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  • Title: Comparison of intravascular lithotripsy versus rotational atherectomy for the treatment of severe coronary artery calcification.
    Author: Zhao Y, Wang P, Zheng Z, Shi Y, Liu J.
    Journal: BMC Cardiovasc Disord; 2024 Jun 19; 24(1):311. PubMed ID: 38898393.
    Abstract:
    BACKGROUND: Calcified lesions are one of the most challenging cases for PCI, where optimal angiographic results and satisfying outcomes are hard to achieve. METHODS: We evaluated the baseline clinical, procedures characteristics and outcomes of patients with severe coronary artery calcification (CAC) who underwent coronary intravascular lithotripsy (IVL) and rotational atherectomy (RA). RESULTS: Respectively 152 and 238 patients who underwent IVL and RA are enrolled from January 2023 to November 2023. Regarding demographic characteristics, the gender proportion, medical history of PCI and smoke history among groups reach statistical significance. Left anterior descending and right coronary artery were the main vessels treated in both groups. The 2.5 and 3.0 mm IVL balloons and 1.5 mm burr were the most commonly used. 99.3% cases were successfully implanted drug-eluting stents after IVL balloon pre-treatment, which was higher than in the group treated with RA. During hospitalization, there were no serious adverse events in the IVL group, but there were two adverse events in the RA group. Procedural complications were higher in the RA group than the IVL group (5.5% vs. 0.7%, P = 0.027). CONCLUSIONS: IVL appears to be safe and effective for the treatment of severe CAC lesions compared to RA.
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