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Patients with obstructive coronary lesions with a high calcium content (LHCC) have an exaggerated clinical risk, because the presence of calcification is associated with more extensive coronary atheroma and higher burden of comorbidities. Treatment of LHCC using percutaneous techniques is complex because of an increased risk of incomplete lesion preparation with suboptimal stent deployment and higher rates of acute and chronic stent failure. Rotational atherectomy has been the predominant technology for treatment of high-grade LHCC, but novel devices/technologies have entered clinical practice. It seems likely that combining enhanced intravascular imaging, which allows definition of the patterns of calcification with these new technologies, will herald a change in procedural algorithms for treatment of LHCC. This review provides an overview about LHCC with special focus on existing and emergent technologies. We also provide a proposed procedural algorithm to facilitate optimal use of technology according to specific features of LHCC and coronary anatomy.

Original publication

DOI

10.1016/j.jcin.2019.03.038

Type

Journal article

Journal

JACC Cardiovasc Interv

Publication Date

12/08/2019

Volume

12

Pages

1465 - 1478

Keywords

calcific coronary lesions, complex percutaneous coronary interventions, coronary lithoplasty, excimer laser, orbital atherectomy, rotational atherectomy