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To acquire low radiation dose and good quality cardiac CT images requires scanning at low heart rates which is usually done with beta-blockers. However, in some patients beta-blockers have little effect. This is thought to be due to a different mechanism of action which continues to maintain the heart rate despite administration of beta-blockers. This study aims to look at the effect of music or relaxation tracks to reduce patient heart rate as anxiety is thought to play a role in maintaining high heart rates. This study will randomise patients into a normal standard of care group compared to a normal standard of care group with music/ relaxation track and compare heart rate, radiation dose, image quality, amount of beta-blocker used and patient experience via a State-Trait Anxiety Inventory (STAI) questionnaire.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Music Group plus normal standard of care | Experimental | Patients will listen to music prior and during the scan |
|
| Control Group - Normal standard of care | No Intervention |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Relaxation Music | Other |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in Heart Rate | Unit of measure - beats per minute | Same day as CT scan |
| Measure | Description | Time Frame |
|---|---|---|
| Radiation Dose | Unit of measure - millisieverts | Same day as CT scan |
| Image Quality | Measurement tool - Likert Scale. Review of images by two highly experienced cardiac radiologists |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Elsie Nguyen, MD | University Health Network, Joint Department of Medical Imaging | Principal Investigator |
| Ming-Yen Ng, BMBS | University Health Network, Joint Department of Medical Imaging | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Health Network, Toronto General Hospital | Toronto | Ontario | m5g2c4 | Canada |
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| ID | Term |
|---|---|
| D003324 | Coronary Artery Disease |
| ID | Term |
|---|---|
| D003327 | Coronary Disease |
| D017202 | Myocardial Ischemia |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
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| Same day as CT scan |
| IV metoprolol dose | Unit of measurement - milligrams | Same day as CT scan |
| Patient Satisfaction | Measurement tool - Modified state-trait anxiety inventory (STAI) questionnaire | Same day as CT scan |
| D001161 |
| Arteriosclerosis |
| D001157 | Arterial Occlusive Diseases |
| D014652 | Vascular Diseases |