Background: The "1-3-6-12-day rule" for starting direct oral anticoagulants (DOACs) in patients with nonvalvular atrial fibrillation after acute ischemic stroke or transient ischemic attack recommends timings that may be later than used in clinical practice. We investigated more practical optimal timing of DOAC initiation according to stroke severity. Methods: The combined data of prospective registries in Japan, Stroke Acute Management with Urgent Risk-factor Assessment and Improvement-nonvalvular atrial fibrillation (September 2011 to March 2014) and RELAXED (February 2014 to April 2016) were used. Patients were divided into transient ischemic attack and 3 stroke subgroups by the National Institutes of Health Stroke Scale score: mild (0-7), moderate (8-15), and severe (>= 16). The early treatment group was defined as patients starting DOACs earlier than the median initiation day in each subgroup. Outcomes included a composite of recurrent stroke or systemic embolism, ischemic stroke, and severe bleeding within 90 days. Six European prospective registries were used for validation. Results: In the 1797 derivation cohort patients, DOACs were started at median 2 days after transient ischemic attack and 3, 4, and 5 days after mild, moderate, and severe strokes, respectively. Stroke or systemic embolism was less common in Early Group (n=785)-initiating DOACS within 1, 2, 3, and 4 days, respectively-than Late Group (n=1012) (1.9% versus 3.9%; adjusted hazard ratio, 0.50 [95% CI, 0.27-0.89]), as was ischemic stroke (1.7% versus 3.2%, 0.54 [0.27-0.999]). Major bleeding was similarly common in the 2 groups (0.8% versus 1.0%). On validation, both ischemic stroke (2.4% versus 2.2%) and intracranial hemorrhage (0.2% versus 0.6%) were similarly common in Early (n=547) and Late (n=1483) Groups defined using derivation data. Conclusions: In Japanese and European populations, early DOAC initiation within 1, 2, 3, or 4 days according to stroke severity seemed to be feasible to decrease the risk of recurrent stroke or systemic embolism and no increase in major bleeding. These findings support ongoing randomized trials to better establish the optimal timing of DOAC initiation.

Practical “1-2-3-4-Day” Rule for Starting Direct Oral Anticoagulants After Ischemic Stroke With Atrial Fibrillation: Combined Hospital-Based Cohort Study / Kimura, Shunsuke; Toyoda, Kazunori; Yoshimura, Sohei; Minematsu, Kazuo; Yasaka, Masahiro; Paciaroni, Maurizio; Werring, David J.; Yamagami, Hiroshi; Nagao, Takehiko; Yoshimura, Shinichi; Polymeris, Alexandros; Zietz, Annaelle; Engelter, Stefan T.; Kallmünzer, Bernd; Cappellari, Manuel; Chiba, Tetsuya; Yoshimoto, Takeshi; Shiozawa, Masayuki; Kitazono, Takanari; Koga, Masatoshi; Todo, Kenichi; Kimura, Kazumi; Yagita, Yoshiki; Furui, Eisuke; Itabashi, Ryo; Terasaki, Tadashi; Shiokawa, Yoshiaki; Hirano, Teruyuki; Kamiyama, Kenji; Nakagawara, Jyoji; Takizawa, Shunya; Homma, Kazunari; Okuda, Satoshi; Okada, Yasushi; Tokunaga, Keisuke; Kameda, Tomoaki; Kario, Kazuomi; Nagakane, Yoshinari; Hasegawa, Yasuhiro; Akiyama, Hisanao; Shibuya, Satoshi; Mochizuki, Hiroshi; Ito, Yasuhiro; Nakashima, Takahiro; Matsuoka, Hideki; Takamatsu, Kazuhiro; Nishiyama, Kazutoshi; Sato, Shoichiro; Arihiro, Shoji; Inoue, Manabu; Takagi, Masahito; Tanaka, Kanta; Nagatsuka, Kazuyuki; Yamaguchi, Takenori; Hasegawa, Yasuhiro; Hashimoto, Yoichiro; Houkin, Kiyohiro; Kimura, Kazumi; Kitagawa, Kazuo; Matsumoto, Masayasu; Okada, Yasushi; Okuda, Satoshi; Tanahashi, Norio; Terayama, Yasuo; Uchiyama, Shinichiro; Mori, Etsuro; Furukawa, Yutaka; Kimura, Takeshi; Kumon, Yoshiaki; Nagata, Ken; Nogawa, Shigeru; Sakamoto, Tomohiro; Hirano, Teruyuki; Hirai, Toshinori; Kudo, Kohsuke; Sasaki, Makoto; Kobayashi, Shotai; Hamasaki, Toshimitsu; Giustozzi, Michela; Acciarresi, Monica; Agnelli, Giancarlo; Caso, Valeria; Bandini, Fabio; Tsivgoulis, Georgios; Yaghi, Shadi; Furie, Karen L.; Tadi, Prasanna; Becattini, Cecilia; Zedde, Marialuisa; Abdul-Rahim, Azmil H; Lees, Kennedy R; Alberti, Andrea; Venti, Michele; D'Amore, Cataldo; Giulia Mosconi, Maria; Anna Cimini, Ludovica; Bovi, Paolo; Carletti, Monica; Rigatelli, Alberto; Putaala, Jukka; Tomppo, Liisa; Tatlisumak, Turgut; Marcheselli, Simona; Pezzini, Alessandro; Poli, Loris; Padovani, Alessandro; 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; Chondrogianni, Maria; Mumoli, Nicola; Galati, Franco; Sacco, Simona; Tiseo, Cindy; Corea, Francesco; Ageno, Walter; Bellesini, Marta; Colombo, Giovanna; Silvestrelli, Giorgio; Ciccone, Alfonso; Lanari, Alessia; Scoditti, Umberto; Denti, Licia; Mancuso, Michelangelo; Maccarrone, Miriam; Ulivi, Leonardo; Orlandi, Giovanni; Giannini, Nicola; Tassinari, Tiziana; De Lodovici, Maria Luisa; Rueckert, Christina; Baldi, Antonio; Toni, Danilo; Letteri, Federica; Giuntini, Martina; Lotti, Enrico Maria; Flomin, Yuriy; Pieroni, Alessio; Kargiotis, Odysseas; Karapanayiotides, Theodore; Monaco, Serena; Baronello, Mario Maimone; Csiba, Laszló; Szabó, Lilla; Chiti, Alberto; Giorli, Elisa; Del Sette, Massimo; Imberti, Davide; Zabzuni, Dorjan; Doronin, Boris; Volodina, Vera; Michel, Patrik; Vanacker, Peter; Barlinn, Kristian; Pallesen, Lars-Peder; Barlinn, Jessica; Deleu, Dirk; Melikyan, Gayane; Ibrahim, Faisal; Akhtar, Naveed; Gourbali, Vanessa; Masotti, Luca; Parry-Jones, Adrian; Patterson, Chris; Price, Christopher; Elmarimi, Abduelbaset; Parry, Anthea; Nallasivam, Arumug; Mohd Nor, Azlisham; Esis, Bernard; Bruce, David; Roffe, Christine; Holmes, Clare; Cohen, David; Hargroves, David; Mangion, David; Chadha, Dinesh; Vahidassr, Djamil; Manawadu, Dulka; Giallombardo, Elio; Warburton, Elizabeth; Flossman, Enrico; Gunathilagan, Gunaratam; Proschel, Harald; Emsley, Hedley; Anwar, Ijaz; Okwera, James; Putterill, Janet; O'Connell, Janice; Bamford, John; Corrigan, John; Scott, Jon; Birns, Jonathan; Kee, Karen; Saastamoinen, Kari; Pasco, Kath; Dani, Krishna; Sekaran, Lakshmanan; Choy, Lillian; Iveson, Liz; Mamun, Maam; Sajid, Mahmud; Cooper, Martin; Burn, Matthew; Smith, Matthew; Power, Michael; Davis, Michelle; Smyth, Nigel; Veltkamp, Roland; Sharma, Pankaj; Guyler, Paul; O'Mahony, Paul; Wilkinson, Peter; Datta, Prabel; Aghoram, Prasanna; Marsh, Rachel; Luder, Robert; Meenakishundaram, Sanjeevikumar; Subramonian, Santhosh; Leach, Simon; Ispoglou, Sissi; Andole, Sreeman; England, Timothy; Manoj, Aravindakshan; Harrington, Frances; Rehman, Habib; Sword, Jane; Staals, Julie; Mahawish, Karim; Harkness, Kirsty; Shaw, Louise; Mccormich, Michael; Sprigg, Nikola; Mansoor, Syed; Krishnamurthy, Vinodh; Lyrer, Philippe