Study population
This prospective observational study was conducted at The Alfred, The
Royal Melbourne, The Melbourne Private and Cabrini Hospitals in
Melbourne, Australia between November 2017 and October 2019. Consecutive
patients with documented SVT undergoing electrophysiological study (EPS)
with a view to ablation were invited to participate. The participants
were included in the study if typical AVNRT was inducible and sustained
on at least 2 occasions. AVNRT was diagnosed based on established
criteria during detailed EPS using atrial and ventricular pacing
manoeuvres23, 28-30. Patients with other forms of SVT
or if non-inducible were excluded from the study. The study was approved
by institutions ethics review committees. All participants provided
written informed consent to be in included in the study.