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CHA2DS2-VASC-AF2 score accurately predicts moderate-to-severe acute neurological dysfunction in the course of first ever ischemic stroke
Stroke remains one of the leading causes of death and serious long-term disability worldwide [1]. Cardio-embolic stroke, most frequently related to atrial fibrillation (AF), is associated with a high risk of severe psychomotor disability and high stroke-related mortality rate [2]. The commonly applied CHA2DS2-VASC score properly identifies patients at a very low risk of stroke who do not require long-term anticoagulation [3]. Apart from its high predictive value in terms of stroke risk stratification, pre-admission CHA2DS2-VASC score has been recently shown to reflect the actual severity of stroke, once it occurs [4 –5].
Source: International Journal of Cardiology - November 11, 2016 Category: Cardiology Authors: Maciej T. Wybraniec, Maciej Faryan, B łażej Kusz, Anetta Lasek-Bal, Katarzyna Mizia-Stec Tags: Correspondence Source Type: research

New-onset atrial fibrillation in patients with elevated troponin I levels in the acute phase of stroke
Troponin I (TnI) increase in the acute phase of stroke may be due to the presence of acute coronary syndrome (ACS), other medical conditions and/or neurogenic-induced cardiac injury, especially in stroke involving the insula of the right brain hemisphere [1]. In this case, damage to cardiomyocytes is probably due to the rapid release of catecholamines into the bloodstream as a result of sympathoadrenal activation [2,3]. The consequences of cardiac injury may include new-onset arrhythmias, such as multifocal ventricular beats, couplets and unsustained ventricular tachycardia or atrial fibrillation (AF) [3].
Source: International Journal of Cardiology - May 25, 2015 Category: Cardiology Authors: Anetta Lasek-Bal, Zbigniew Gąsior, Teresa Kowalewska-Twardela, Tomasz Urbanek Source Type: research