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Article Abstract

Background: Intravascular lithotripsy (IVL) is currently recommended for heavily calcified coronary lesions with an optical coherence tomography (OCT)- or intravascular ultrasound (IVUS)-based calcium score of 3 or 4.

Methods And Results: We retrospectively assessed both calcium scores for the same lesions, which had a heavily calcified coronary lesion requiring plaque modification. Among 52 lesions, the mean OCT-based calcium score was 3.96, whereas the mean IVUS-based calcium score was 2.15 (P<0.001).

Conclusions: This comparative study revealed a significant discrepancy between IVUS- and OCT-based calcium scores in heavily calcified coronary lesions, which may influence treatment strategies, including use of IVL.

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http://dx.doi.org/10.1253/circj.CJ-25-0068DOI Listing

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