Practical Reviews

Biphasic CT Injection Protocol Better Than Conventional CTPA


Objective: To compare a conventional CT pulmonary angiogram (CTPA) protocol with a double-rule out CT angiogram (DRO CTA) protocol for vascular enhancement of both the pulmonary arteries and aorta, radiation dose, and contrast volume. Design: Retrospective. Methods: Participants had undergone 1 of the CT protocols for clinical indication. All CTs were performed on a 16-MDCT scanner. CTs were performed helically from the costophrenic angles to the lung apices. The contrast used was more...
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