Intra-arterial digital subtraction angiography.
DSA is an imaging technique that should be integrated into a state-of-the-art angiographic system for proper application and utilization. This results in improvements in both efficiency and diagnostic accuracy. However, from the physician's viewpoint, the proper use of a DSA imaging facility mandates not only an understanding of angiographic principles as applied with conventional film-screen systems but also an in-depth understanding of the factors that affect DSA performance. In particular, factors affecting spatial resolution and contrast sensitivity are crucial. This knowledge has to be applied interactively and "on-line" to achieve optimal IA-DSA image quality.
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D000792:Angiography / Q000379:methods*; D001164:Arteriovenous Fistula / Q000000981:diagnostic imaging; D002340:Carotid Artery Diseases / Q000000981:diagnostic imaging; D002426:Cavernous Sinus / Q000000981:diagnostic imaging; D002648:Child; D003287:Contrast Media / Q000008:administration & dosage*; D005260:Female; D005909:Glioblastoma / Q000000981:diagnostic imaging; D006084:Graft Rejection; D006391:Hemangioma / Q000000981:diagnostic imaging; D006801:Humans; D007269:Injections, Intra-Arterial; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging; D016030:Kidney Transplantation; D008067:Lipoma / Q000000981:diagnostic imaging; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging; D008579:Meningioma / Q000000981:diagnostic imaging; D013382:Subtraction Technique
D003287:Contrast Media