Key result
CTO revascularisation in patients presenting with ventricular arrhythmias was associated with an overall long-term recurrence rate of 38%.
Why the study?
The impact of chronic total occlusion revascularisation on the incidence of ventricular arrhythmias remains to be elucidated.
Does CTO revascularisation reduce the recurrence rate of ventricular arrhythmias in patients presenting with VAs as the main clinical indication?
Cohort (n=34)
Yes
Does CTO revascularisation reduce the recurrence rate of ventricular arrhythmias in patients presenting with VAs as the main clinical indication?
CTO revascularisation may beneficially reduce the incidence of ventricular arrhythmias in patients presenting with VAs as their primary clinical indication.
May warrant individualized consideration in VA patients despite 38% recurrence; leaves open benefit versus medical therapy alone in randomized data.
BACKGROUND: The impact of revascularisation of chronic total occlusions (CTO) on the incidence of ventricular arrhythmias (VA) remains to be elucidated. METHODS: Based on prospectively gathered data, the recurrence rate of VAs following CTO treatment was retrospectively investigated. Patients presenting with VAs as clinical indication for CTO revascularisation were retrospectively selected out of three Belgian CTO registries (i.e. Ziekenhuis Oost-Limburg, UZ Leuven and CHR de la Citadelle). Freedom of VAs was defined as absence of non-sustained or sustained tachycardias (VT), ventricular fibrillations (Vfib) and ventricular extrasystoles (VES; <2500 VES/24 h). Long-term outcome in terms of reoccurrence of VAs was evaluated by reviewing patient records. RESULTS: = 34), overall recurrence rate of VAs was 38% (within VA group: VES: 25%, non-sustained VT: 46%; sustained VT: 25% and Vfib: 60%). CONCLUSION: Based on this retrospective data analysis, CTO revascularisation, in patients presenting with VAs as the main clinical indication, seems to beneficially impact the incidence of VAs, which ultimately might result in improved patients' outcome.
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Eertmans et al. (2020) conducted a cohort in Chronic total occlusions with ventricular arrhythmias (n=34). CTO revascularisation was evaluated on Recurrence of ventricular arrhythmias. CTO revascularisation in patients presenting with ventricular arrhythmias was associated with an overall long-term recurrence rate of 38%.
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