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1.
Phys Rev Lett ; 119(14): 140503, 2017 Oct 06.
Artigo em Inglês | MEDLINE | ID: mdl-29053319

RESUMO

Although geometric phases in quantum evolution are historically overlooked, their active control now stimulates strategies for constructing robust quantum technologies. Here, we demonstrate arbitrary single-qubit holonomic gates from a single cycle of nonadiabatic evolution, eliminating the need to concatenate two separate cycles. Our method varies the amplitude, phase, and detuning of a two-tone optical field to control the non-Abelian geometric phase acquired by a nitrogen-vacancy center in diamond over a coherent excitation cycle. We demonstrate the enhanced robustness of detuned gates to excited-state decoherence and provide insights for optimizing fast holonomic control in dissipative quantum systems.

2.
Georgian Med News ; (270): 10-15, 2017 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-28972476

RESUMO

Patients with human immunodeficiency virus (HIV) infection have a statistically significant increased risk of developing cervical cancer. The expression of the human Ki-67 protein is strictly associated with cell proliferation. The purpose of our work was detection of proliferative activity in cervical squamous cancer in women with HIV infection. We investigated 24 cases (12 patients with HIV and 12 patients without HIV infection) of cervical carcinoma, where biopsy had been performed before the treatment. According to histopathological diagnoses, well-differentiated, moderately and poorly differentiated squamous cell carcinoma (7, 13 and 4 cases respectively) was determined. Mean age of women in the group with HIV infection was 32.7 years, and 38.2 years in the group without HIV infection. Detection of protein Ki-67 expression was performed with nuclear staining in the intermediate and superficial cells. The results of this work show that proliferative activity of cervical squamous cancer in women with HIV infection is characterized by a higher level of Ki-67 with averaging level for all histological types of squamous cell carcinoma 62.5±5.6% that is one and half times higher than in group without HIV infection. Depending on a histological type, expression of Ki-67 has increased from 4.7±3.8% in well-differentiated squamous cell carcinoma up to 89.2±5.1% in poorly differentiated squamous cell carcinoma for group with HIV, and from 21.3±2.4% to 79.4±3.7 in group without HIV.


Assuntos
Carcinoma de Células Escamosas/patologia , Infecções por HIV/patologia , Neoplasias do Colo do Útero/patologia , Adulto , Carcinoma de Células Escamosas/metabolismo , Carcinoma de Células Escamosas/virologia , Proliferação de Células , Feminino , Infecções por HIV/complicações , Infecções por HIV/metabolismo , Humanos , Antígeno Ki-67/metabolismo , Pessoa de Meia-Idade , Neoplasias do Colo do Útero/metabolismo , Neoplasias do Colo do Útero/virologia
3.
Adv Gerontol ; 30(6): 826-835, 2017.
Artigo em Russo | MEDLINE | ID: mdl-29608823

RESUMO

Since the mid-2000s, after a few decades of negative trends and fluctuations, Russia has experienced the longest and most stable period of life expectancy increasing for the entire period of observation which was determined not only by a decrease in mortality at the middle ages, but also at the old ages. This period has been marked by a very fast increase in life expectancy of Muscovites. The paper shows that the mortality at old ages in Moscow systematically deviates from the patterns observed in economically developed countries with reliable mortality statistics. We assume that experience of these countries is applicable to regions of Russia. Based on this assumption the adjusted estimates of life expectancy at old ages in Moscow and Russia were calculated, as well as effect of the underestimation of mortality over age 80 on life expectancy at birth and at the age of retirement.


Assuntos
Expectativa de Vida , Idoso , Idoso de 80 Anos ou mais , Artefatos , Humanos , Pessoa de Meia-Idade , Mortalidade , Moscou/epidemiologia
4.
Exp Oncol ; 39(2): 138-140, 2017 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-29483497

