Highlights the potential for CTA motion artifacts to mimic type A aortic dissection and the utility of transesophageal echocardiography in confirming the diagnosis to prevent unnecessary surgery.
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Highlights the risk of CTA motion artifacts mimicking type A dissection; leaves open the broader need to quantify.
Early diagnosis of aortic dissection is important to reduce mortality, with surgical management representing standard treatment. Current methods of diagnosing type A aortic dissection include computed tomography angiography (CTA), magnetic resonance imaging, catheter-based arteriography, and transesophageal echocardiography. While each method has merits, there exists potential for false-positive findings. We present a case of a patient who was diagnosed with type A aortic dissection by CTA, but was found to not have an aortic dissection by transesophageal echocardiography under general anesthesia, preventing an unnecessary sternotomy. The echocardiographic findings suggested CTA artifact.
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Bennett et al. (2017) studied this question.
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