• 20-year trends of characteristics and outcomes of stroke patients with atrial fibrillation 

      Ntaios G., Sagris D., Gioulekas F., Galanis P., Pardali C., Vemmou A., Koroboki E., Papavasileiou V., Vassilopoulou S., Manios E., Makaritsis K., Spengos K., Mitsikostas D.-D., Milionis H., Vemmos K. (2018)
      Background: The accurate knowledge of secular trends in prevalence, characteristics and outcomes of patients with ischemic stroke and atrial fibrillation allows better projections into the future. Aim: We aimed to report ...
    • Access of stroke patients' to optimal healthcare technology in Greece: Messages to policy makers 

      Siskou O., Korompoki E., Ntaios G., Tsampalas E., Alexopoulou H., Kalliontzakis I., Kouridaki A., Tountopoulou A., Kouzi I., Vasilopoulou S., Milionis H., Evaggelou H., Karagkiozi E., Hatzitolios A.I., Savopoulos C., Myrou A., Manios E., Mavraganis G., Vemmou A., Kaitelidou D., Galanis P., Papastefanatos S., Konstantakopoulou O., Karagkouni I., Vemmos K. (2020)
      The aim of this study was to evaluate accessibility of stroke patients to optimal healthcare technology in Greece. Methods: The study population consisted of 313 first ever stroke patients derived from the 'Stroke Units ...
    • Adherence to oral anticoagulation in ischemic stroke patients with atrial fibrillation 

      Tiili P., Leventis I., Kinnunen J., Svedjebäck I., Lehto M., Karagkiozi E., Sagris D., Ntaios G., Putaala J. (2021)
      Background: Non-vitamin K antagonist oral anticoagulants (NOAC) have superior safety and comparable efficacy profile compared to vitamin-K antagonists (VKAs), with more convenient dosing schemes. However, issues with ...
    • Age- A nd sex-specific analysis of patients with embolic stroke of undetermined source 

      Ntaios G., Lip G.Y.H., Vemmos K., Koroboki E., Manios E., Vemmou A., Rodríguez-Campello A., Cuadrado-Godia E., Roquer J., Arnao V., Caso V., Paciaroni M., DIez-Tejedor E., Fuentes B., Pérez Lucas J., Arauz A., Ameriso S.F., Pertierra L., Gómez-Schneider M., Hawkes M.A., Bandini F., Chavarria Cano B., Iglesias Mohedano A.M., Garciá Pastor A., Gil-Núñez A., Putaala J., Tatlisumak T., Barboza M.A., Athanasakis G., Gioulekas F., Makaritsis K., Papavasileiou V. (2017)
      Objective: To investigate whether the correlation of age and sex with the risk of recurrence and death seen in patients with previous ischemic stroke is also evident in patients with embolic stroke of undetermined source ...
    • Antiplatelet Resistance in Ischaemic Stroke Patients 

      Spanos K., Kouvelos G., Matsagkas M., Giannoukas A.D. (2017)
      [No abstract available]
    • Aspirin Versus Clopidogrel for Type 2 Diabetic Patients with First-Ever Noncardioembolic Acute Ischemic Stroke: Ten-Year Survival Data from the Athens Stroke Outcome Project 

      Milionis H., Ntaios G., Papavasileiou V., Spengos K., Manios E., Elisaf M., Vemmos K. (2017)
      Background and objective Diabetes mellitus is associated with an increased risk of stroke and poor outcome following a stroke event. We assessed the impact of discharge treatment with aspirin versus clopidogrel on the ...
    • Assessment of the reporting quality of double-blind RCTs for ischemic stroke based on the CONSORT statement 

      Kodounis M., Liampas I.N., Constantinidis T.S., Siokas V., Mentis A.-F.A., Aloizou A.-M., Xiromerisiou G., Zintzaras E., Hadjigeorgiou G.M., Dardiotis E. (2020)
      Background-Purpose: It is critical that Randomized Controlled Trials(RCTs) present complete and transparent reporting. The present study aims to determine the reporting quality of double-blind RCTs for medicinal interventions ...
    • ASTRAL, DRAGON and SEDAN scores predict stroke outcome more accurately than physicians 

      Ntaios G., Gioulekas F., Papavasileiou V., Strbian D., Michel P. (2016)
      Background and purpose: ASTRAL, SEDAN and DRAGON scores are three well-validated scores for stroke outcome prediction. Whether these scores predict stroke outcome more accurately compared with physicians interested in ...
    • Case Series: Bilateral Homonymous Visual Field Defects Due to Bilateral Ischemic Strokes 

      Papageorgiou E., Anthis N., Stathi T., Tsironi E., Asproudis I. (2018)
      SIGNIFICANCE Bilateral strokes are rare and should be considered when patients present with bilateral visual field loss characterized by patterns consistent with right and left-sided homonymous visual field defects. ...
    • Causes and Risk Factors of Cerebral Ischemic Events in Patients with Atrial Fibrillation Treated with Non-Vitamin K Antagonist Oral Anticoagulants for Stroke Prevention: The RENo Study 