RESUMO

AIM: To analyze the glycoprotein binding sites of the gastric mucosa and its secreted mucus using lectin histochemistry in patients with chronic non-atrophic gastritis (CNAG) associated or not-associated with Helicobacter pylori infection with or without dysplasia. MATERIALS AND METHODS: In order to identify the areas with glycoconjugates expression in gastric mucosa, 6 lectins (Canavalia ensiformis agglutinin - Con A, Sambucus nigra agglutinin - SNA, wheat germ agglutinin - WGA, soybean agglutinin - SBA, Helix pomatia agglutinin - HPA, peanut agglutinin - PNA) were used. Carbohydrate determinants were visualized according to the lectin-peroxidase-diaminobenzidine staining protocol. Biopsy material was obtained and processed by conventional histological methods. The samples from 84 patients (54 with CNAG) with low (n = 34) and high grade (n = 20) dysplasia, 38 patients were H. pylori-infected and 26 patients - H. pylori-noninfected) were used. The comparison group included 30 persons with CNAG without dysplasia (16 patients H. pylori-infected and 14 - noninfected). RESULTS: In comparison to normal gastric mucosa, a low affinity of Con A was shown in 80% of patients with non-infected CNAG and 90% of H. pylori associated CNAG. In 70% of H. pylori-infected patients with CNAG and low grade dysplasia there was an increase of SNA expression compared with non-infected patients (p < 0.05). Regarding SBA labeling no differences were detected in the studied groups (p < 0.05). In H. pylori infected patients with CNAG and low grade dysplasia, WGA, HPA and PNA showed a strong reactivity with the gastric mucosa cells in 80; 75%, and 60% of patients, respectively. CONCLUSION: We suggest that a set of lectins in reaction with gastric epithelial and glandular cells can be used as a tool to obtain information about the dysplastic changes of the gastric mucosa and may offer new insight into gastric carcinogenesis and precancerous lesions treatment.


Assuntos
Mucosa Gástrica/metabolismo , Gastrite Atrófica/metabolismo , Gastrite Atrófica/patologia , Infecções por Helicobacter/metabolismo , Lectinas/metabolismo , Adulto , Feminino , Fundo Gástrico/metabolismo , Fundo Gástrico/microbiologia , Fundo Gástrico/patologia , Mucosa Gástrica/patologia , Gastrite Atrófica/etiologia , Infecções por Helicobacter/complicações , Infecções por Helicobacter/patologia , Humanos , Masculino , Pessoa de Meia-Idade , Ligação Proteica , Antro Pilórico/metabolismo , Antro Pilórico/microbiologia , Antro Pilórico/patologia
5.
Kardiologiia ; 56(5): 51-55, 2016 May.
Artigo em Russo | MEDLINE | ID: mdl-28294874

RESUMO

The aim of the study was to compare different types of QT correction, establish age norms of QT duration, and assess associations between QT duration and heart rate (HR) in children. The sample comprised 0-18-year-old children (n=5909) selected from general population. The study examined several existing formulas of corrected QT (Bazett, Fridericia, Framingham, and Hodges) and modified Bazett formula developed for healthy children. The analysis demonstrated that neither formula enabled complete exclusion of the correlation between QT and RR intervals. Among existing formulas, Bazett formula provided maximum possible elimination of the HR influence on QT duration. Modified Bazett formula, developed by us, provided even less correlation of QT and RR intervals. Therefore, we recommend implementing modified Bazett formula to pediatric practice.


Assuntos
Frequência Cardíaca , Pesquisa Biomédica , Criança , Eletrocardiografia , Humanos
6.
Eur J Epidemiol ; 29(4): 243-52, 2014 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-24668060

RESUMO

In high income countries females outlive men, although they generally report worse health, the so-called male-female health-survival paradox. Russia has one of the world's largest sex difference in life expectancy with a male disadvantage of more than 10 years. We compare components of the paradox between Denmark and Moscow by examining sex differences in mortality and several health measures. The Human Mortality Database and the Russian Fertility and Mortality Database were used to examine sex differences in all-cause death rates in Denmark, Russia, and Moscow in 2007-2008. Self-reported health data were obtained from the Study of Middle-Aged Danish Twins (n = 4,314), the Longitudinal Study of Aging Danish Twins (n = 4,731), and the study of Stress, Aging, and Health in Russia (n = 1,800). In both Moscow and Denmark there was a consistent female advantage at ages 55-89 years in survival and a male advantage in self-rated health, physical functioning, and depression symptomatology. Only on cognitive tests males performed similarly to or worse than women. Nevertheless, Muscovite males had more than twice higher mortality at ages 55-69 years compared to Muscovite women, almost double the ratio in Denmark. The present study showed that despite similar directions of sex differences in health and mortality in Moscow and Denmark, the male-female health-survival paradox is very pronounced in Moscow suggesting a stronger sex-specific disconnect between health indicators and mortality among middle-aged and young-old Muscovites.


