INTRODUCTION: Frailty prevalence differs across different population depending on the models used to assess, age, economic situation, social status, and the proportion of men and women in the study. The diagnostic value of different models of frailty varies from population to population. OBJECTIVES: To assess the prevalence of frailty using 4 different diagnostic models and their sensitivity for identifying persons with autonomy decline. MATERIAL AND METHODS: A random sample of 611 people aged 65 and over. Models used: the Age is not a blocking factor model, the SOF Frailty Index, the Groningen Frailty Indicator, L. Fried model. Covariates: nutritional status, anemia, functional status, depression, dementia, chronic diseases, grip strength, physical function. RESULTS: The prevalence of the Frailty Phenotype ranged from 16.6 to 20.4% and the Frailty Index was 32.6%. Frailty, regardless of the used models was associated with an increase in the prevalence of the geriatric syndromes: urinary incontinence, hearing and vision loss, physical decline, malnutrition and the risk of malnutrition, low cognitive functions and autonomy decline (p 0.05). The negative predictive value (NPV) of the Age is not a blocking factor model, the SOF Frailty Index, the Groningen Frailty Indicator for identifying individuals with autonomy decline was 8690%. CONCLUSION: The prevalence of frailty depended on the operational definition and varied from 16.6 to 32.6%. The Age is not a blocking factor model, the SOF Frailty Index, the Groningen Frailty Indicator, L. Fried model can be used as screening tools to identify older patient with autonomy decline. Regardless of the model used, frailty is closely associated with an increase in the prevalence of major geriatric syndromes.

BACKGROUND: Cognitive impairment is one of the most common geriatric syndromes that occur in the elderly. Dementia is a severe cognitive disorder that results in the professional, social, and functional impairment and gradual loss of independence. However, in most cases, the stage of dementia is preceded by a long period of non-dementia cognitive impairment. In this regard, one of the priorities of public health is to identify potentially reversible forms of dementia and cognitive impairment in the early stages. AIM: To assess demographic characteristics, co-morbidities and factors that are associated with cognitive impairment in adults aged 65 years and over and to determine the prevalence of cognitive disorders in aging population. MATERIALS AND METHODS: cross-sectional study included all patients aged 65 years and older who attended the ambulance care from 24.10.2019 to 15.12.2019 in Saint Petersburg. Measurements: the Montreal cognitive assessment test, the 15-item Geriatric Depression Scale. Data collection included a full medical history, blood pressure measurement, a medication review and blood tests (complete blood count, lipids, hormones, glucose, ALT, AST and creatinine). RESULTS: The prevalence of mild cognitive impairment was 62.9 % (95 % CI 56-70), severe cognitive impairment 8.2 %. We detected that hypertension, stroke, sleep disorders, subjective memory complaints and symptoms of depression were identified as factors associated with CI after adjustment for covariates. Hypertension and depression were related with cognitive impairment (p 0.05). Also patients with depression scored worse in global cognition and attention function (p 0.05). Patients with diabetes had association with a decrease in abstraction function (p = 0.02). Low hemoglobin levels were related with poor global cognition and memory impairment (p 0.01). Beta-blocker use was significantly associated with poor global cognition and memory impairment (p 0.01). CONCLUSIONS: We found that elders have a high prevalence of cognitive disorders. We also demonstrated association between co-morbidities and factors as hypertension, anemia, diabetes, depression and administration of beta-blockers with poor cognitive performance in the elderly.

BACKGROUND: Falls are one of the most common syndromes in old age. An estimated 646,000 deaths from falls occur each year worldwide. Moreover, most fatal falls occur in people over 65 years of age. Most falls are the result of the interaction of several factors. AIMS: To examine the long-term effectiveness of multifactorial interventions in preventing falls in elderly and senile patients. MATERIALS AND METHODS: A sample of patients territorially attached to the Family Medicine Center of the North-Western State Medical University named after I.I. Mechnikov was established four years ago. Individual fall prevention programs were developed for all study participants (n = 260) because they had different falls risk factors. Patient follow-up was continued for 12 months. The results of the multifactorial intervention were evaluated after 12 months and after 3 years, 2 times in total, the last study in a random subsample of patients (n = 84). Aging asthenia screening, questionnaires, assessment of emotional status, and presence of sleep disturbances were performed to assess the risk of falls. The effectiveness of multifactorial interventions was assessed based on repeated assessment of risk factors for falls. RESULTS: Participants with a history of falls were significantly more likely to have symptoms of depression, anxiety, symptoms of frailty, visual and hearing impairment (p 0.05). On average, each participant in the group with falls had 6.1 2.1 risk factors for falls and 3.8 2.3 in the group without falls (p = 0.000). During the follow-up period after the interventions, the incidence of falls decreased 9-fold after one year (from 28.5% to 3.1%) and then increased to 23.8%. All patients who fell after the multifactorial intervention had a history of cognitive impairment and falls. In addition, in the group of patients with falls, fall risk factors such as low levels of physical activity, hearing impairment, and the presence of a traumatic environment at home were not eliminated. As a result of the interventions, fear of falls disappeared in 9 patients, 95% CI (2.35-65.89), p = 0.039. CONCLUSIONS: The study demonstrated a decrease in the effectiveness of multifactorial interventions to prevent falls at three years. A less persistent effect was seen in patients with a history of falls. A history of falls, symptoms of frailty, complaints of fear of falls, sleep disturbances, and anxiety symptoms were factors that increased the risk of falls. Individualized fall prevention programs resulted in decreased fear of falls.