Why the study?
Does electrocardiography (ECG)-gated CT improve the distinction between a true dissection flap and a motion artifact in patients with suspected Type A aortic dissection?
Does electrocardiography (ECG)-gated CT improve the distinction between a true dissection flap and a motion artifact in patients with suspected Type A aortic dissection?
ECG-gated CT is essential for distinguishing true aortic dissection flaps from motion artifacts, thereby preventing misdiagnosis and inappropriate treatment.
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ECG-gated CT may avert misdiagnosis of motion artifacts as Type A dissection; hypothesis-generating for broader validation.
Contrast-enhanced computed tomography (CT) is an effective tool for assessment of thoracic aortic disease in the modern era. Here, we describe a case of Type A aortic dissection incidentally detected by CT in a 63-year old man. Upon more precise imaging with electrocardiography (ECG)-gated CT, the dissection vanished, revealing it to be an aortic motion artifact. This report highlights the importance of motion artifacts mimicking a dissection flap. CT imaging gated with ECG can distinguish a dissection flap from an artifact.
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Chou et al. (2016) studied this question.
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