Assuntos
Envelhecimento , Indicadores Básicos de Saúde , Nível de Saúde , Expectativa de Vida , Mortalidade , Idoso , Comparação Transcultural , Estudos Transversais , Dinamarca/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Moscou/epidemiologia , Vigilância da População , Autorrelato , Distribuição por Sexo , Fatores Sexuais , Fatores Socioeconômicos
7.
Addiction ; 102(4): 544-53, 2007 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-17362291

RESUMO

AIM: To estimate the prevalence of hazardous drinking and its socio-economic distribution among Russian men. DESIGN: Participants were an age-stratified, population-based random sample of men aged 25-54 years living in Izhevsk, a city in the Urals, Russia. Interviewers administered questionnaires to cohabiting proxy respondents about behavioural indicators of hazardous drinking derived from frequency of hangover, frequency of drinking beverage spirits, episodes in the last year of extended periods of drunkenness during which the participant withdraws from normal life (zapoi), consumption of alcoholic substances not intended to be drunk (surrogates) and socio-economic position. Logistic regression was used to examine associations between socio-economic position and indicators of hazardous drinking in the past year. FINDINGS: Of 1750 men, 79% drank spirits and 8% drank surrogates at least sometimes in the past year; 25% drank spirits and 4% drank surrogates at least weekly and 10% had had an episode of zapoi in the past year. After adjustment for other socio-economic factors, education was strongly associated with indicators of hazardous drinking. Men with the lowest level of education compared to the highest level of education had an odds ratio of surrogate drinking of 7.7 (95% CI 3.2-18.5), of zapoi of 5.2 (2.3-11.8) and of frequent hangover of 3.7 (1.8-7.4). These indicators of hazardous drinking were also independently strongly associated with being unemployed (versus employed) and with levels of household wealth/amenities. Associations of all these variables with daily consumption of beverage spirits were weaker. CONCLUSION: Using a novel range of indicator variables of hazardous drinking, this paper shows that the prevalence of these behaviours is high among working-age men in this Russian city. Moreover, these hazardous behaviours show very clear socio-economic patterns, with particularly high prevalence among those who have had the least education and are not in employment. In contrast, more conventional measures of heavy drinking, based on frequency of consumption of beverage spirits, are less prevalent and show much weaker associations with socio-economic position.


Assuntos
Consumo de Bebidas Alcoólicas/epidemiologia , Alcoolismo/epidemiologia , Adulto , Bebidas Alcoólicas , Estudos de Casos e Controles , Humanos , Masculino , Pessoa de Meia-Idade , Federação Russa/epidemiologia , Fatores Socioeconômicos , Inquéritos e Questionários
8.
J Epidemiol Community Health ; 56(3): 171-4, 2002 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-11854335

RESUMO

BACKGROUND: Research on the aetiology of sudden cardiac death among young men in Russia strongly suggests an association with binge drinking. However, the possibility remains that such deaths are misclassified as being attributable to cardiovascular disease when they are really caused by acute alcohol poisoning. OBJECTIVE: To describe postmortem levels of blood alcohol in Russian men dying from various causes and so determine whether deaths from alcohol poisoning are being misclassified as cardiovascular deaths. SETTING: Ishevsk, capital of the Udmurt Republic, situated in the Ural region of the Russian Federation. METHODS: The study was part of a larger one on adult mortality. The study sample was 309 deaths among men aged 20-55 dying between August 1998 and March 1999 from other than neoplasms, infectious diseases or unspecified causes and on whom necropsy records could be obtained. Information on cause of death was extracted from death certificates and data on postmortem blood alcohol concentration (BAC) from forensic records. Blood alcohol concentrations were adjusted where necessary to allow for delay in necropsy. RESULTS: Medium or greater levels of intoxication occurred in a quarter of those recorded as dying from cardiovascular disease but in over half of those dying from external causes. BAC levels consistent with at least strong intoxication were seen in 13.5% of deaths from cardiovascular disease and 27.1% from external causes. No cardiovascular deaths had BAC at levels usually thought to be fatal while this level was seen in 26% of deaths from accidental poisoning. CONCLUSION: Evidence of recent consumption of alcohol is common among Russian men dying under the age of 55, with severe intoxication common where death is from external causes. However, the high death rates from cardiovascular disease in Russia cannot be explained by misclassification of deaths attributable to acute alcohol poisoning. This study thus resolves one of the outstanding controversies in the story of alcohol and cardiovascular disease in the former Soviet Union.