A; Bonati, Leo H; Seiffge, David J; Traenka, Christopher; Peters, Nils; De Marchis, Gian Marco; Thilemann, Sebastian; Avramiotis, Nikolaos S; Gensicke, Henrik; Hert, Lisa; Wagner, Benjamin; Schaub, Fabian; Meya, Louisa; Fladt, Joachim; Dittrich, Tolga; Fisch, Urs; Bonetti, Bruno; Bovi, Paolo; Tomelleri, Giampaolo; Micheletti, Nicola; Zivelonghi, Cecilia; Emiliani, Andrea; Macha, Kosmas; Siedler, Gabriela; Stoll, Svenja; Wang, Ruihao; Volbers, Bastian; Schwab, Stefan; Haupenthal, David; Gaßmann, Luise. - In: STROKE. - ISSN 0039-2499. - 53:5(2022), pp. 1540-1549. [10.1161/strokeaha.121.036695]

Practical “1-2-3-4-Day” Rule for Starting Direct Oral Anticoagulants After Ischemic Stroke With Atrial Fibrillation: Combined Hospital-Based Cohort Study

Pezzini, Alessandro
Membro del Collaboration Group
;
2022-01-01

Abstract

Background: The "1-3-6-12-day rule" for starting direct oral anticoagulants (DOACs) in patients with nonvalvular atrial fibrillation after acute ischemic stroke or transient ischemic attack recommends timings that may be later than used in clinical practice. We investigated more practical optimal timing of DOAC initiation according to stroke severity. Methods: The combined data of prospective registries in Japan, Stroke Acute Management with Urgent Risk-factor Assessment and Improvement-nonvalvular atrial fibrillation (September 2011 to March 2014) and RELAXED (February 2014 to April 2016) were used. Patients were divided into transient ischemic attack and 3 stroke subgroups by the National Institutes of Health Stroke Scale score: mild (0-7), moderate (8-15), and severe (>= 16). The early treatment group was defined as patients starting DOACs earlier than the median initiation day in each subgroup. Outcomes included a composite of recurrent stroke or systemic embolism, ischemic stroke, and severe bleeding within 90 days. Six European prospective registries were used for validation. Results: In the 1797 derivation cohort patients, DOACs were started at median 2 days after transient ischemic attack and 3, 4, and 5 days after mild, moderate, and severe strokes, respectively. Stroke or systemic embolism was less common in Early Group (n=785)-initiating DOACS within 1, 2, 3, and 4 days, respectively-than Late Group (n=1012) (1.9% versus 3.9%; adjusted hazard ratio, 0.50 [95% CI, 0.27-0.89]), as was ischemic stroke (1.7% versus 3.2%, 0.54 [0.27-0.999]). Major bleeding was similarly common in the 2 groups (0.8% versus 1.0%). On validation, both ischemic stroke (2.4% versus 2.2%) and intracranial hemorrhage (0.2% versus 0.6%) were similarly common in Early (n=547) and Late (n=1483) Groups defined using derivation data. Conclusions: In Japanese and European populations, early DOAC initiation within 1, 2, 3, or 4 days according to stroke severity seemed to be feasible to decrease the risk of recurrent stroke or systemic embolism and no increase in major bleeding. These findings support ongoing randomized trials to better establish the optimal timing of DOAC initiation.
