Skin Blood Flow Response Signal Using Time and Frequency Domain Features for Pressure Ulcer Evaluation Article Swipe
Saliza Ramli
,
Raja Kamil
,
Siti Anom Ahmad
,
Rozi Mahmud
,
Norhafizah Mohtarrudin
·
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.30880/ijie.2019.11.03.004
YOU?
·
· 2019
· Open Access
·
· DOI: https://doi.org/10.30880/ijie.2019.11.03.004
Pressure Ulcer (PU) is an area of the skin in which cutaneous tissue is compromised and there is progressive damage on the underlying tissue caused by blood flow obstruction due to prolonged external direct pressure. Research has shown that ischemic stress response can be evaluated using skin blood flow response (SBFR) signal features which are useful for pressure ulcer evaluation. Trends of peak reactive hyperemia (RH) were observed for three repetitive loading-unloading cycles in previous animal study to investigate tissue recovery. However, tissue recovery and tissue damage cannot be discriminated by the trends of peak RH for short recovery time. The trends of alternative time-domain SBFR features such i.e total hyperemic response as well as frequency-domain features using Fast Fourier Transform (FFT) and Short Time Fourier Transform (STFT) i.e total power spectrum are further investigated to indicate tissue recovery. The results show that total hyperaemic response outperforms peak RH at detecting insufficient tissue recovery with 72% of samples with increasing trend in the short recovery time group compared to 57% of samples for peak RH. Total hyperemic response is effective at discriminating insufficient recovery time while other investigated features are only effective at detecting sufficient recovery time.
Related Topics
Concepts
Short-time Fourier transform
Time domain
Blood flow
Fast Fourier transform
Frequency domain
Biomedical engineering
Reactive hyperemia
Response time
Blood pressure
Medicine
Fourier transform
Materials science
Cardiology
Internal medicine
Mathematics
Fourier analysis
Computer science
Mathematical analysis
Computer vision
Algorithm
Computer graphics (images)
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.30880/ijie.2019.11.03.004
- OA Status
- diamond
- References
- 28
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W2974436284
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W2974436284Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.30880/ijie.2019.11.03.004Digital Object Identifier
- Title
-
Skin Blood Flow Response Signal Using Time and Frequency Domain Features for Pressure Ulcer EvaluationWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
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2019Year of publication
- Publication date
-
2019-09-01Full publication date if available
- Authors
-
Saliza Ramli, Raja Kamil, Siti Anom Ahmad, Rozi Mahmud, Norhafizah MohtarrudinList of authors in order
- Landing page
-
https://doi.org/10.30880/ijie.2019.11.03.004Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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diamondOpen access status per OpenAlex
- OA URL
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https://doi.org/10.30880/ijie.2019.11.03.004Direct OA link when available
- Concepts
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Short-time Fourier transform, Time domain, Blood flow, Fast Fourier transform, Frequency domain, Biomedical engineering, Reactive hyperemia, Response time, Blood pressure, Medicine, Fourier transform, Materials science, Cardiology, Internal medicine, Mathematics, Fourier analysis, Computer science, Mathematical analysis, Computer vision, Algorithm, Computer graphics (images)Top concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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28Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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