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Chapter 61. Coronary Artery Perforation

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

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A. Lesions on bends

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B. Bifurcation lesions

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C. Lesions in branches and distal vessels

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D. Calcified lesions

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E. Eccentric lesions

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F. All of the above

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G. None of the above

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The correct answer is F

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

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A. Stiff wires

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B. Hydrophilic wires

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The correct answer is B

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

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A. Avoidance of high-risk lesions

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B. Careful review of diagnostic angiograms prior to starting case

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C. Undersizing devices

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

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E. All of the above

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F. None of the above

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The correct answer is E

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Management of perforation may include which of the following?

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A. Maintenance of guide wire position

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B. Tamponade of leak by inflating balloon across perforation

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C. Covered stent

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D. Pericardiocentesis

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E. All of the above

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F. None of the above

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The correct answer is E

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

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A. Reverse anticoagulation

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B. Tamponade perforation by inflating balloon across lesion

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C. Use covered stent (stent graft)

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D. Maintain guide wire position

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E. Pericardiocentesis

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The correct answer is D

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