Evidence map›Paper›PMID 33354121›Full record

ArticleNoro psikiyatri arsivi2020

Relationship between Apnea-Hypopnea Index and Oxygen Desaturation in REM-Sleep Period and Morning Headache in Patients with Obstructive Sleep Apnea Syndrome.

Güray KoÇ, Kübra Mehel Metİn, Bülent Devrim AkÇay, Ömer KaradaŞ, Refah Sayin, Sinan Yetkİn

Open access · greenAbstract read
In one paragraph

Article in Noro psikiyatri arsivi, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.1field-weighted citation impact, top 46% 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

5 citing papers in PubMed, 5 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. 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

6 authors at 2 institutions in 1 country.

Güray KoÇDepartment of Neurology, Gülhane Training and Research Hospital, Ankara, Turkey.
Kübra Mehel MetİnDepartment of Neurology, Gülhane Training and Research Hospital, Ankara, Turkey.
Bülent Devrim AkÇayDepartment of Psychiatry, Gülhane Training and Research Hospital, Ankara, Turkey.
Ömer KaradaŞDepartment of Neurology, Gülhane Training and Research Hospital, Ankara, Turkey.
Refah SayinDepartment of Neurology, Ufuk University Faculty of Medicine, Ankara, Turkey.
Sinan YetkİnDepartment of Psychiatry, Gülhane Training and Research Hospital, Ankara, Turkey.
Gülhane Askerî Tıp Akademisi · TRUfuk University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionIn patients with morning headache, REM sleep period decreases though little is known about its physiopathology. We evaluate the polysomnographic records of obstructive sleep apnea syndrome (OSAS) patients with the hypothesis that oxygen desaturations may be a better determinant in patients with morning headache, especially those in REM sleep periods.

methodsPatient group (group 1) with a total of 361 patients with OSAS and the controls (group 2) with 107 healthy individuals were evaluated. The presence of morning headache was compared between the groups, and sleep parameters were correlated with morning headache.

resultsIn group 1, patients with OSAS and morning headache, apnea-hypopnea index in the REM sleep period (26.7/hour, min-max: 0-108.4/hour) was higher than those in patients without morning headache (17.8/hour, min-max: 0-107.8/hour). The minimum oxygen saturation in REM sleep period and total sleep time (TST) was lower in patients with morning headache (REM sleep period: 82%, min-max: 50-94% ; TST: 79%, min-max: 50-97%) in compared to patients without morning headache (REM sleep period: 84%, min-max: 50-93% ; TST: 81%, min-max: 50-90%).

conclusionHere we demonstrated that higher apnea-hypopnea index and lower oxygen saturation in REM sleep period were associated with morning headache in patients with obstructive sleep apnea syndrome.

Indexed as

apnea-hypopnea indexmorning headacheObstructive sleep apnea syndromeoxygen saturationREM sleep period

Identifiers

PMID33354121
PMCPMC7735150
OpenAlexW2900246299

What OpenQuestion holds

Textmetadata
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.