Key result
Sinus rhythm fragmentation mapping-guided endocardial resection for VT is associated with ~24% early postoperative mortality.
Why the study?
Strategies for surgery in patients with unstable or intraoperatively noninducible ventricular tachyarrhythmias are poorly defined.
Population
64 patients undergoing surgery for ventricular tachyarrhythmias
Comparison
Fragmentation mapping in sinus rhythm vs activation mapping
Design
Observational study
Follow-up
23 +/- 19 months
Authors
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Fragmentation mapping may guide surgery for noninducible VT; hypothesis-generating and requires prospective validation before adoption.
Observational (n=21)
No
Bourke et al. (1989) conducted an observational in Ventricular tachyarrhythmias (n=21). Endocardial resection based on fragmentation mapping in sinus rhythm was evaluated on Early postoperative deaths. Endocardial resection directed by fragmentation mapping in sinus rhythm for unmappable ventricular tachyarrhythmias resulted in 24% early postoperative mortality and 2 arrhythmia recurrences.
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