{"id":1272,"date":"2022-04-18T19:18:57","date_gmt":"2022-04-18T19:18:57","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=1272"},"modified":"2022-04-18T19:18:57","modified_gmt":"2022-04-18T19:18:57","slug":"space-anemia-a-major-obstacle-to-long-term-space-travel","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/space-exploration\/space-anemia-a-major-obstacle-to-long-term-space-travel\/","title":{"rendered":"Thi\u1ebfu m\u00e1u ngo\u00e0i kh\u00f4ng gian: R\u00e0o c\u1ea3n l\u1edbn cho nh\u1eefng chuy\u1ebfn du h\u00e0nh v\u0169 tr\u1ee5 d\u00e0i ng\u00e0y"},"content":{"rendered":"

Thi\u1ebfu m\u00e1u trong kh\u00f4ng gian: Tr\u1edf ng\u1ea1i l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c chuy\u1ebfn du h\u00e0nh v\u0169 tr\u1ee5 d\u00e0i ng\u00e0y<\/h2>\n\n

\u1ea2nh h\u01b0\u1edfng c\u1ee7a du h\u00e0nh v\u0169 tr\u1ee5 \u0111\u1ebfn m\u00e1u c\u1ee7a c\u00e1c phi h\u00e0nh gia<\/h2>\n\n

Du h\u00e0nh v\u0169 tr\u1ee5 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u01a1 th\u1ec3 con ng\u01b0\u1eddi v\u00e0 nghi\u00ean c\u1ee9u m\u1edbi \u0111\u00e3 ti\u1ebft l\u1ed9 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng lo ng\u1ea1i \u0111\u1ed1i v\u1edbi m\u00e1u c\u1ee7a c\u00e1c phi h\u00e0nh gia. Theo m\u1ed9t nghi\u00ean c\u1ee9u \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature Medicine, c\u00e1c phi h\u00e0nh gia ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh ph\u00e1 h\u1ee7y t\u1ebf b\u00e0o h\u1ed3ng c\u1ea7u c\u1ee7a ch\u00ednh h\u1ecd khi \u1edf trong kh\u00f4ng gian.<\/p>\n\n

Thi\u1ebfu m\u00e1u trong kh\u00f4ng gian l\u00e0 g\u00ec?<\/h2>\n\n

Thi\u1ebfu m\u00e1u trong kh\u00f4ng gian l\u00e0 t\u00ecnh tr\u1ea1ng \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng h\u1ed3ng c\u1ea7u. H\u1ed3ng c\u1ea7u ch\u1ee9a hemoglobin, m\u1ed9t lo\u1ea1i protein v\u1eadn chuy\u1ec3n oxy t\u1eeb ph\u1ed5i \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c c\u1ee7a c\u01a1 th\u1ec3. Vi\u1ec7c thi\u1ebfu h\u1ed3ng c\u1ea7u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn thi\u1ebfu m\u00e1u, g\u00e2y ra t\u00ecnh tr\u1ea1ng m\u1ec7t m\u1ecfi, y\u1ebfu \u1edbt v\u00e0 kh\u00f3 th\u1edf.<\/p>\n\n

Nguy\u00ean nh\u00e2n g\u00e2y thi\u1ebfu m\u00e1u trong kh\u00f4ng gian<\/h2>\n\n

Nghi\u00ean c\u1ee9u ch\u1ec9 ra r\u1eb1ng thi\u1ebfu m\u00e1u trong kh\u00f4ng gian l\u00e0 do s\u1ef1 d\u1ecbch chuy\u1ec3n ch\u1ea5t l\u1ecfng x\u1ea3y ra b\u00ean trong c\u01a1 th\u1ec3 c\u00e1c phi h\u00e0nh gia khi h\u1ecd th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u00f4ng tr\u1ecdng l\u1ef1c c\u1ee7a kh\u00f4ng gian. S\u1ef1 d\u1ecbch chuy\u1ec3n ch\u1ea5t l\u1ecfng n\u00e0y c\u00f3 th\u1ec3 g\u00e2y \u00e1p l\u1ef1c l\u00ean h\u1ec7 tu\u1ea7n ho\u00e0n c\u1ee7a c\u01a1 th\u1ec3, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng ph\u00e1 h\u1ee7y h\u1ed3ng c\u1ea7u gia t\u0103ng.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng c\u1ee7a thi\u1ebfu m\u00e1u trong kh\u00f4ng gian<\/h2>\n\n

