A 70-year-old woman with intractable angina pectoris undergoes cardiac catheterization for possible mechanical intervention. She prefers PTCA to open correction. The following is/are true:
belongs to book: ASIR SURGICAL MCQs BANK|Dr. Gharama Al-Shehri|1st edition| Chapter number:12| Question number:138
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b. Multiple obstructive lesions in the same artery would be a contraindication to PTCA
The ideal lesion for PTCA is focal symmetric stenosis in an epicardial vessel. However, it is relatively contraindicated for significant disease in the left main coronary, for multiple obstructive lesions in the same artery, and for vessels less than 2 mm in diameter. Restenosis rates of 20% to 40% occur within the first 4–6 months after successful dilation for simple lesions
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