The Official Journal of EuroPCR and the European Association of Percutaneous Coronary Interventions (EAPCI)

Coronary intravascular lithotripsy is associated with a high incidence of “shocktopics” and asynchronous cardiac pacing.

1. Belfast Health and Social Care Trust, Belfast, United Kingdom, UNITED KINGDOM
2. St George’s University NHS Trust, London, United Kingdom
3. King’s College Hospital NHS Foundation Trust, London, United Kingdom
4. Belfast Health and Social Care Trust, Belfast, United Kingdom
5. St George’s University NHS Trust, London, United Kingdom
6. Belfast Health and Social Care Trust, Belfast, United Kingdom
7. Bristol Heart Institute, Bristol, United Kingdom
8. John Hopkins Hospital, Baltimore, USA
9. Belfast Health and Social Care Trust, Belfast, United Kingdom
10. Belfast Health and Social Care Trust, Belfast, United Kingdom
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Aims: Coronary intravascular lithotripsy (IVL) is a novel approach to vascular calcium modification that restores vessel compliance allowing effective lesion expansion. In this study we report the capacity for coronary IVL to precipitate ventricular ectopics (“shocktopics”) and asynchronous cardiac pacing.

Methods and results: This was a retrospective review of all cases of coronary IVL (n=54) undertaken in the Royal Victoria Hospital, Belfast between 12th September 2018 and 1st March 2019. The indication for PCI was chronic stable angina in 46.1% (n=26), non-ST elevation acute coronary syndrome (NSTEACS) in 33.3% (n=18) and ST-elevation myocardial infarction (STEMI) in 18.5% (n=10) of patients. The incidence of coronary IVL provoked ventricular capture was 77.8% (n=42). Multivariable logistic regression analysis identified heart rate as the only independent predictor of an increased risk of IVL induced ventricular capture. Patients with a heart rate

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