Evidence map›Paper›PMID 29882226›Full record

ArticleThe Journal of physiology2018

Breath-holding as a means to estimate the loop gain contribution to obstructive sleep apnoea.

Ludovico Messineo, Luigi Taranto-Montemurro, Ali Azarbarzin, Melania D Oliveira Marques, Nicole Calianese, David P White, Andrew Wellman, Scott A Sands

Abstract read
In one paragraph

Article in The Journal of physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
–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

39 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
  4. Article
  5. Review
  6. The upper airway in obstructive sleep apnoea: state of the art.European respiratory review : an official journal of the European Respiratory Society · 2026
    Review
  7. Article
  8. Article
  9. Rebreathing during CPAP therapy and its implications in obstructive sleep apnea.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2025
    Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Review
  18. Review
  19. Article
  20. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors.

Ludovico MessineoDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.ORCID 0000-0002-4142-9124
Luigi Taranto-MontemurroDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.ORCID 0000-0001-7080-0335
Ali AzarbarzinDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Melania D Oliveira MarquesDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.ORCID 0000-0003-1477-5459
Nicole CalianeseDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
David P WhiteDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Andrew WellmanDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Scott A SandsDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.

Funding

Harvard Clinical and Translational Science CenterUL1TR001102 · NCATS · HARVARD MEDICAL SCHOOL · PI NADLER, LEE MARSHALL · 2013 to 2017
$106.2M
Validation of a Phenotype Model to Predict Response to Alternative OSA TreatmentsR01HL102321 · NHLBI · BRIGHAM AND WOMEN'S HOSPITAL · PI WELLMAN, DAVID ANDREW · 2011 to 2025
$7.3M
NCATS NIH HHS UL1 TR001102NHLBI NIH HHS R01 HL102321
6 · The paper itself

Abstract

key pointsA hypersensitive ventilatory control system or elevated "loop gain" during sleep is a primary phenotypic trait causing obstructive sleep apnoea (OSA). Despite the multitude of methods available to assess the anatomical contributions to OSA during wakefulness in the clinical setting (e.g. neck circumference, pharyngometry, Mallampati score), it is currently not possible to recognize elevated loop gain in patients in this context. Loop gain during sleep can now be recognized using simplified testing during wakefulness, specifically in the form of a reduced maximal breath-hold duration, or a larger ventilatory response to voluntary 20-second breath-holds. We consider that easy breath-holding manoeuvres will enable daytime recognition of a high loop gain in OSA for more personalized intervention. ABSTRACT: Increased "loop gain" of the ventilatory control system promotes obstructive sleep apnoea (OSA) in some patients and offers an avenue for more personalized treatment, yet diagnostic tools for directly measuring loop gain in the clinical setting are lacking. Here we test the hypothesis that elevated loop gain during sleep can be recognized using voluntary breath-hold manoeuvres during wakefulness. Twenty individuals (10 OSA, 10 controls) participated in a single overnight study with voluntary breath-holding manoeuvres performed during wakefulness. We assessed (1) maximal breath-hold duration, and (2) the ventilatory response to 20 s breath-holds. For comparison, gold standard loop gain values were obtained during non-rapid eye movement (non-REM) sleep using the ventilatory response to 20 s pulses of hypoxic-hypercapnic gas (6% CO

Indexed as

Breath HoldingRespirationWakefulnessAdultCase-Control StudiesContinuous Positive Airway PressureFemaleHumansHypoxiaMaleMiddle AgedRespiratory SystemSleep Apnea, Obstructivechemoreflex predictorsOSA alternative treatmentsOSA phenotyping

Identifiers

PMID29882226
PMCPMC6117550

What OpenQuestion holds

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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.