Document Detail

Spectral analysis of the RR series and the respiratory flow signal on patients in weaning process.
MedLine Citation:
PMID:  21096166     Owner:  NLM     Status:  MEDLINE    
A considerable number of patients in weaning process have problems to keep spontaneous breathing during the trial and after it. This study proposes to extract characteristic parameters of the RR series and respiratory flow signal according to the patients' condition in weaning test. Three groups of patients have been considered: 93 patients with successful trials (group S), 40 patients that failed to maintain spontaneous breathing (group F), and 21 patients who had successful weaning trials, but that had to be reintubated before 48 hours (group R). The characterization was performed using spectral analysis of the signals, through the power spectral density, cross power spectral density and Coherence method. The parameters were extracted on the three frequency bands (VLF, LF and HF), and the principal statistical differences between groups were obtained in bands of VLF and HF. The results show an accuracy of 76.9% in the classification of the groups S and F.
Andrés Arcentales; Beatriz F Giraldo; Pere Caminal; Iván Diaz; Salvador Benito
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference     Volume:  2010     ISSN:  1557-170X     ISO Abbreviation:  Conf Proc IEEE Eng Med Biol Soc     Publication Date:  2010  
Date Detail:
Created Date:  2010-11-24     Completed Date:  2011-03-30     Revised Date:  2014-08-21    
Medline Journal Info:
Nlm Unique ID:  101243413     Medline TA:  Conf Proc IEEE Eng Med Biol Soc     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2485-8     Citation Subset:  IM    
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MeSH Terms
Electrocardiography / methods
Linear Models
Models, Statistical
Reproducibility of Results
Respiration, Artificial
Respiratory Insufficiency / therapy*
Respiratory Physiological Phenomena
Respiratory Rate
Signal Processing, Computer-Assisted
Ventilator Weaning / instrumentation,  methods*
Work of Breathing

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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