Sentence examples for required contrast from inspiring English sources

Digital subtraction techniques may decrease the required contrast volume, thereby minimising impact on renal function [1].

Though highly sensitive, MRI is costly and may carry risks from the required contrast media [ 13].

A reduction of required contrast volume and patient dose were achieved due to the ultrafast CBCT imaging.

To evaluate two ultrafast cone-beam CT (UF-CBCT) imaging protocols with different acquisition and injection parameters regarding image quality and required contrast media during image-guided hepatic transarterial chemoembolization (TACE).

Because a lower total amount of iodine lowers the risk of CIN [ 14– 16], protocols for CT angiography should always find a compromise between the required contrast enhancement and the amount of iodine injected.

This necessitates the use of reliable non-invasive monitoring techniques, which, should satisfy a minimal set of criteria like, 1) adequate spatial resolution and signal-to-noise ratio (SNR), 2) ability to morphologically differentiate tissues with required contrast, along with 3) a good temporal resolution[1].

But they usually require contrast dyes to be injected into the bloodstream, says Lihong Wang, a photoacoustic researcher at Washington University in St Louis, Missouri.

Arterial spin labelling (ASL) is a brain perfusion sequence that does not require contrast injection.

Computed tomographic angiography (CTA) requires contrast agents that may cause nephropathy.

However, CT examination for AAD requires contrast, transportation from a monitored environment, and patient cooperation for an adequate examination.

With high spatial resolution and contrast of biological soft tissues, DEI is a non-invasive synchrotron-based imaging technique and does not require contrast agents.