Evidence map›Paper›PMID 39046634›Full record

ArticleEmergency radiology2024

Effects of night-float shifts on cognitive function among radiology residents.

Carl C Flink, Robert E Hobohm, Bin Zhang, Deborah L Jacobson, Eric B England

Abstract read
In one paragraph

Article in Emergency radiology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

5 authors.

Carl C FlinkDepartment of Radiology, University of Cincinnati Medical Center, CARE/Crawley Building, Suite E-870, 3230 Eden Avenue, Cincinnati, OH, 45267, USA. flinkcc@ucmail.uc.edu.ORCID http://orcid.org/0000-0003-0680-6868
Robert E HobohmDepartment of Radiology, University of Cincinnati Medical Center, CARE/Crawley Building, Suite E-870, 3230 Eden Avenue, Cincinnati, OH, 45267, USA.
Bin ZhangDivision of Biostatistics and Epidemiology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
Deborah L JacobsonDivision of Urology, Department of Surgery, University of Utah Medical Center, Salt Lake City, Utah, USA.
Eric B EnglandDepartment of Radiology, University of Cincinnati Medical Center, CARE/Crawley Building, Suite E-870, 3230 Eden Avenue, Cincinnati, OH, 45267, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMany radiology programs utilize a night-float system to mitigate the effects of fatigue, improve patient care, and provide faster report turnaround times. Prior studies have demonstrated an increase in discrepancy rates during night-float shifts.

objectivesThis study was performed to examine the effects of night-float shift work on radiology resident cognition. We hypothesized that there would be diminished cognitive function on testing following night-float shifts when compared to testing following day shifts.

methodsDiagnostic radiology residents in their second to fifth years of residency at a single institution were recruited to participate in this pilot study. Cognitive function was evaluated using the Lumosity Neurocognitive Performance Tests (NCPT), standardized performance tests that provide real-time, objective measurements of cognitive function. Study participants completed the NCPT in 5 sessions following 5 consecutive day shifts to evaluate their baseline cognitive function. The tests were re-administered at the end of consecutive night-float shifts to assess for any changes. Sleep was objectively monitored using actigraphy devices worn around the wrist during all study weeks. Descriptive and summary statistics were performed.

results23 prospectively recruited diagnostic radiology residents working night-float shifts took a mean 13.6 (± 5.1) neurocognitive performance tests during the study period. There was a statistically significant decline in 2 of the 6 cognitive tests administered, signifying a decrease in attention, speed, and complex reasoning ability. Night-float shifts were significantly longer than the day shifts and associated with a significantly higher study volume and cross-sectional study volume. Fitbit data demonstrated that there were no significant differences in level of activity while awake. However, participants slept significantly longer during day shifts.

conclusionsA sample of 23 radiology residents working night-float shifts demonstrated declines in attention, speed, and complex reasoning ability following sequential administration of standardized neurocognitive performance tests. While the sample size is small, these findings demonstrate the potential deleterious effects of night-float shift work and provide evidence to support further inquiry into this phenomenon.

Indexed as

CognitionInternship and ResidencyRadiologyShift Work ScheduleActigraphyAdultFatigueFemaleHumansMaleNeuropsychological TestsPilot ProjectsProspective StudiesWork Schedule ToleranceActigraphyCognitionInternship and residencyRadiologyShift work schedule

Identifiers

PMID39046634
PMCPMC11436431

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Registered trials

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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.