Evidence map›Paper›PMID 25979098›Full record

ArticleJournal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine2015

Bispectral Index in Evaluating Effects of Sedation Depth on Drug-Induced Sleep Endoscopy.

Yu-Lun Lo, Yung-Lun Ni, Tsai-Yu Wang, Ting-Yu Lin, Hsueh-Yu Li, David P White, Jr-Rung Lin, Han-Pin Kuo

2 registry-linked trialsOpen access · bronzeAbstract read
In one paragraph

Article in Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 31 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 1 pooled it
3.8field-weighted citation impact, top 6% 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.

NCT01100554 naunknown statusnot on this map

Upper Airway Collapsibility Evaluation in Different Sedative Levels by Sleep Endoscopy

TypeinterventionalSponsorChang Gung Memorial HospitalRan2009Enrolled120ConditionsBronchoscopy, Obstructive Sleep Apnea, Conscious SedationArmsSleep endoscopy
NCT03224936 completednot on this mapstarted 2017, after this paper: background citation

Propofolsleep - A Observational Study on Cardiopulmonary and Pharyngeal Reactions While Drug Induced Sleep Endoscopy in Patients With Obstructive Sleep Apnea Syndrome Under PSI Monitoring

TypeobservationalSponsorCharite University, Berlin, GermanyRan2017 to 2019Enrolled20ConditionsSleep Apnea, Obstructive, Electroencephalography, Echocardiography, Blood Gas Monitoring, TranscutaneousArmsPSI
3 · Its place in the literature

Who cites it

31 citing papers in PubMed, 1 synthesis or guideline pooled it, 63 citations in OpenAlex.

  1. Drug-induced sleep endoscopy in obstructive sleep apnea: a systematic review and meta-analysis of sedative agents, monitoring methods, and administration techniques.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2026
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  10. The Repeatability of Pharyngeal Opening Pressure Under Drug-Induced Sleep Endoscopy.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2024
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  13. The effect of head of bed elevation on upper airway collapsibility during drug-induced sleep endoscopy.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2024
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  17. Sound frequency spectra of snore in relation to the site of obstruction among snorers.Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale · 2021
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 2 countries.

Yu-Lun LoDepartment of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan.
Yung-Lun NiDepartment of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan.
Tsai-Yu WangDepartment of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan.
Ting-Yu LinDepartment of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan.
Hsueh-Yu LiDepartment of Otolaryngology, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan.
David P WhiteDivision of Sleep Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA.
Jr-Rung LinClinical Informatics and Medical Statistics Research Center, Chang Gung University, School of Medicine, Taipei, Taiwan.
Han-Pin KuoDepartment of Thoracic Medicine, Chang Gung Memorial Hospital, Chang Gung University, School of Medicine, Taipei, Taiwan.
Chang Gung University · TWBrigham and Women's Hospital · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo evaluate the effect of sedation depth on drug-induced sleep endoscopy (DISE).

methodsNinety patients with obstructive sleep apnea (OSA) and 18 snorers underwent polysomnography and DISE under bispectral index (BIS)-guided propofol infusion at two different sedation levels: BIS 65-75 (light sedation) and 50-60 (deep sedation).

resultsFor the patients with OSA, the percentages of velopharynx, oropharynx, hypopharynx, and larynx obstructions under light sedation were 77.8%, 63.3%, 30%, and 33.3%, respectively. Sedation depth was associated with the severity of velopharynx and oropharynx obstruction, oropharynx obstruction pattern, tongue base obstruction, epiglottis anteroposterior prolapse and folding, and arytenoid prolapse. In comparison, OSA severity was associated with the severity of velopharynx obstruction, severity of oropharynx obstruction, and arytenoid prolapse (odds ratio (95% confidence interval); 14.3 (4.7-43.4), 11.7 (4.2-32.9), and 13.2 (2.8-62.3), respectively). A good agreement was noted between similar DISE findings at different times and different observers (kappa value 0.6 to 1, respectively). A high percentage of arytenoid prolapse (46.7% among the patients with OSA under light sedation) was noted.

conclusionsGreater sedative depth increased upper airway collapsibility under DISE assessment. DISE under BIS-guided propofol infusion, and especially a level of 65-75, offers an objective and reproducible method to evaluate upper airway collapsibility. Some findings were induced by drug sedation and need careful interpretation. Specific arytenoid prolapse patterns were noted for which further investigations are warranted. CLINICAL TRIALS REGISTRATION: http://www.clinicaltrials.gov, identifier: NCT01100554. COMMENTARY: A commentary on this article appears in this issue on page 965.

Indexed as

Deep SedationEndoscopyProcedural SedationElectrocardiographyFemaleHumansHypnotics and SedativesMaleMiddle AgedOdds RatioPharynxPolysomnographyPropofolSeverity of Illness IndexSleep Apnea, ObstructiveSnoringHypnotics and SedativesPropofolbispectral indexdrug-induced sleep endoscopylaryngeal obstructionobstructive sleep apnea

Identifiers

PMID25979098
PMCPMC4543245
OpenAlexW2399916761

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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.