Chua benh tieu chay ma khong can bu nuoc.

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Chua benh tieu chay ma khong can bu nuoc

Cac nha khoa hoc My da thu nghiem mot hop chat co kha nang dieu tri benh tieu chay mot cach truc tiep, it ton kem va de thuc hien, nham gop phan lam giam ty le tre em bi tu vong do tieu chay cap tai mot so nuoc dang phat trien..

Chua benh tieu chay ma khong can bu nuoc - Ban co dau.
Chua benh tieu chay ma khong can bu nuoc - Ban khong dau.
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Tien sy hoc Ferid Murad thuoc Trung tam  khoa hoc  suc khoe  cua truong Dai hoc  Texas, My (nguoi duoc giai thuong Nobel Y hoc nam 1998) da cong bo mot cong trinh nghien cuu  co ten "Chat dan xuat tu pyridopyrimidine uc che su tong hop nucleotide tuan hoan: Ung dung trong dieu tri tieu chay". 

Theo ket qua nghien cuu  nay, chat dan xuat tu pyridopyrimidine co kha nang ngan chan hieu qua tinh trang co the bi mat nuoc khi bi mac tieu chay cap do vi khuan vibrio cholerae va mot so dong vi khuan Ecoli gay ra.

Trong cac thu nghiem  tien lam sang, hop chat nay da lam giam dang ke su tiet dich long o ruot dong vat va nguoi ma khong gay bat cu tac hai nao cho co the. Chang han, hop chat nay lam giam su tao thanh cac phan tu truyen thong  tin trong cac te bao bieu mo o ruot (khien qua trinh tiet muoi va dich long trong ruot bi gian doan), tu do ngan chan hoac lam giam su mat nuoc trong co the.

Tien sy Murad cho biet, hop chat nay co the dua vao co the duoi dang thuoc vien dung cho nguoi lon va thuoc nuoc danh cho tre em.

Theo Murad, "O benh nhan bi tieu chay, chat doc cua vi khuan se kich thich niem mac ruot tiet ra chat long qua muc binh thuong, nen benh nhan thuong bi mat nuoc va chat dien giai nghiem trong, co the dan den bi soc, tham chi tu vong".

Nhom nghien cuu  cua Murad nhan manh rang "mot phan tu doc to co kha nang lam cho ruot tiet ra hang trieu phan tu nuoc".

Tu truoc den nay, viec dieu tri tieu chay duoc thuc hien mot cach gian tiep bang bien phap truyen dich tinh mach hoac bu nuoc qua duong mieng (oral rehydration), tuc la bu lai nuoc cho co the, chu khong ngan duoc su tiet ra dich long va muoi trong ruot.

Chinh vi vay theo tien sy  Murad, ket qua nghien cuu  nay rat co trien vong trong viec dieu tri hoac ngan ngua benh tieu chay mot cach truc tiep.

Stanlay G.Schultz, giao su y khoa thuoc truong Dai hoc  Taxas cho rang loai thuoc moi nay co tac dung ngan chan hieu qua tinh trang mat nuoc va muoi cua co the, nhung chi tao ra cac phan ung phu o muc thap nhat, se duoc coi la "than duoc" de cuu mang song cua hang trieu nguoi, dac biet la tre em  o cac nuoc dang phat trien.

Hon nua, thuoc moi nay se giup tiet kiem  hang ty USD  ma the gioi  phai bo ra de dieu tri benh tieu chay.

Ket qua nghien cuu  cua tien sy  Murad va cac dong nghiep da duoc cong bo tren tap chi  Proceedings cua Vien han lam khoa hoc  My.

Cong trinh nghien cuu  nay duoc Vien suc khoe  quoc gia  va Bo Quoc phong My tai tro.

Theo cac so lieu thong ke  cua cac To chuc Y te The gioi  (WHO), hang nam co khoang tu 1,6-2,5 trieu tre em  bi tu vong vi benh tieu chay./.

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Updated: 31/12/2009 | Views: 21 | Comments: 0

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