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| Name | Class |
|---|---|
| The First Affiliated Hospital of Zhengzhou University | OTHER |
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This is a single-center, comparative, observational, retrospective data study. Datasets from patients who underwent spectral coronary CT angiography (CCTA) for suspected coronary artery disease (CAD) or other diagnosis needs as part of their routine clinical evaluation will be included.
Eligible dataset will be selected from the existing CT scan datasets generated at the study site, based on the CT scanning parameters, enrolled study participant datasets will be divided into Group A (120kVp, DRI=30) and Group B (100kVp, DRI=24). One hundred cases are planned to be enrolled in each group, with a total target of 200 datasets to be collected.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group B | Scanning parameters 100kVp, DRI=24 |
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| Group A | Scanning parameters: 120kVp, DRI=30 |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Non-Interventional Study | Device | This is an observational study |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Subjective Image quality using 5 Liket-scale (1-5) | The subjective image quality will be assessed by 2 radiologists using Liket-scale on a range from 1(poor) to 5(Excellent). | From date of image reconstruction until the date of image reading completion, anticipated 3Months. |
| Measure | Description | Time Frame |
|---|---|---|
| Objective image quality | The objective image quality will be evaluated by measuring the CT value shown in the image. | From the date of image reconstruction completion to the date of image reading completion, anticipated up to 3 months |
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Inclusion Criteria:
Exclusion Criteria:
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Patients completed CCTA scan aged 18.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jie Liu | Contact | +863613852079 | liujieict@163.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Zhengzhou Universtidy 1st Affiliated Hospital | Zhengzhou | Henan | China |
Sponsor and site need further discussion
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| Non-Interventional Study |
| Device |
This is an observational study |
|