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Identifier

000374532

Title

Η σπλαχνική Λεϊσμανίαση, ένα πρόβλημα Δημόσιας Υγείας στην Ελλάδα. Επιδημιολογική μελέτη με τη χρήση χωρικών μεθόδων και γεωγραφικών πληροφοριών G.I.S.

Alternative Title

.Visceral Leishmaniasis, a public health problem in Greece.Epidemiological study with the use of spatial analysis methods and the geographical information system G.I.S.

Author

Σηφάκη-Πιστόλλα, Δήμητρα

Thesis advisor

Αντωνίου, Μαρία

Reviewer

Τζανάκης, Νικόλαος

Abstract

Introduction: Leishmaniases are a group of parasitic diseases caused by parasites of the genus Leishmania. Leishmania infects humans, wild and domestic animals. During the last ten years geographic spread of the disease is recorded. The aim of the present study is to determine the prevalence of the disease in Greece and its importance in Public Health, by correlating the disease’s prevalence with various risk factors. Methods: Spatial methods were applied using GIS 9.3 environment as well as bio-statistical methods using SPSS 19.00. The EDEN questionnaire (EDEN-Leish vet questionnaire “Veterinary survey on epidemiology and control of canine Leishmaniasis”) was used as the main tool for selecting data for Greece. Distribution maps were created. High risk areas, in Greece, emerged through multicritiria analysis of environmental risk factors. Buffer zones of the disease’s influence and a spatial prediction map were created (even in areas where no data was available, through spatial splines and cokriging interpolation models). Results: Spatial heterogeneity and variability of the disease became evident in the country, with dog seropositivity varying from 7% to 59% in different prefectures. Risk areas are highlighted and the dynamic of the disease becomes apparent. High risk areas were found to be: Lasithi, Dodekanisos, Ilias, North and South Attiki, Kerkira and Thessaloniki prefectures. Map 11, provides the prediction of the spread of the disease where regions are presented with the number of infected dogs per 50km2. The questionnaire is a useful tool in epidemiology; qualitative analysis of the questionnaire results, using GIS technology, provides the possibility to perform reliable epidemiological studies with low expense and in short time. It provides the researcher with the possibility to detect the present status of the disease as well as its future dynamic in order to apply the appropriate measures to safeguard Public Health.

Language

Greek

Subject

Dermatology

Epidemiology

G.I.S.

Leishmaniasis

Spatial analysis

Επιδημιολογία

Λεισμανίαση

Χωρική ανάλυση

Issue date