|
Control (n=451) |
ICE (n=155) |
Baseline data |
|
|
Age, mean (SD), years |
46.2 (16.1) |
46.7 (15.2) |
Male, n(%) |
179 (39.7) |
76 (49.0)* |
Type of arrhythmia |
|
|
PVC, n(%) |
389 (86.3) |
134 (86.5) |
VT, n(%) |
47 (10.4) |
13 (8.4) |
PVC and VT, n(%) |
15 (3.3) |
8 (5.2) |
Burden of PVC |
|
|
<20%, n(%) |
163 (40.3) |
55 (38.7) |
20-30%, n(%) |
136 (33.7) |
48 (33.8) |
>30%, n(%) |
105 (26.0) |
39 (27.5) |
Symptoms |
|
|
Palpitation, n(%) |
344 (76.3) |
118 (76.1) |
Chest distress, n(%) |
255 (56.5) |
80 (51.6) |
Chess pain, n(%) |
93 (20.6) |
35 (22.6) |
Duration since dignosis (SD), months |
37.7 (56.9) |
38.3
(58.4) |
Coronary heart disease, n(%) |
75 (16.6) |
25 (16.1) |
Hypertension, n(%) |
117 (25.9) |
44 (28.4) |
Diabetes mellitus, n(%) |
37 (8.2) |
15 (3.3) |
Prior stroke/TIA/systemic embolism, n(%) |
25 (5.5) |
6
(3.9) |
Abnormal left ventricular ejection fraction, n(%) |
45 (10.0) |
22
(14.2) |
Abnormal left ventricular diastolic diameter, n(%) |
67 (14.9) |
27
(17.4) |
Smoking, n(%) |
76 (16.9) |
30 (19.4) |
Alcohol consumption, n(%) |
67 (14.9) |
38 (24.5) |
Body mass index≥28.0, n(%) |
87 (19.3) |
35 (22.6) |
Abnormal troponin I, n(%) |
58 (12.9) |
25 (16.1) |
Abnormal potassium, n(%) |
25 (5.5) |
1 (0.6)* |
Antiarrhythmic drugs |
|
|
Class Ic, n(%) |
8 (1.8) |
7 (4.6) |
Class IIa, n(%) |
131 (29.0) |
51 (33.8) |
Class IIIa, n(%) |
10 (2.2) |
3 (1.9) |
Others, n(%) |
54 (12.0) |
22 (14.6) |
Follow-up data |
|
|
Follow-up duration, mean (SD), months |
24.4 (10.4) |
11.3
(6.6)* |
24 hour-holter monitoring |
390 (86.5) |
136 (87.7) |
Improvement of left venricular ejction fraction, mean (SD), % |
8.21
(6.98) |
6.56 (4.16)* |
Reduction of left ventricular diastolic diameter, mean (SD), % |
4.00
(3.51) |
3.80 (2.59) |
Cardiovascular rehospitalization, n(%) |
26 (5.8) |
3
(1.9) |
Antiarrhythmic drugs* |
|
|
Class Ic, n(%) |
9 (2.0) |
8 (5.2) |
Class IIa, n(%) |
51 (11.3) |
26 (16.8) |
Class IIIa, n(%) |
10 (2.2) |
3 (1.9) |
Others, n(%) |
20 (4.4) |
17 (11.3) |
Abbreviations: ICE: intracardiac echocardiography; PVC: premature
ventricular complexes; VT: ventricular tachycardia. |
Abbreviations:
ICE: intracardiac echocardiography; PVC: premature ventricular
complexes; VT: ventricular tachycardia. |
Abbreviations: ICE:
intracardiac echocardiography; PVC: premature ventricular complexes; VT:
ventricular tachycardia. |
P<0.05, compared with control group |
* P<0.05,
compared with control group |
* P<0.05, compared with control
group |