Endothelial Dysfunction and Coronary Artery Spasm

September 25, 2013 updated by: Seigo Sugiyama, Kumamoto University

Digital Tonometry for Measurement of Peripheral Artery Reactive Hyperemia as Non-invasive Test for Diagnosis of Coronary Artery Spasm

Non-obstructive coronary artery disease (NOCAD) frequently accounts for myocardial ischemia in women. Endothelial dysfunction is a pathogenic factor in coronary spastic angina (CSA). CSA is an important cause of NOCAD diagnosed invasively by coronary angiography (CAG). Digital reactive hyperemia peripheral arterial tonometry (RH-PAT) provides noninvasive evaluation of endothelial dysfunction. The investigators hypothesized that the fingertip RH-PAT could predict the presence of CSA in women.

Study Overview

Status

Completed

Conditions

Detailed Description

Outline of methods:

RH-PAT was measured in women with chest pain prior to CAG. Coronary spasm was diagnosed by intra-coronary acetylcholine (ACh) provocation test. Using Flow-Wire, we assessed coronary endothelial function by coronary blood flow increase in response to ACh (ACh-CBF) and coronary flow reserve was assessed by adenosine (Ad-CFR).

Study Type

Observational

Enrollment (Actual)

158

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

  • Japan
      • Kumamoto, Japan, 860-8556
        • Kumamoto 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

38 years to 88 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Sampling Method

Probability Sample

Study Population

Kumamoto University Hospital

Description

Inclusion Criteria:

  • Stable post-menopausal women complaining angina-like chest pain

Exclusion Criteria:

  • Severe valvular disease
  • Hypertrophic cardiomyopathy
  • Severe peripheral artery disease
  • Uncontrolled hypertension
  • Severe collagen diseases
  • Acute coronary syndrome

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

  • Observational Models: Cohort
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Ischemic heart disease diagnosed by cardiac catheterization
Time Frame: From Aug 2006 to May 2009
From Aug 2006 to May 2009

Collaborators and Investigators

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

Sponsor

Kumamoto University

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

August 1, 2006

Primary Completion (Actual)

May 1, 2009

Study Completion (Actual)

May 1, 2009

Study Registration Dates

First Submitted

February 8, 2008

First Submitted That Met QC Criteria

February 8, 2008

First Posted (Estimate)

February 20, 2008

Study Record Updates

Last Update Posted (Estimate)

September 26, 2013

Last Update Submitted That Met QC Criteria

September 25, 2013

Last Verified

September 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 743

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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