· 2020. 11. 19. · Title: Microsoft PowerPoint - MARINCULI parazitske zoonoze.ppt [Compatibility...
Transcript of · 2020. 11. 19. · Title: Microsoft PowerPoint - MARINCULI parazitske zoonoze.ppt [Compatibility...
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PARAZITSKE ZOONOZE U OVACA I KOZA
Albert Marinculić , Veterinarski fakultet Sveučilišta u Zagrebu
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80 % EMERGENTNIH I REEMERGENTNIHBOLESTI SU ZOONOZE
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ŠTO JE TOKSOPLAZMOZA?
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EVO KAKO TOKSOPLAZMA IZGLEDA POD ELEKTRONSKIM MIKROSKOPOM
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Toxoplasma gondii
uzročnik otkriven 1908.
Mačka kao nositelj je otkrivena 1969.
Uglavnom asimptomatska bolest
Opasna za trudnice
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ŽIVOT TOKSOPLAZME
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TOKSOPLAZMOZA U OVACA I KOZA
Posljedice ovise o trenutku zaražavanja Potrebno je otprilike 6 tjedana do pojave
znakovaZaražavanje u prvih 60 dana – resorpcija ploda 60 – 120 dana – pobačaj u kasnijoj bređosti _--- mumificirani fetusi, mrtvorođena janjad, slaba janjad koja brzo ugiba
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KAKO PREPOZNATI TOKSOPLAZMOZU?
Iako znakovi govore u prilog pojavi bolesti potrebne su i laboratorijske pretrage.
Blijedo područje ( kalcifikacija) na kotiledonima posteljice je tipični nalaz
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ŠTO MORAMO ZNATI ?
Moramo biti oprezni jer je toksoplazmoza opasna zoonoza
Pobačaj može zahvatiti veliki dio stada Ovce koje su pobacile treba odmah izolirati Obavijestiti svog veterinara, pažljivo
pohraniti plod, onečišćenu stelju i pribor te predmete neškodljivo ukloniti
Sva hrana mora biti pohranjena na prikladan način
Voda mora biti iz pouzdanog izvora
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Suzbijati glodavce
Kontrolirati mačke
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Toksoplazma - parazit koji pretvara miševe u zombije
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ČOVJEK KOJI JE OKRIO MISTERIJ TOKSOPLAZME
JAROSLAV FLEGR
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TOXOPLASMA potiče u mozgu intenzivnu proizvodnju „hormona sreće (dopamina)
DOPAMIN - transmiter koji kontrolira poruke koje se odnose na pokrete, razumijevanje i ponašanje. Prenosi poruke o zadovoljstvu i regulira emocionalne odgovore poput straha.
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Evo kako utječe:
Manja koncentracija i loše pamćenje Sklonost samoubojstvu Ubitak koncentracije - prometna nesreća Promiskuitetno ponašanje Manji strah od neuspjeha „Studija o
menedžerima” Atraktivnost prema mačkama Kriminalne radnje Utjecaj testosterona na muževnost Utjecaj na spol djeteta
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TOXOPLASMA Downov sindrom ?
.
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TOXOPLASMA i SHIZOFRENIJA
Objavljeno 40 studija koje povezuju veliku prevalenciju toksoplazmoze u pacijenata sa shizofrenijom.
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Toxoplazmoza i AIDS
Toxo limfadenopatija Toxo encefalitis smrt Toxo pneumonija Toxo infekcija urinarnog trakta Diseminirana toksoplazmoza
Peritonitis, chorioretinitis,
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KONGENITALNA TOKSOPLAZMOZA
• Tijekom trudnoće• Samo jednom• 1/3 slučajeva toksoplazme prelaze u fetus• Mnogo teži oblik u ranoj trudnoći• Češće pri kraju trudnoće
• Posljedice: spontani pobačaj, mrtvo rođeno dijete, prerano rođeno dijete, dijete s promjenama
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POSLJEDICE
1% smetnje u razvoju 1% smrt ? nagluhost, zivčane poremetnje 4-27% retinohorioidalne lezije shizofrenija
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Toksoplazma i divlje životinje
Masovna uginuća morske vidre u Kalifornijskom zaljevu
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Toksoplazma i divlje životinje Uginuća delfina u vodama Novog Zelanda
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Toksoplazma i divlje životinje Uginuća beluga u Kanadi
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KAKO SPRJEČITI ZARAZU?
NE konzumirati sirovo meso ( 60 stupnjeva C, smrzavanje tri tjedna)
NE konzumirati neoprano voće i povrće Temeljito pranje ruku nakon vrtlarskih
radova Oprez s higijenom mačaka
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ŠTO JE KRIPTOSPORIDIOZA?
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Evo kako izgleda pod elektronskim mikroskopom
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OTKUD OPASNOST OD KRIPTOSPORIDIOZE?
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Kako se može dokazati?
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MILWAUKEE, SAD 1993. - više od 400 000 oboljelih
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ŠTO JE GIARDIOZA ?
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GIARDIJE UNIŠTAVAJU SLUZNICU CRIJEVA?
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GIARDIJE SE UMNAŽAJU NESPOLNO
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GIARDIJE PRISUTNE U RAZLIČITIH VRSTA ŽIVOTINJA PA TAKO I OVCE I KOZE
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U VANJSKOM OKOLIŠU PREŽIVLJAVAJU KAO VRLO OTPORNE CISTE
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POSTOJE RAZLIČITI NAČINI PRIJENOSA NA LJUDE I OBRNUTO
Oralnim putem
Fekalno-oralnim prijenosom
Kontaminiranom vodom
Kontaminiranom hranom
Prijenos sa životinja
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Nedostatna higijena Djeca u jaslicama
Prijenos cisti čak od 20 do 50% Prijenos među ukućanima
MSM kontakti Prjenos cisti 20%
Osobe pod posebnom skrbi
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Osnovno o bolesti u čovjeka
Za zarazu je potreban mali broj cisti
Prvi znakovi nakon dva tjedna, proljev,nadam, mršavljenje, grčevi, mučnina, neugodan miris stolice, gubitak teka
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BOLEST SE POTVRĐUJE U LABORATORIJU
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PREVENCIJA
Prokuhavanje ili filtriranje vode
Pravilna osobna higijena
Visoki higijenski standardi u odnosu na životinje
Visoki higijenski standardi u jaslicama i ustanovama za osobe sa posebnom skrbi