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Chow JK, Bagai A, Tan MK, Har BJ, Yip AMC, Paniagua M, Elbarouni B, Bainey KR, Paradis JM, Maranda R, Cantor WJ, Eisenberg MJ, Dery JP, Madan M, Cieza T, Matteau A, Roth S, Lavi S, Glanz A, Gao D, Tahiliani R, Welsh RC, Kim HH, Robinson SD, Daneault B, Chong AY, Le May MR, Ahooja V, Gregoire JC, Nadeau PL, Laksman Z, Heilbron B, Yung D, Minhas K, Bourgeois R, Overgaard CB, Bonakdar H, Logsetty G, Lavoie AJ, De LaRochelliere R, Mansour S, Spindler C, Yan AT, Goodman SG. Antithrombotic therapies in Canadian atrial fibrillation patients with concomitant coronary artery disease: Insights from the CONNECT AF + PCI-II program. J Cardiol 2023; 82:153-161. [PMID: 36931433 DOI: 10.1016/j.jjcc.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 03/19/2023]
Abstract
BACKGROUND Selecting the appropriate antithrombotic regimen for patients with atrial fibrillation (AF) who have undergone percutaneous coronary intervention (PCI) or have had medically managed acute coronary syndrome (ACS) remains complex. This multi-centre observational study evaluated patterns of antithrombotic therapies utilized among Canadian patients with AF post-PCI or ACS. METHODS AND RESULTS By retrospective chart audit, 611 non-valvular AF patients [median (interquartile range) age 76 (69-83) years, CHADS2 score 2 (1-3)] who underwent PCI or had medically managed ACS between August 2018 and December 2020 were identified by 68 cardiologists across eight provinces in Canada. Overall, triple antithrombotic therapy [TAT: combined oral anticoagulation (OAC) and dual antiplatelet therapy (DAPT)] was the most common initial antithrombotic strategy, with use in 53.8 % of patients, followed by dual pathway therapy (32.7 % received OAC and a P2Y12 inhibitor, and 4.1 % received OAC and aspirin) and DAPT (9.3 %). Median duration of TAT was 30 (7, 30) days. Compared to the previous CONNECT AF + PCI-I program, there was an increased use of dual pathway therapy relative to TAT over time (P-value <.0001). DOACs (direct oral anticoagulants) represented 90.3 % of all OACs used overall, with apixaban being the most utilized (50.5 %). Proton pump inhibitors were used in 57.0 % of all patients, and 70.1 % of patients on ASA. Planned antithrombotic therapies at 1 year were: 76.2 % OAC monotherapy, 8.3 % OAC + ASA, 7.9 % OAC + P2Y12 inhibitor, 4.3 % DAPT, 1.3 % ASA alone, and <1 % triple therapy. CONCLUSION In accordance with recent Canadian Cardiovascular Society guideline recommendations, we observed an increased use of dual pathway therapy relative to TAT over time in both AF patients post-PCI (elective and emergent) and in those with medically managed ACS. Additionally, DOACs have become the prevailing form of anticoagulation across all antithrombotic regimens. Our findings suggest that Canadian physicians are integrating evidence-based approaches to optimally manage the bleeding and thrombotic risks of AF patients post-PCI and/or ACS.
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Affiliation(s)
| | - Akshay Bagai
- University of Toronto, Toronto, Canada; St Michael's Hospital, Toronto, Canada
| | - Mary K Tan
- Canadian Heart Research Centre, Toronto, Canada
| | - Bryan J Har
- Libin Cardiovascular Institute, University of Calgary, Calgary, Canada
| | | | | | - Basem Elbarouni
- St Boniface Hospital, University of Manitoba, Winnipeg, Canada
| | - Kevin R Bainey
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Canada
| | - Jean-Michel Paradis
- Institut universitaire de cardiologie et de pneumologie de Québec, Laval University, Quebec, Canada
| | | | - Warren J Cantor
- University of Toronto, Toronto, Canada; Southlake Regional Health Centre, Newmarket, Canada
| | | | - Jean-Pierre Dery
- Institut universitaire de cardiologie et de pneumologie de Québec, Laval University, Quebec, Canada
| | - Mina Madan
- University of Toronto, Toronto, Canada; Schulich Heart Centre, Sunnybrook Health Sciences Centre, Toronto, Canada
| | - Tomas Cieza
- Institut universitaire de cardiologie et de pneumologie de Québec, Laval University, Quebec, Canada
| | - Alexis Matteau
- Centre hospitalier de l'université de Montréal (CHUM), Montreal, Canada
| | - Sherryn Roth
- Schulich Heart Centre, Sunnybrook Health Sciences Centre, Toronto, Canada; Scarborough Health Network, Toronto, Canada
