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Safouris A, Kargiotis O, Psychogios K, Kalyvas P, Ikonomidis I, Drakopoulou M, Toutouzas K, Tsivgoulis G. A Narrative and Critical Review of Randomized-Controlled Clinical Trials on Patent Foramen Ovale Closure for Reducing the Risk of Stroke Recurrence. Front Neurol 2020; 11:434. [PMID: 32655469 PMCID: PMC7326015 DOI: 10.3389/fneur.2020.00434] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 04/23/2020] [Indexed: 01/03/2023] Open
Abstract
Patent foramen ovale (PFO) is a common cardiac anatomic variant that has been increasingly found in young (<60 years) cryptogenic stroke patients. Despite initial neutral randomized-controlled clinical trials (RCTs), there have been four recent RCTs providing consistent data in favor of the efficacy and safety of PFO closure compared to medical therapy for secondary stroke prevention. However, taking into consideration the high prevalence of PFO, the low risk of stroke recurrence under medical treatment and the uncommon yet severe adverse events of the intervention, patient selection is crucial for attaining meaningful clinical benefits. Thorough workup to exclude alternative causes of stroke and identification of high-risk PFOs through clinical, neuroimaging and echocardiographic criteria are essential. Cost effectiveness of the procedure cannot be proven for the time being, since there are no robust data on clinical outcome after PFO-associated stroke but only limited anecdotal data suggesting low risk for long-term disability.
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Affiliation(s)
| | | | - Klearchos Psychogios
- Stroke Unit, Metropolitan Hospital, Pireus, Greece.,Second Department of Neurology, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Ignatios Ikonomidis
- Department of Echocardiography and Laboratory of Preventive Cardiology, Second Cardiology Department, Attikon Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Drakopoulou
- First Department of Cardiology, Athens School of Medicine, Hippokration Hospital, Athens, Greece
| | - Konstantinos Toutouzas
- First Department of Cardiology, Medical School of Athens University, Hippokration Hospital, Athens, Greece
| | - Georgios Tsivgoulis
- Second Department of Neurology, School of Medicine, Attikon University Hospital, National and Kapodistrian University of Athens, Athens, Greece.,Department of Neurology, University of Tennessee Health Science Center, Memphis, TN, United States
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Katsanos AH, Spence JD, Bogiatzi C, Parissis J, Giannopoulos S, Frogoudaki A, Safouris A, Voumvourakis K, Tsivgoulis G. Recurrent Stroke and Patent Foramen Ovale. Stroke 2014; 45:3352-9. [DOI: 10.1161/strokeaha.114.007109] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Aristeidis H. Katsanos
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - J. David Spence
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - Chrysi Bogiatzi
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - John Parissis
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - Sotirios Giannopoulos
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - Alexandra Frogoudaki
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - Apostolos Safouris
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - Konstantinos Voumvourakis
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
| | - Georgios Tsivgoulis
- From the Department of Neurology, School of Medicine, University of Ioannina, Ioannina, Greece (A.H.K., S.G.); Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, University of Western Ontario, London, Ontario, Canada (J.D.S., C.B.); Second Department of Cardiology (J.P., A.F.) and Second Department of Neurology (K.V., G.T.), Attikon Hospital, School of Medicine, University of Athens, Athens, Greece; Stroke Unit, Department of Neurology, Brugmann University Hospital,
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