Evidence map›Paper›PMID 33846490›Full record

ArticleScientific reports2021

Blood pressure dipping during REM and non-REM sleep in patients with moderate to severe obstructive sleep apnea.

Ahmed S BaHammam, Mana Alshahrani, Salih A Aleissi, Awad H Olaish, Mohammed H Alhassoon, Afnan Shukr

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

8 citing papers in PubMed, 16 citations in OpenAlex.

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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.

Ahmed S BaHammamUniversity Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia. ashammam2@gmail.com.ORCID 0000-0002-1706-6167
Mana AlshahraniUniversity Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Salih A AleissiUniversity Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Awad H OlaishUniversity Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Mohammed H AlhassoonUniversity Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Afnan ShukrUniversity Sleep Disorders Center, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
King Saud University · SAKing Abdulaziz City for Science and Technology · SA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A limited number of papers have addressed the association between non-dipping-blood pressure (BP) obstructive sleep apnea (OSA), and no study has assessed BP-dipping during rapid eye movement (REM) and non-REM sleep in OSA patients. This study sought to noninvasively assess BP-dipping during REM and non-REM (NREM)-sleep using a beat-by-beat measurement method (pulse-transit-time (PTT)). Thirty consecutive OSA patients (men = 50%) who had not been treated for OSA before and who had > 20-min of REM-sleep were included. During sleep, BP was indirectly determined via PTT. Patients were divided into dippers and non-dippers based on the average systolic-BP during REM and NREM-sleep. The studied group had a a median age of 50 (42-58.5) years and a body mass index of 33.8 (27.6-37.5) kg/m

Indexed as

Severity of Illness IndexAdultBlood PressureFemaleHumansLogistic ModelsMaleMiddle AgedPolysomnographySleep Apnea, ObstructiveSleep, REMSleep, Slow-Wave

Identifiers

PMID33846490
PMCPMC8041780
OpenAlexW3156655009

What OpenQuestion holds

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LicenceCC BY
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.