      Paciaroni M., Agnelli G., Caso V., Silvestrelli G., Seiffge D.J., Engelter S., De Marchis G.M., Polymeris A., Zedde M.L., Yaghi S., Michel P., Eskandari A., Antonenko K., Sohn S.-I., Cappellari M., Tassinari T., Tassi R., Masotti L., Katsanos A.H., Giannopoulos S., Acciarresi M., Alberti A., Venti M., Mosconi M.G., Vedovati M.C., Pierini P., Giustozzi M., Lotti E.M., Ntaios G., Kargiotis O., Monaco S., Lochner P., Bandini F., Liantinioti C., Palaiodimou L., Abdul-Rahim A.H., Lees K., Mancuso M., Pantoni L., Rosa S., Bertora P., Galliazzo S., Ageno W., Toso E., Angelini F., Chiti A., Orlandi G., Denti L., Flomin Y., Marcheselli S., Mumoli N., Rimoldi A., Verrengia E., Schirinzi E., Del Sette M., Papamichalis P., Komnos A., Popovic N., Zarkov M., Rocco A., Diomedi M., Giorli E., Ciccone A., Grory B.C.M., Furie K.L., Bonetti B., Saia V., Guideri F., Acampa M., Martini G., Grifoni E., Padroni M., Karagkiozi E., Perlepe K., Makaritsis K., Mannino M., MacCarrone M., Ulivi L., Giannini N., Ferrari E., Pezzini A., Doronin B., Volodina V., Baldi A., D'Amore C., Deleu D., Corea F., Putaala J., Santalucia P., Nardi K., Risitano A., Toni D., Tsivgoulis G. (2019)
      Background and Purpose-Despite treatment with oral anticoagulants, patients with nonvalvular atrial fibrillation (AF) may experience ischemic cerebrovascular events. The aims of this case-control study in patients with AF ...
    • Characteristics and Outcomes in Patients with COVID-19 and Acute Ischemic Stroke: The Global COVID-19 Stroke Registry 

      Ntaios G., Michel P., Georgiopoulos G., Guo Y., Li W., Xiong J., Calleja P., Ostos F., González-Ortega G., Fuentes B., Alonso De Leciñana M., Díez-Tejedor E., García-Madrona S., Masjuan J., Defelipe A., Turc G., Gonçalves B., Domigo V., Dan G.-A., Vezeteu R., Christensen H., Christensen L.M., Meden P., Hajdarevic L., Rodriguez-Lopez A., Díaz-Otero F., García-Pastor A., Gil-Nuñez A., Maslias E., Strambo D., Werring D.J., Chandratheva A., Benjamin L., Simister R., Perry R., Beyrouti R., Jabbour P., Sweid A., Tjoumakaris S., Cuadrado-Godia E., Campello A.R., Roquer J., Moreira T., Mazya M.V., Bandini F., Matz K., Iversen H.K., González-Duarte A., Tiu C., Ferrari J., Vosko M.R., Salzer H.J.F., Lamprecht B., Dünser M.W., Cereda C.W., Quintero Á.B.C., Korompoki E., Soriano-Navarro E., Soto-Ramírez L.E., Castañeda-Méndez P.F., Bay-Sansores D., Arauz A., Cano-Nigenda V., Kristoffersen E.S., Tiainen M., Strbian D., Putaala J., Lip G.Y.H. (2020)
      Recent case-series of small size implied a pathophysiological association between coronavirus disease 2019 (COVID-19) and severe large-vessel acute ischemic stroke. Given that severe strokes are typically associated with ...
    • Closure of patent foramen ovale versus medical therapy in patients with cryptogenic stroke or transient ischemic attack: Updated systematic review and meta-analysis 

      Ntaios G., Papavasileiou V., Sagris D., Makaritsis K., Vemmos K., Steiner T., Michel P. (2018)
      Background and Purpose: Previous systematic reviews and meta-analyses compared the efficacy and safety of patent foramen ovale (PFO) closure versus medical treatment in patients with cryptogenic stroke or transient ischemic ...
    • Comparison of Risk Scores for the Prediction of the Overall Cardiovascular Risk in Patients with Ischemic Stroke: The Athens Stroke Registry 

      Georgiopoulos G., Ntaios G., Stamatelopoulos K., Manios E., Korompoki E., Vemmou E., Milionis H., Masi S., Lip G.Y.H., Vemmos K. (2019)
      Background: Stratification of overall vascular risk in patients with ischemic stroke is important as it may guide management decisions. Currently available schemes have only modest prognostic accuracy. The TRA2°P score ...
    • Conjugate eye deviation as predictor of acute cortical and subcortical ischemic brain lesions 

      Kaditis D.G., Zintzaras E., Sali D., Kotoulas G., Papadimitriou A., Hadjigeorgiou G.M. (2016)
      Objectives Non-enhanced computed tomography (NECT) of the brain is used to exclude intracranial hemorrhage in patients who are considered for treatment with tissue plasminogen activator due to stroke symptoms. However, ...
    • COVID-19 and ischemic stroke 

