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Electrocardiographic estimation of successful ablation site in patients with manifest inferior paraseptal accessory pathway.

Abstract：

:Inferior paraseptal accessory pathways (APs) have a wide distribution and prediction of AP location before radiofrequency ablation is very important in such pathways. We aimed to estimate successful ablation site based on electrocardiogram in 137 patients (mean age: 25.8±9.0; 126 males) with single manifest inferior paraseptal AP. Right endocardial inferior paraseptal APs were discriminated from left endocardial APs with an R/S ratio <1 (p<0.001) and negative delta wave in lead V1 (p<0.001). Epicardial inferior paraseptal APs were differentiated from endocardial APs by a negative delta wave in lead II (p=0.001), positive delta waves in AVR (p<0.001) and V1 (p=0.012), R/S ratio <1 in lead II (p=0.03), and R/S ratio ≥1 in V1 (p=0.04). Delta wave polarity and R/S ratio in lead V1 differentiate right endocardial inferior paraseptal APs from left endocardial APs. Delta wave polarities in leads II, AVR and V1, and R/S ratios in leads II and V1 estimate epicardial inferior paraseptal APs.

journal_name

J Electrocardiol

journal_title

Journal of electrocardiology

authors

Kabul HK,Ulus T,Barcın C,Unlu M,Samedli S,Kose S

doi

10.1016/j.jelectrocard.2015.12.017

subject

Has Abstract

pub_date

2016-03-01 00:00:00

pages

132-8

issue

2

eissn

0022-0736

issn

1532-8430

pii

S0022-0736(15)00440-9

journal_volume

49

pub_type

临床试验,杂志文章

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