2022
Practical “1-2-3-4-Day” Rule for Starting Direct Oral Anticoagulants After Ischemic Stroke With Atrial Fibrillation: Combined Hospital-Based Cohort Study / Kimura, Shunsuke; Toyoda, Kazunori; Yoshimura, Sohei; Minematsu, Kazuo; Yasaka, Masahiro; Paciaroni, Maurizio; Werring, David J.; Yamagami, Hiroshi; Nagao, Takehiko; Yoshimura, Shinichi; Polymeris, Alexandros; Zietz, Annaelle; Engelter, Stefan T.; Kallmünzer, Bernd; Cappellari, Manuel; Chiba, Tetsuya; Yoshimoto, Takeshi; Shiozawa, Masayuki; Kitazono, Takanari; Koga, Masatoshi; Todo, Kenichi; Kimura, Kazumi; Yagita, Yoshiki; Furui, Eisuke; Itabashi, Ryo; Terasaki, Tadashi; Shiokawa, Yoshiaki; Hirano, Teruyuki; Kamiyama, Kenji; Nakagawara, Jyoji; Takizawa, Shunya; Homma, Kazunari; Okuda, Satoshi; Okada, Yasushi; Tokunaga, Keisuke; Kameda, Tomoaki; Kario, Kazuomi; Nagakane, Yoshinari; Hasegawa, Yasuhiro; Akiyama, Hisanao; Shibuya, Satoshi; Mochizuki, Hiroshi; Ito, Yasuhiro; Nakashima, Takahiro; Matsuoka, Hideki; Takamatsu, Kazuhiro; Nishiyama, Kazutoshi; Sato, Shoichiro; Arihiro, Shoji; Inoue, Manabu; Takagi, Masahito; Tanaka, Kanta; Nagatsuka, Kazuyuki; Yamaguchi, Takenori; Hasegawa, Yasuhiro; Hashimoto, Yoichiro; Houkin, Kiyohiro; Kimura, Kazumi; Kitagawa, Kazuo; Matsumoto, Masayasu; Okada, Yasushi; Okuda, Satoshi; Tanahashi, Norio; Terayama, Yasuo; Uchiyama, Shinichiro; Mori, Etsuro; Furukawa, Yutaka; Kimura, Takeshi; Kumon, Yoshiaki; Nagata, Ken; Nogawa, Shigeru; Sakamoto, Tomohiro; Hirano, Teruyuki; Hirai, Toshinori; Kudo, Kohsuke; Sasaki, Makoto; Kobayashi, Shotai; Hamasaki, Toshimitsu; Giustozzi, Michela; Acciarresi, Monica; Agnelli, Giancarlo; Caso, Valeria; Bandini, Fabio; Tsivgoulis, Georgios; Yaghi, Shadi; Furie, Karen L.; Tadi, Prasanna; Becattini, Cecilia; Zedde, Marialuisa; Abdul-Rahim, Azmil H; Lees, Kennedy R; Alberti, Andrea; Venti, Michele; D'Amore, Cataldo; Giulia Mosconi, Maria; Anna Cimini, Ludovica; Bovi, Paolo; Carletti, Monica; Rigatelli, Alberto; Putaala, Jukka; Tomppo, Liisa; Tatlisumak, Turgut; Marcheselli, Simona; Pezzini, Alessandro; Poli, Loris; Padovani, Alessandro; 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; Chondrogianni, Maria; Mumoli, Nicola; Galati, Franco; Sacco, Simona; Tiseo, Cindy; Corea, Francesco; Ageno, Walter; Bellesini, Marta; Colombo, Giovanna; Silvestrelli, Giorgio; Ciccone, Alfonso; Lanari, Alessia; Scoditti, Umberto; Denti, Licia; Mancuso, Michelangelo; Maccarrone, Miriam; Ulivi, Leonardo; Orlandi, Giovanni; Giannini, Nicola; Tassinari, Tiziana; De