Assuntos
Consumo de Bebidas Alcoólicas/efeitos adversos , Intoxicação Alcoólica/complicações , Doenças Cardiovasculares/etiologia , Adulto , Consumo de Bebidas Alcoólicas/sangue , Consumo de Bebidas Alcoólicas/mortalidade , Intoxicação Alcoólica/sangue , Intoxicação Alcoólica/diagnóstico , Autopsia , Doenças Cardiovasculares/sangue , Doenças Cardiovasculares/mortalidade , Causas de Morte , Depressores do Sistema Nervoso Central/sangue , Estudos de Coortes , Morte Súbita Cardíaca/etiologia , Etanol/sangue , Humanos , Masculino , Pessoa de Meia-Idade , Federação Russa/epidemiologia
10.
Lancet ; 357(9260): 917-21, 2001 Mar 24.
Artigo em Inglês | MEDLINE | ID: mdl-11289348

RESUMO

BACKGROUND: Between 1987 and 1994, life expectancy in Russia declined substantially. Between 1994 and 1998, this trend reversed, and mortality rates returned to those of the early 1980s. Although the decline in life expectancy has been examined previously, much less is known about the subsequent improvement in mortality rates. We used recently published cause-specific mortality data up to 1998 to clarify this issue. METHODS: Changes in cause-specific death rates at ages 15-74 years were examined. Rates for 1998 were compared with those for 1994 (the year of lowest life expectancy) and for 1991 (the year the Soviet Union broke up). FINDINGS: Death rates among children fell steadily throughout the 1990s, and those in elderly people changed little. The reduction in mortality since 1994 was mainly due to a decrease in the death rate among middle-aged adults, which had increased until 1994. Deaths among those aged 15-30 years, which rose during 1991-94, remained high. Some causes of death, such as stomach cancer and road-traffic accidents, declined throughout the 1990s, whereas others, such as breast and prostate cancers and tuberculosis, increased. The decline in mortality since 1994 was, however, mainly due to a reduction in the rate of deaths from a group of causes associated with alcohol consumption. INTERPRETATION: The changing life expectancy in Russia is a consequence of a complex pattern of trends in different causes of death, some of which have their origins long in the past, and others that result from contemporary circumstances. This study provides further support for the view that alcohol has played an important part in the fluctuations in life expectancy in Russia in the 1990s, although there remains a need for a much better understanding of the factors underlying these continuing changes.


Assuntos
Expectativa de Vida/tendências , Adolescente , Adulto , Distribuição por Idade , Idoso , Idoso de 80 Anos ou mais , Causas de Morte , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Mortalidade/tendências , Federação Russa/epidemiologia , Distribuição por Sexo
12.
Public Health ; 115(6): 394-400, 2001 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-11781849

