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Estudio de la pausa espiratoria en pacientes con enfermedades obstructivas en proceso de desconexión de la ventilación mecánica

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Correa, L.S.
Giraldo Giraldo, BeatrizMés informacióMés informacióMés informació
Correa, Raul
Arini, Pedro
Laciar, Eric
Document typeConference report
Defense date2014
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
In this work, the flow signal Expiratory Pause (EP) temporal analysis is used in 18 patients with obstructive lung diseases going through spontaneous breathing trial at weaning process. The main objective was to identify the patients who were successfully disconnected (success group: 9 patients), and those who were not (failure and reintubated group: 9 patients). A variable selection stage was done by mean group comparison and step wise variable inclusion, leading to a 3 parameters set: EP time median; cycle time mean; and median absolute deviation of the EP maxima local number. Next, this set was used in a classifier based on linear discriminant analysis, which results in 17 patients (94.4%) correctly classified, with 88.9% of specificity (Sp) and 100% of sensitivity (Se). Finally, applying the leave-one-out cross validation method, results were 88.9% of correctly classified patients (Sp=77.8% and Se=100%). In conclusion, the proposed parameters showed a good performance and could be used to help therapists to wean patients with obstructive diseases.
CitationCorrea, L. [et al.]. Estudio de la pausa espiratoria en pacientes con enfermedades obstructivas en proceso de desconexión de la ventilación mecánica. A: VI Latin American Conference in Biomedical Engineering. "VI Latin American Conference in Biomedical Engineering". Paraná, Entre Rios: 2014, p. 705-708. 
URIhttp://hdl.handle.net/2117/27550
ISBN978-950-698-343-7
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  • Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial - Ponències/Comunicacions de congressos [1.438]
  • BIOSPIN - Biomedical Signal Processing and Interpretation - Ponències/Comunicacions de congressos [70]
  • IBEC - Institute for Bioengineering of Catalonia - Ponències/Comunicacions de congressos [75]
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