Postoperative Sleep Disturbances Role in Cognitive Test Results After Fast-track Hip and Knee Arthroplasty

September 27, 2011 updated by: Lene Krenk, Rigshospitalet, Denmark
The purpose of this study is to evaluate sleep cycle before and after fast-track arthroplasty (3 days before and 10 days after) combined with cognitive testing preoperatively, on postoperative day 1,2,10.

Study Overview

Status

Completed

Study Type

Observational

Enrollment (Anticipated)

20

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

      • Hellerup, Denmark, 2900
        • Gentofte Hospital

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

60 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients above 60 years undergoing hip/knee replacement surgery in a fest track set-up.

Description

Inclusion Criteria:

  • above 60
  • ASA classification I-IV

Exclusion Criteria:

  • general anaesthesia within 90 days
  • daily use of sedatives, hypnotics og anxiolytics
  • alcohol abuse
  • insufficient written and verbal Danish
  • severe hearing loss and poor sight
  • Parkinsons Disease or other functional neurological deficits
  • Mini mental status < 24
  • Shift work

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
Time Frame
Stroop colour word test result on the first postoperative morning compared to preoperatively.
Time Frame: 4 days on average between preoperative and postoeperative testing
4 days on average between preoperative and postoeperative testing

Collaborators and Investigators

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

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

February 1, 2011

Primary Completion (Actual)

August 1, 2011

Study Completion (Actual)

August 1, 2011

Study Registration Dates

First Submitted

June 23, 2011

First Submitted That Met QC Criteria

June 27, 2011

First Posted (Estimate)

June 28, 2011

Study Record Updates

Last Update Posted (Estimate)

September 28, 2011

Last Update Submitted That Met QC Criteria

September 27, 2011

Last Verified

September 1, 2011

More Information

Terms related to this study

Other Study ID Numbers

  • H-C-FSP-2010-050

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.

Clinical Trials on Postoperative Cognitive Abilities

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