Silent brain injury after cannulation

Question 1

1) Focal neurologic deficits appear in ___% of cardiac surgical patients?

Answer 1

3%

Question 2

2) According to this article, studies where neuropsychological testing was completed prior to discharge showed an incidence of post-operative cognitive dysfunction in ____% of patients at 6 months out.

Answer 2

25%

Question 3

3) Post-operative cognitive dysfunction can be detected in ____ of patients after major non cardiac surgery.

Answer 3

1/3

Question 4

4) There are a variety of imaging techniques to identify markers of brain injury, list 4. (2 points)

Answer 4

• Diffusion-weighted imaging (DWI)
• Fluid attenuated inversion recovery sequencing
• Proton density weighted imaging
• T2 sequences

Question 5

5) The presence of vascular risk factors, in association with brain lesions, can predict a more rapid progression of cognitive dysfunction or dementia, list 4 of the vascular risk factors. (2 points)

Answer 5

• History of stroke
• Atrial fibrillation,
• Diabetes
• Hypertension

Question 6

6) New diffusion weighted imaging lesions become invisible within ___ weeks of their appearance.

Answer 6

2