Eight male heart transplant recipients underwent contrast material-enhanced electron-beam computed tomographic angiography. Coronary artery diameters measured with fixed thresholds and adaptive line density profile (LDP) methods were calculated relative to findings at quantitative coronary angiography. Variation with fixed-threshold methods was significantly greater than that with LDP methods because of variations in vessel enhancement. Thus, more accurate measurements of vessel diameter were obtained with LDP methods.
- Computed tomography (CT), electron beam
- Computed tomography (CT), image processing
- Coronary vessels, CT
ASJC Scopus subject areas
- Radiology Nuclear Medicine and imaging