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Chapter 61. Coronary Artery Perforation

Lesions at high risk for perforation include which of the following?

A. Lesions on bends

B. Bifurcation lesions

C. Lesions in branches and distal vessels

D. Calcified lesions

E. Eccentric lesions

F. All of the above

G. None of the above

The correct answer is F

Guide wire perforation is most likely to occur with which of the following?

A. Stiff wires

B. Hydrophilic wires

The correct answer is B

Factors relating to prevention of perforation include which of the following?

A. Avoidance of high-risk lesions

B. Careful review of diagnostic angiograms prior to starting case

C. Undersizing devices

D. Use of intravascular ultrasound and optical coherence tomography before, during, and at end of procedure

E. All of the above

F. None of the above

The correct answer is E

Management of perforation may include which of the following?

A. Maintenance of guide wire position

B. Tamponade of leak by inflating balloon across perforation

C. Covered stent

D. Pericardiocentesis

E. All of the above

F. None of the above

The correct answer is E

In management of a perforation, what is the single most important caveat?

A. Reverse anticoagulation

B. Tamponade perforation by inflating balloon across lesion

C. Use covered stent (stent graft)

D. Maintain guide wire position

E. Pericardiocentesis

The correct answer is D

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