Long-term outcomes of left atrial appendage closure with or without concomitant pulmonary vein isolation:a propensity score matching analysis based on CLACBAC study
Background The combined procedure of left atrial appendage closure (LAAC) with concomitant pulmonary vein isolation (PVI) has demonstrated its efficacy and safety. However, there is still a lack of comparative investigations regarding the long-term benefits of the combined procedure when compared to LAAC alone. Our study aims to assess the long-term outcomes of combined procedure of LAAC with concomitant PVI in comparison with a propensity matched LAAC alone group. Methods Propensity score matching (PSM) was employed to rectify covariate imbalances, resulting in the inclusion of 153 comparable patients from the initial cohort of 333 non-valvular atrial fibrillation (AF) patients. Clinical outcomes, encompassing thrombotic events, major cardiocerebrovascular adverse events (MACCE), re-hospitalization due to cardiovascular disease (CVD), and atrial tachycardia (AT), were juxtaposed between the two groups. Bleeding events and peri-device complications, such as residual flow, device-related thrombus, and device replacement, were also compared. Additionally, a patients group underwent PVI alone was included for comparing AF recurrence rates between the PVI alone group and the combined group. Results Following PSM, 153 patients (mean age 70.3 ± 8.9, 62.7% men) were included, with 102 undergoing the combined procedure and 51 undergoing LAAC alone. No significant differences were found in baseline characteristics between the two groups. The mean follow-up time was 37.6 ± 7.9 months, and two patients were lost to follow-up in the combined procedure group. Thrombotic events were observed in 4 (7.8%) patients in the LAAC alone group and 4 (4.0%) in the combined group (Log-rank p = 0.301). The proportion of patients experiencing MACCE, re-hospitalization due to CVD, and AT between the two groups was comparable, as were bleeding events and peri-device complications. Among patients from the combined procedure group without AF recurrence, a significant difference was noted in prior-procedure left ventricular ejection fraction (LVEF) and LVEF at the 12th month after the procedure (57.2% ± 7.1% vs. 60.5% ± 6.5%, p = 0.002). Conclusion The concomitant PVI and LAAC procedure did not increase procedure-related complications, nor did it confer significant benefits in preventing thrombotic events or reducing other cardiovascular events. However, the combined procedure improved heart function, suggesting potential long-term benefits..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
BMC cardiovascular disorders - 24(2024), 1 vom: 03. Feb. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Xiang [VerfasserIn] |
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| Links: |
Volltext [kostenfrei] |
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| Themen: |
Atrial fibrillation |
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| Anmerkungen: |
© The Author(s) 2024 |
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| doi: |
10.1186/s12872-024-03725-1 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
SPR054640989 |
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| 100 | 1 | |a Li, Xiang |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Long-term outcomes of left atrial appendage closure with or without concomitant pulmonary vein isolation:a propensity score matching analysis based on CLACBAC study |
| 264 | 1 | |c 2024 | |
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| 520 | |a Background The combined procedure of left atrial appendage closure (LAAC) with concomitant pulmonary vein isolation (PVI) has demonstrated its efficacy and safety. However, there is still a lack of comparative investigations regarding the long-term benefits of the combined procedure when compared to LAAC alone. Our study aims to assess the long-term outcomes of combined procedure of LAAC with concomitant PVI in comparison with a propensity matched LAAC alone group. Methods Propensity score matching (PSM) was employed to rectify covariate imbalances, resulting in the inclusion of 153 comparable patients from the initial cohort of 333 non-valvular atrial fibrillation (AF) patients. Clinical outcomes, encompassing thrombotic events, major cardiocerebrovascular adverse events (MACCE), re-hospitalization due to cardiovascular disease (CVD), and atrial tachycardia (AT), were juxtaposed between the two groups. Bleeding events and peri-device complications, such as residual flow, device-related thrombus, and device replacement, were also compared. Additionally, a patients group underwent PVI alone was included for comparing AF recurrence rates between the PVI alone group and the combined group. Results Following PSM, 153 patients (mean age 70.3 ± 8.9, 62.7% men) were included, with 102 undergoing the combined procedure and 51 undergoing LAAC alone. No significant differences were found in baseline characteristics between the two groups. The mean follow-up time was 37.6 ± 7.9 months, and two patients were lost to follow-up in the combined procedure group. Thrombotic events were observed in 4 (7.8%) patients in the LAAC alone group and 4 (4.0%) in the combined group (Log-rank p = 0.301). The proportion of patients experiencing MACCE, re-hospitalization due to CVD, and AT between the two groups was comparable, as were bleeding events and peri-device complications. Among patients from the combined procedure group without AF recurrence, a significant difference was noted in prior-procedure left ventricular ejection fraction (LVEF) and LVEF at the 12th month after the procedure (57.2% ± 7.1% vs. 60.5% ± 6.5%, p = 0.002). Conclusion The concomitant PVI and LAAC procedure did not increase procedure-related complications, nor did it confer significant benefits in preventing thrombotic events or reducing other cardiovascular events. However, the combined procedure improved heart function, suggesting potential long-term benefits. | ||
| 650 | 4 | |a Atrial fibrillation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Pulmonary vein ablation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Left atrial appendage closure |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Propensity matching study |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Long-term benefits |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Feng, Shiyu |4 aut | |
| 700 | 1 | |a Ren, Zhongyuan |4 aut | |
| 700 | 1 | |a Wu, Jiayu |4 aut | |
| 700 | 1 | |a Zhou, Lili |4 aut | |
| 700 | 1 | |a Yang, Haotian |4 aut | |
| 700 | 1 | |a Zheng, Yixing |4 aut | |
| 700 | 1 | |a Meng, Weilun |4 aut | |
| 700 | 1 | |a Zhang, Jun |4 aut | |
| 700 | 1 | |a Su, Yang |4 aut | |
| 700 | 1 | |a Jiang, Yan |4 aut | |
| 700 | 1 | |a Xu, Jun |4 aut | |
| 700 | 1 | |a Sun, Hui |4 aut | |
| 700 | 1 | |a Xu, Yawei |4 aut | |
| 700 | 1 | |a Zhao, Dongdong |4 aut | |
| 700 | 1 | |a Yin, Xiaobing |4 aut | |
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