Presenter : Yu-Hsiang Yen
Advisior : Dr. Chun-Ju Hou
Date : 2013.10.23
Establishment of Analysis System for Sleep Respiratory Activities
睡眠呼吸活動分析系統之建立
OutlineOutlineProblems and RationalePurpose and Specific AimsBackground and Literatures ReviewMaterials and MethodsPreliminary ResultsReferencesFuture Work
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Problems and RationaleSleep disorders
Taiwan Society of Sleep Medicine (2013)
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Problems and RationaleSleep Apnea
Obstructive Sleep Apnea(OSA)Central Sleep Apnea(CSA)Mixed Sleep Apnea(MSA)
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Problems and RationaleSymptom of Sleep Apnea
Snoring :Affecting 67.9% of the general population. Evaluation indexes
Apnea- hypopnea index AHI :(a). 5–15/ hr = mild, (b).15–30/ hr = moderate,(c). > 30/ hr = severe
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Problems and Rationale Physiology
HypertensionAtherosclerosis Coronary artery diseaseCognitive impairmentsSudden death during
sleep
PsychosisTiredSleepinessInattentionGrumpyDejection
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Problems and RationaleTechnology for sleep measurement
PSGActigraphyOximeter
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Source: Labsystem Source: myhealthyfeelingSource: Philips
Problems and RationaleThe global homecare respiratory market had
generated 15% compound annual growth from the year of 2009 to 2015.
112/04/198Source: 工研院 IEK (2009)
Purpose and Specific AimsTo develop analysis system for sleep
respiratory activitiesTo develop the analysis algorithm for sleep
respiratory activitiesTo establish database management system
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Background and Literatures ReviewRelative Thresholding With Under-Mattress
Pressure Sensors to Detect Central Apnea
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Daphne Townsend, Student Member, IEEE, Megan Holtzman, Student Member, IEEE, Rafik Goubran, Senior Member, IEEE, Monique Frize, Senior Member, IEEE, and Frank KnoefelIEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, VOL. 60, NO. 10, OCTOBER 2011
Background and Literatures ReviewMoving variance
Parameter selection framework
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Background and Literatures Review
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Background and Literatures ReviewValidation of Unobtrusive Pressure Sensor
Array for Central Sleep Apnea Screening
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Daphne Townsend, Student Member, IEEE, Rafik Goubran, Fellow, IEEE, Frank Knoefel, and Judith LeechIEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, VOL. 61, NO. 7, JULY 2012
Background and Literatures ReviewANTHROPOMETRIC INFORMATION FOR
STUDY PARTICIPANTS
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Background and Literatures ReviewBlock diagram of prevalidation work
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Background and Literatures Review
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Materials and MethodsSystem Architecture
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Pressure signals
Extraction ofParameters
Posture
Position
Movement
Resipiratory event
Recognition ofAbnormaibehavior
Bedridden behavior analysis
Bady Movement Databass
Recognition ofSleep Apnea
Pressure signal
Database
Sleep Apnea
Database
Materials and MethodsEvent tagging
PSG dataPressure sensing data
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Materials and MethodsSignal processing(49 channel)
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Materials and MethodsSignal proccessing(Matlab)
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Materials and MethodsTagging Resipiratory event (PSG)
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Materials and MethodsResipiratory event report
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Materials and MethodsDatabase(MSSQL)
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Database
Pressure Signal&
DateTime
Body Movement
MedicalInformation
DeviceImformation
Apnea Type
Materials and MethodsDatabase(MSSQL)
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Pressure Signal
Body Movement
MedicalInformation
DeviceImformation
Apnea Type
Preliminary ResultsBasic data of 40 subjects
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No. OSA CA Mix apnea Hypopnea Total1 6 0 0 60 662 0 0 0 56 563 113 1 1 172 2874 138 1 0 110 2495 43 6 3 179 2316 0 0 0 112 1127 18 0 0 110 1288 259 1 1 154 4159 87 1 0 30 118
10 187 0 30 146 36311 184 0 0 104 28812 102 5 6 78 19113 23 12 1 153 18914 338 0 1 74 41315 0 0 0 0 016 320 19 23 85 44717 409 0 0 30 43918 8 2 5 41 5619 38 0 0 102 14020 10 9 0 39 58
Preliminary Results
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21 172 0 0 8 18022 89 27 30 83 22923 16 0 0 196 21224 79 3 2 229 31325 33 0 0 41 7426 22 0 0 33 5527 145 17 70 223 45528 441 1 6 70 51829 179 3 4 63 24930 2 0 0 70 7231 29 6 0 25 6032 0 0 0 110 11033 8 0 0 59 6734 0 0 0 13 1335 76 4 0 45 12536 0 0 0 43 4337 69 7 2 54 13238 62 2 6 392 46239 79 1 2 98 180
Total 3784 128 193 3690 7795N=23 N=20 N=17 N=38 N=38
Preliminary ResultsRight lying Central sleep apnea(Pressure sensing
signal vs PSG)
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Future WorkEstablishment of analysis algorithm
Signal fusionFeature extraction
Database management systemCreate table
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ReferencesReferences[1]張慈映, 2009. 睡眠呼吸治療市場商機。工業技術研究院產業經濟與趨勢研究中心
[2]2013. 國人睡眠大調查。台灣睡眠醫學學會[3] R. Bhattacharjee, L. Kheirandish-Gozal, G. Pillar, and D. Gozal,
“Cardiovascular complications of obstructive sleep apnea syndrome: Evidence from children,” Prog. Cardiovasc. Dis., vol. 51, no. 5, pp. 416–433, 2009.
[4] W. Flemons andW. Tsai, “Quality of life consequences of sleep-disordered
breathing,” J. Allergy Clin. Immunol., vol. 99, no. 2, pp. S750–S756, 1997.
[5] W.W. Flemons,M.R.Littner, J.A.Rowley, P. Gay,W. M. Anderson, D.W.
Hudgel, R. D. McEvoy, and D. I. Loube, “Home diagnosis of sleep apnea:
A systematic review of the literature,” Chest, vol. 124, pp. 1543–1579,
2003.
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