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1.
Front Med (Lausanne) ; 10: 1165709, 2023.
Article in English | MEDLINE | ID: mdl-37484847

ABSTRACT

The prevalence of older people in Russian population increases rapidly. Therefore, the concept of healthy aging is becoming crucial in Russia and all over the world, and thus disability prevention is one aspect of this issue. Aim: To assess a possible association between geriatric syndromes, comorbidities, and mortality rate among frail patients who receive home medical care in Moscow. Materials and methods: The study included 450 patients with home medical care provided by the State Budgetary Healthcare Institution "Diagnostic Center No. 3 of the Moscow Health Department" from June 2019 to April 2021. Physical health, functional, cognitive, social and emotional statuses were evaluated by comprehensive geriatric assessment (CGA). The mortality rate after 1 year was assessed. Results: The all-cause case mortality rate in patients during the observation period was 22.4%. There was no difference in age and comorbidities in survivors and deceased patients, but the latter group had more geriatric syndromes. The association between risks of mortality and anemia and some geriatric syndromes, such as malnutrition and hearing impairment, total dependence (Barthel index less than 60) was observed.

2.
Adv Gerontol ; 30(2): 236-242, 2017.
Article in Russian | MEDLINE | ID: mdl-28575563

ABSTRACT

For screening frailty in daily practice, we developed the questionnaire relating issues of weight loss, impaired vision and hearing, injuries related to falls, mood decline, cognitive impairment, urinary incontinence, and mobility difficulties. 356 outpatients from Moscow were included in the study (mean age 74,9±6,1 years, women - 80,4 %). Patients were interviewed using the questionnaire and underwent a comprehensive geriatric assessment. The phenotype model of frailty was determined by L. Fried criteria, the frailty index model - by K. Rockwood criteria. ROC-analysis demonstrated a satisfactory agreement between the result of the survey by the questionnaire and assessment the phenotype model of frailty and the frailty index model (AUC=0,765 and 0,731, respectively). The results statistically significantly correlated with the assessment of the phenotype model of frailty and the frailty index model (Spearman correlation = 0,4 and 0,41, p<0,001). Optimal characteristics of the questionnaire for the frailty screening were consistent to cut-off ≥3 and ≥ 4 points. We propose to use a cut-off ≥ 3 point, since it corresponds to a higher value of sensitivity (85,7 and 93,3 % compared with the phenotype model of frailty and the frailty index model respectively). The proportion of patients who scored ≥ 3 points (58,4 %) indicates a high prevalence of geriatric syndromes among outpatients in Moscow.


Subject(s)
Frailty/diagnosis , Geriatric Assessment/methods , Surveys and Questionnaires , Aged , Female , Frail Elderly , Humans , Male , Moscow
3.
Biochemistry (Mosc) ; 81(12): 1461-1476, 2016 Dec.
Article in English | MEDLINE | ID: mdl-28259123

ABSTRACT

Accumulation of various types of lesions in the course of aging increases an organism's vulnerability and results in a monotonous elevation of mortality rate, irrespective of the position of a species on the evolutionary tree. Stroustrup et al. (Nature, 530, 103-107) [1] showed in 2016 that in the nematode Caenorhabditis elegans, longevity-altering factors (e.g. oxidative stress, temperature, or diet) do not change the shape of the survival curve, but either stretch or shrink it along the time axis, which the authors attributed to the existence of an "aging program". Modification of the accelerated failure time model by Stroustrup et al. uses temporal scaling as a basic approach for distinguishing between quantitative and qualitative changes in aging dynamics. Thus we analyzed data on the effects of various longevity-increasing genetic manipulations in flies, worms, and mice and used several models to choose a theory that would best fit the experimental results. The possibility to identify the moment of switch from a mortality-governing pathway to some other pathways might be useful for testing geroprotective drugs. In this work, we discuss this and other aspects of temporal scaling.


Subject(s)
Aging/physiology , Mortality , Animals , Humans , Longevity , Models, Biological , Survival Analysis
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