Ventricular Dyssynchrony and Function Improve following Catheter Ablation of Nonseptal Accessory Pathways in Children
Table 2
Echocardiographic parameters prior to and following catheter ablation.
Patient
Location of AP
LV ejection fraction (%)
SPWMD (ms)
ESD septal (ms)
ESD lateral (ms)
Delta ESD septal-lateral (ms)
PRE
POST
PRE
POST
PRE
POST
PRE
POST
PRE
POST
1
LL
48
58
101
100
256
143
240
120
16
23
2
RPS
72
68
47
64
164
147
147
120
17
27
3
RPS
55
N/A
58
40
N/A
N/A
N/A
N/A
N/A
N/A
4
RPS
61
57
30
33
211
154
N/A
N/A
N/A
N/A
5
RPL
50
76
53
47
200
110
167
110
33
0
6
LPS
60
63
50
87
157
112
122
92
35
20
7
LP
61
61
5
64
175
135
146
117
29
18
8
RA
48
53
31
40
184
188
280
271
96
83
9
LL
62
59
33
63
125
124
112
122
13
2
10
LL
65
68
44
61
162
180
96
175
66
5
11
RAS
49
62
76
78
293
195
183
N/A
110
N/A
12
RA
52
55
99
10
192
170
133
155
59
15
13
LL
68
77
15
115
140
127
110
103
30
24
14
RL
55
62
80
61
155
N/A
280
N/A
125
N/A
15
LL
49
50
100
72
133
108
110
96
23
12
16
RPS
N/A
62
77
75
N/A
N/A
N/A
N/A
N/A
N/A
Mean ± SD
—
57 ± 8
62 ± 8
56 ± 30
63 ± 26
182 ± 47
145 ± 30
164 ± 64
135 ± 52
50 ± 38
21 ± 23
LV denotes left ventricle; SPWMD: septal-to-posterior wall motion delay; ESD: electrosystolic delay (or time-to-peak systolic velocity); PRE: preablation; POST: postablation; LL: left lateral; RPS: right posteroseptal; RPL: right posterolateral; LPS: left posteroseptal; LP: left posterior; RAS: right anteroseptal; RAL: right anterolateral; RA: right anterior; RL: right lateral; N/A: not available.
