CClinicalTrials.gg
CompletedNCT04053556Updated Aug 12, 2019

Cognitive Performance After a Night Shift in Internal Medicine Residents

An observational study in Sleep Deprivation, Burnout, Professional and Cognition Disorders, sponsored by Hospital Italiano de Buenos Aires. Completed at 1 site in Argentina. Per ClinicalTrials.gov, last updated 2019-08-12.

Sponsored by Hospital Italiano de Buenos Aires · Observational

Study type
Observational
Model
Other
Time perspective
Prospective
Enrollment
100
Sex
All
01

Study summary

A quasi-experimental design where internal medicine residents in a high complexity hospital were assessed after a 24-hour shift for cognitive impairment by a trained neurologist.

Read the detailed description

The investigators conducted a cross sectional study during the 2014-2016 period in a high complexity school hospital in Buenos Aires. Second and third year Internal Medicine residents who consented to participate were included.

A neurologist conducted a cognitive evaluation to the residents who had done 24 hours shifts (with sleep deprivation) within 6 hours of its end.

Auditory memory deficit was evaluated (PASAT - Paced Auditory Serial Addition Test), verbal fluency (FAS), direct and indirect Digit-Span, Rey auditory verbal learning test (RAVLT) and Continuous Performance Test 2 (CPT2).

Results were presented as means of standardized scores (z score) with their interquartile range (IQR).

02

Conditions studied

  • Sleep Deprivation
  • Burnout, Professional
  • Cognition Disorders

Keywords

  • sleep deprivation
  • internal medicine residency
  • on call
  • cognitive impairment
  • burn out
  • safety
  • depression
03

In context

Sleep Deprivation

300 studies on the registry are indexed under Sleep Deprivation; 60 are open to participants now.

This study's enrollment of 100 is above the median of 60 across 48 observational studies indexed under Sleep Deprivation.

Browse Sleep Deprivation studies →

Lead sponsor

Hospital Italiano de Buenos Aires is the lead sponsor of 128 studies on the registry; 23 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
Yes
Sampling method
Non-probability sample

Study population

Internal Medicine residents in formation who were on the second or third year of the Internal Medicine residency of the Italian Hospital of Buenos Aires who work 24 hours shifts and whose work day continues to a maximum of 36 total hours and who consented to the study.

Inclusion criteria

  • Internal Medicine residents on the second or third year of formation.

Exclusion criteria

Exclusion Criteria:

  • Denial to participate in the study or to the informed consent.
05

Study design

Observational model
Other
Time perspective
Prospective
Enrollment
100 participants (actual)
Patient registry
No
06

What researchers measure

Primary outcomes

  1. Neurological evaluation using Paced Auditory Serial Addition Test (PASAT)

    Post on-call cognition assessment

    Time frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.

  2. Burn Out

    Maslach questionaire filled by participant

    Time frame: through study completion, an average of one year

  3. Conners Continuous Performance Test 2 (CPT)

    Post on-call attention test

    Time frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.

  4. Rey auditory verbal learning test (RAVLT)

    Post on-call cognition assessment

    Time frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.

  5. F-A-S test

    Post on-call verbal fluency

    Time frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.

  6. Direct and indirect digit span

    Post on-call short-term verbal memory

    Time frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.

Secondary outcomes

  1. Depression

    Questionaire filled by participant

    Time frame: through study completion, an average of one year

07

Study locations

1 site
  • Hospital Italiano de Buenos Aires, Peron 4190
    Ciudad Autonoma de Buenos Aires, Capital Federal C1199ABB, Argentina
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 12, 2019, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04053556
Lead sponsor
Hospital Italiano de Buenos Aires
Responsible party
Sponsor
First posted
Aug 12, 2019
Start date
Aug 8, 2019
Primary completion
Aug 8, 2019
Completion
Aug 8, 2019
Last update
Aug 12, 2019

Study contacts

Diego H Giunta, MD
study chair · Hospital Italiano de Buenos Aires

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Aug 2019. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion