Table 2

Procedure-related characteristics

 Zero-X group (n = 50)Conventional group (n = 50)P-value
Ablation lesion
 PVI, n (%)50 (100.0%)50 (100.0%)1.000
 Cavotricuspid isthmus, n (%)9 (18.0%)11 (22.0%)0.617
Procedure-related time, min
 Procedure time, min70.1 ± 11.271.9 ± 15.40.722
 Ablation time, min25.5 ± 4.825.4 ± 5.60.926
 LA indwelling time, min53.9 ± 7.955.9 ± 11.60.324
 Fluoroscopic time, min0.008 ± 0.069.0 ± 6.9<0.001
Fluoroscopic exposure, mGy0.02 ± 0.1329.4 ± 22.9<0.001
LA pressure
 Systolic pressure, mmHg15.9 ± 6.413.9 ± 5.30.115
 Diastolic pressure, mmHg3.5 ± 3.42.6 ± 2.00.109
 Mean pressure, mmHg8.8 ± 4.17.4 ± 3.20.062
Any complication, n (%)3 (6.0%)2 (4.0%)1.000
 Zero-X group (n = 50)Conventional group (n = 50)P-value
Ablation lesion
 PVI, n (%)50 (100.0%)50 (100.0%)1.000
 Cavotricuspid isthmus, n (%)9 (18.0%)11 (22.0%)0.617
Procedure-related time, min
 Procedure time, min70.1 ± 11.271.9 ± 15.40.722
 Ablation time, min25.5 ± 4.825.4 ± 5.60.926
 LA indwelling time, min53.9 ± 7.955.9 ± 11.60.324
 Fluoroscopic time, min0.008 ± 0.069.0 ± 6.9<0.001
Fluoroscopic exposure, mGy0.02 ± 0.1329.4 ± 22.9<0.001
LA pressure
 Systolic pressure, mmHg15.9 ± 6.413.9 ± 5.30.115
 Diastolic pressure, mmHg3.5 ± 3.42.6 ± 2.00.109
 Mean pressure, mmHg8.8 ± 4.17.4 ± 3.20.062
Any complication, n (%)3 (6.0%)2 (4.0%)1.000

LA, left atrium; PVI, pulmonary vein isolation.

Table 2

Procedure-related characteristics

 Zero-X group (n = 50)Conventional group (n = 50)P-value
Ablation lesion
 PVI, n (%)50 (100.0%)50 (100.0%)1.000
 Cavotricuspid isthmus, n (%)9 (18.0%)11 (22.0%)0.617
Procedure-related time, min
 Procedure time, min70.1 ± 11.271.9 ± 15.40.722
 Ablation time, min25.5 ± 4.825.4 ± 5.60.926
 LA indwelling time, min53.9 ± 7.955.9 ± 11.60.324
 Fluoroscopic time, min0.008 ± 0.069.0 ± 6.9<0.001
Fluoroscopic exposure, mGy0.02 ± 0.1329.4 ± 22.9<0.001
LA pressure
 Systolic pressure, mmHg15.9 ± 6.413.9 ± 5.30.115
 Diastolic pressure, mmHg3.5 ± 3.42.6 ± 2.00.109
 Mean pressure, mmHg8.8 ± 4.17.4 ± 3.20.062
Any complication, n (%)3 (6.0%)2 (4.0%)1.000
 Zero-X group (n = 50)Conventional group (n = 50)P-value
Ablation lesion
 PVI, n (%)50 (100.0%)50 (100.0%)1.000
 Cavotricuspid isthmus, n (%)9 (18.0%)11 (22.0%)0.617
Procedure-related time, min
 Procedure time, min70.1 ± 11.271.9 ± 15.40.722
 Ablation time, min25.5 ± 4.825.4 ± 5.60.926
 LA indwelling time, min53.9 ± 7.955.9 ± 11.60.324
 Fluoroscopic time, min0.008 ± 0.069.0 ± 6.9<0.001
Fluoroscopic exposure, mGy0.02 ± 0.1329.4 ± 22.9<0.001
LA pressure
 Systolic pressure, mmHg15.9 ± 6.413.9 ± 5.30.115
 Diastolic pressure, mmHg3.5 ± 3.42.6 ± 2.00.109
 Mean pressure, mmHg8.8 ± 4.17.4 ± 3.20.062
Any complication, n (%)3 (6.0%)2 (4.0%)1.000

LA, left atrium; PVI, pulmonary vein isolation.

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