Lodovici, Maria Luisa; Rueckert, Christina; Baldi, Antonio; Toni, Danilo; Letteri, Federica; Giuntini, Martina; Lotti, Enrico Maria; Flomin, Yuriy; Pieroni, Alessio; Kargiotis, Odysseas; Karapanayiotides, Theodore; Monaco, Serena; Baronello, Mario Maimone; Csiba, Laszló; Szabó, Lilla; Chiti, Alberto; Giorli, Elisa; Del Sette, Massimo; Imberti, Davide; Zabzuni, Dorjan; Doronin, Boris; Volodina, Vera; Michel, Patrik; Vanacker, Peter; Barlinn, Kristian; Pallesen, Lars-Peder; Barlinn, Jessica; Deleu, Dirk; Melikyan, Gayane; Ibrahim, Faisal; Akhtar, Naveed; Gourbali, Vanessa; Masotti, Luca; Parry-Jones, Adrian; Patterson, Chris; Price, Christopher; Elmarimi, Abduelbaset; Parry, Anthea; Nallasivam, Arumug; Mohd Nor, Azlisham; Esis, Bernard; Bruce, David; Roffe, Christine; Holmes, Clare; Cohen, David; Hargroves, David; Mangion, David; Chadha, Dinesh; Vahidassr, Djamil; Manawadu, Dulka; Giallombardo, Elio; Warburton, Elizabeth; Flossman, Enrico; Gunathilagan, Gunaratam; Proschel, Harald; Emsley, Hedley; Anwar, Ijaz; Okwera, James; Putterill, Janet; O'Connell, Janice; Bamford, John; Corrigan, John; Scott, Jon; Birns, Jonathan; Kee, Karen; Saastamoinen, Kari; Pasco, Kath; Dani, Krishna; Sekaran, Lakshmanan; Choy, Lillian; Iveson, Liz; Mamun, Maam; Sajid, Mahmud; Cooper, Martin; Burn, Matthew; Smith, Matthew; Power, Michael; Davis, Michelle; Smyth, Nigel; Veltkamp, Roland; Sharma, Pankaj; Guyler, Paul; O'Mahony, Paul; Wilkinson, Peter; Datta, Prabel; Aghoram, Prasanna; Marsh, Rachel; Luder, Robert; Meenakishundaram, Sanjeevikumar; Subramonian, Santhosh; Leach, Simon; Ispoglou, Sissi; Andole, Sreeman; England, Timothy; Manoj, Aravindakshan; Harrington, Frances; Rehman, Habib; Sword, Jane; Staals, Julie; Mahawish, Karim; Harkness, Kirsty; Shaw, Louise; Mccormich, Michael; Sprigg, Nikola; Mansoor, Syed; Krishnamurthy, Vinodh; Lyrer, Philippe A; Bonati, Leo H; Seiffge, David J; Traenka, Christopher; Peters, Nils; De Marchis, Gian Marco; Thilemann, Sebastian; Avramiotis, Nikolaos S; Gensicke, Henrik; Hert, Lisa; Wagner, Benjamin; Schaub, Fabian; Meya, Louisa; Fladt, Joachim; Dittrich, Tolga; Fisch, Urs; Bonetti, Bruno; Bovi, Paolo; Tomelleri, Giampaolo; Micheletti, Nicola; Zivelonghi, Cecilia; Emiliani, Andrea; Macha, Kosmas; Siedler, Gabriela; Stoll, Svenja; Wang, Ruihao; Volbers, Bastian; Schwab, Stefan; Haupenthal, David; Gaßmann, Luise. - In: STROKE. - ISSN 0039-2499. - 53:5(2022), pp. 1540-1549. [10.1161/strokeaha.121.036695]
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