RESUMO

In recent years there has been a considerable increase in understanding of changes in mortality in Russia and some other former Soviet republics. However, the situation in the republics of the Caucasus remains poorly understood. Information on Georgia is especially fragmentary as a fifth of the country remains outside government control, there has been large scale migration since 1991, and the introduction of fees for vital registration has compromised the quality of official statistics. The aim of the study is to produce plausible estimates for life expectancy in Georgia for the period 1990-1998 and thus to assess whether Georgia has undergone changes similar to other former Soviet republics in the post-independence period. Four models were used to construct life tables. Model 1 used officially published statistics on deaths and population. Model 2 applied new estimates of population derived from household surveys to the observed deaths. Model 3 adjusted model 2 for under-registration at extremes of life, with parameter estimates derived from a survey of infant mortality and comparison of observed rates with Coale-Demeny standard life tables. Model 4 arose following inspection of death rates by cause that revealed implausible discontinuities in cancer mortality rates and involved applying the estimates of under-registration that this finding implied to model 3. The four models produce quite different estimates of life expectancy, differing by 7.8 y for men and 6.8 y for women by 1998. In any of the models, however, Georgia does not appear to have experienced the marked deterioration in life expectancy seen in Russia following the transition to independence. Importantly, Georgia had also not experienced a marked improvement in life expectancy during the 1985 Soviet anti-alcohol campaign, again unlike other Soviet republics.Official statistics substantially over-estimate life expectancy at birth in Georgia. Despite undergoing a civil war, life expectancy in Georgia has been less affected by the transition than has Russia and the overall trends in mortality since the mid 1980s suggest that this may be because alcohol has played a smaller role in these changes than it did in Russia.


Assuntos
Expectativa de Vida/tendências , Mortalidade/tendências , Idoso , Demografia , Feminino , República da Geórgia/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Modelos Estatísticos
13.
J Epidemiol Community Health ; 54(12): 890-8, 2000 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-11076984

RESUMO

OBJECTIVES: To examine the long term evolution of mortality in the former German Democratic Republic (GDR) in the period from 1960 and its specific position in health terms compared with the Federal Republic (FRG) in the west and Poland in the east. METHODS: Decomposition of life expectancy by age and cause of death. Differences in life expectancy at birth between the former GDR and the old FRG were decomposed by age using data on all cause mortality for the period 1960 to 1997. Changes in life expectancy over time by cause of death were examined using data for 1974 and 1989 for both parts of Germany and for 1974 and 1988 for Poland. RESULTS: Male life expectancy in the two parts of Germany diverged twice, in the mid-1960s, favouring the GDR, and in the mid-1970s, giving increasing advantage to the FRG, while female life expectancy remained similar until the mid-1970s and began to diverge thereafter. The initial advantage of the GDR was mainly attributable to an improving mortality rate among children compared with that in the west in both sexes. During the 1980s, mortality among men over 15 and women over 40 steadily worsened relative to their western counterparts, although men were doing considerably better than those in Poland who actually experienced deterioration. In the FRG, falling death rates among adults of all ages have contributed substantially to the improvement in life expectancy between 1974 and 1989, largely attributable to falling deaths from cardiovascular disease and from injuries at younger adult ages. In Poland, death rates among male adults have risen at all ages over 35, mostly attributable to worsening death rates from cardiovascular disease and neoplasms while women experienced stagnation. The GDR showed a small worsening among men under 60, counterbalanced by improvements among those over 60, and some improvement in women, attributable to falling deaths from cardiovascular disease among the middle aged and elderly. CONCLUSIONS: This study provides further evidence for the complexity of the east-west mortality differential emerging in the 1960s in Europe, highlighting the intermediate position in health terms the former GDR occupied during much of the communist period. Further research is required to assess the underlying causes for the specific position of the former GDR between east and west.


Assuntos
Expectativa de Vida/tendências , Mortalidade/tendências , Adolescente , Adulto , Distribuição por Idade , Fatores Etários , Idoso , Causas de Morte/tendências , Criança , Pré-Escolar , Feminino , Alemanha Oriental/epidemiologia , Alemanha Ocidental/epidemiologia , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Polônia/epidemiologia , Distribuição por Sexo , Suécia/epidemiologia
14.
J Epidemiol Community Health ; 54(12): 899-906, 2000 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-11076985

