Nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ee9c v\u00e0 Na Uy cho th\u1ea5y \u1edf m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc hi\u1ebfm g\u1eb7p, vaccine AstraZeneca t\u1ea1o ra kh\u00e1ng th\u1ec3 b\u1ea5t th\u01b0\u1eddng g\u00e2y c\u1ee5c m\u00e1u \u0111\u00f4ng.<\/p>\n\n\n\n
K\u1ebft qu\u1ea3 hai nghi\u00ean c\u1ee9u n\u00e0y \u0111\u01b0\u1ee3c xu\u1ea5t b\u1ea3n tr\u00ean T\u1ea1p ch\u00ed Y h\u1ecdc New England ng\u00e0y 9\/4. Trong \u0111\u00f3, nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc \u0110\u1ee9c ph\u00e2n t\u00edch d\u1eef li\u1ec7u 11 b\u1ec7nh nh\u00e2n, g\u1ed3m 9 ph\u1ee5 n\u1eef, tu\u1ed5i t\u1eeb 22 \u0111\u1ebfn 49. Kho\u1ea3ng 5 \u0111\u1ebfn 16 ng\u00e0y sau ti\u00eam vaccine, h\u1ecd c\u00f3 tri\u1ec7u ch\u1ee9ng huy\u1ebft kh\u1ed1i t\u0129nh m\u1ea1ch n\u00e3o (c\u1ee5c m\u00e1u \u0111\u00f4ng ch\u00e8n t\u0129nh m\u1ea1ch n\u00e3o). M\u1ed9t s\u1ed1 c\u00f3 c\u1ee5c m\u00e1u \u0111\u00f4ng trong ph\u1ed5i, b\u1ee5ng ho\u1eb7c khu v\u1ef1c kh\u00e1c. 6 trong 11 ng\u01b0\u1eddi n\u00e0y \u0111\u00e3 t\u1eed vong, m\u1ed9t ng\u01b0\u1eddi ch\u1ebft do xu\u1ea5t huy\u1ebft n\u00e3o.<\/p>\n\n\n\n
Trong cu\u1ed9c h\u1ecdp b\u00e1o h\u00f4m 9\/4, ti\u1ebfn s\u0129 Andreas Greinacher, t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u, cho bi\u1ebft m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc hi\u1ebfm g\u1eb7p khi\u1ebfn h\u1ec7 th\u1ed1ng mi\u1ec5n d\u1ecbch t\u1ea1o ra kh\u00e1ng th\u1ec3 b\u1ea5t th\u01b0\u1eddng, sai h\u01b0\u1edbng, ph\u1ea3n \u1ee9ng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi vaccine. Khi ti\u00eam ch\u1ee7ng, c\u00e1c kh\u00e1ng th\u1ec3 \u0111\u00f3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng gi\u1ea3m ti\u1ec3u c\u1ea7u huy\u1ebft kh\u1ed1i, g\u00e2y ra c\u1ea3 \u0111\u00f4ng m\u00e1u v\u00e0 ch\u1ea3y m\u00e1u b\u1ea5t th\u01b0\u1eddng. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u1ec1 ngh\u1ecb \u0111\u1eb7t t\u00ean cho t\u00ecnh tr\u1ea1ng n\u00e0y l\u00e0 “gi\u1ea3m ti\u1ec3u c\u1ea7u huy\u1ebft kh\u1ed1i mi\u1ec5n d\u1ecbch do vaccine” (VITT).<\/p>\n\n\n\n
Ti\u1ebfn s\u0129 Greinacher g\u1ecdi \u0111\u00e2y l\u00e0 “tin t\u1ed1t” \u0111\u1ed1i v\u1edbi ph\u1ea7n \u0111\u00f4ng d\u00e2n s\u1ed1, h\u1ea7u h\u1ebft kh\u00f4ng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc b\u1ea5t th\u01b0\u1eddng. Tuy nhi\u00ean, \u00f4ng n\u00f3i th\u00eam: “Ch\u00fang ta ch\u01b0a th\u1ec3 d\u1ef1 \u0111o\u00e1n ai c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t tri\u1ec3n lo\u1ea1i kh\u00e1ng th\u1ec3 n\u00e0y”.<\/p>\n\n\n\n
Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u1ec1 ngh\u1ecb s\u1eed d\u1ee5ng thu\u1ed1c ch\u1ed1ng \u0111\u00f4ng m\u00e1u \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh nh\u00e2n. \u0110\u1ebfn nay, ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ee7a ti\u1ebfn s\u0129 Greinacher ch\u1ec9 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c kho\u1ea3ng 40 tr\u01b0\u1eddng h\u1ee3p nh\u01b0 tr\u00ean, trong s\u1ed1 1,4 tri\u1ec7u ng\u01b0\u1eddi \u0110\u1ee9c \u0111\u00e3 ti\u00eam ch\u1ee7ng. \u00d4ng cho r\u1eb1ng nh\u1eefng ca t\u1eed vong sau ti\u00eam \u1edf ng\u01b0\u1eddi tr\u1ebb tu\u1ed5i l\u00e0 “bi k\u1ecbch”, song c\u0169ng l\u01b0u \u00fd con s\u1ed1 n\u00e0y r\u1ea5t nh\u1ecf. Ti\u1ebfn s\u0129 Greinacher c\u1ea3nh b\u00e1o: “Kh\u00f4ng ti\u00eam ch\u1ee7ng s\u1ebd khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi b\u1ecb b\u1ec7nh n\u1eb7ng h\u01a1n”.<\/p>\n\n\n\n
Nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc Na Uy cho k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1. C\u00f4ng tr\u00ecnh ti\u1ebfn h\u00e0nh tr\u00ean 5 b\u1ec7nh nh\u00e2n, m\u1ed9t nam v\u00e0 4 n\u1eef trong \u0111\u1ed9 tu\u1ed5i t\u1eeb 32 \u0111\u1ebfn 54. T\u1ea5t c\u1ea3 b\u1ecb \u0111\u00f4ng m\u00e1u ho\u1eb7c xu\u1ea5t huy\u1ebft b\u1ea5t th\u01b0\u1eddng t\u1eeb 7 \u0111\u1ebfn 10 ng\u00e0y sau ti\u00eam vaccine AstraZeneca. 4 ng\u01b0\u1eddi c\u00f3 c\u1ee5c m\u00e1u \u0111\u00f4ng trong n\u00e3o, 3 ng\u01b0\u1eddi \u0111\u00e3 t\u1eed vong. Tri\u1ec7u ch\u1ee9ng ban \u0111\u1ea7u c\u1ee7a h\u1ecd l\u00e0 \u0111au \u0111\u1ea7u d\u1eef d\u1ed9i. Gi\u1ed1ng v\u1edbi c\u00e1c b\u1ec7nh nh\u00e2n \u0110\u1ee9c, h\u1ecd \u0111\u1ec1u c\u00f3 l\u01b0\u1ee3ng kh\u00e1ng th\u1ec3 b\u1ea5t th\u01b0\u1eddng k\u00edch ho\u1ea1t ti\u00eau c\u1ea7u.<\/p>\n\n\n\n
C\u00e1c nh\u00e0 khoa h\u1ecdc Na Uy khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng globulin mi\u1ec5n d\u1ecbch ti\u00eam t\u0129nh m\u1ea1ch \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh nh\u00e2n. Nh\u00f3m nghi\u00ean c\u1ee9u nh\u1eadn \u0111\u1ecbnh t\u00ecnh tr\u1ea1ng n\u00e0y hi\u1ebfm g\u1eb7p, song l\u00e0 “c\u00f3 th\u1ec3 t\u00e0n ph\u00e1 s\u1ee9c kh\u1ecfe ng\u01b0\u1eddi tr\u1ebb”.<\/p>\n\n\n\n
Tr\u01b0\u1edbc \u0111\u00f3, gi\u1edbi chuy\u00ean gia \u0111\u1ec1 ra nhi\u1ec1u gi\u1ea3 thuy\u1ebft li\u00ean quan \u0111\u1ebfn ch\u1ee9ng \u0111\u00f4ng m\u00e1u sau ti\u00eam vaccine Covid-19. M\u1ed9t s\u1ed1 ng\u01b0\u1eddi cho r\u1eb1ng lo\u1ea1i virus v\u00f4 h\u1ea1i, mang DNA c\u1ee7a tinh tinh c\u00f3 trong vaccine AstraZeneca l\u00e0 nguy\u00ean nh\u00e2n. Ti\u1ebfn s\u0129 Greinacher nh\u1eadn \u0111\u1ecbnh gi\u1ea3 thuy\u1ebft n\u00e0y h\u1ee3p l\u00fd, song ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e2m s\u00e0ng.<\/p>\n\n\n\n
