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Intracranial hemorrhage (ICH) is characterized by a high level of disability and mortality. One of the most important reasons that lead to an increased risk and an increase in the ICH prevalence are antithrombotic drugs: anticoagulant, antiplatelet and thrombolytic. The main risk factors for ICH are advanced age, arterial hypertension, and the use of antithrombotic drugs of different groups. Treatment of ICH while taking drugs affecting hemostasis, is an extremely difficult task and there is not enough sufficiently convincing recommendations and evidence. The decision to resume therapy with the drug, that led to the development of ICH, and the timing of this resumption, is also not a completely clear problem that requires a balance between ischemic and hemorrhagic complications. The most important aspect of prevention is strict adherence to current recommendations regarding combinations of antithrombotic drugs and protocols for thrombolytic therapy, which will minimize the risks of ICH.
Intracranial hemorrhage (ICH) is characterized by a high level of disability and mortality. One of the most important reasons that lead to an increased risk and an increase in the ICH prevalence are antithrombotic drugs: anticoagulant, antiplatelet and thrombolytic. The main risk factors for ICH are advanced age, arterial hypertension, and the use of antithrombotic drugs of different groups. Treatment of ICH while taking drugs affecting hemostasis, is an extremely difficult task and there is not enough sufficiently convincing recommendations and evidence. The decision to resume therapy with the drug, that led to the development of ICH, and the timing of this resumption, is also not a completely clear problem that requires a balance between ischemic and hemorrhagic complications. The most important aspect of prevention is strict adherence to current recommendations regarding combinations of antithrombotic drugs and protocols for thrombolytic therapy, which will minimize the risks of ICH.
Objective: to study the level of inflammatory biomarkers and growth factors in the peripheral blood of patients with chronic cerebrovascular disease (CCVD) and anamnesis of coronavirus infection COVID-19.Material and methods. The study included patients with CCVD (n=41), 26 of them had a documented anamnesis of coronavirus infection within 4 months before inclusion in the study, 15 people did not have COVID-19. The control group consisted of 20 apparently healthy individuals of the same age. Neuroimaging was performed using a Philips Achieva 1.5 T device. Pro-inflammatory cytokines were determined in blood serum – tumor necrosis factor α (TNF α ), interleukin 6 (IL6), IL18, interferon γ (IFN γ ); chemokines – monocytic chemoattractant protein 1 (MCP-1), IL8; growth factors – vascular endothelial growth factor type A (VEGF-A), transforming growth factor β 1 (TGF β 1).Results. In patients with CCVD, compared with the control group, an increase in the level of proinflammatory cytokines (TNF α , IL6, IL18), chemokines (MCP1 and IL8), a decrease in the concentration of IFN γ , and divergent changes in the content of growth factors (VEGF-A and TGF β 1) were noted. Patients who recovered from COVID-19 showed an increase in the level of IL6 and a decrease in the level of IFN γ compared with those who had not been ill, which indicates a persistently high activity of immunoinflammatory processes and an insufficient humoral immune response.Conclusion. Postponed coronavirus infection COVID-19 aggravates the existing endothelial dysfunction and intravascular inflammation in patients with CCVD, which may probably require changes in their treatment and prevention strategies in the future.
Every third or fourth ischemic stroke is cardioembolic. Prescribing oral anticoagulants can significantly reduce the risk of recurrent stroke, but this strategy requires the physician to have a firm orientation in the “efficacy – safety” coordinate system. We formulate 10 rules that should help any interested specialist (neurologist, cardiologist, therapist) to decide on the prescription of oral anticoagulants for cardioembolic stroke in daily clinical practice. We discuss issues of selection of an anticoagulant in atrial fibrillation, mitral stenosis and mechanical heart valves, the timing of prescription (also in haemorrhagic transformation of ischemic stroke and after intracerebral hemorrhage), the special features of anticoagulant prophylaxis in comorbid and “fragile” patients are discussed, the development of a stroke while taking an anticoagulant, the timing of discontinuation and resumption of therapy during surgical interventions, the choice of dose and peculiarities of therapy in cognitively impaired patients.
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