Evidence map›Paper›PMID 21804665›Full record

ArticleSleep2011

Pregnant women with gestational hypertension may have a high frequency of sleep disordered breathing.

John Reid, Robert Skomro, David Cotton, Heather Ward, Femi Olatunbosun, John Gjevre, Christian Guilleminault

Abstract read
In one paragraph

Article in Sleep, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing 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

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

  1. Pooled it
  2. Trial
  3. Can gestational hypertension be modified by treating nocturnal airflow limitation?Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2013
    Trial
  4. Review
  5. Article
  6. Article
  7. Review
  8. Obstructive sleep apnea in pregnant women.International anesthesiology clinics · 2022
    Article
  9. Fetal Heart Rate Decelerations in Women with Sleep-Disordered Breathing.Reproductive sciences (Thousand Oaks, Calif.) · 2021
    Article
  10. Sleep-disordered breathing in pregnancy: a developmental origin of offspring obesity?Journal of developmental origins of health and disease · 2021
    Review
  11. Review
  12. Article
  13. Review
  14. Article
  15. Article
  16. Review
  17. Review
  18. Article
  19. Article
  20. Sleepiness and sleep-disordered breathing during pregnancy.Sleep & breathing = Schlaf & Atmung · 2016
    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.

John ReidUniversity of Saskatchewan, Saskatoon, SK, Canada. j.reid@usask.ca
Robert Skomro
David Cotton
Heather Ward
Femi Olatunbosun
John Gjevre
Christian Guilleminault

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundGestational hypertension is a common complication of pregnancy. Recent evidence suggests that women with gestational hypertension have a high rate of sleep disordered breathing (SDB). Using laboratory-based polysomnography, we evaluated for the frequency of SDB in women with gestational hypertension compared to healthy women with uncomplicated pregnancies.

methodsIn this single-center cross-sectional study, women with the diagnosis of gestational hypertension were screened in the Fetal Assessment Unit and Antepartum ward. Healthy subjects were recruited by local advertising. Subjects completed a series of questionnaires addressing sleep quality and daytime sleepiness, followed by full night polysomnography. The primary outcome was frequency of SDB (defined as a respiratory disturbance index ≥ 5) in the gestational hypertension and healthy groups.

resultsA total of 34 women with gestational hypertension and singleton pregnancies and 26 healthy women with uncomplicated singleton pregnancies consented to participate in the study. The mean ages and gestational ages, but not the body mass indices, of the 2 groups were similar. The frequencies of SDB in the more obese gestational hypertension group and the healthy group were 53% and 12%, respectively (P < 0.001).

interpretationWomen with gestational hypertension may have a significantly higher frequency of SDB than do healthy women with uncomplicated pregnancies of similar gestational age. The relative causal contributions, if any, of SDB and obesity remain to be determined.

Indexed as

AdultComorbidityCross-Sectional StudiesFemaleHumansHypertension, Pregnancy-InducedPolysomnographyPregnancyRisk FactorsSaskatchewanSleep Apnea SyndromesSurveys and Questionnairesgestational hypertensionpregnancySleep disordered breathing

Identifiers

PMID21804665
PMCPMC3138158

What OpenQuestion holds

Textmetadata
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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.