COMPREHENSIVE APPROACH TO EARLY DIAGNOSIS AND PREVENTION OF CEREBROVASCULAR PATHOLOGY

Аннотация

The aim of the study was to evaluate the effectiveness of a comprehensive approach to early diagnosis and prevention of cerebrovascular diseases (CVD) in a high-risk group. The study employed modern instrumental, laboratory, and clinical-anamnestic methods to detect early signs of cerebrovascular pathology. Inclusion of endothelial dysfunction biomarkers, transcranial Doppler ultrasonography (TCD), and magnetic resonance imaging (MRI) with diffusion-weighted imaging in the screening program made it possible to identify subclinical changes in cerebral circulation. The results confirm the high importance of a comprehensive approach in reducing the risk of stroke and mortality. Keywords: cerebrovascular diseases, early diagnosis, prevention, Doppler ultrasonography, magnetic resonance imaging, biomarkers. Introduction. Cerebrovascular pathology represents one of the most significant public health challenges of the 21st century, constituting the second leading cause of death globally and the primary cause of adult disability worldwide. According to the World Health Organization, stroke affects approximately 15 million people annually, with one-third of cases resulting in death and another third leading to permanent disability. The Global Burden of Disease Study 2019 reported that stroke accounts for 11.6% of total deaths globally, with the absolute number of stroke cases, deaths, and disability- adjusted life years continuing to increase substantially over the past three decades. The epidemiological landscape of cerebrovascular disease has undergone significant transformation in recent years, with emerging patterns showing increased incidence in younger populations and shifting demographic distributions. While traditionally considered a disease of the elderly, contemporary data reveals a concerning trend of stroke occurrence in individuals under 50 years of age, with incidence rates increasing by 25% in the 107 ACADEMIC RESEARCH IN MODERN SCIENCE International scientific-online conference 20-64 age group over the past two decades. This demographic shift necessitates a fundamental reconsideration of current diagnostic and preventive strategies, emphasizing the critical importance of early detection and intervention across all age groups. The economic burden of cerebrovascular disease is equally staggering, with annual healthcare costs exceeding $45 billion in the United States alone, not accounting for indirect costs related to lost productivity and long-term care. The lifetime cost per stroke patient ranges from $140,000 to $230,000, making cerebrovascular disease one of the most expensive medical conditions to manage. These figures underscore the urgent need for comprehensive approaches that prioritize prevention and early intervention over reactive treatment strategies. The pathophysiology of cerebrovascular disease encompasses a complex interplay of vascular, metabolic, inflammatory, and hemodynamic factors that collectively contribute to cerebral blood flow compromise and subsequent neurological dysfunction. Traditional risk factors, including hypertension, diabetes mellitus, dyslipidemia, and atrial fibrillation, remain paramount in stroke pathogenesis. However, emerging research has identified novel risk factors and mechanistic pathways that significantly expand our understanding of cerebrovascular disease development. Contemporary evidence highlights the role of non-traditional risk factors, including sleep disorders, chronic kidney disease, migraine with aura, inflammatory conditions, and environmental exposures, in stroke pathogenesis. The recognition of these factors has broadened the scope of risk assessment and necessitated the development of more comprehensive screening protocols that extend beyond conventional cardiovascular risk evaluation. Furthermore, advances in molecular medicine have revealed the significance of genetic predisposition, epigenetic modifications, and biomarker profiles in determining individual stroke risk. Genetic variants affecting coagulation pathways, lipid metabolism, and vascular integrity contribute to stroke susceptibility, while epigenetic changes influenced by lifestyle factors can modulate gene expression patterns related to cerebrovascular health. These discoveries have paved the way for personalized risk stratification approaches that consider individual genetic and molecular profiles alongside traditional clinical parameters. Limitations of Current Diagnostic Paradigms Despite significant advances in neuroimaging technology and clinical assessment tools, current diagnostic approaches for cerebrovascular pathology 108 ACADEMIC RESEARCH IN MODERN SCIENCE International scientific-online conference remain predominantly reactive, focusing on symptom-based identification rather than proactive risk detection. Traditional diagnostic protocols are typically initiated following the onset of neurological symptoms, by which time irreversible brain damage may have already occ