
Overview
A CCTA with FFR measurements refers to a coronary computed tomography angiography (CCTA) scan where the imaging data is analyzed to calculate a fractional flow reserve (FFR) value, essentially providing a non-invasive assessment of how well blood flows through coronary arteries, while a cath report with FFR measurements is a report from a cardiac catheterization procedure where FFR is directly measured using a catheter inserted into the coronary arteries, providing a more invasive but potentially more precise assessment of coronary artery stenosis severity. An instantaneous wave-free ratio (iFR) measurement is a physiological index that assesses the severity of coronary stenosis. It's a non-hyperaemic pressure index that measures the ratio of distal coronary pressure to aortic pressure during diastole. A cardiac intravascular ultrasound (IVUS) is a diagnostic procedure that uses sound waves to create images of the heart's blood vessels. It's a type of cardiac catheterization that can help diagnose and treat heart conditions.
Datasets include: Cardiac CT Angiography (CCTA) studies that provide a comprehensive evaluation of coronary artery stenosis, including detailed information on stenosis grade and location, with additional CT-based fractional flow reserve (FFR) measurements to assess the physiological significance of blockages. Major CT vendors such as GE, Toshiba, Philips, and Siemens provide high-resolution imaging for accurate coronary assessments. In cases of further intervention, follow-up reports include catheterization results, with intravascular FFR/IFR measurements, intravascular ultrasound (IVUS), and balloon angioplasty outcomes to evaluate treatment efficacy and vessel patency.
In the Datasets
- 130 patients/260 studies
Inclusion / Exclusion Criteria
- 64 multidetecor row CT
- CCTA and ICA-FFR procedure no more than 90 days apart
- Coronary CTA show at least one vessel segment stenosed between 30-90%
- Use of Nitrogylcerin
- BMI <=35
We are providing a free sample. If you require additional data or data enrichment or have any questions, please contact us directly at sales@onemednet.com
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You will receive access to the following data sets.
Data set name | Type | Historical revisions | Future revisions | Sensitive information | Data dictionaries | Data samples |
|---|---|---|---|---|---|---|
Cardiac CT Angiography (CCTA) - ccta_ffr/ica-ifr_ffr_ivus | All historical revisions | All future revisions | Not included | Not included |
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