Novel Radiofrequency Balloon Catheter - Impact of Ablation Parameters on Single-Shot Isolation
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Novel Radiofrequency Balloon Catheter - Impact of Ablation Parameters on Single-Shot Isolation. / My, Ilaria; Bordignon, Stefano; Butt, Mahi; Rottner, Laura; Marc, Lemoine; Moser, Fabian; Wenzel, Jan-Per; Obergassel, Julius; Schleberger, Ruben; Moser, Julia; Dinshaw, Leon; Kirchhof, Paulus; Reissmann, Bruno; Ouyang, Feifan; Chun, Kyoung-Ryul Julian; Schmidt, Boris; Rillig, Andreas; Metzner, Andreas.
In: CIRC J, Vol. 87, No. 7, 23.06.2023, p. 950-956.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Novel Radiofrequency Balloon Catheter - Impact of Ablation Parameters on Single-Shot Isolation
AU - My, Ilaria
AU - Bordignon, Stefano
AU - Butt, Mahi
AU - Rottner, Laura
AU - Marc, Lemoine
AU - Moser, Fabian
AU - Wenzel, Jan-Per
AU - Obergassel, Julius
AU - Schleberger, Ruben
AU - Moser, Julia
AU - Dinshaw, Leon
AU - Kirchhof, Paulus
AU - Reissmann, Bruno
AU - Ouyang, Feifan
AU - Chun, Kyoung-Ryul Julian
AU - Schmidt, Boris
AU - Rillig, Andreas
AU - Metzner, Andreas
PY - 2023/6/23
Y1 - 2023/6/23
N2 - BACKGROUND: A novel multielectrode radiofrequency balloon (RFB) catheter has been released for pulmonary vein isolation (PVI).Methods and Results: In this observational study consecutive patients with drug-refractory paroxysmal or persistent atrial fibrillation (AF) undergoing first-time PVI were enrolled in 2 high-volume ablation centers. All procedures were conducted in conjunction with a 3D-mapping system. Clinical, procedural and ablation parameters were systematically analyzed. 105 patients (58% male; 52% paroxysmal AF, 68±11.3 years mean age, left atrial volume index 38.6±14.8 mL/m2) were included. 241/412 (58.5%) PVs were successfully isolated with a single shot (SS), with a time-to-isolation of 11.6±8 s. Total number of radiofrequency applications was 892 (mean 2.2/PV), resulting in successful isolation of 408/412 (99%) PVs at the end of the procedure. Mean electrodes' impedance drop was significantly higher in the SS-PVI compared with non-SS applications (21.5±6.6 vs. 18.6±6.5 Ohm). Concordantly, higher temperature rise was observed in the SS vs. non-SS applications (10.9±4.9℃ vs. 9.6±4.7℃).CONCLUSIONS: In this multicenter real-world study, mean impedance drop and temperature rise were associated with successful SS-PVI applying the novel RFB catheter. These parameters may help to guide efficient usage of the new RF balloon.
AB - BACKGROUND: A novel multielectrode radiofrequency balloon (RFB) catheter has been released for pulmonary vein isolation (PVI).Methods and Results: In this observational study consecutive patients with drug-refractory paroxysmal or persistent atrial fibrillation (AF) undergoing first-time PVI were enrolled in 2 high-volume ablation centers. All procedures were conducted in conjunction with a 3D-mapping system. Clinical, procedural and ablation parameters were systematically analyzed. 105 patients (58% male; 52% paroxysmal AF, 68±11.3 years mean age, left atrial volume index 38.6±14.8 mL/m2) were included. 241/412 (58.5%) PVs were successfully isolated with a single shot (SS), with a time-to-isolation of 11.6±8 s. Total number of radiofrequency applications was 892 (mean 2.2/PV), resulting in successful isolation of 408/412 (99%) PVs at the end of the procedure. Mean electrodes' impedance drop was significantly higher in the SS-PVI compared with non-SS applications (21.5±6.6 vs. 18.6±6.5 Ohm). Concordantly, higher temperature rise was observed in the SS vs. non-SS applications (10.9±4.9℃ vs. 9.6±4.7℃).CONCLUSIONS: In this multicenter real-world study, mean impedance drop and temperature rise were associated with successful SS-PVI applying the novel RFB catheter. These parameters may help to guide efficient usage of the new RF balloon.
U2 - 10.1253/circj.CJ-23-0220
DO - 10.1253/circj.CJ-23-0220
M3 - SCORING: Journal article
C2 - 37286488
VL - 87
SP - 950
EP - 956
JO - CIRC J
JF - CIRC J
SN - 1346-9843
IS - 7
ER -