Why the study?
This SICI-GISE position paper and expert review was undertaken to provide a comprehensive overview of the applications, mechanisms of action, and clinical significance of excimer laser coronary atherectomy in complex PCI.
This position paper by the Italian Society of Interventional Cardiology outlines the clinical utility, mechanisms, and technical considerations of excimer laser coronary atherectomy for managing complex coronary lesions.
Answers are grounded in this paper and cite their sources.
May support selective use in complex PCI; leaves open need for randomized trials to define outcomes.
Excimer laser coronary atherectomy (ELCA) has significantly influenced interventional cardiology, particularly in complex percutaneous coronary interventions (PCIs). This expert review by the Italian Society of Interventional Cardiology (SICI-GISE) provides a comprehensive overview of ELCA's applications, mechanisms of action, and clinical significance. ELCA uses ultraviolet (UV) energy to modify atheromatous plaque while minimizing damage to surrounding tissue. Its photochemical, photothermal, and photokinetic mechanisms enable effective plaque removal and improved clinical outcomes. The review traces the evolution of ELCA technology, including advances in laser catheters and techniques for diverse clinical and anatomical scenarios. It also discusses ELCA's clinical applications for conditions such as in-stent restenosis, underexpanded stents, thrombotic lesions, and calcified plaques. The review further examines the histopathological effects of ELCA on vascular tissues, emphasizing its precision and minimal collateral damage. Data from multiple studies demonstrate ELCA's effectiveness and safety in complex PCI, with high success rates and acceptable complication rates. The review emphasizes the importance of careful patient selection, appropriate laser settings, and adjunctive therapies to achieve optimal results. Overall, ELCA is a valuable tool for interventional cardiologists, offering a versatile and practical approach to managing challenging coronary lesions.
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Sangiorgi et al. (2026) conducted a review in Complex coronary lesions undergoing percutaneous coronary intervention (in-stent restenosis, underexpanded stents, thrombotic lesions, and calcified plaques). Excimer laser coronary atherectomy (ELCA) was evaluated. Excimer laser coronary atherectomy (ELCA) provides effective and safe plaque modification in complex PCI through photochemical, photothermal, and photokinetic mechanisms.
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