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Analog circuit for real-time computation of respiratory mechanical impedance in sleep studies
Farré Ventura, Ramon; Rotger i Estapé, Maria del Mar; Montserrat Canal, José Ma.; Navajas Navarro, Daniel
Universitat de Barcelona
The aim of this work was to develop a low-cost circuit for real-time analog computation of the respiratory mechanical impedance in sleep studies. The practical performance of the circuit was tested in six patients with obstructive sleep apnea. The impedance signal provided by the analog circuit was compared with the impedance calculated simultaneously with a conventional computerized system. We concluded that the low-cost analog circuit developed could be a useful tool for facilitating the real-time assessment of airway obstruction in routine sleep studies.
2010-05-04
Enginyeria biomèdica
Monitoratge de pacients
Respiració artificial
Analogue circuits
Biomedical electronics
Biomedical measurement
Patient monitoring
Pneumodynamics
(c) IEEE, 1997
Article
IEEE
         

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