Key result
Ablation within the proximal coronary sinus eliminated retrograde slow pathway conduction and rendered AVNRT noninducible in 75% of patients with 'left-variant' atypical AVNRT.
Why the study?
Does slow pathway ablation within the proximal coronary sinus eliminate AVNRT inducibility in patients with 'left-variant' atypical AVNRT?
Observational (n=45)
Does slow pathway ablation within the proximal coronary sinus eliminate AVNRT inducibility in patients with 'left-variant' atypical AVNRT?
In patients with 'left-variant' atypical AVNRT with eccentric CS activation, ablation within the proximal coronary sinus is often required to eliminate retrograde slow pathway conduction and prevent AVNRT inducibility.
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May guide ablation in eccentric left-variant AVNRT; hypothesis-generating and requires prospective validation.
Otomo et al. (2006) conducted an observational in Atypical atrioventricular nodal reentrant tachycardia (n=45). Slow pathway ablation within proximal coronary sinus vs. Conventional slow pathway ablation was evaluated on Elimination of retrograde slow pathway conduction and AVNRT noninducibility. Ablation within the proximal coronary sinus eliminated retrograde slow pathway conduction and rendered AVNRT noninducible in 75% of patients with 'left-variant' atypical AVNRT.
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