Reference : SCREENING OF SLEEP APNEAS AND HYPOPNEAS THROUGH THE AUTOMATIC ANALYSIS OF MIDSAGITTAL JA...
Scientific congresses and symposiums : Poster
Engineering, computing & technology : Multidisciplinary, general & others
http://hdl.handle.net/2268/93424
SCREENING OF SLEEP APNEAS AND HYPOPNEAS THROUGH THE AUTOMATIC ANALYSIS OF MIDSAGITTAL JAW MOTION
English
Senny, Frédéric mailto [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Electronique, microsystèmes, mesures et instrumentation >]
Destiné, Jacques mailto [Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Electronique, microsystèmes, mesures et instrumentation >]
POIRRIER, Robert mailto [Centre Hospitalier Universitaire de Liège - CHU > > Neurologie Sart Tilman >]
7-Dec-2006
No
No
National
Belgian Day on Biomedical Engineering IEEE/EMBS Benelux Symposium
December 7-8, 2006
IEEE/EMBS
Brussels
Belgium
[en] sleep apnea ; automatic analysis ; hidden markov model
[en] This paper proposes a novel method for the scoring
of sleep apneas and hypopneas (SAHs) based on
the recording and the analysis of the midsagittal jaw
movements. Continuous wavelet transform was used
to delineate events which were likely to contain the
SAHs, while hidden markov models (HMMs)
classified events. Considering 28 recordings from
which awakenings were discarded, the method
detected SAHs with a sensitivity and a specificity of
82.2% and 78.3% respectively. Obstructive, central
and mixed respiratory events were distinguished
fairly accurately. The jaw motion is hence a reliable
marker of respiratory efforts and may suffice by itself
to score SAHs.
http://hdl.handle.net/2268/93424

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