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<title>The Development Of A Digital Video Subtraction System For Intravenous Angiography</title>
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1979
Year
Good VisualizationSurgeryVideo Subtraction TechniquesVascular SurgeryVascular ImagingAngiologyPublic HealthIntravenous AngiographyAtherosclerosisCardiologyBlood Flow MeasurementRadiologyCardiovascular ImagingVascular ImageMedical ImagingUltrasoundPrototype UnitDigital Subtraction AngiographyCardiovascular DiseaseBiomedical ImagingVascular AccessMedicineAnesthesiology
A system is under development for a relatively non-invasive technique for the assessment of atherosclerosis. The principle of this method is digital video x-ray subtraction for the visualization of arterial structures after the intravenous injection of contrast media. The prototype unit for the development of video subtraction techniques has been assembled and preliminary testing has started. Re-sults so far in dogs have shown good visualization of the heart, carotid arteries and renal arteries.