RESUMO

OBJECTIVES: To examine trends in life expectancy at birth and age and cause specific patterns of mortality in the former German Democratic Republic (GDR) and Poland during political transition and throughout the 1990s in both parts of Germany and in Poland. METHODS: Decomposition of life expectancy by age and cause of death. Changes in life expectancy during transition by cause of death were examined using data for 1988/89 and 1990/91 for the former GDR and Poland; examination of life expectancy changes after transition were based on 1992-97 data for Germany and 1991-96 data for Poland. RESULTS: In both the former GDR and Poland male life expectancy at birth declined by almost one year during transition, mainly attributable to rising death rates from external causes and circulatory diseases. Female life expectancy in Poland deteriorated by 0.3 years, largely attributable to increasing circulatory mortality among the old, while in East German female rising death rates in children and young adults were nearly outbalanced by declining circulatory mortality among those over 70. Between 1991/92 and 1996/97, male life expectancy at birth increased by 2.4 years in the former GDR, 1.2 years in old Federal Republic, and 2.0 years in Poland (women: 2.3, 0.9, and 1.2 years). In East Germany and Poland, the overall improvement was largely attributable to falling mortality among men aged 40-64, while those over 65 contributed the largest proportion to life expectancy gains in women. The change in deaths among men aged 15-39 accounted for 0.4 of a year to life expectancy at birth in East Germany and Poland, attributable largely to greater decreases from external causes. Among those over 40, absolute contributions to changing life expectancy were greater in the former GDR than in the other two entities in both sexes, largely attributable to circulatory diseases. A persisting East-west life expectancy gap in Germany of 2.1 years in men in 1997 was largely attributable to external causes, diseases of the digestive system and circulatory diseases. Higher death rates from circulatory diseases among the elderly largely explain the female life expectancy gap of approximately one year. CONCLUSIONS: This study provides further insights into the health effects of political transition. Post-transition improvements in life expectancy and mortality have been much steeper in East Germany compared with Poland. Changes in dietary pattern and, in Germany, medical care may have been important factors in shaping post-transition mortality trends.


Assuntos
Expectativa de Vida/tendências , Mortalidade/tendências , Adolescente , Adulto , Distribuição por Idade , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Causas de Morte/tendências , Criança , Pré-Escolar , Feminino , Alemanha Oriental/epidemiologia , Alemanha Ocidental/epidemiologia , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Polônia/epidemiologia , Fatores de Risco , Distribuição por Sexo , Suécia/epidemiologia
15.
Eur J Epidemiol ; 15(3): 203-6, 1999 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-10395048

RESUMO

Age standardised death rates (European standard population) from lung cancer in the Russian Federation, have been rising since at least 1965, levelled out in the late 1980s and have subsequently decreased. The reasons for this decline are not apparent. This study seeks to identify the reasons for the decline in mortality from lung cancer in the Russian Federation in the 1990s. Changes in age-specific mortality from lung cancer in the Russian Federation between 1990 are described and age-cohort analysis, based on age-specific death rates for lung cancer is undertaken for the period 1965 to 1995. As other work has shown that any recent deterioration in coding of cause of death has been confined largely to the elderly, this suggests that the trend is not a coding artefact. Age-period-cohort analysis demonstrates the existence of a marked birth cohort effect, with two major peaks corresponding to those born around 1926 and 1938. These groups would have reached their early teens during the second world war and the period immediately after the death of Stalin, respectively. The present downward trend in death rates from lung cancer in the Russian Federation is partly due to a cohort effect and it is expected that this will soon reverse, with a second peak occurring in about 2003.


Assuntos
Transição Epidemiológica , Neoplasias Pulmonares/mortalidade , Adolescente , Adulto , Distribuição por Idade , Idoso , Criança , Pré-Escolar , Efeito de Coortes , Bases de Dados Factuais/normas , Bases de Dados Factuais/tendências , Feminino , Humanos , Lactente , Recém-Nascido , Estudos Longitudinais , Masculino , Pessoa de Meia-Idade , Análise de Regressão , Estudos Retrospectivos , Federação Russa/epidemiologia , Distribuição por Sexo , Fumar/epidemiologia
16.
Int J Epidemiol ; 28(1): 19-29, 1999 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-10195659

RESUMO

BACKGROUND: The dramatic increase in mortality in Russia and Ukraine in the late 1980s and 1990s has been due to increases in certain causes of death, particularly cardiovascular disease and accidents and violence. In contrast, there has been a slight fall in mortality from cancer. METHODS: This paper presents an analysis of trends and patterns in cancer mortality and examines four possible explanations for its recent fall: changes in data collection; cohort effects; competing mortality from other causes of death; and improvements in health care. RESULTS: All contribute to some extent to the observed changes, with each affecting predominantly different age groups. There is evidence of a significant underrecording of cancer deaths among the elderly especially in rural areas and of significant changes in coding practices in the early 1990s. Competing mortality from cardiovascular diseases and accidents can explain some reduction in male deaths from cancer in middle age. Birth cohort effects can explain some reduction among males after early middle age and among females at all ages. The impact of changes in health care are more difficult to identify with certainty but there is evidence of reduced deaths from childhood leukaemia. IMPLICATIONS: Recent changes in mortality in Russia are complex and their understanding will require a multidisciplinary approach embracing demography, epidemiology and health services research.


