Portable and non-invasive system for gas exchange dynamics estimation and energy expenditure as an indicator of metabolic state.
Accurate estimation of energy expenditure and gas exchange dynamics is essential for health monitoring and performance optimization. This study addresses the limitations of traditional systems by developing a portable, non-invasive, and real-time solution that correlates physiological signals with e...
| Publicado en: | Revista Mexicana de Ingeniería Biomédica Vol. 46; no. 3; pp. 1 - 23 |
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| Autores principales: | , , , |
| Formato: | Artículo |
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Sociedad Mexicana de Ingenieria Biomedica, A.C.
Sep-Dec2025
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| Materias: | |
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=lth&AN=191001749&site=ehost-live header: @attributes: shortDbName: lth uiTerm: 191001749 longDbName: MedicLatina uiTag: AN controlInfo: bkinfo: jinfo: jid: 01889532 7L3 jtl: Revista Mexicana de Ingeniería Biomédica issn: 01889532 maglogo: N pubinfo: dt: Sep-Dec2025 vid: 46 iid: 3 pid: 20850 pub: Sociedad Mexicana de Ingenieria Biomedica, A.C. artinfo: ui: 191001749 10.17488/RMIB.46.3.1502 ppf: 1 ppct: 22 formats: fmt: @attributes: type: P size: 3.1MB tig: atl: Portable and non-invasive system for gas exchange dynamics estimation and energy expenditure as an indicator of metabolic state. aug: au: Realpe Alvarez, Gerardo Miguel Ramírez-Scarpetta, Jose Emilio Rosero-García, Esteban Lopez Alban, Carlos Alejandro affil: Universidad del Valle, Santiago de Cali - Colombia Center for Research in Health and Human Performance, ZOE H& su: Energy metabolism Caloric expenditure Patient monitoring Bluetooth technology Aerobic capacity Real-time computing Portable computers Physical fitness sug: subj: Energy metabolism Caloric expenditure Patient monitoring Bluetooth technology Aerobic capacity Real-time computing Portable computers Physical fitness keyword: dynamic modeling energy expenditure gas exchange estimation non-invasive monitoring wearable device dispositivo portátil estimación del intercambio gaseoso gasto energético modelado dinámico monitoreo no invasivo ab: Accurate estimation of energy expenditure and gas exchange dynamics is essential for health monitoring and performance optimization. This study addresses the limitations of traditional systems by developing a portable, non-invasive, and real-time solution that correlates physiological signals with energy metabolism. The proposed system estimates energy expenditure and metabolic state using oxygen and carbon dioxide flows derived from non-invasive variables such as respiratory ventilation and heart rate. It utilizes Bluetooth Low Energy (BLE) for wireless communication and includes user-friendly interfaces for smartphones and computers to facilitate data visualization and recording. Calibration is performed using a calorimeter, resulting in an average estimation error of 14.83%. The system demonstrates reliable performance under various conditions, providing real-time estimations of energy expenditure and gas exchange. Its portability and ergonomic design improve usability; however, precise calibration remains essential, and broader testing is required to validate robustness. A key advantage of the system is its ability to operate entirely offline, relying solely on BLE for data transmission, making it suitable for real-time monitoring in diverse environments. La estimación precisa del gasto energético y de la dinámica del intercambio gaseoso resulta fundamental para el monitoreo de la salud y la optimización del rendimiento deportivo. El presente estudio aborda las limitaciones de los sistemas tradicionales mediante el desarrollo de una solución portátil, no invasiva y en tiempo real, que correlaciona señales fisiológicas con el metabolismo energético. El sistema propuesto estima el gasto energético y el estado metabólico a partir de los flujos de oxígeno y dióxido de carbono, derivados de variables no invasivas como la ventilación respiratoria y la frecuencia cardíaca. Utiliza Bluetooth de baja energía (BLE) para la comunicación inalámbrica e incorpora interfaces intuitivas para teléfonos inteligentes y computadoras, facilitando la visualización y el registro de datos. La calibración se realiza mediante un calorímetro, obteniéndose un error promedio de estimación del 14,72%. El sistema demuestra un rendimiento confiable en diversas condiciones, proporcionando estimaciones precisas del gasto energético y del intercambio gaseoso en tiempo real. Su portabilidad y diseño ergonómico mejoran la usabilidad; sin embargo, se requiere una calibración precisa y una validación más amplia para confirmar su robustez. Una ventaja clave del sistema radica en su capacidad para operar completamente sin conexión a internet, utilizando únicamente BLE para la transmisión de datos, lo que lo hace ideal para el monitoreo en línea en diferentes entornos. pubtype: Academic Journal doctype: Article src: R language: English refInfo: copyright: @attributes: flag: Y custom: Copyright of Revista Mexicana de Ingeniería Biomédica is the property of Sociedad Mexicana de Ingenieria Biomedica, A.C. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. item: Revista Mexicana de Ingeniería Biomédica holder: Sociedad Mexicana de Ingenieria Biomedica, A.C. dt: @attributes: year: 2025 holdings: @attributes: islocal: N |
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