Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation

Autores/as

  • Jorge Luis Hernández Cáceres Center for Cybernetics Applications to Medicine (CECAM), Havana Medical Sciences University.

Resumen

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.

Key words: photoplethysmographic signal, windkessel model, cardiovascular age, mathematical model.

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Publicado

2014-02-19

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1.
Hernández Cáceres JL. Applying the 3-element windkessel model to photoplethysmographic signals. Gender differences and age correlation. RCIM [Internet]. 19 de febrero de 2014 [citado 1 de junio de 2025];6(1). Disponible en: https://revinformatica.sld.cu/index.php/rcim/article/view/22

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