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Helal B, Khan J, AlJayar D, Khan MS, Alabdaljabar MS, Asad ZUA, DeSimone CV, Deshmukh A. Risk factors, clinical implications, and management of peridevice leak following left atrial appendage closure: A systematic review. J Interv Card Electrophysiol 2024; 67:865-885. [PMID: 38182966 DOI: 10.1007/s10840-023-01729-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/26/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Left atrial appendage closure (LAAC) is a treatment modality for stroke prevention in patients with atrial fibrillation (AF). One of the potential complications of LAAC is a peri-device leak (PDL), which could potentially increase the risk of thromboembolism formation. METHODS This systematic review was done according to PRISMA guidelines. Using four databases, all primary studies through April 2022 that met selection criteria were included. Outcomes of interest were studies reporting on PDL characteristics, risk factors and management. RESULTS A total of 116 studies met selection criteria (97 original studies and 19 case reports/series). In the original studies (n = 30,133 patients), the weighted mean age was 72.0 ± 7.4 years (57% females) with a HAS-BLED and CHA2DS2-VASc weighted means of 2.8 ± 1.1 and 3.8 ± 1.3, respectively. The most common definition of PDL was based on size; 5 mm: major, 3-5 mm: moderate, < 1 mm minor, or trivial. Follow up time for PDL detection was 7.15 ± 9.0 months. 33% had PDL, irrespective of PDL severity/size, and only 0.9% had PDL of greater than 5 mm. The main risk factors for PDL development included lower degree of over-sizing, lower left ventricular ejection fraction, device/LAA shape mismatch, previous radiofrequency ablation, and male sex. The most common methods to screen for PDL included transesophageal echocardiogram and cardiac CT. PDL Management approaches include Amplatzer Patent Foramen Ovale occluder, Hookless ACP, Amplatzer vascular plug II, embolic coils, and detachable vascular coils; removal or replacement of the device; and left atriotomy. CONCLUSION Following LAAC, the emergence of a PDL is a significant complication to be aware of. Current evidence suggests possible risk factors that are worth assessing in-depth. Additional research is required to assess suitable candidates, timing, and strategies to managing patients with PDL.
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Affiliation(s)
- Baraa Helal
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Jibran Khan
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Dalia AlJayar
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | | | | | - Zain Ul Abideen Asad
- Department of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | | | - Abhishek Deshmukh
- Department of Cardiovascular Medicine, 200 1St Street SW, Rochester, MN, 55905, USA.
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Samaras A, Papazoglou AS, Balomenakis C, Bekiaridou A, Moysidis DV, Patsiou V, Orfanidis A, Giannakoulas G, Kassimis G, Fragakis N, Saw J, Landmesser U, Alkhouli MA, Tzikas A. Residual leaks following percutaneous left atrial appendage occlusion and outcomes: a meta-analysis. Eur Heart J 2024; 45:214-229. [PMID: 38088437 DOI: 10.1093/eurheartj/ehad828] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 10/02/2023] [Accepted: 10/19/2023] [Indexed: 01/15/2024] Open
Abstract