      Sagris D., Papanikolaou A., Kvernland A., Korompoki E., Frontera J.A., Troxel A.B., Gavriatopoulou M., Milionis H., Lip G.Y.H., Michel P., Yaghi S., Ntaios G. (2021)
      Since the onset of the COVID-19 pandemic, a substantial proportion of COVID-19 patients had documented thrombotic complications and ischemic stroke. Several mechanisms related to immune-mediated thrombosis, the renin ...
    • Early recurrence and major bleeding in patients with acute ischemic stroke and atrial fibrillation treated with Non-Vitamin-K oral anticoagulants (RAF-NOACs) Study 

      Paciaroni M., Agnelli G., Falocci N., Tsivgoulis G., Vadikolias K., Liantinioti C., Chondrogianni M., Bovi P., Carletti M., Cappellari M., Zedde M., Ntaios G., Karagkiozi E., Athanasakis G., Makaritsis K., Silvestrelli G., Lanari A., Ciccone A., Putaala J., Tomppo L., Tatlisumak T., Abdul-Rahim A.H., Lees K.R., Alberti A., Venti M., Acciarresi M., D'Amore C., Becattini C., Mosconi M.G., Cimini L.A., Soloperto R., Masotti L., Vannucchi V., Lorenzini G., Tassi R., Guideri F., Acampa M., Martini G., Sohn S.-I., Marcheselli S., Mumoli N., De Lodovici M.L., Bono G., Furie K.L., Tadi P., Yaghi S., Toni D., Letteri F., Tassinari T., Kargiotis O., Lotti E.M., Flomin Y., Mancuso M., Maccarrone M., Giannini N., Bandini F., Pezzini A., Poli L., Padovani A., Scoditti U., Denti L., Consoli D., Galati F., Sacco S., Carolei A., Tiseo C., Gourbali V., Orlandi G., Giuntini M., Chiti A., Giorli E., Gialdini G., Corea F., Ageno W., Bellesini M., Colombo G., Monaco S., Baronello M.M., Karapanayiotides T., Caso V. (2017)
      Background--The optimal timing to administer non-vitamin K oral anticoagulants (NOACs) in patients with acute ischemic stroke and atrial fibrillation is unclear. This prospective observational multicenter study evaluated ...
    • Effectiveness and safety of intracranial events associated with the use of direct oral anticoagulants for atrial fibrillation: A systematic review and meta-analysis of 92 studies 

      Archontakis-Barakakis P., Li W., Kalaitzoglou D., Tzelves L., Manolopoulos A., Giannopoulos S., Giamouzis G., Giannakoulas G., Batsidis A., Palaiodimos L., Ntaios G., Lip G.Y.H., Kokkinidis D.G. (2022)
      Aims: Observational studies have investigated the effectiveness and safety of direct oral anticoagulants (DOACs) and vitamin K antagonists (VKAs) used in nonvalvular atrial fibrillation. We performed a systematic review ...
    • Embolic Stroke 

      Ntaios G., Hart R.G. (2017)
      [No abstract available]
    • Embolic Stroke of Undetermined Source: A Systematic Review and Clinical Update 

      Hart R.G., Catanese L., Perera K.S., Ntaios G., Connolly S.J. (2017)
      Background and Purpose-Embolic stroke of undetermined source (ESUS) designates patients with nonlacunar cryptogenic ischemic strokes in whom embolism is the likely stroke mechanism. It has been hypothesized that anticoagulation ...
    • EndoVAscular treatment and ThRombolysis for Ischemic Stroke Patients (EVA-TRISP) registry: Basis and methodology of a pan-European prospective ischaemic stroke revascularisation treatment registry 

      Nordanstig A., Curtze S., Gensicke H., Zinkstok S.M., Erdur H., Karlsson C., Karlsson J.-E., Martinez-Majander N., Sibolt G., Lyrer P., Traenka C., Baharoglu M.I., Scheitz J.F., Bricout N., Hénon H., Leys D., Eskandari A., Michel P., Hametner C., Ringleb P.A., Arnold M., Fischer U., Sarikaya H., Seiffge D.J., Pezzini A., Zini A., Padjen V., Jovanovic D.R., Luft A., Wegener S., Kellert L., Feil K., Kägi G., Rentzos A., Lappalainen K., Leker R.R., Cohen J.E., Gomori J., Brehm A., Liman J., Psychogios M., Kastrup A., Papanagiotou P., Gralla J., Magoni M., Majoie C.B.L.M., Bohner G., Vukasinovic I., Cvetic V., Weber J., Kulcsar Z., Bendszus M., Möhlenbruch M., Ntaios G., Kapsalaki E., Jood K., Nolte C.H., Nederkoorn P.J.J., Engelter S., Strbian D., Tatlisumak T. (2021)
      Purpose The Thrombolysis in Ischemic Stroke Patients (TRISP) collaboration was a concerted effort initiated in 2010 with the purpose to address relevant research questions about the effectiveness and safety of intravenous ...