M\u1eb7c d\u00f9 thi\u1ebfu m\u00e1u trong kh\u00f4ng gian kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1edbn trong m\u00f4i tr\u01b0\u1eddng kh\u00f4ng tr\u1ecdng l\u1ef1c c\u1ee7a kh\u00f4ng gian, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng k\u1ec3 khi tr\u1edf v\u1ec1 Tr\u00e1i \u0111\u1ea5t. C\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a thi\u1ebfu m\u00e1u, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ec7t m\u1ecfi v\u00e0 y\u1ebfu \u1edbt, c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 v\u00e0 ho\u00e0n th\u00e0nh s\u1ee9 m\u1ec7nh c\u1ee7a c\u00e1c phi h\u00e0nh gia.<\/p>\n\n

T\u00e1c \u0111\u1ed9ng l\u00e2u d\u00e0i c\u1ee7a thi\u1ebfu m\u00e1u trong kh\u00f4ng gian<\/h2>\n\n

Nghi\u00ean c\u1ee9u c\u0169ng ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a thi\u1ebfu m\u00e1u trong kh\u00f4ng gian c\u00f3 th\u1ec3 k\u00e9o d\u00e0i \u00edt nh\u1ea5t m\u1ed9t n\u0103m sau khi c\u00e1c phi h\u00e0nh gia tr\u1edf v\u1ec1 Tr\u00e1i \u0111\u1ea5t. Vi\u1ec7c ph\u00e1 h\u1ee7y h\u1ed3ng c\u1ea7u v\u1eabn \u1edf m\u1ee9c cao, m\u1eb7c d\u00f9 \u1edf m\u1ee9c \u0111\u1ed9 th\u1ea5p h\u01a1n so v\u1edbi khi \u1edf trong kh\u00f4ng gian. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng c\u01a1 th\u1ec3 c\u1ea7n th\u1eddi gian \u0111\u1ec3 ph\u1ee5c h\u1ed3i sau nh\u1eefng thay \u0111\u1ed5i v\u1ec1 m\u1eb7t sinh l\u00fd khi \u1edf trong kh\u00f4ng gian.<\/p>\n\n

\u00dd ngh\u0129a \u0111\u1ed1i v\u1edbi c\u00e1c chuy\u1ebfn du h\u00e0nh v\u0169 tr\u1ee5 trong t\u01b0\u01a1ng lai<\/h2>\n\n

Vi\u1ec7c ph\u00e1t hi\u1ec7n ra t\u00ecnh tr\u1ea1ng thi\u1ebfu m\u00e1u trong kh\u00f4ng gian c\u00f3 \u00fd ngh\u0129a r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ee9 m\u1ec7nh du h\u00e0nh v\u0169 tr\u1ee5 d\u00e0i ng\u00e0y trong t\u01b0\u01a1ng lai, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c s\u1ee9 m\u1ec7nh l\u00ean sao H\u1ecfa. C\u00e1c phi h\u00e0nh gia trong nh\u1eefng s\u1ee9 m\u1ec7nh nh\u01b0 v\u1eady s\u1ebd c\u1ea7n ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng duy tr\u00ec s\u1ed1 l\u01b0\u1ee3ng h\u1ed3ng c\u1ea7u kh\u1ecfe m\u1ea1nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ecd v\u00e0 th\u00e0nh c\u00f4ng c\u1ee7a s\u1ee9 m\u1ec7nh.<\/p>\n\n

