Timing of initiation of oral anticoagulants in patients with acute ischemic stroke and atrial fibrillation comparing posterior and anterior circulation strokes.
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Paciaroni Maurizio, Agnelli Giancarlo, Giustozzi Michela, Tsivgoulis Georgios, Yaghi Shadi, Mac Grory Brian, Furie Karen L, Tadi Prasanna, Zedde Marialuisa, Abdul-Rahim Azmil H, Dawson Jesse, Lees Kennedy R, Alberti Andrea, Venti Michele, Acciarresi Monica, D'Amore Cataldo, Mosconi Maria Giulia, Bogini Valentina, Cappellari Manuel, Rigatelli Alberto, Bonetti Bruno, Putaala Jukka, Tomppo Liisa, Tatlisumak Turgut, Bandini Fabio, Marcheselli Simona, Pezzini Alessandro, Poli Loris, Padovani Alessandro, Masotti Luca, Grifoni Elisa, Vannucchi Vieri, Sohn Sung-Il, Lorenzini Gianni, Tassi Rossana, Guideri Francesca, Acampa Maurizio, Martini Giuseppe, Ntaios George, Athanasakis George, Makaritsis Konstantinos, Karagkiozi Efstathia, Vadikolias Konstantinos, Liantinioti Chrissoula, Palaiodimou Lina, Mumoli Nicola, Porta Cesare, Galati Franco, Sacco Simona, Tiseo Cindy, Corea Francesco, Ageno Walter, Bellesini Marta, Silvestrelli Giorgio, Ciccone Alfonso, Scoditti Umberto, Denti Licia, Mancuso Michelangelo, Caselli Maria C, Maccarrone Miriam, Ulivi Leonardo, Orlandi Giovanni, Giannini Nicola, Tassinari Tiziana, Lodovici Maria L De, Rueckert Christina, Baldi Antonio, Toni Danilo, Gentile Luana, Letteri Federica, Giuntini Martina, Lotti Enrico M, Flomin Yuriy, Pieroni Alessio, Kargiotis Odysseas, Karapanayiotides Theodore, Monaco Serena, Mannino Marina, Baronello Mario M, Csiba Laszló, Szabó Lilla, Chiti Alberto, Giorli Elisa, Sette Massimo Del, Schirinzi Erika, Imberti Davide, Zabzuni Dorjan, Doronin Boris, Volodina Vera, Michel Patrik, Eskandari Ashraf, Vanacker Peter, Barlinn Kristian, Barlinn Jessica, Deleu Dirk, Gourbali Vanessa, Caso Valeria
Аннотация
MATERIALS AND METHODS: Patients with PS were prospectively included; the outcome events of these patients were compared with those of patients with anterior stroke (AS) which were taken from previous registries. The primary outcome was the composite of stroke recurrence, transient ischaemic attack, symptomatic systemic embolism, symptomatic cerebral bleeding and major extracranial bleeding occurring within 90 days from acute stroke.
RESULTS: A total of 2470 patients were available for the analysis: 473 (19.1%) with PS and 1997 (80.9%) with AS. Over 90 days, 213 (8.6%) primary outcome events were recorded: 175 (8.7%) in patients with AS and 38 (8.0%) in those with PS. In patients who initiated OAT within 2 days, the primary outcome occurred in 5 out of 95 patients (5.3%) with PS compared to 21 out of 373 patients (4.3%) with AS (OR 1.07; 95% CI 0.39-2.94). In patients who initiated OAT between days 3 and 7, the primary outcome occurred in 3 out of 103 patients (2.9%) with PS compared to 26 out of 490 patients (5.3%) with AS (OR 0.54; 95% CI 0.16-1.80).
DISCUSSION: our findings suggest that, when deciding the time to initiate oral anticoagulation, the location of stroke, either anterior or posterior, does not predict the risk of outcome events.
CONCLUSIONS: Patients with PS or AS and AF appear to have similar risks of ischaemic or haemorrhagic events at 90 days with no difference concerning the timing of initiation of OAT.