BACKGROUND AND AIMS Residual leaks are not infrequent after left atrial appendage occlusion. However, there is still uncertainty regarding their prognostic implications. The aim of this study is to evaluate the impact of residual leaks after left atrial appendage occlusion. METHODS A literature search was conducted until 19 February 2023. Residual leaks comprised peri-device leaks (PDLs) on transoesophageal echocardiography (TEE) or computed tomography (CT), as well as left atrial appendage patency on CT. Random-effects meta-analyses were performed to assess the clinical impact of residual leaks. RESULTS Overall 48 eligible studies (44 non-randomized/observational and 4 randomized studies) including 61 666 patients with atrial fibrillation who underwent left atrial appendage occlusion were analysed. Peri-device leak by TEE was present in 26.1% of patients. Computed tomography-based left atrial appendage patency and PDL were present in 54.9% and 57.3% of patients, respectively. Transoesophageal echocardiography-based PDL (i.e. any reported PDL regardless of its size) was significantly associated with a higher risk of thromboembolism [pooled odds ratio (pOR) 2.04, 95% confidence interval (CI): 1.52-2.74], all-cause mortality (pOR 1.16, 95% CI: 1.08-1.24), and major bleeding (pOR 1.12, 95% CI: 1.03-1.22), compared with no reported PDL. A positive graded association between PDL size and risk of thromboembolism was noted across TEE cut-offs. For any PDL of >0, >1, >3, and >5 mm, the pORs for thromboembolism were 1.82 (95% CI: 1.35-2.47), 2.13 (95% CI: 1.04-4.35), 4.14 (95% CI: 2.07-8.27), and 4.44 (95% CI: 2.09-9.43), respectively, compared with either no PDL or PDL smaller than each cut-off. Neither left atrial appendage patency, nor PDL by CT was associated with thromboembolism (pOR 1.45 and 1.04, 95% CI: 0.84-2.50 and 0.52-2.07, respectively). CONCLUSIONS Peri-device leak detected by TEE was associated with adverse events, primarily thromboembolism. Residual leaks detected by CT were more frequent but lacked prognostic significance.
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Affiliation(s)
- Athanasios Samaras
- Second Department of Cardiology, Faculty of Health Sciences, School of Medicine, General Hospital 'Hippokration', Aristotle University of Thessaloniki, Konstantinoupoleos 49, Thessaloniki 54642, Greece
| | - Andreas S Papazoglou
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Charalampos Balomenakis
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Alexandra Bekiaridou
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Dimitrios V Moysidis
- Second Department of Cardiology, Faculty of Health Sciences, School of Medicine, General Hospital 'Hippokration', Aristotle University of Thessaloniki, Konstantinoupoleos 49, Thessaloniki 54642, Greece
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Vasiliki Patsiou
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
- First Department of Cardiology, Faculty of Health Sciences, School of Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Antonios Orfanidis
- Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - George Giannakoulas
- First Department of Cardiology, Faculty of Health Sciences, School of Medicine, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - George Kassimis
- Second Department of Cardiology, Faculty of Health Sciences, School of Medicine, General Hospital 'Hippokration', Aristotle University of Thessaloniki, Konstantinoupoleos 49, Thessaloniki 54642, Greece
| | - Nikolaos Fragakis
- Second Department of Cardiology, Faculty of Health Sciences, School of Medicine, General Hospital 'Hippokration', Aristotle University of Thessaloniki, Konstantinoupoleos 49, Thessaloniki 54642, Greece
| | - Jacqueline Saw
- Division of Cardiology, Vancouver General Hospital, University of British Columbia, Vancouver, Canada
| | - Ulf Landmesser
- Department of Cardiology, Charité Universitätsmedizin, Berlin, Germany
| | | | - Apostolos Tzikas
- Second Department of Cardiology, Faculty of Health Sciences, School of Medicine, General Hospital 'Hippokration', Aristotle University of Thessaloniki, Konstantinoupoleos 49, Thessaloniki 54642, Greece
- European Interbalkan Medical Center, Department of Cardiology, Asklipiou 10, Pylaia, Thessaloniki 57001, Greece
