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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
Incorrect Diagnosis of Type A Aortic Dissection Attributed to Motion Artifact During Computed Tomographic
Jeremy M Bennett1, Bantayehu Sileshi
1From the Division of Cardiovascular Anesthesiology, Vanderbilt University Medical Center, Nashville, Tennessee.
Insights
Early diagnosis of aortic dissection is crucial. Computed tomography angiography (CTA) can yield false positives; transesophageal echocardiography confirmed no dissection in one case, preventing unnecessary surgery.
Area of Science:
- Cardiovascular Imaging
- Diagnostic Accuracy
- Thoracic Surgery
Background:
- Early diagnosis of aortic dissection is critical for reducing mortality.
- Standard treatment for aortic dissection involves surgical management.
- Current diagnostic methods include CTA, MRI, arteriography, and TEE, each with potential for false positives.
Observation:
- A patient diagnosed with type A aortic dissection via CTA was evaluated.
- Transesophageal echocardiography (TEE) under general anesthesia was performed for further assessment.
- Echocardiographic findings indicated the initial CTA results may have been artifactual.
Findings:
- The patient was found to not have an aortic dissection upon TEE.
- This finding prevented an unnecessary sternotomy and surgical intervention.
- CTA artifact was suggested as the cause of the initial misdiagnosis.
Implications:
- TEE can serve as a crucial tool to confirm or refute CTA findings in suspected aortic dissections.
- Avoiding unnecessary surgeries based on accurate imaging interpretation can improve patient outcomes.
- This case highlights the importance of multi-modal imaging and careful interpretation in diagnosing aortic dissection.
Abstract:
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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