Zdravka Valerianova

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The aim of the study was to compare current policy, organisation and coverage of cervical cancer screening programmes in the European Union (EU) member states with European and other international recommendations. According to the questionnaire-based survey, there are large variations in cervical cancer screening policies and inadequacies in the key(More)
The accident which occurred during the night of April 25-26, 1986 in reactor 4 of the Chernobyl nuclear power plant in the Ukraine released considerable amounts of radioactive substances into the environment. Outside the former USSR, the highest levels of contamination were recorded in Bulgaria, Austria, Greece and Romania, followed by other countries of(More)
This paper reports the geographical patterns and time trends of incidence and survival of Hodgkin's disease (HD) in children and adolescents in Europe over the period 1978-1997. Data on 4230 HD cases were gathered from 62 paediatric or general cancer registries in 19 European countries by the Automated Cancer Information System (ACCIS). European annual(More)
BACKGROUND Bulgaria has undergone considerable social changes in the last 40 years, including a transition from a 75% rural to a 75% urban population. These changes might be expected to be reflected in disease rates. The Bulgarian cancer registry has computerized data on cancer incidence throughout the country from 1981 onwards. METHODS Incidence rates in(More)
The burden of cervical cancer varies considerably in the European Union (EU). In this article, we describe trends in incidence of and mortality from this cancer in the two most affected areas: the Baltic countries (Estonia, Latvia and Lithuania) and Southeast Europe (Bulgaria and Romania). Incidence data were obtained from the national cancer registries.(More)
The burden of cervical cancer in central and eastern Europe is generally higher compared to western or northern Europe due to a history of mostly opportunistic cervical cancer screening practices and due to the strong influence of political and economic changes in post-communist transition. This article describes the current cervical cancer screening(More)
OBJECTIVE The burden of cervical cancer varies considerably in the European Union. In this paper, we describe trends in incidence of and mortality from this cancer in the five most affected member states. METHODS Data on number of deaths from uterine cancers and the size of the female population of Estonia, Latvia, Lithuania, Bulgaria and Romania were(More)
BACKGROUND In Bulgaria the previously (1970-1985) existing population based cervical cancer screening was replaced in the early 1990s with an opportunistic model due to political and socioeconomic reasons. As a result, in the last 20 years, cervical cancer incidence and mortality rates steady increased. The objective of the EUROCHIP project in Bulgaria was(More)