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Digital subtraction angiography for leg venography
S Kudo1, T Kishikawa, T Kuroiwa
1Department of Radiology, Saga Medical School, Japan.
Radiation Medicine
|January 1, 1992
Summary
Digital subtraction angiography (DSA) safely and effectively diagnosed deep vein thrombosis and vein patency in leg venography. This method used less contrast material than conventional techniques, proving a useful diagnostic tool.
Area of Science:
- Vascular imaging
- Radiology
- Diagnostic techniques
Background:
- Deep vein thrombosis (DVT) and venous patency are critical diagnoses in vascular medicine.
- Conventional venography techniques can be invasive and require significant contrast material.
- Digital subtraction angiography (DSA) offers potential advantages in venous imaging.
Purpose of the Study:
- To evaluate the safety and efficacy of digital subtraction angiography (DSA) for venography of the leg.
- To compare the contrast material requirements of DSA venography with conventional methods.
Main Methods:
- Venography was performed on 25 legs from 17 patients using digital subtraction angiography (DSA).
- A preferred protocol involved injecting 15 ml of contrast material (100 mg iodine/ml) followed by 15 ml of heparinized saline.
- The entire leg was imaged, requiring multiple contrast injections.
Main Results:
- Reliable diagnoses of deep vein thrombosis or patency were achieved in most cases.
- The average total iodine quantity per leg was 9 g, which is significantly less than conventional techniques.
- No complications were reported during the procedures.
Conclusions:
- Digital subtraction angiography (DSA) is a safe and effective method for evaluating leg veins.
- DSA venography offers a reduced contrast material dose compared to traditional methods.
- DSA is a valuable diagnostic tool for assessing deep vein thrombosis and venous patency.