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Zhou Q, Liu X, Yang X, Huang XH, Wu YZ, Tao YY, Wei M. Effectiveness and safety of short-term anticoagulant regimens after left atrial appendage occlusion: A systematic review and meta-analysis. Thromb Res 2024; 233:88-98. [PMID: 38035647 DOI: 10.1016/j.thromres.2023.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 10/12/2023] [Accepted: 10/24/2023] [Indexed: 12/02/2023]
Abstract
INTRODUCTION Left atrial appendage occlusion (LAAO) provides an alternative for poor candidates of long-term oral anticoagulant (OAC) therapy; however, anticoagulant therapy after surgical procedures has limited use due to associated uncertainties. We aimed to evaluate the effectiveness and safety of the short-term use of direct oral anticoagulant (DOAC) and warfarin after LAAO. METHOD Electronic databases such as PubMed, Embase, Medline, and Cochrane Library databases were searched up to November 11, 2022. Our study compared DOAC therapy and warfarin in patients after LAAO. A meta-analysis was conducted with the Review Manager software (version 5.4). RESULTS The meta-analysis included 13 cohort studies with a total of 32,607 patients. Our findings indicated that the incidence of stroke/TIA/SE, peri-device leaks>5 mm, device-related thrombosis, and all-cause mortality were not significantly different between the two groups after LAAO (P > 0.05). The DOAC group had a significantly lower incidence of major bleeding (OR = 0.83, 95 % CI: 0.74-0.94, P = 0.003), any bleeding (OR = 0.34, 95 % CI: 0.23-0.51, P < 0.001), stroke/TIA/SE and major bleeding (OR = 0.57, 95 % CI: 0.34-0.95, P = 0.03), and any major adverse event (OR = 0.89, 95 % CI:0.82-0.97, P = 0.010) than the warfarin group. The subgroup analysis revealed that the rate of stroke/TIA/SE was similar in the two groups in terms of the different regions, follow-up time, study type, anticoagulant strategy, and bleeding risk. The incidence of major bleeding in the DOAC group was significantly lower than that in the warfarin group in North America, as well as at follow-up period ≤6 months, retrospective cohort, HAS-BLED average score ≥ 3. In addition, the risk of major bleeding was higher with the combination of OAC and single antiplatelet therapy (SAPT) than with OAC alone. Finally, in the North American region, retrospective cohort, and HAS-BLED average score ≥ 3, the incidence of any serious adverse event in the DOAC group was still significantly lower than that in the warfarin group. CONCLUSION Compared to warfarin, DOAC reduced the risk of major bleeding and any serious adverse event in patients after LAAO. This advantage was particularly notable in North America and high-risk populations for bleeding. In addition, the incidence of device-related thrombosis, peri-device leaks, stroke/TIA/SE and all-cause mortality were similar in both groups. The risk of major bleeding was lower in patients taking OAC alone compared with those taking OAC plus SAPT, without increasing the risk of thrombosis.
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Affiliation(s)
- Qiang Zhou
- Department of Clinical Pharmacy, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xiang Liu
- Department of Pharmacy and Traditional Chinese Pharmacy, Jiangsu College of Nursing, Huaian, China
| | - Xian Yang
- Department of Pharmacy, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xiao-Hui Huang
- Department of Clinical Pharmacy, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Yan-Zi Wu
- Department of Clinical Pharmacy, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Ying-Ying Tao
- Department of Clinical Pharmacy, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Meng Wei
- Department of Clinical Pharmacy, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China.
