Key result
Dual injection of diluted and undiluted contrast medium for computed tomography venography provided artifact-free visualization of the arteriovenous fistula and arm veins in a dialysis patient.
Case Report (n=1)
Dual injection of diluted and undiluted contrast medium during CT venography can provide artifact-free visualization of arteriovenous fistulas and thoracic veins in dialysis patients.
Dual-injection CT venography may enable artifact-free thoracic vein imaging in complex dialysis access; leaves open generalizability and clinical utility.
A 45-year-old female dialysis patient with sudden onset of severe pain in the left shoulder and chest was referred for computed tomography of her left arm and thoracic veins. The computed tomography venography revealed 2 completely occluded venous grafts and 2 pronounced stenoses of the subclavian vein. By using a dual injection of diluted and undiluted contrast medium, artifact-free visualization of arteriovenous fistula, arm veins and adequate enhancement of thoracic veins were obtained.
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Svensson et al. (2019) conducted a case report in Dialysis patient with severe pain in left shoulder and chest (n=1). Dual injection of diluted and undiluted contrast medium for computed tomography venography was evaluated on Artifact-free visualization of arteriovenous fistula, arm veins and adequate enhancement of thoracic veins. Dual injection of diluted and undiluted contrast medium for computed tomography venography provided artifact-free visualization of the arteriovenous fistula and arm veins in a dialysis patient.
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