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Digital subtraction angiography: the intravenous approach.
D Beyer1, W Gross-Fengels, K F Neufang
1Department of Radiology, University of Cologne, FRG.
International Journal of Cardiac Imaging
|January 1, 1988
Summary
Improved digital subtraction angiography (DSA) with advanced software makes the intravenous approach a viable diagnostic option for imaging vessels. This method can reduce the need for arterial studies in many patients with adequate cardiac output.
Area of Science:
- Medical Imaging
- Vascular Diagnostics
- Interventional Radiology
Background:
- Digital subtraction angiography (DSA) has seen significant technological advancements.
- Intravenous contrast administration is being re-evaluated for vascular imaging.
Purpose of the Study:
- To assess the diagnostic utility of the intravenous approach in digital subtraction angiography.
- To evaluate the advantages and limitations of this technique for specific vascular beds.
Main Methods:
- Utilized improved DSA equipment and sophisticated software programs.
- Focused on the intravenous administration of contrast media.
Main Results:
- The intravenous approach is a promising diagnostic alternative in select clinical settings.
- In many cases, an additional arterial study may not be required.
- Diagnostic accuracy for brachiocephalic, renal, and peripheral vessels was evaluated.
Conclusions:
- Advancements in DSA technology enhance the feasibility of the intravenous approach.
- This technique offers a valuable alternative for vascular imaging when cardiac output is sufficient.
- Careful patient selection is key to optimizing diagnostic outcomes.