- Ap xe tuy.
2.NGUYEN NHAN GAY VIEM TUY MAN
Cd nhieu nguyen nhan gay viem tuy man song nguyen nhan cd the xep thanh 2 loai nhii sau:
- Viem tuy man nguyen phat hay viem tuy man tii dong cdn goi la xd tuy.
- Viem tuy man thii phat (nhieu nguyen nhan nhii do riidu chan thiidng, sdi mat, tac oddi...)[4,15].
2.1. Rircfu
Thiidng gap nhieu d chau Au, chau My, trung Phi va cdn gap d chau a chu yeu gap d nam gidi, nhiing benh nhan viem tuy man nay cd tuoi trung binh la 40, thdi gian uong riidu trung binh la tren 10 nam, cd tii 60-70 % sd benh nhan viem tuy man cd tien sii uong riidu keo dai (tii 6 den 12 nam) va uong nhieu riidu (150 - 175 gr / lngay) [5,10],
Ngoai ra cdn cd tii 30 den 40 % sd benh nhan viem tuy man khong xac dinh ro diidc nguyen nhan, sd do dUdc xem nhii viem tuy man nguyen phat tuy nhien cd tac gia lai cho rin g
nguyen nhan do rUdu cd ban hay gap d chau au con d nil6c chau a nhu Trung Quoc thi nguyen nhan gay ra viem tuy man lai chu yeu la cac benh lien quan den dudng mat vi du nhii soi mat, giun chui ong mat, viem tui mat... co tac gia neu len ty le nguyen nhan gay ra viem tuy man do suy dinh dudng d chau Phi va chau a la rat cao.
Cac tac gia chau au dua ra nhung nghien ciiu ve cac yeu to lien quan den soi tuy va viem tuy man v6i so" lieu nhu sau:
Bang 4.1: Viem tuy man lien quan den tuoi,
gi6i va ri/ou con a chau Au.[15]
Tac gia Ten nirdc
Tuoi trung binh bj benh VTM Nam gidi % Lien quan den riidu, con % A.F.C. Phap 44,4 92,3 85,9
Estrada Tay ban nha 39 85 71,9
Servais Bi 44 72.2 74
Andersen Dan mach 48 70 62
2.2. Nguyen nhan do cirdng can giap: cac the lanh tinh hay ac tinh deu co the gay ra viem tuy man calci hoa tinh deu co the gay ra viem tuy man calci hoa
2.3. Nguyen nhan do di truyen: thiidng gap d liia tuoi diidi 15, benh tuy doi co lien quan den sii thay doi cua nhiem sac the benh tuy doi co lien quan den sii thay doi cua nhiem sac the
Dominant dorsal duct (ot Santorini)
Ventral duct (of Wirsungi
Hinh 4.1. Tuy doi ( Pancreas divisum)
2.4. Nguyen nhan cac benh dtfdng mat
Theo Hess ty le nay la 58%.[14], do cac nguyen nhan d vung bong Vater gay chit hep nhii do u, viem nhiem, do soi mat d bong Vater.
2.5. Nguyen nhan do soi tuy
Co the co soi trong ong tuy hoac calci hoa tuy d nhu mo tuy vi tri d dau tuy, than hay duoi hoac co can xi hoa d khap ca tuy. Theo Edelmann giiia soi tuy va viem tuy man cai nao la nguyen phat va cai nao la thi! phat thi kho phan biet vi soi trong ong tuy se gay nhiem khuan, gay viem tuy va calci hoa nhu mo tuy, sii lang dong calci d nhu mo va cung tao nen soi trong ong tuy. Ban chat cua soi tuy la sii ngifng ket protein trong cac ong tuyen va sau do la sii ket tua cua calci carbonat tao thanh soi. Trong dieu kien benh ly da thuc day qua trinh ket tua nay.
2.6. Nguyen nhan do viem tuy cap: Ngay nay ngiidi ta da chiing minh diidc yeu to" nay. chiing minh diidc yeu to" nay.