Figure legends
Figure 1 . Flowchart of study patients with ventricular
arrhythmias. PVC: premature ventricular complexes; VT: ventricular
tachycardia; ICE: intracardiac echocardiography.
Figure 2 . The representative 12-lead electrocardiograms of
ventricular arrhythmias from different origins (A) and distribution of
origins (B). RVOT: right ventricular outflow tract; LVOT: left
ventricular outflow tract
Figure 3 . Kaplan-Meier curves for cumulative survival free from
long-term outcome between control and ICE group (A) and long-term
success rate from different origins between control and ICE groups (B).
ICE: intracardiac echocardiography; RVOT: right ventricular outflow
tract; LVOT: left ventricular outflow tract.
Figure 4 . Multivariate analysis for predictors of acute
procedural success (A) and long-term success (B). LVEF: left ventricular
ejection fraction; LVEDD: left ventricular end-diastolic diameter; PVC:
premature ventricular complexes; RVOT: right ventricular outflow tract;
LVOT: left ventricular outflow tract; OTs: outflow tracts; TIA:
transient ischemic attack.
Supplementary Figure 1 .
Ventricular
arrythmias ablation from left anterolateral papillary muscle with 3D
electroanatomical map (CARTO 3, Johnson and Johnson, Inc.) only or in
combination with intracardiac echocardiography use (5–10 MHz, Johnson
and Johnson, Inc.) was decided by consultation between patients and
doctors before procedure. A: intracardial structure was constructed with
an adjustable catheter. At the blue points, the local activation time
was the earlier than the referenced point about 62ms and than the
earliest activation point of surface ECG about 32ms. Ventricular
tachycardia eliminated within 3 seconds after ablation and without
recurrence during 30 minutes observation time. B: intracardial structure
was constructed with intracardiac echocardiography and ablation
catheter. As presented in the lower right corner, papillary muscle and
catheter were real-time observation. Ventricular premature complexes
were eliminated after identifying the ideal site.