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Sun B, Chen RR, Gao C, Tao L. Comparison of outcomes between novel oral anticoagulants and warfarin monotherapy in patients with left atrial appendage closure: A systematic review and meta-analysis. Front Cardiovasc Med 2022; 9:1023941. [PMID: 36352853 PMCID: PMC9639703 DOI: 10.3389/fcvm.2022.1023941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 10/06/2022] [Indexed: 11/23/2022] Open
Abstract
Background Pivotal trials of percutaneous left atrial appendage closure (LAAC) used dedicated post-procedure antithrombotic protocols. However, there is no consensus on the selection of new oral anticoagulants (NOAC) and warfarin monotherapy after LAAC. This study aims to compare NOAC with warfarin monotherapy for efficacy and safety in patients undergoing LAAC. Methods A database search was conducted using PubMed, EMBASE, Cochrane Library, and Clinicaltrials.gov for trials that compared NOAC with warfarin monotherapy after LAAC. The effective outcomes included any major adverse events (all-cause death, stroke, major bleeding) and their individual components. Safety outcomes included all-cause death, major bleeding, total bleeding, DRT, and PDL >5 mm. Results We included 10 non-randomized clinical trials with 10,337 patients, of whom 4,960 patients received NOAC, while 5,377 patients received warfarin. There were no statistically significant differences in any major adverse events (LogOR: −0.11, 95% CI: −0.27, 0.04, P = 0.16), stroke (LogOR: 0.00, 95% CI: −0.42, 0.42, P = 1.00), all-cause death (LogOR: −0.23, 95% CI: −0.48, 0.02, P = 0.07), major bleeding (LogOR: −0.22, 95% CI: −0.45, 0.01, P = 0.06). NOAC was associated with a significant reduction in total bleeding (LogOR: −1.01, 95% CI: −1.47, −0.55, P < 0.0001) compared to warfarin. No statistically significant differences were found in DRT (LogOR: −0.19, 95% CI: −0.15, 0.52, P = 0.27) and PDL >5 mm (LogOR: 0.19, 95% CI: −0.33, 0.72, P = 0.47). Meta-regression and subgroup analysis showed that total bleeding (LogOR: −1.56, 95% CI: −2.15, −0.97, P < 0.001) was significantly lower in the NOAC group in the subgroup of <75 y. Conclusion After LAAC, NOAC monotherapy was associated with a lower risk of bleeding compared to warfarin monotherapy for 45 days. There was no significant difference between NOAC and warfarin in terms of other results. Systematic review registration www.york.ac.uk/inst/crd, identifier: CRD42022361244.
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Affiliation(s)
- Bing Sun
- Department of Cardiology, Xijing Hospital, Air Force Medical University, Xi'an, China
| | - Rui Rui Chen
- Department of Cardiology, Tangdu Hospital, Air Force Medical University, Xi'an, China
| | - Chao Gao
- Department of Cardiology, Xijing Hospital, Air Force Medical University, Xi'an, China
- *Correspondence: Chao Gao
| | - Ling Tao
- Department of Cardiology, Xijing Hospital, Air Force Medical University, Xi'an, China
- Ling Tao
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Direct Oral Anticoagulant Versus Warfarin After Left Atrial Appendage Closure With WATCHMAN: Updated Systematic Review and Meta-analysis. Curr Probl Cardiol 2022; 47:101335. [PMID: 35872052 DOI: 10.1016/j.cpcardiol.2022.101335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 07/17/2022] [Indexed: 12/23/2022]
Abstract
BACKGROUND In the pivotal WATCHMAN trials, warfarin was used for post-procedural anticoagulation in the first 45 days after left atrial appendage closure. We aimed to investigate the efficacy and safety of direct oral anticoagulant (DOAC) versus warfarin after WATCHMAN. METHODS We performed a literature search of five electronic databases to identify studies comparing DOAC with warfarin after WATCHMAN. We pooled outcomes for the efficacy (thromboembolism, device-related thrombus [DRT], peri-device leak [PDL] >5mm) and safety endpoints (bleeding, mortality). Thromboembolism was defined as ischemic stroke, transient ischemic attack, or systemic embolism. RESULTS We included 10 cohort studies with 2,440 patients, of whom 1,397 (57.3%) received DOAC. Concerning peri-procedural outcomes (within 7 days following implantation), DOAC was associated with a reduction in major bleeding (Risk ratio [RR] 0.32; 95% confidence interval [CI] 0.11-0.92) compared with warfarin, without significant differences in all bleeding (RR 0.46; 95% CI 0.15-1.42) and thromboembolism (RR 0.93; 95% CI 0.21-4.16). On first follow-up transesophageal echocardiography, DRT (RR 0.79; 95% CI 0.39-1.60) and PDL>5mm (RR 0.44; 95% CI 0.16-1.20) were comparable among groups. With a mean follow-up of 1.5-12 months, DOAC was associated with reductions in major bleeding (RR 0.52; 95% CI 0.30-0.89) and all bleeding (RR 0.38; 95% CI 0.25-0.58) compared with warfarin. The outcomes of thromboembolism (RR 0.79; 95% CI 0.36-1.73) and all-cause mortality (RR 0.49; 95% CI 0.19-1.28) were not significantly different between the two groups. CONCLUSION Following WATCHMAN implantation, DOAC was associated with reductions in major bleeding and all bleeding compared with warfarin at mid-term follow-up. The outcomes of thromboembolism, all-cause mortality, DRT, and PDL >5mm were comparable among groups.
