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Sleep Heart Health Study

... breathing events: obstructive apneas, central apneas, and hypopneas. Additionally, ... cannot be reliably identified. Central hypopneas and increased upper ... to identify/classify events. A Central apnea event is scored ...

03-data-analysis-tip-sheet.md

Sleep Heart Health Study

... as a predictor variable. Central Apnea Index (CAI): Several variables describe central breathing events, with different ... and requirement/non-requirement of arousals. Central events are uncommon, with ... zero values. Thus, when central events are of interest, ...

3-03-chat-data-analysis-tip-sheet.md

Childhood Adenotonsillectomy Trial

... | 1425 | Filtered: Central Apnea Index all desats ... statistics sensitive to non-normality: Central Apnea Index; PCTCO2G45, PCTCO2G50, ... effects on the result. Central Apnea Index (CAI): Several variables describe central breathing events, with different ...

6-70-mop-qs-form-scoring-notes.md

Sleep Heart Health Study

... index > 80 - Central apnea index > 40 ... - Exception to identifying central events when airflow is ... be marked as a central apnea. Thoracic or/and abdominal ...

montage-and-sampling-rate-information.md

Cleveland Family Study

... | |:---------------------:|:-----------:|:-----------:|:-------:|:------------------:|:--------------------------:|:------------------------------------:| | Left Central EEG | C3 | ... electrode | | Right Central EEG | C4 | ... | |:---------------------:|:-----------:|:-----------:|:-------:|:------------------:|:--------------------------:|:------------------------------------:| | Left Central EEG | C3 | ...

Navigating the spectral slopes of the NSRR cohorts

Posted by shaunpurcell on November 8, 2021 in Data Notes

... originally based analyses on central EEG channels using contralateral ... referencing: e.g. the left central C3 electrode referenced to ... exacerbates it.). Consequently, the central channel (C3) referenced against ...

Publications

... of the association between central sleep apnea and atrial ... K. (2020). Association between central sleep apnea and atrial ... (2019). Electrocardiogram-based detection of central sleep apnea: a full-record ...

Central Sleep Apnea

Reply by JeremyLevy on December 4, 2022 on Forum

... on the distinction between Central Sleep Apnea (CSA) and ... apneas (whether obstructive or central) are taken into account. ... into account hypopneas and central apneas. But not all hypopneas are central, there might be obstructive ...

Central Apnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography

cai0p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(Total number of central apneas associated with all desaturations) / (hours of sleep)]. Will be missing if Total Sleep Time (TST) is 0.

Central Apnea Index : (Central apneas with >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography

cai4p under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(Total number of central apneas associated with >= 4% desaturations) / (hours of sleep)]

Central Apnea Index : (Central apneas with >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

cai4pa under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

[(Total number of central apneas with >= 4% desaturation or arousal) / (hours of sleep)]

6-610-mop-overview-of-scoring.md

Sleep Heart Health Study

... for > 10 s. Central Apneas will be noted ... be noted as “obstructive”. Central events cannot be designated ... in apnea (obstructive or central, with at least a ...

CHANGELOG.md

Sleep Heart Health Study

... obstructive apneas instead of central apneas. ### April 16, ... index composed of all central and obstructive apneas with ...

montage-and-sampling-rate-information.md

Mignot Nature Communications

... - | | Left Central EEG | C3 | ... | -| | Right Central EEG | C4 | ... | -| | Z-line Central EEG | Cz | ...

montage-and-sampling-rate-information.md

Wisconsin Sleep Cohort

... | - | | Central EEG | Cz_M2 | ... - | | Left Central EEG | C3_M2 | ... - | | Left Central EEG | C3_M2 | ...

Heart Rate Variability as a Potential Biomarker of Pediatric Obstructive Sleep Apnea Resolution

Posted by michaelprerau on August 1, 2022 in Guest Blogger

... events, and then adding central apneas to the resolution ... events first, and adding central apneas later) and changes ... OSA resolution, and adding central events, OSAO+C resolution). Only ...

Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation or with arousal) / hour of sleep from type I polysomnography

cahi_ca0uhp3x3r_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events. The definition for hypopneas is consistent with the following clinical guidelines: (1) American Academy of Sleep Medicine (AASM) 2007 Manual (2012 update) (recommended). Berry RB et al. 2012 (PubMed ID:23066376), and (2) American Academy of Sleep Medicine (AASM) 2015 (recommended) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.] Search for all AHI variables consistent with the same clinical guidelines within this dataset

Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 3% desaturation and with or without arousal) / hour of sleep from type I polysomnography from type I polysomnography

cahi_ca0uhp3x3u_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 4% desaturation or with arousal) / hour of sleep from type I polysomnography

cahi_ca0uhp3x4r_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal + hypopneas with > 30% flow reduction and with > 4% desaturation and with or without arousal) / hour of sleep from type I polysomnography

cahi_ca0uhp3x4u_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (alternative) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]. Search for all AHI variables consistent with the same clinical guidelines within this dataset

Central Apnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal) / hour of sleep from type I polysomnography

cai_ca0u_f1t1 under Sleep Monitoring/Polysomnography in ABC variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography

ahi_c0h3 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Calculated - Summary metric of sleep disordered breathing events.

Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

ahi_c0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type I polysomnography

ahi_c0h4 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]. Search for all AHI variables consistent with the same clinical guidelines within this dataset

Central Apnea-Hypopnea Index : (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 4% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

ahi_c0h4a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CFS variables

Calculated - Summary metric of sleep disordered breathing events.