Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation
<p align="left"><span style="font-family: Verdana; font-size: small;">Automatically averaged photoplethysmographic (PPG) signals were fit to a 3-element windkessel model using a Gauss-Newton optimization algorithm. Data corresponded to 78 healthy subjects (ages from 8...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
ECIMED
2014-02-01
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| Series: | Revista Cubana de Informática Médica |
| Online Access: | http://www.revinformatica.sld.cu/index.php/rcim/article/view/22 |
| _version_ | 1819078700172312576 |
|---|---|
| author | Jorge Luis Hernández Cáceres |
| author_facet | Jorge Luis Hernández Cáceres |
| author_sort | Jorge Luis Hernández Cáceres |
| collection | DOAJ |
| description | <p align="left"><span style="font-family: Verdana; font-size: small;">Automatically averaged photoplethysmographic (PPG) signals were fit to a 3-element windkessel model using a Gauss-Newton optimization algorithm. Data corresponded to 78 healthy subjects (ages from 8 to 87 years). Unlike other reports, two phase velocities are also estimated from the model. Gender differences were found, particularly respect to individual parameters correlation with age. When a nonlinear model was fit to the two first principal components, a high correlation with age was found for both females (r=0.69) and male subjects (r=0.77). Our results further support the idea that the PPG signal is a valuable source of information about the cardiovascular system, comparable to the much more expensive continuous pressure signal. </span></p><p align="left"><span style="font-family: Verdana; font-size: small;"><strong>Key words:</strong> photoplethysmographic signal, windkessel model, cardiovascular age, mathematical model.</span></p><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves /> <w:TrackFormatting /> <w:HyphenationZone>21</w:HyphenationZone> <w:PunctuationKerning /> <w:ValidateAgainstSchemas /> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:DoNotPromoteQF /> <w:LidThemeOther>ES</w:LidThemeOther> <w:LidThemeAsian>X-NONE</w:LidThemeAsian> <w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript> <w:Compatibility> <w:BreakWrappedTables /> 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| first_indexed | 2024-12-21T19:17:15Z |
| format | Article |
| id | doaj.art-1cdae224228d4a918fbabb5cc8e96c4d |
| institution | Directory Open Access Journal |
| issn | 1684-1859 |
| language | English |
| last_indexed | 2024-12-21T19:17:15Z |
| publishDate | 2014-02-01 |
| publisher | ECIMED |
| record_format | Article |
| series | Revista Cubana de Informática Médica |
| spelling | doaj.art-1cdae224228d4a918fbabb5cc8e96c4d2022-12-21T18:53:02ZengECIMEDRevista Cubana de Informática Médica1684-18592014-02-016114Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlationJorge Luis Hernández Cáceres0Center for Cybernetics Applications to Medicine (CECAM), Havana Medical Sciences University.<p align="left"><span style="font-family: Verdana; font-size: small;">Automatically averaged photoplethysmographic (PPG) signals were fit to a 3-element windkessel model using a Gauss-Newton optimization algorithm. Data corresponded to 78 healthy subjects (ages from 8 to 87 years). Unlike other reports, two phase velocities are also estimated from the model. Gender differences were found, particularly respect to individual parameters correlation with age. When a nonlinear model was fit to the two first principal components, a high correlation with age was found for both females (r=0.69) and male subjects (r=0.77). Our results further support the idea that the PPG signal is a valuable source of information about the cardiovascular system, comparable to the much more expensive continuous pressure signal. </span></p><p align="left"><span style="font-family: Verdana; font-size: small;"><strong>Key words:</strong> photoplethysmographic signal, windkessel model, cardiovascular age, mathematical model.</span></p><!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves /> <w:TrackFormatting /> <w:HyphenationZone>21</w:HyphenationZone> <w:PunctuationKerning /> <w:ValidateAgainstSchemas /> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:DoNotPromoteQF /> <w:LidThemeOther>ES</w:LidThemeOther> <w:LidThemeAsian>X-NONE</w:LidThemeAsian> <w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript> <w:Compatibility> <w:BreakWrappedTables /> 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UnhideWhenUhttp://www.revinformatica.sld.cu/index.php/rcim/article/view/22 |
| spellingShingle | Jorge Luis Hernández Cáceres Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation Revista Cubana de Informática Médica |
| title | Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation |
| title_full | Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation |
| title_fullStr | Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation |
| title_full_unstemmed | Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation |
| title_short | Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation |
| title_sort | applying the 3 element windkessel model to photoplethysmographic signals gender differences and age correlation |
| url | http://www.revinformatica.sld.cu/index.php/rcim/article/view/22 |
| work_keys_str_mv | AT jorgeluishernandezcaceres applyingthe3elementwindkesselmodeltophotoplethysmographicsignalsgenderdifferencesandagecorrelation |