Does Coronary Angiography Cause Cognitive Dysfunction?

February 23, 2016 updated by: Per Tornvall, Karolinska Institutet

Study of Cognitive Function Before and After Coronary Angiography

The purpose of the study is to study if coronary angiography cause cognitive dysfunction.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

We have previously shown, using transcranial doppler, that coronary angiography cause cerebral microembolism. Cerebral microemboli were more common using the radial than femoral approach. Previously, cerebral microembolism has been associated with new cerebral lesions on MRI. The clinical significance of these new lesions is not determined. The primary aim of this pilot study is to see if coronary angiography cause cognitive dysfunction determined by the MoCA-test. A secondary aim is to relate cognitive dysfunction to cerebral microembolism measured by transcranial doppler. A third aim is to study potential differences between the femoral and radial approaches.

Study Type

Observational

Enrollment (Actual)

80

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

  • Sweden
      • Stockholm, Sweden, 17176
        • Cardiology Clinic, Karolinska University 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

35 years to 90 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

Patients scheduled for elective coronary angiography at one center

Description

Inclusion Criteria:

  • Elective coronary angiography irrespective of cause

Exclusion Criteria:

  • Previous CABG, language problems, not willing to participate

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Coronary angiography
Patents scheduled for elective coronary angiography
Procedure: Arterial approach
Randomization to right radial or femoral approach
Other Names:
  • Coronary arteriography

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in cognitive dysfunction from baseline to two days after coronary angiography
Time Frame: Baseline and two days
The Montreal Cognitive Assesment test will be performed before, 2 and 30 days after coronary angiography
Baseline and two days

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Number of patients with cerebral microemboli
Time Frame: Baseline
Cerebral microembolism will be studied by transcraniell doppler at the time of angiography. Findings will be related to change in cognitive function between baseline and two days.
Baseline

Collaborators and Investigators

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

Sponsor

Karolinska Institutet

Investigators

  • Principal Investigator: Per - Tornvall, MD, PhD, Karolinska Institutet

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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

September 1, 2011

Primary Completion (Actual)

June 1, 2012

Study Completion (Actual)

June 1, 2012

Study Registration Dates

First Submitted

August 26, 2011

First Submitted That Met QC Criteria

September 2, 2011

First Posted (Estimate)

September 5, 2011

Study Record Updates

Last Update Posted (Estimate)

February 24, 2016

Last Update Submitted That Met QC Criteria

February 23, 2016

Last Verified

February 1, 2016

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • KI-angio-2

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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