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http://hdl.handle.net/10553/41513
Título: | A portable wireless device based on oximetry for sleep apnea detection | Autores/as: | Mendonça, Fábio Mostafa, Sheikh Shanawaz Morgado-Dias, Fernando Navarro-Mesa, Juan L. Juliá-Serdá, Gabriel Ravelo-García, Antonio G. |
Clasificación UNESCO: | 3314 Tecnología médica | Palabras clave: | Sleep apnea Portable device Oxygen saturation Hypopnea Index |
Fecha de publicación: | 2018 | Publicación seriada: | Computing (Wien. Print) | Resumen: | Obstructive sleep apnea is a highly prevalent sleep related breathing disorder and polysomnography is the gold standard exam for diagnosis. Despite providing results with high accuracy this multi-parametric test is expensive, time consuming and does not fit with the new tendency in health care that is changing the focus to prevention and wellness. Home health care is seen as a possible way to address this problematic by using minimal invasive devices, providing low cost of diagnosis and higher accessibility. To address this, a portable and automated sleep apnea detector was designed and evaluated. The device uses one SpO2 sensor and the analysis is based on the connection between oxygen saturation and apnea events. The measured signals are received in a field-programmable gate array that checks for errors and implements the communication protocols of two wireless transmitters. Two solutions were implemented for processing the data: one based on a smartphone (due to availability and low cost) and another based on a personal computer (for a higher computation capability). The algorithms were implemented in Java, for the smartphone, and in Python, for the computer. Both implementations have a graphical user interface to simplify the device operation. The algorithms were tested using a database consisting of 70 patients with the SpO2 signal collected in a Hospital. The algorithm performance achieved an average accuracy, sensitivity and specificity of 87.5, 79.5 and 90.8% respectively. | URI: | http://hdl.handle.net/10553/41513 | ISSN: | 0010-485X | DOI: | 10.1007/s00607-018-0624-7 | Fuente: | Computing[ISSN 0010-485X],v. 100 (11), p. 1203-1219, (Noviembre 2018) |
Colección: | Artículos |
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