| | | | | | | | - Ravi Tahiliani
- Central East Regional Cardiac Care Program, Oshawa, Canada
| | - Robert C Welsh
- Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Canada
| | - Hahn Hoe Kim
- St. Mary's General Hospital, Kitchener-Waterloo, Canada
| | - Simon D Robinson
- Royal Jubilee Hospital, University of British Columbia, Victoria, Canada
| | - Benoit Daneault
- Centre hospitalier Universitaire de Sherbrooke, Sherbrooke University, Sherbrooke, Canada
| | | | | | | | | | | | | | - Brett Heilbron
- University of British Columbia, Vancouver, Canada; St. Paul's Hospital, Vancouver, Canada
| | - Derek Yung
- Scarborough Health Network, Toronto, Canada
| | - Kunal Minhas
- St Boniface Hospital, University of Manitoba, Winnipeg, Canada
| | - Ronald Bourgeois
- Moncton Hospital, Dalhousie University Faculty of Medicine, Moncton, Canada
| | | | - Hamid Bonakdar
- St Boniface Hospital, University of Manitoba, Winnipeg, Canada
| | | | - Andrea J Lavoie
- Regina General Hospital - Prairie Vascular Research Network, Regina, Canada
| | - Robert De LaRochelliere
- Institut universitaire de cardiologie et de pneumologie de Québec, Laval University, Quebec, Canada
| | - Samer Mansour
- Centre hospitalier de l'université de Montréal (CHUM), Montreal, Canada
| | | | - Andrew T Yan
- University of Toronto, Toronto, Canada; St Michael's Hospital, Toronto, Canada.
| | - Shaun G Goodman
- University of Toronto, Toronto, Canada; St Michael's Hospital, Toronto, Canada; Canadian Heart Research Centre, Toronto, Canada.
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Goodman S, Bagai A, Tan M, Andrade J, Spindler C, Malek-Marzban P, Har B, Yip A, Paniagua M, Elbarouni B, Bainey K, Paradis J, Maranda R, Cantor W, Doucet M, Khan R, Eisenberg M, Dery J, Schwalm J, Madan M, Lam A, Hameed A, Noronha L, Cieza T, Matteau A, Roth S, So D, Lavi S, Glanz A, Gao D, Tahiliani R, Welsh R, Kim H, Robinson S, Daneault B, Chong A, Le May M, Ahooja V, Gregoire J, Nadeau P, Laksman Z, Heilbron B, Bonakdar H, Yung D, Yan A. ANTITHROMBOTIC THERAPIES IN CANADIAN ATRIAL FIBRILLATION PATIENTS WITH CONCOMITANT CORONARY ARTERY DISEASE: INSIGHTS FROM THE CONNECT AF+PCI-I AND -II PROGRAMS. Can J Cardiol 2021. [DOI: 10.1016/j.cjca.2021.07.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Emkanjoo Z, Alihasani N, Alizadeh A, Tayyebi M, Bonakdar H, Barakpour H, Sadr-Ameli MA. Electrical storm in patients with implantable cardioverter-defibrillators: can it be forecast? Tex Heart Inst J 2009; 36:563-567. [PMID: 20069082 PMCID: PMC2801945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The aim of this retrospective study was to determine the prevalence and predictors of electrical storm in 227 patients who had received implantable cardioverter-defibrillators (ICDs) and had been monitored for 31.7 +/- 15.6 months. Of these, 174 (77%) were men. The mean age was 55.8 +/- 15.5 years (range, 20-85 yr), and the mean left ventricular ejection fraction (LVEF) was 0.30 +/- 0.14. One hundred forty-six of the patients (64%) had underlying coronary artery disease. Cardioverter-defibrillators were implanted for secondary (80%) and primary (20%) prevention. Of the 227 patients, 117 (52%) experienced events that required ICD therapy. Thirty patients (mean age, 57.26 +/- 14.3 yr) had > or = 3 episodes requiring ICD therapy in a 24-hour period and were considered to have electrical storm. The mean number of events was 12.75 +/- 15 per patient. Arrhythmia-clustering occurred an average of 6.1 +/- 6.7 months after ICD implantation. Clinical variables with the most significant association with electrical storm were low LVEF (P = 0.04; hazard ratio of 0.261, and 95% confidence interval of 0.08-0.86) and higher use of class IA antiarrhythmic drugs (P = 0.018, hazard ratio of 3.84, and 95% confidence interval of 1.47-10.05). Amiodarone treatment and use of beta-blockers were not significant predictors when subjected to multivariate analysis. We conclude that electrical storm is most likely to occur in patients with lower LVEF and that the use of Class IA antiarrhythmic drugs is a risk factor.
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Affiliation(s)
- Zahra Emkanjoo
- Department of Pacemaker & Electrophysiology, Rajaie Cardiovascular Medical & Research Center, Tehran 1996911151, Iran.
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