Abstract
With the aging population, up to a third of patients referred for percutaneous coronary intervention (PCI) have moderate or severe calcified lesions assessed by coronary angiography. The presence of coronary calcium is associated with difficult device delivery, sub-optimal stent deployment, and prolonged procedures, with more complications. Furthermore, it is known that sub-optimal stent expansion is associated with poor clinical outcomes. In this manuscript we describe how to quantify the severity of coronary calcium, review the armamentarium of contemporary devices available for calcium modification, and provide a systematic approach to device selection, assessment of successful calcium modification, and stent optimization.
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