Comparison of long-term and short-term antiplatelet therapy after endovascular closure of patent foramen ovale: a meta-analysis of clinical trial data
- Authors: Tereshchenko A.S.1, Merkulov E.V.1, Chashchin M.G.2,3, Grishin N.S.1, Strelkova A.V.3,4, Azimova M.R.1, Komarov A.L.1
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Affiliations:
- Chazov National Medical Research Center of Cardiology
- Clinic KDTs
- National Research Center for Therapy and Preventive Medicine
- Odintsovo Regional Hospital
- Issue: Vol 96, No 12 (2024): VARIO (РАЗНОЕ)
- Pages: 1151-1160
- Section: Original articles
- URL: https://journals.rcsi.science/0040-3660/article/view/280690
- DOI: https://doi.org/10.26442/00403660.2024.12.203004
- ID: 280690
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Abstract
Background. Administration of antiplatelet therapy (APT) is the basis for the prevention of thrombotic complications after endovascular closure of patent foramen ovale (PFO). The 2018 European consensus document on the management of patients with PFO recommended long-term APT. Dual antiplatelet therapy was prescribed for 6 months followed by acetylsalicylic acid (ASC) monotherapy for up to 5 years. Subsequent clinical trials demonstrated a trend towards shorter APT due to the risk of ASC-associated bleeding. In 2022, the SCAI society recommended limiting the duration of APT to 5 months. However, the evidence base is insufficient.
Aim. To compare the efficacy and safety of shortened and prolonged APT regimens after endovascular closure of PFO.
Materials and methods. Data were searched for the period from January 2017 to May 2024. The primary endpoint was defined as the development of recurrent ischemic stroke (IS). The development of major bleeding was selected as the secondary endpoint. The combined endpoint (CEP) included all-cause death, IS, transient ischemic attack, peripheral thrombosis, myocardial infarction, and major bleeding.
Results. Eighty-nine sources were analyzed, of which 3 studies with a total sample of 1870 patients were included in the meta-analysis, which included 731 and 1139 patients with shortened and prolonged APT, respectively. Fatal outcome was recorded in 7 patients receiving abbreviated APT and 6 patients receiving prolonged APT. Patients in both groups had a comparable risk of mortality (RR 1.97; 95% CI 0.59–6.57; p=0.24; I2=29%). Similar results were obtained for the risk of TIA (RR 1.02; 95% CI 0.43 to 2.42; p=0.41; I2=0%), for the risk of IS (RR 1.01; 95% CI 0.41–2.49; p=0.59; I2=0%), and for minor bleeding (RR 0.81; 95% CI 0.49–1.34; p=0.24; I2=29%). CEP was achieved in 26 patients receiving abbreviated APT and 39 patients receiving prolonged APT; the risk of CEP did not significantly differ between combined endpoints (RR 1.04; 95% CI 0.63–1.72; p=0.15; I2=48%).
Discussion. The results of the meta-analysis showed that there was no statistical difference between abbreviated and prolonged APT in terms of efficacy and safety, which is consistent with previous clinical studies.
Conclusion. Abbreviated APT can be considered as the strategy of choice in patients at high risk of bleeding and in the absence of risk factors for thromboembolism. Conducting new studies will make it possible to accurately determine the duration of APT and develop clinical recommendations with a convincing evidence base.
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##article.viewOnOriginalSite##About the authors
Andrew S. Tereshchenko
Chazov National Medical Research Center of Cardiology
Author for correspondence.
Email: Andrew034@yandex.ru
ORCID iD: 0000-0002-4198-0522
канд. мед. наук, ст. науч. сотр.
Russian Federation, MoscowEvgeny V. Merkulov
Chazov National Medical Research Center of Cardiology
Email: Andrew034@yandex.ru
ORCID iD: 0000-0001-8193-8575
д-р мед. наук, гл. науч. сотр.
Russian Federation, MoscowMikhail G. Chashchin
Clinic KDTs; National Research Center for Therapy and Preventive Medicine
Email: Andrew034@yandex.ru
ORCID iD: 0000-0001-6292-3837
канд. мед. наук, рук. липидной клиники КДЦ, врач-кардиолог/нутрициолог, липидолог, врач функциональной диагностики ФГБУ «НМИЦ терапии и профилактической медицины»
Russian Federation, Moscow; MoscowNikita S. Grishin
Chazov National Medical Research Center of Cardiology
Email: Andrew034@yandex.ru
ординатор
Russian Federation, MoscowAnna V. Strelkova
National Research Center for Therapy and Preventive Medicine; Odintsovo Regional Hospital
Email: Andrew034@yandex.ru
канд. мед. наук, мл. науч. сотр. лаб. микроциркуляции и регионарного кровообращения ФГБУ «НМИЦ терапии и профилактической медицины», врач по рентгенэндоваскулярной диагностике и лечению ГБУЗ МО «Одинцовская областная больница»
Russian Federation, Moscow; OdintsovoMakka R. Azimova
Chazov National Medical Research Center of Cardiology
Email: Andrew034@yandex.ru
врач-кардиолог
Russian Federation, MoscowAndrey L. Komarov
Chazov National Medical Research Center of Cardiology
Email: Andrew034@yandex.ru
ORCID iD: 0000-0001-9141-103X
д-р мед. наук, вед. науч. сотр.
Russian Federation, MoscowReferences
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