Cognitive Performance After a Night Shift in Internal Medicine Residents

August 9, 2019 updated by: Hospital Italiano de Buenos Aires

Evaluation on the Effect on Cognition and Emotional Exhaustion With a Change of Long Night Shift System Versus Reduced Night Shift in Residents of Internal Medicine

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.

Study Overview

Status

Completed

Conditions

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).

Study Type

Observational

Enrollment (Actual)

100

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

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

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

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.

Description

Inclusion Criteria:

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

Exclusion Criteria:

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

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Neurological evaluation using Paced Auditory Serial Addition Test (PASAT)
Time Frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Post on-call cognition assessment
Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Burn Out
Time Frame: through study completion, an average of one year
Maslach questionaire filled by participant
through study completion, an average of one year
Conners Continuous Performance Test 2 (CPT)
Time Frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Post on-call attention test
Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Rey auditory verbal learning test (RAVLT)
Time Frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Post on-call cognition assessment
Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
F-A-S test
Time Frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Post on-call verbal fluency
Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Direct and indirect digit span
Time Frame: Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.
Post on-call short-term verbal memory
Immediately after a 24 hours on call period, wth a maximum delay of 6 hours after night shift end.

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Depression
Time Frame: through study completion, an average of one year
Questionaire filled by participant
through study completion, an average of one year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Hospital Italiano de Buenos Aires

Investigators

  • Study Chair: Diego H Giunta, MD, Hospital Italiano de Buenos Aires

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

August 8, 2019

Primary Completion (Actual)

August 8, 2019

Study Completion (Actual)

August 8, 2019

Study Registration Dates

First Submitted

October 26, 2016

First Submitted That Met QC Criteria

August 9, 2019

First Posted (Actual)

August 12, 2019

Study Record Updates

Last Update Posted (Actual)

August 12, 2019

Last Update Submitted That Met QC Criteria

August 9, 2019

Last Verified

August 1, 2019

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2489

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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