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Coronary angiography exposes patients and physicians to ionizing radiation. The purpose of this study is to evaluate the routine use of large field of view during image acquisition for coronary angiography. Patients with indication of diagnostic coronary angiography will be randomized for the use of either large field of view during image acquisition or medium field of view. Patients, physician and nurse radiation exposure will be measured by digital dosimeter.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Large field of view | Experimental | Patients will have coronary angiography performed with large field of view lens |
|
| Medium field of view | Active Comparator | Patients will have coronary angiography performed with medium field of view lens |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Large field of view arm | Radiation | Patients will be allocated in the large field of view arm. Coronary angiography will be performed with large field of view lens (25 cm) |
|
| Measure | Description | Time Frame |
|---|---|---|
| Patient's radiation exposure | Patient's radiation exposure will be measured in mGy at the end of procedure | 24 hours |
| Measure | Description | Time Frame |
|---|---|---|
| Physician and nurse radiation exposure | Physician and nurse radiation exposure will be measured in microSv at the end of procedure | 24 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Cristiano O Cardoso, MD, MSc | Instituto de Cardiologia do Rio Grande do Sul | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Instituto de Cardiologia do Rio Grande do Sul | Porto Alegre | Rio Grande do Sul | Brazil |
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| ID | Term |
|---|---|
| D011832 | Radiation Injuries |
| ID | Term |
|---|---|
| D014947 | Wounds and Injuries |
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| Medium field of view | Radiation | Patients will be allocated in the medium field of view arm. Coronary angiography will be performed with medium field of view lens (20 cm) |
|