Assuntos
Métodos Epidemiológicos , Neoplasias/mortalidade , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Estudos de Coortes , Modificador do Efeito Epidemiológico , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Mortalidade/tendências , Qualidade da Assistência à Saúde , Fatores de Risco , Federação Russa/epidemiologia , Ucrânia/epidemiologia
17.
J Public Health Med ; 20(3): 268-74, 1998 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-9793891

RESUMO

BACKGROUND: Seasonal variation in mortality has been investigated in many countries but not, until recently, in Russia. There are some grounds for suspecting that it may differ in Russia from what is seen in western countries. This paper explores patterns of seasonal variation in mortality in Moscow between 1993 and 1995. METHODS: Analysis was based on individual data on deaths occurring in Moscow between January 1993 and December 1995, grouped by four-week period and by calendar month and on mean monthly temperature in Moscow for the same period. Crude, smoothed and deseasonalized trends were inspected. Auto-correlation functions were estimated and deaths were regressed against temperature. RESULTS: As in other northern hemisphere countries, there is a winter excess of deaths but this is much smaller than in many western countries. It is restricted to some causes of death, such as ischaemic heart disease and cerebrovascular disease, and is associated with low temperature. In contrast, there is a marked summer increase in deaths among young people, especially from accidents and other deaths associated with alcohol consumption. Over the three-year period studied, there was an initial underlying increase in alcohol-related deaths that subsequently fell, coinciding with a previously observed increase in life expectancy. CONCLUSIONS: It is possible that the low level of excess winter mortality reflects warmer indoor environments than in the west. The seasonal variation of deaths among young people reinforces evidence of the important role of alcohol in the Russian mortality crisis.


Assuntos
Mortalidade , Estações do Ano , Acidentes/mortalidade , Adolescente , Adulto , Distribuição por Idade , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Moscou/epidemiologia , Periodicidade
18.
Tob Control ; 7(1): 22-6, 1998.
Artigo em Inglês | MEDLINE | ID: mdl-9706750

RESUMO

BACKGROUND: Tobacco is a leading cause of avoidable death in Russia but there is, as yet, relatively little information in the public domain on who is smoking and how this is changing. This information is important for those seeking to develop effective policies to tackle this issue. OBJECTIVE: To determine the prevalence of smoking in Russia and its association with sociodemographic factors. DESIGN: Cross-sectional survey on patterns of tobacco consumption. SETTING: Data were collected using the New Russia Barometer, a multi-stage stratified-sample survey of the population of the Russian Federation undertaken in the summer of 1996. PARTICIPANTS: Data were available on 1587 individuals (response rate 65.7%). Respondents differed little from the overall Russian population in terms of age, sex, education, and voting intention. MAIN OUTCOME MEASURES: Prevalence of current and past smoking. RESULTS: Smoking is common among males of all ages and in all areas. Of those aged 18-24 years, 65% smoke, rising to 73% in those aged 25-34 and then falling steadily to reach 41% in those aged 65 and older. Among women, smoking is much more common among the young (27% in those aged 18-34) than among the middle-aged and elderly (5% in those aged 55 and older), and more common among those living in urban areas than in rural areas. Smoking is also more common among men and women suffering material deprivation but there is no independent association with education. Among men, but not women, church attendance is inversely associated with smoking. In both sexes, but especially women, heavy drinking and smoking are associated. CONCLUSIONS: Tobacco poses a major threat to the health of future generations in Russia, especially among women. A robust policy response is required.


