Key result
Ultra-low-dose contrast CTA yields diagnostic images in all TAVI candidates with BMI ≤29.
Why the study?
The feasibility, image quality, and clinical implications of an ultra-low-dose contrast injection CTA protocol in TAVI candidates were not well established.
Does an ultra-low-dose contrast CTA protocol provide sufficient image quality for procedural planning in TAVI candidates with BMI ≤29 kg/m2?
Observational (n=162)
Does an ultra-low-dose contrast CTA protocol provide sufficient image quality for procedural planning in TAVI candidates with BMI ≤29 kg/m2?
An ultra-low-dose contrast CTA protocol provides diagnostic image quality for TAVI planning in patients with BMI ≤29 kg/m2, allowing for a substantial reduction in contrast media.
Authors
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May support contrast reduction in TAVI planning for BMI ≤29; leaves open randomized confirmation before practice change.
Spagnolo et al. (2015) conducted an observational in TAVI candidates (n=162). Ultra-low-dose contrast injection computed tomography angiography (CTA) protocol was evaluated on Diagnostic image quality of the aortic root and ilio-femoral vessels. An ultra-low-dose contrast CTA protocol provided diagnostic image quality of the aortic root and ilio-femoral vessels in 100% of TAVI candidates with BMI ≤29 kg/m2.
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