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Tan BEX, Rao M, Baibhav B, Chuprun D, Shah A, Bhatt DL, Depta JP. Safety and Efficacy of Direct Oral Anticoagulants Versus Warfarin Following WATCHMAN in High-Risk Patients. JOURNAL OF THE SOCIETY FOR CARDIOVASCULAR ANGIOGRAPHY & INTERVENTIONS 2022; 1:100042. [PMID: 39131954 PMCID: PMC11307383 DOI: 10.1016/j.jscai.2022.100042] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 02/11/2022] [Accepted: 03/07/2022] [Indexed: 08/13/2024]
Abstract
Background In the pivotal WATCHMAN trials, warfarin was used exclusively for postprocedural anticoagulation following left atrial appendage closure. We sought to investigate the safety and efficacy of direct oral anticoagulants (DOACs) in high-risk patients with atrial fibrillation who underwent left atrial appendage closure with WATCHMAN. Methods This was a retrospective study of 318 patients who underwent the WATCHMAN procedure in a tertiary referral center (June 2016-September 2020). We compared the outcomes of patients who were discharged on DOACs versus warfarin after the WATCHMAN procedure. The primary outcome was the composite of any bleeding, thromboembolism, or cardiovascular death through 7 days and 45 days after the procedure. Results The final analysis included 301 patients, of whom 82.4% (248/301) were discharged on DOACs and 17.6% (53/301) were discharged on warfarin. The mean CHA2DS2-VASc and HAS-BLED scores were 4.9 ± 1.6 and 2.9 ± 0.9, respectively. The primary composite outcome was similar between the DOAC and warfarin groups through 7 days (3.2% vs 5.6%; adjusted odds ratio [OR], 0.65; 95% confidence interval [CI], 0.13-3.17; P = .59) and 45 days after procedure (10.1% vs 11.3%; adjusted OR, 1.18; 95% CI, 0.41-3.45; P = .76). Major bleeding (5.2% vs 9.5%; P = .34) and all-cause readmission (12.5% vs 16.9%; P = .85) at 45 days were comparable between the DOAC and warfarin groups. The overall incidence of device-related thrombus and significant peri-device flow at 45 days were low (<0.5%). Conclusions In high-risk patients with atrial fibrillation, the primary composite outcome of any bleeding, thromboembolism, or cardiovascular death through 7 days and 45 days following WATCHMAN implantation was similar in patients receiving DOACs versus warfarin.
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Affiliation(s)
- Bryan E-Xin Tan
- Department of Internal Medicine, Rochester General Hospital, Rochester, New York
| | - Mohan Rao
- Sands-Constellation Heart Institute, Rochester Regional Health, Rochester, New York
| | - Bipul Baibhav
- Sands-Constellation Heart Institute, Rochester Regional Health, Rochester, New York
| | - Dmitry Chuprun
- Sands-Constellation Heart Institute, Rochester Regional Health, Rochester, New York
| | - Abrar Shah
- Sands-Constellation Heart Institute, Rochester Regional Health, Rochester, New York
| | - Deepak L. Bhatt
- Brigham and Women’s Hospital Heart & Vascular Center, Harvard Medical School, Boston, Massachusetts
| | - Jeremiah P. Depta
- Sands-Constellation Heart Institute, Rochester Regional Health, Rochester, New York
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