medicine - Search - Sleep Data - National Sleep Research Resource

Apnea-Hypopnea Index: (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 II polysomnography

ahi_a0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS 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 >= 3% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography

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

Obstructive Apnea-Hypopnea Index: (Obstructive 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 II polysomnography

ahi_o0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in SHHS variables

Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep

nsrr_ahi_hp3r_aasm15 under Harmonized/Polysomnography/Apnea-Hypopnea Indices in MSP variables

Harmonized by the NSRR team. 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.] Refer to the source for detailed definitions of respiratory events: :ahi1:

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

ahi1 under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MSP variables

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.]

Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep

nsrr_ahi_hp3r_aasm15 under Harmonized/Polysomnography/Apnea-Hypopnea Indices in CCSHS variables

ahi_a0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CCSHS variables

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

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

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

ahi_o0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CCSHS variables

Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep

nsrr_ahi_hp3r_aasm15 under Harmonized/Polysomnography/Apnea-Hypopnea Indices in MESA variables

ahi_a0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in MESA variables

Harmonizing sleep and circadian data: why is it important?

Posted by ksparks on October 3, 2022 in Guest Blogger

... the age of precision medicine. Sleep Medicine Reviews 52, doi:10.1016/j.smrv.2020.101313 (2020). ... terminologies for clinical sleep medicine research: A systematic review. ...

Nighttime Sleep Duration and Variability in Children with Obstructive Sleep Apnea Syndrome: Sociodemographic Disparities and Neurobehavioral Outcomes

Posted by szhivotovsky on August 10, 2023 in Guest Blogger

... 2 Perelman School of Medicine, University of Pennsylvania, Philadelphia, ... 5 Veterinary School of Medicine, University of Pennsylvania, Philadelphia, ... Miami Miller School of Medicine, Miami, FL ...

U-Sleep’s resilience to AASM guidelines

Posted by szhivotovsky on October 25, 2023 in Guest Blogger

... on nature npj digital medicine. Related Perslev et al. ... on nature npj digital medicine. Lab website: BSP-Lab, Meditech ... AASM guidelines. NPJ digital medicine. 2023 Mar 6;6(1):33. https://doi.org/10.1038/s41746-023-00784-0 ...

First Signals Core Seminar - August 31st

Reply by SaraMariani on August 15, 2016 on Forum

... Goldberger, MD, Professor of Medicine, HMS and Director, Margret ... Dynamics in Physiology and Medicine, BIDMC will talk on: ... “Complex Signals in Sleep Medicine Seminar: Is the Heartbeat ...

Pittsburgh Sleep Quality Index: How often taken prescribed medicine to help with sleep last month

psqi_6 under Sleep Questionnaires/Sleep Habits/Pittsburgh Sleep Quality Index (PSQI) in ANSWERS variables

Item from Pittsburgh Sleep Quality Index. Buysse et. al 1989 (PubMed ID: 2748771)External semantic reference: CDEOriginal text: The following questions relate to your usual sleep habits during the past month only. Your answers should indicate the most accurate reply for the majority of days and nights in the past month. During the past month, how often have you taken medicine to help you sleep (prescribed or over the counter)? Search for all PSQI variables within this dataset

Health Interview (Sleep Heart Health Study Visit One (SHHS1)): Doctor of Medicine (MD) prescribed nitro in last year

nitro15 under Medical History/Medications/SHHS1 in SHHS variables

Doctor of Medicine (MD) prescribed nitro in last year?

Doctor of Medicine (MD) Reported Angina (Sleep Heart Health Study Visit One (SHHS1))

angina15 under Medical History/SHHS1 in SHHS variables

Doctor of Medicine (MD) said participant had angina?

Doctor of Medicine (MD) Reported Coronary Angioplasty (Sleep Heart Health Study Visit One (SHHS1))

ca15 under Medical History/SHHS1 in SHHS variables

Doctor of Medicine (MD) said participant had coronary angioplasty?

Doctor of Medicine (MD) Reported coronary artery bypass graft (CABG) (Sleep Heart Health Study Visit One (SHHS1))

cabg15 under Medical History/SHHS1 in SHHS variables

Doctor of Medicine (MD) said participant had coronary artery bypass graft (CABG)?

Doctor of Medicine (MD) Reported Heart Failure (Sleep Heart Health Study Visit One (SHHS1))

hf15 under Medical History/SHHS1 in SHHS variables

Doctor of Medicine (MD) said participant had heart failure?

Doctor of Medicine (MD) Reported myocardial infarction (MI) (Sleep Heart Health Study Visit One (SHHS1))

mi15 under Medical History/SHHS1 in SHHS variables

Doctor of Medicine (MD) said participant had heart attack?

Doctor of Medicine (MD) Reported Other Heart Surgery (Sleep Heart Health Study Visit One (SHHS1))

othrcs15 under Medical History/SHHS1 in SHHS variables

Doctor of Medicine (MD) said participant had other heart/cardiac surgery?

Apnea-Hypopnea Index : (All apneas + hypopneas with >=50% nasal cannula [or alternative sensor] reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep

nsrr_ahi_hp3r_aasm07 under Harmonized/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Harmonized by the NSRR team. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007]Refer to the source for detailed definition for respiratory events: :ahi_a0h3a:

Apnea-Hypopnea Index : (Apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 50% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type I polysomnography

ahi_a0h3a under Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices in CHAT variables

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the American Academy of Sleep Medicine (AASM) 2007 Manual (pediatric). [Iber C et al. The AASM manual for the scoring of sleep and associated events: rules, terminology and technical specifications. Vol. 1. Westchester, IL: American Academy of Sleep Medicine, 2007] Search for all AHI variables consistent with the clinical guidelines within this dataset