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Thoracoabdominal aortic aneurysms Quiz

By Syed Faaz Ashraf / February 9, 2026

Thoracoabdominal aortic aneurysms Quiz

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Question 1 of 6

1. Question

Which of the following statements regarding thoracoabdominal aortic aneurysms (TAAA) is correct?

a. Most are a consequence of chronic aortic dissection
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b. Most TAAAs are atherosclerotic in nature
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c. TAAAs should be intervened upon if greater than 4.5cm in size
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d. Stroke is the most common complication following TAAA repair
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Question 2 of 6

2. Question

A 52-year-old man has a 7cm type II TAAA and is about to undergo surgical repair. The proximal extent of the aneurysm does not allow for a cross clamp site and the operation is planned to proceed under profound hypothermic circulatory arrest with femoral arterial and venous cannulation Which of the following would be a contraindication to profound hypothermia?

a. Size of the aneurysm
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b. Femoral arterial cannulation
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c. Type II TAAA aneurysm
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d. Aortic insufficiency
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Question 3 of 6

3. Question

Regarding spinal protection in TAAAs, which of the following statements is true:

a. CSF drainage does not impact paraplegia rates.
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b. Distal aortic perfusion provides does not allow any additional spinal protection over the clamp and sew method.
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c. MEP is more accurate than SSEP.
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d. Postoperative hypotension protects patients from paraplegia and decreases surgical bleeding.
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Question 4 of 6

4. Question

Which of the following is true regarding the classification of TAAAs?

a. Extent I originates distal to the left subclavian and terminates at the aortic bifurcation.
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b. Extent II originates distal to the left subclavian and terminates at the aortic bifurcation.
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c. Extent III originates from the left subclavian and terminates at the suprarenal aorta.
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d. Extent IV involves the thoracic aorta only.
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Question 5 of 6

5. Question

Which is the most common postoperative complication following TAAA repair?

a. Stroke
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b. Paraplegia
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c. Respiratory failure
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d. Type A dissection
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Question 6 of 6

6. Question

The following drug has been shown to offer renal protection during TAAA repair:

a. Mannitol
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b. Nicardipine
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c. Nitroglycerin
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d. ACE inhibitors
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