Evidence map›Paper›PMID 30424793›Full record

Trial reportCritical care (London, England)2018

Bright environmental light improves the sleepiness of nightshift ICU nurses.

John E Griepentrog, Hanna E Labiner, Scott R Gunn, Matthew R Rosengart

Registry-linked trialOpen access · goldAbstract readRandomized Controlled Trial
PubMed Full text at PMC Publisher
In one paragraph

Trial report in Critical care (London, England), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03331822 (The Effects of Bright Light Exposure on ICU Nurses), which is not on this map. Cited by 19 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 4 pooled it
4.4field-weighted citation impact, top 5% 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.

NCT03331822 nacompletednot on this map

The Effects of Bright Light Exposure on ICU Nurses

TypeinterventionalSponsorUniversity of PittsburghRan2017 to 2017Enrolled31ConditionsCircadian Rhythm Disorders, SleepArmsBright Light
3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 4 syntheses or guidelines pooled it, 58 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

4 authors at 1 institution in 1 country.

John E GriepentrogDepartment of Surgery, University of Pittsburgh, 200 Lothrop Street - Suite F1266.1, Pittsburgh, PA, 15213, USA.
Hanna E LabinerDepartment of Surgery, University of Pittsburgh, 200 Lothrop Street - Suite F1266.1, Pittsburgh, PA, 15213, USA.
Scott R GunnDepartment of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
Matthew R RosengartDepartment of Surgery, University of Pittsburgh, 200 Lothrop Street - Suite F1266.1, Pittsburgh, PA, 15213, USA. rosengartmr@upmc.edu.
University of Pittsburgh · US

Funding

CaMK: Central Regulators of the response to Surgical SepsisR01GM082852 · NIGMS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI ROSENGART, MATTHEW RANDALL · 2009 to 2020
$3.0M
Blue light protects against ischemia induced organ injuryR01GM116929 · NIGMS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI ROSENGART, MATTHEW RANDALL · 2016 to 2019
$1.2M
NIGMS NIH HHS GM082852NIGMS NIH HHS GM116929NIGMS NIH HHS R01 GM082852NIGMS NIH HHS R01 GM116929
6 · The paper itself

Abstract

backgroundShift work can disturb circadian homeostasis and result in fatigue, excessive sleepiness, and reduced quality of life. Light therapy has been shown to impart positive effects in night shift workers. We sought to determine whether or not prolonged exposure to bright light during a night shift reduces sleepiness and enhances psychomotor performance among ICU nurses.

methodsThis is a single-center randomized, crossover clinical trial at a surgical trauma ICU. ICU nurses working a night shift were exposed to a 10-h period of high illuminance (1500-2000 lx) white light compared to standard ambient fluorescent lighting of the hospital. They then completed the Stanford Sleepiness Scale and the Psychomotor Vigilance Test. The primary and secondary endpoints were analyzed using the paired t test. A p value <0.05 was considered significant.

resultsA total of 43 matched pairs completed both lighting exposures and were analyzed. When exposed to high illuminance lighting subjects experienced reduced sleepiness scores on the Stanford Sleepiness Scale than when exposed to standard hospital lighting: mean (sem) 2.6 (0.2) vs. 3.0 (0.2), p = 0.03. However, they committed more psychomotor errors: 2.3 (0.2) vs. 1.7 (0.2), p = 0.03.

conclusionsA bright lighting environment for ICU nurses working the night shift reduces sleepiness but increases the number of psychomotor errors.

trial registrationClinicalTrials.gov, NCT03331822 . Retrospectively registered on 6 November 2017.

Indexed as

AdultCircadian RhythmCritical Care NursingEnvironment DesignFatigueFemaleHumansIntensive Care UnitsLightingMaleMiddle AgedPsychometricsShift Work ScheduleSleep Disorders, Circadian RhythmSleepinessCircadianLightNight shiftNurseShift work sleep disorder

Identifiers

PMID30424793
PMCPMC6234544
OpenAlexW2900471169

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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.