C\u00e1c gi\u1ea3i ph\u00e1p ti\u1ec1m n\u0103ng<\/h2>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang kh\u00e1m ph\u00e1 nhi\u1ec1u chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c nhau \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 thi\u1ebfu m\u00e1u trong kh\u00f4ng gian. M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn l\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u1ebf \u0111\u1ed9 \u0103n u\u1ed1ng c\u1ee7a c\u00e1c phi h\u00e0nh gia \u0111\u1ec3 cung c\u1ea5p h\u1ed7 tr\u1ee3 dinh d\u01b0\u1ee1ng t\u1ed1t h\u01a1n cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t t\u1ebf b\u00e0o m\u00e1u. M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c t\u1eadp trung v\u00e0o vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb \u0111\u1ec3 ng\u0103n ng\u1eeba ho\u1eb7c l\u00e0m gi\u1ea3m t\u00ecnh tr\u1ea1ng ph\u00e1 h\u1ee7y h\u1ed3ng c\u1ea7u.<\/p>\n\n

M\u1ed1i li\u00ean quan \u0111\u1ebfn nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng ph\u1ea3i l\u00e0 phi h\u00e0nh gia<\/h2>\n\n

M\u1eb7c d\u00f9 thi\u1ebfu m\u00e1u trong kh\u00f4ng gian ch\u1ee7 y\u1ebfu l\u00e0 m\u1ed1i quan t\u00e2m \u0111\u1ed1i v\u1edbi c\u00e1c phi h\u00e0nh gia, nh\u01b0ng nh\u1eefng ph\u00e1t hi\u1ec7n c\u1ee7a nghi\u00ean c\u1ee9u c\u00f3 \u00fd ngh\u0129a r\u1ed9ng h\u01a1n. Nghi\u00ean c\u1ee9u l\u00e0m s\u00e1ng t\u1ecf nh\u1eefng s\u1ef1 th\u00edch nghi v\u1ec1 m\u1eb7t sinh l\u00fd x\u1ea3y ra \u0111\u1ec3 \u0111\u00e1p \u1ee9ng v\u1edbi nh\u1eefng thay \u0111\u1ed5i v\u1ec1 tr\u1ecdng l\u1ef1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 c\u00f3 \u1ee9ng d\u1ee5ng trong vi\u1ec7c hi\u1ec3u v\u00e0 \u0111i\u1ec1u tr\u1ecb m\u1ed9t s\u1ed1 t\u00ecnh tr\u1ea1ng tr\u00ean Tr\u00e1i \u0111\u1ea5t, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebfu m\u00e1u li\u00ean quan \u0111\u1ebfn t\u00ecnh tr\u1ea1ng n\u1eb1m li\u1ec7t gi\u01b0\u1eddng ho\u1eb7c c\u00e1c b\u1ec7nh m\u00e3n t\u00ednh.<\/p>\n\n

K\u1ebft lu\u1eadn<\/h2>\n\n

Thi\u1ebfu m\u00e1u trong kh\u00f4ng gian l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c nghi\u00eam tr\u1ecdng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft \u0111\u1ec3 c\u00e1c chuy\u1ebfn du h\u00e0nh v\u0169 tr\u1ee5 d\u00e0i ng\u00e0y c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh hi\u1ec7n th\u1ef1c. Nghi\u00ean c\u1ee9u \u0111ang di\u1ec5n ra l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u01a1 ch\u1ebf \u0111\u1eb1ng sau t\u00ecnh tr\u1ea1ng thi\u1ebfu m\u00e1u trong kh\u00f4ng gian v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1c phi h\u00e0nh gia trong t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"

Thi\u1ebfu m\u00e1u trong kh\u00f4ng gian: Tr\u1edf ng\u1ea1i l\u1edbn \u0111\u1ed1i v\u1edbi c\u00e1c chuy\u1ebfn du h\u00e0nh v\u0169 tr\u1ee5 d\u00e0i ng\u00e0y \u1ea2nh h\u01b0\u1edfng c\u1ee7a du h\u00e0nh v\u0169 tr\u1ee5 \u0111\u1ebfn m\u00e1u c\u1ee7a c\u00e1c phi…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[494],"tags":[2883,2884,1231,2882,2881],"class_list":["post-1272","post","type-post","status-publish","format-standard","hentry","category-space-exploration","tag-space-travel","tag-health-in-space","tag-astronauts","tag-red-blood-cells","tag-space-anemia"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=1272"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1272\/revisions"}],"predecessor-version":[{"id":1273,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/1272\/revisions\/1273"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=1272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=1272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=1272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}