Assuntos
Fumar/epidemiologia , Adolescente , Adulto , Distribuição por Idade , Idoso , Estudos Transversais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , Federação Russa/epidemiologia , Distribuição por Sexo
19.
Soc Sci Med ; 47(3): 357-69, 1998 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-9681906

RESUMO

The investigation of socio-economic differences in mortality in Russia was effectively prohibited in the Soviet period. The extent and nature of any such differences is of considerable interest given the very different principles upon which Russian society has been organised for most of this century compared to the West where socio-economic differences in health have been extensively documented. Using cross-sectional data on mortality in Russia around the 1979 and 1989 Censuses, we have analysed mortality gradients according to length of education. Our results show that educational differences in mortality are at least as big as seen in Western countries, and are most similar to the recently reported differences observed for other former communist countries such as the Czech Republic, Estonia and Hungary. As observed in many other countries the strength of association of mortality with education declines with age, varies by cause of death and is generally stronger among men than women. Differentials are particularly large for accidents and violence, where for men and women the mortality rate among those with primary or basic secondary education is over twice that of people with higher education. Even larger effects are seen for causes directly related to alcohol (including alcoholic cirrhosis and accidental poisoning by alcohol), and for infectious and parasitic diseases and respiratory diseases. These educational differences may in part be related to educational differences in alcohol consumption. Of particular significance is the fact that there are indications that socio-economic differences in mortality have widened considerably in the 1990s, a period during which there was a huge increase in the national burden of alcohol-related deaths. This widening of socio-economic differences at this time suggest that these increases in consumption were especially acute among those with less education. At a more general level the fact that large educational differences in mortality were seen in Russia in 1979 and 1989, prior to the collapse of the Soviet Union, is very striking and informative. In this period there was a far weaker association between income and education than is seen in the West, suggesting that the education effects are unlikely to be driven by underlying differences in financial resources. The protective effect of education, in the Russian context at least, has been driven by more subtle and mechanisms. The apparent widening of socio-economic mortality differences since the collapse of the Soviet Union suggests that the transformation underway in Russian society requires a strengthening of the public health function.


Assuntos
Escolaridade , Mortalidade/tendências , Adulto , Idoso , Alcoolismo/mortalidade , Causas de Morte , Feminino , Humanos , Expectativa de Vida , Masculino , Pessoa de Meia-Idade , Federação Russa/epidemiologia , Fatores Socioeconômicos
20.
BMJ ; 317(7154): 312-8, 1998 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-9685275

RESUMO

OBJECTIVE: To identify which aspects of socioeconomic change were associated with the steep decline in life expectancy in Russia between 1990 and 1994. DESIGN: Regression analysis of regional data, with percentage fall in male life expectancy as dependent variable and a range of socioeconomic measures reflecting transition, change in income, inequity, and social cohesion as independent variables. Determination of contribution of deaths from major causes and in each age group to changes in both male and female life expectancy at birth in regions with the smallest and largest declines. SETTING: Regions (oblasts) of European Russia (excluding Siberia and those in the Caucasus affected by the Chechen war). SUBJECTS: The population of European Russia. RESULTS: The fall in life expectancy at birth varied widely between regions, with declines for men and women highly correlated. The regions with the largest falls were predominantly urban, with high rates of labour turnover, large increases in recorded crime, and a higher average but unequal distribution of household income. For both men and women increasing rates of death between the ages of 30 and 60 years accounted for most of the fall in life expectancy, with the greatest contributions being from conditions directly or indirectly associated with heavy alcohol consumption. CONCLUSIONS: The decline in life expectancy in Russia in the 1990s cannot be attributed simply to impoverishment. Instead, the impact of social and economic transition, exacerbated by a lack of social cohesion, seems to have played a major part. The evidence that alcohol is an important proximate cause of premature death in Russia is strengthened.


Assuntos
Crime/estatística & dados numéricos , Expectativa de Vida , Fatores Socioeconômicos , Adolescente , Adulto , Distribuição por Idade , Pré-Escolar , Emprego/estatística & dados numéricos , Feminino , Humanos , Renda , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Mortalidade , Reorganização de Recursos Humanos , Análise de Regressão , Federação Russa/epidemiologia , Distribuição por Sexo , Mudança Social
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