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Identifier

000364032

Title

Μελέτη της επιδημιολογίας και της οικολογίας των αναπλασμάτων (πρώην Ερλίχιες): προσδιορισμός των φυσικών ξενιστών, ανίχνευση και χαρακτηρισμός των παθογόνων σε υπόδοχα, μεταβιβαστές και στον άνθρωπο στην Ελλάδα και στην Κρήτη

Alternative Title

Study of the epidemiology and ecology of anaplasmataceae (ex ehrlichiae):specification of natural hists, identification and characterization of the pathogens in hosts, carriers and in human in Greece and Cyprus.

Author

Χοχλάκης, Δημοσθένης

Thesis advisor

Τσελέντη , Ιωάννη

Reviewer

Γκίκα Αχχιλέα
Αντωνίου Μαρία
Σκούλικα Ευσταθία
Καλμαντή Μαρία
Παπαδάκη Ελένη

Abstract

This is the first study that deals with the detection of human granulocytic anaplasmosis and of anaplasma sp. in general in Crete and in Cyprus. The conclusion is that pathogens exist and flourish in the two islands of Mediterranean, so much in the human population, as long as also in animals (of veterinary importance or not) and in ticks. Goats, sheep, mouflon, hares and foxes could be considered as natural hosts of anaplasma sp. in general. A. phacogyctophilum was not detected in any tick species, but it must be stated that the presence of the tick I. ricinus was minimal in Cyprus while in Crete it was not detected at all. The possibility that the pathogen is transmitted by other tick species should be examined. The present study deals with the first report, worldwide, of human infection by A. ovis that up to now was recently considered to infect animals only. For the first time we reported incidents of infection from Anaplasma spp and A. phacogyctophilum in Crete and in Cyprus. For first time, worldwide, we reported infection from A. phacogyctophilum along with Kawasaki disease. Clinicians should always consider the case of a possible infection from A. phacogyctophilum or Anaplasma sp. in patients with epidemiologic background of residence in rural regions and/or contact with ticks. The presence of Anaplasmatic DNA in ticks that were collected by wild animals, revealed an active role in the maintenance of these pathogenic in the wild and suburban circles. Nevertheless it can not be determined whether these ticks could act also as vectors of Anaplasma sp. or that they were simply infected at the duration of a blood meal and hence function as simple hosts of the pathogens. Emerging tick-borne illnesses constitute an increasing threat for humans and the health of animals worldwide and more specifically in Europe, consequently, the characterization of dissemination of the pathogens in tick species parasitising wild animals and animals of veterinary importance can provide important information on the evaluation of danger of infection from emerging pathogens.

Language

Greek

Subject

Anaplasma

Animal parasites

Parasites

Ανάπλασμα

Παράσιτα

Issue date

2009-07-24

Collection

School/Department--School of Medicine--Department of Medicine--Doctoral theses