K\u1ec3 t\u1eeb khi \u0111\u01b0\u1ee3c tri\u1ec3n khai, vaccine AstraZeneca g\u00e2y nhi\u1ec1u tranh c\u00e3i. H\u1ed3i th\u00e1ng 3, h\u00e0ng lo\u1ea1t qu\u1ed1c gia ch\u00e2u \u00c2u nh\u01b0 \u0110\u1ee9c, Ph\u00e1p, Italy ng\u1eebng s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m do lo ng\u1ea1i v\u1ec1 ch\u1ee9ng \u0111\u00f4ng m\u00e1u. Ng\u00e0y 18\/3, C\u01a1 quan Qu\u1ea3n l\u00fd D\u01b0\u1ee3c ph\u1ea9m ch\u00e2u \u00c2u (EMA) tuy\u00ean b\u1ed1 vaccine “an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3”, kh\u00f4ng li\u00ean quan \u0111\u1ebfn t\u00ecnh tr\u1ea1ng huy\u1ebft kh\u1ed1i t\u0129nh m\u1ea1ch. C\u00e1c n\u01b0\u1edbc n\u1ed1i l\u1ea1i ch\u01b0\u01a1ng tr\u00ecnh ti\u00eam ch\u1ee7ng. Tuy nhi\u00ean, s\u1ed1 ca \u0111\u00f4ng m\u00e1u x\u1ea3y ra nhi\u1ec1u h\u01a1n. \u0110\u1ebfn h\u00f4m 7\/4, EMA thay \u0111\u1ed5i quan \u0111i\u1ec3m, c\u00f4ng nh\u1eadn m\u00e1u \u0111\u00f4ng l\u00e0 “t\u00e1c d\u1ee5ng ph\u1ee5 hi\u1ebfm g\u1eb7p c\u1ee7a vaccine”. Nhi\u1ec1u qu\u1ed1c gia sau \u0111\u00f3 \u0111\u00e3 gi\u1edbi h\u1ea1n \u0111\u1ed9 tu\u1ed5i ti\u00eam ch\u1ee7ng. Tuy v\u1eady, EMA c\u0169ng nh\u01b0 T\u1ed5 ch\u1ee9c Y t\u1ebf Th\u1ebf gi\u1edbi v\u1eabn khuy\u1ebfn ngh\u1ecb ti\u1ebfp t\u1ee5c ti\u00eam vaccine b\u1edfi “nh\u1eefng l\u1ee3i \u00edch to l\u1edbn h\u01a1n c\u00e1c r\u1ee7i ro”.<\/p>\n\n\n\n
Th\u1ee5c Linh (Theo NY Times)
Ngu\u1ed3n tin : B\u00e1o VNEXPRESS<\/p>\n","protected":false},"excerpt":{"rendered":"
Nghi\u00ean c\u1ee9u t\u1eeb \u0110\u1ee9c v\u00e0 Na Uy cho th\u1ea5y \u1edf m\u1ed9t s\u1ed1 ng\u01b0\u1eddi c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m sinh h\u1ecdc hi\u1ebfm g\u1eb7p, vaccine AstraZeneca t\u1ea1o ra kh\u00e1ng […]<\/a><\/p>\n<\/div>","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,61],"tags":[],"class_list":["post-2824","post","type-post","status-publish","format-standard","hentry","category-ban-tin-y-te","category-covid-19"],"_links":{"self":[{"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=\/wp\/v2\/posts\/2824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2824"}],"version-history":[{"count":2,"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=\/wp\/v2\/posts\/2824\/revisions"}],"predecessor-version":[{"id":2826,"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=\/wp\/v2\/posts\/2824\/revisions\/2826"}],"wp:attachment":[{"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2824"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2824"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongkhamdaihocypnt.edu.vn\/bantin\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}