CO23 | Markers of inflammation and hypofibrinolysis are associated with cognitive dysfunction and motor performances in atrial fibrillation patients on oral anticoagulant therapy: insights from the Strat-AF study
F. Alfano1,2, F. Cesari1,2, A.M. Gori1,2, M. Berteotti1,2, E. Salvadori3, B. Giusti1,2, A. Bertelli1,2, F. Fratini4, A. Rogolino1,2, B. Formelli4,5, F. Pescini4,5, E. Fainardi6, E. Barucci4, G. Salti5, A. Cavaliere4, A. Ginestroni6, A. Poggesi4,5, R. Marcucci1,2 | 1Department of Experimental and Clinical Medicine, University of Firenze; 2Center for Atherothrombotic Diseases, Careggi University Hospital, Firenze; 3Department of Biomedical and Clinical Sciences, University of Milan; 4NEUROFARBA Department, Neuroscience Section, University of Firenze; 5Stroke Unit, Careggi University Hospital, Firenze; 6Neuroradiology Unit, Careggi University Hospital, Department of Experimental and Clinical Biomedical Sciences, University of Firenze, Italy
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Background: Atrial fibrillation (AF) is the most common supraventricular arrythmia and one of the most commonly encountered heart conditions in clinical practice. Emerging evidence suggests a significant role of inflammation in the pathogenesis of AF. Population studies have also suggested an association between AF and cognitive impairment and dementia. The aim of this study is therefore to assess, in a population of AF patients on oral anticoagulant therapy, the association between circulating biomarkers involved in the pathogenesis of AF and the cognitive and motor performances of the enrolled patients.
Methods: The Strat-AF study is an observational, prospective, single-center, hospital-based study enrolling elderly patients with AF. Results refer to 180 subjects who underwent a complete clinical, biohumoral, cognitive, and functional evaluation.
Results: At multivariate logistic regression, Clot Lysis Time (CLT) and circulating levels of von Willebrand Factor (vWF) remained significantly associated with pathological performances at the Stroop test (expressed as execution time) [OR 95% CI 1.54 (1.02–2.35), p=0.042 and 1.75 (1.08–2.82), p=0.023, respectively]. With regard to the Short Physical Performance Battery (SPPB), the circulating levels of IL-8 remained significantly associated with the clinical endpoint [OR 95% CI 2.19 (1.13–4.25), p=0.020].
Conclusions: Our results suggest a potential innovative tool able to identify AF patients at risk of worse prognosis in terms of cognitive and motor performances. The clinical relevance of these results is due to the fact that we have no efficient methods to predict a deterioration in the cognitive performance and, consequently, the possible onset of dementia in AF patients undergoing oral anticoagulant therapy.
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