Evidence map›Paper›PMID 30690676›Full record

ArticleSleep & breathing = Schlaf & Atmung2019

A novel intermittent negative air pressure device ameliorates obstructive sleep apnea syndrome in adults.

Tzu-Chun Hung, Tien-Jen Liu, Wen-Yeh Hsieh, Bo-Nien Chen, Wen-Ko Su, Kuang-Hui Sun, Christian Guilleminault

Abstract read
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In one paragraph

Article in Sleep & breathing = Schlaf & Atmung, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

3 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Observational
  3. Article
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

7 authors.

Tzu-Chun Hung *Department of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University, Taipei, Taiwan.
Tien-Jen Liu *Department of Otolaryngology Head & Neck Surgery, MacKay Memorial Hospital, Taipei Branch, Taipei, Taiwan.
Wen-Yeh HsiehDivision of Chest Medicine, MacKay Memorial Hospital, Hsinchu Branch, Hsinchu, Taiwan.
Bo-Nien ChenDepartment of Otolaryngology Head & Neck Surgery, MacKay Memorial Hospital, Taipei Branch, Taipei, Taiwan.
Wen-Ko SuDepartment of Radiology, MacKay Memorial Hospital, Hsinchu Branch, Hsinchu, Taiwan.
Kuang-Hui SunDepartment of Biotechnology and Laboratory Science in Medicine, National Yang-Ming University, Taipei, Taiwan. khsun@ym.edu.tw.
Christian GuilleminaultDivision of Sleep Medicine, Stanford University, Redwood City, CA, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposePatients with obstructive sleep apnea syndrome (OSAS) have difficulties in compliance with continuous positive airway pressure (CPAP) and the treatment outcome is heterogeneous. We proposed a proof-of-concept study of a novel intermittent negative air pressure (iNAP®) device for physicians to apply on patients who have failed or refused to use CPAP.

methodsThe iNAP® device retains the tongue and the soft palate in a forward position to decrease airway obstruction. A full nightly usage with the device was evaluated with polysomnography. Subgrouping by baseline apnea-hypopnea index (AHI) and body mass index (BMI) with different treatment response criteria was applied to characterize the responder group of this novel device.

resultsThirty-five patients were enrolled: age 41.9 ± 12.2 years (mean ± standard deviation), BMI 26.6 ± 4.3 kg/m

conclusionsIn a proof-of-concept study, the device attained response to treatment as defined, in more than half of the moderate and non-obese OSAS patients, with minimal side effects.

Indexed as

Patient ComplianceAdultContinuous Positive Airway PressureFemaleHumansMaleMiddle AgedPolysomnographySleep Apnea, ObstructiveTreatment OutcomeVentilators, Negative-PressureApnea–hypopnea indexIntermittent negative air pressureIntraoral deviceObstructive sleep apnea syndromeOral pressure therapySleep-disordered breathing

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Registered trials

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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.