| Effect of Spinal Cord Injury on Nonlinear Complexity of Skin Blood Flow Oscillations. | |
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MedLine Citation:
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PMID: 21747579 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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This study investigated the effect of spinal cord injury (SCI) on nonlinear complexity of skin blood flow oscillations (BFO). Complexity of the characteristic frequencies embedded in BFO was described by the scaling coefficient derived by detrended fluctuation analysis (DFA) and the range of scaling coefficients derived from multifractal detrended fluctuation analysis (MDFA) in specific scale intervals. 23 subjects were recruited into this study, including 11 people with SCI and 12 healthy controls. Local heating-induced maximal sacral skin blood flow was measured by laser Doppler flowmetry. The results showed that metabolic BFO (0.0095-0.02 Hz) exhibited significantly lower complexity in people with SCI as compared with healthy controls (p<0.01) during maximal vasodilation. This study demonstrated that complexity analysis of BFO can provide information of blood flow dynamics beyond traditional spectral analysis. |
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Authors:
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Yih-Kuen Jan; Fuyuan Liao; Stephanie Burns |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Lecture notes in computer science Volume: 6768 ISSN: 0302-9743 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101302926 Medline TA: Lect Notes Comput Sci Country: - |
Other Details:
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Languages: ENG Pagination: 345-355 Citation Subset: - |
Affiliation:
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University of Oklahoma Health Sciences Center, Department of Rehabilitation Sciences, Oklahoma City, Oklahoma, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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| Grant Support | |
ID/Acronym/Agency:
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R03 HD060751-02//NICHD NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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