Wrist - physiology
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Summary:Background: Sleep disturbances are frequent in patients with high spinal cord lesions, and are difficult to diagnose by means of polysomnography (PSG). Design: Retrospective cohort study. Objective: Examine the feasibility of sleep assessment by actigraph in patients with tetraplegia. Setting: A rehabilitation center in Israel. Subjects: Twenty-one patients with tetraplegia and 20 healthy persons. Interventions: Sleep assessment by actigraphs attached to the head and the wrist. Main outcome measures: The actigraphic movement index (MI), total sleep time (TST), sleep efficiency (SE), wake after sleep onset (WASO), sleep latency (SL), and number of awakenings (NOA). Results: In the control group actigraphy showed that during sleep the hand moves more than the head but that the movements were highly correlated. In patients with tetraplegia below C 5 –C 7 the hand also moved more than the head, but in patients with tetraplegia below C 4 , the head moved more ( P
ISSN:1362-4393
1476-5624
DOI:10.1038/sj.sc.3102040