Evidence map›Paper›PMID 34409545›Full record

ArticleSleep & breathing = Schlaf & Atmung2022

Sleep apnea and respiratory anomaly detection from a wearable band and oxygen saturation.

Wolfgang Ganglberger, Abigail A Bucklin, Ryan A Tesh, Madalena Da Silva Cardoso, Haoqi Sun, Michael J Leone, Luis Paixao, Ezhil Panneerselvam, Elissa M Ye, B Taylor Thompson and 4 more

Open access · greenAbstract read
In one paragraph

Article in Sleep & breathing = Schlaf & Atmung, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 3 pooled it
0.4field-weighted citation impact, top 43% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 3 syntheses or guidelines pooled it, 3 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Article
  5. From classic to cutting-edge: technological approaches to respiratory physiological signals in assessing sleep-disordered breathing.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2026
    Review
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  13. Event-Level Identification of Sleep Apnea Using FMCW Radar.Bioengineering (Basel, Switzerland) · 2025
    Article
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  15. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors at 5 institutions in 2 countries.

Wolfgang Ganglberger *Department of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Abigail A Bucklin *Department of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Ryan A TeshDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Madalena Da Silva CardosoDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Haoqi SunDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Michael J LeoneDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Luis PaixaoDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Ezhil PanneerselvamDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
Elissa M YeDepartment of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA.
B Taylor ThompsonDivision of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, MA, USA.
Oluwaseun AkejuDepartment of Anesthesiology, Critical Care, and Pain Medicine, Massachusetts General Hospital, Boston, MA, USA.
David Kuller *MyAir Inc., Boston, MA, USA.
Robert J Thomas *Division of Pulmonary, Critical Care & Sleep, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA.
M Brandon Westover *Department of Neurology, Massachusetts General Hospital, 55 Fruit Street, Boston, MA, 02114, USA. mwestover@mgh.harvard.edu.ORCID 0000-0003-4803-312X
Massachusetts General Hospital · USBeth Israel Deaconess Medical Center · USHarvard University Press · USUniversity of Zurich · CHWashington University in St. Louis · US

Funding

Integrative Motor Activity Biomarker for the Risk of Alzheimer's RiskRF1AG064312 · NIA · BRIGHAM AND WOMEN'S HOSPITAL · PI HU, KUN · 2019 to 2019
$3.6M
Multimodal Network Connectivity Architecture (MOCA) of the Brain and its Role in the Recovery of Consciousness in Comatose Cardiac Arrest PatientsR01NS102574 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI GREER, DAVID MATTHEW, WU, ONA · 2018 to 2022
$3.4M
Investigation of Sleep in the Intensive Care Unit (ICU-SLEEP)R01NS102190 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI WESTOVER, MICHAEL BRANDON · 2018 to 2022
$3.2M
Big Data and Deep Learning for the Interictal-Ictal-Injury ContiuumR01NS107291 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI WESTOVER, MICHAEL BRANDON · 2018 to 2022
$2.8M
Establishing a Brain Health Index from the Sleep ElectroencephalogramRF1NS120947 · NINDS · MASSACHUSETTS GENERAL HOSPITAL · PI CASH, SYDNEY S, THOMAS, ROBERT JOSEPH · 2021 to 2021
$2.4M
NIA NIH HHS RF1 AG064312NIH HHS 1R01NS102190NIH HHS 1R01NS102574NIH HHS 1R01NS107291NIH HHS 1RF1AG064312NINDS NIH HHS R01 NS102190NINDS NIH HHS R01 NS102574NINDS NIH HHS R01 NS107291NINDS NIH HHS RF1 NS120947
6 · The paper itself

Abstract

objectiveSleep-related respiratory abnormalities are typically detected using polysomnography. There is a need in general medicine and critical care for a more convenient method to detect sleep apnea automatically from a simple, easy-to-wear device. The objective was to detect abnormal respiration and estimate the Apnea-Hypopnea Index (AHI) automatically with a wearable respiratory device with and without SpO

designSimultaneously recorded polysomnography (PSG) and wearable respiratory effort data were used to train and evaluate models in a cross-validation fashion. Time domain and complexity features were extracted, important features were identified, and a random forest model was employed to detect events and predict AHI. Four models were trained: one each using the respiratory features only, a feature from the SpO

resultsEvent-based classification resulted in areas under the receiver operating characteristic curves of 0.94, 0.86, and 0.82, and areas under the precision-recall curves of 0.48, 0.32, and 0.51 for the models using respiration and SpO

conclusionsA wearable respiratory effort signal with or without SpO

Indexed as

Sleep Apnea SyndromesWearable Electronic DevicesHumansOxygenOxygen SaturationPolysomnographyRespiratory RateOxygenApneaMachine learningRespiration disordersWearable

Identifiers

PMID34409545
PMCPMC8854446
OpenAlexW3134764527

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.