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Sponsored by: |
Kumamoto University |
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Information provided by: | Kumamoto University |
ClinicalTrials.gov Identifier: | NCT00619294 |
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.
Condition |
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Coronary Vasospasm |
Study Type: | Observational |
Study Design: | Cohort, Prospective |
Official Title: | Digital Tonometry for Measurement of Peripheral Artery Reactive Hyperemia as Non-Invasive Test for Diagnosis of Coronary Artery Spasm |
Estimated Enrollment: | 200 |
Study Start Date: | August 2006 |
Estimated Study Completion Date: | August 2008 |
Estimated Primary Completion Date: | August 2008 (Final data collection date for primary outcome measure) |
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).
Ages Eligible for Study: | 40 Years to 90 Years |
Genders Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Kumamoto University Hospital
Inclusion Criteria:
Exclusion Criteria:
Responsible Party: | Department of Cardiovascular Medicine, Kumamoto University ( Seigo Sugiyama ) |
Study ID Numbers: | 743 |
Study First Received: | February 8, 2008 |
Last Updated: | August 18, 2008 |
ClinicalTrials.gov Identifier: | NCT00619294 |
Health Authority: | Japan: Institutional Review Board |
Coronary Vasospasm Endothelium, Vascular Vasodilation Hyperemia |
Coronary Disease Spasm Hyperemia Heart Diseases Myocardial Ischemia |
Vascular Diseases Coronary Vasospasm Ischemia Coronary Artery Disease |
Cardiovascular Diseases |