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Safouris A, Psychogios K, Palaiodimou L, Orosz P, Magoufis G, Kargiotis O, Theodorou A, Karapanayiotides T, Spiliopoulos S, Nardai S, Sarraj A, Nguyen TN, Yaghi S, Walter S, Sacco S, Turc G, Tsivgoulis G. Update of Anticoagulation Use in Cardioembolic Stroke With a Special Reference to Endovascular Treatment. J Stroke 2024; 26:13-25. [PMID: 38326704 PMCID: PMC10850459 DOI: 10.5853/jos.2023.01578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 11/30/2023] [Accepted: 12/04/2023] [Indexed: 02/09/2024] Open
Abstract
Cardioembolic stroke is a major cause of morbidity, with a high risk of recurrence, and anticoagulation represents the mainstay of secondary stroke prevention in most patients. The implementation of endovascular treatment in routine clinical practice complicates the decision to initiate anticoagulation, especially in patients with early hemorrhagic transformation who are considered at higher risk of hematoma expansion. Late hemorrhagic transformation in the days and weeks following stroke remains a potentially serious complication for which we still do not have any established clinical or radiological prediction tools. The optimal time to initiate therapy is challenging to define since delaying effective secondary prevention treatment exposes patients to the risk of recurrent embolism. Consequently, there is clinical equipoise to define and individualize the optimal timepoint to initiate anticoagulation combining the lowest risk of hemorrhagic transformation and ischemic recurrence in cardioembolic stroke patients. In this narrative review, we will highlight and critically outline recent observational and randomized relevant evidence in different subtypes of cardioembolic stroke with a special focus on anticoagulation initiation following endovascular treatment. We will refer mainly to the commonest cause of cardioembolism, non-valvular atrial fibrillation, and examine the possible risk and benefit of anticoagulation before, during, and shortly after the acute phase of stroke. Other indications of anticoagulation after ischemic stroke will be briefly discussed. We provide a synthesis of available data to help clinicians individualize the timing of initiation of oral anticoagulation based on the presence and extent of hemorrhagic transformation as well as stroke severity.
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Affiliation(s)
- Apostolos Safouris
- Stroke Unit, Metropolitan Hospital, Piraeus, Greece
- Second Department of Neurology, “Attikon” University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Department of Neurointerventions, National Institute of Mental Health, Neurology and Neurosurgery, Semmelweis University, Department of Neurosurgery, Budapest, Hungary
| | | | - Lina Palaiodimou
- Second Department of Neurology, “Attikon” University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Peter Orosz
- Department of Neurointerventions, National Institute of Mental Health, Neurology and Neurosurgery, Semmelweis University, Department of Neurosurgery, Budapest, Hungary
| | - George Magoufis
- Interventional Neuroradiology Unit, Metropolitan Hospital, Piraeus, Greece
- Second Department of Radiology, Interventional Radiology Unit, “Attikon” University Hospital, Athens, Greece
| | | | - Aikaterini Theodorou
- Second Department of Neurology, “Attikon” University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodore Karapanayiotides
- Second Department of Neurology, AHEPA University Hospital, Aristotle University of Thessaloniki, School of Medicine, Thessaloniki, Greece
| | - Stavros Spiliopoulos
- Second Department of Radiology, Interventional Radiology Unit, “Attikon” University Hospital, Athens, Greece
| | - Sándor Nardai
- Department of Neurointerventions, National Institute of Mental Health, Neurology and Neurosurgery, Semmelweis University, Department of Neurosurgery, Budapest, Hungary
| | - Amrou Sarraj
- Department of Neurology, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Thanh N. Nguyen
- Department of Neurology and Radiology, Boston Medical Center, Boston University Chobanian and Avedisian School of Medicine, Boston, MA, USA
| | - Shadi Yaghi
- Department of Neurology, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, RI, USA
| | - Silke Walter
- Department of Neurology, Saarland University Medical Centre, Homburg, Germany
| | - Simona Sacco
- Department of Applied Clinical Sciences and Biotechnology, University of L’Aquila, L’Aquila, Italy
| | - Guillaume Turc
- Department of Neurology, GHU Paris Psychiatrie et Neurosciences, Paris, France
- INSERM U1266, Paris, France
- FHU Neurovasc, Paris, France
- Université Paris Cité, Paris, France
| | - Georgios Tsivgoulis
- Second Department of Neurology, “Attikon” University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Department of Neurology, University of Tennessee Health Science Center, Memphis, TN, USA
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