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Coronary heart disease is a very common condition caused by narrowings in the blood vessel supplying the heart. the investigators are studying new tests to diagnose heart disease. In this study the investigators plan to investigate a special scan called a PET/CT (Positron emission tomography/computed tomography) and a new type of CT (Computed tomography) scan to tell us about the flow of blood to the heart muscle.
Participants will undergo PET/CT with oxygen-15 labelled water and computed tomography myocardial perfusion imaging.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Suspected coronary heart disease |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Computed tomography myocardial perfusion imaging | Other |
| ||
| Oxygen 15 labelled water positron emission tomography |
| Measure | Description | Time Frame |
|---|---|---|
| Myocardial blood flow | Myocardial blood flow ( ml/g/min) measured by oxygen-15 water positron emission tomography | 1 month |
| Measure | Description | Time Frame |
|---|---|---|
| Fractional flow reserve | Fractional flow reserve measured during invasive coronary angiography | 1 month |
| Myocardial perfusion | Myocardial perfusion measured as hypoperfusion on adenosine computed tomography myocardial perfusion imaging |
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Inclusion Criteria:
Exclusion Criteria:
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Outpatients with suspected coronary heart disease
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| Name | Affiliation | Role |
|---|---|---|
| David Newby, PhD DM | University of Edinburgh | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Clinical Research Imaging Centre | Edinburgh | Scotland | United Kingdom |
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| ID | Term |
|---|---|
| D003327 | Coronary Disease |
| ID | Term |
|---|---|
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D014652 | Vascular Diseases |
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| Other |
|
| 1 month |