500 đ n v chi m h n 20 ? ị ? ị ? ? t ng l ng

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n v máu, trong đó riêng nhóm máu O còn 1.500 đ n v , chi m h n 20% ơ ơ ế ơ t ng l ng máu d tr . ượ
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Trong khi đó, trung bình m i ngày, Vi n Huy t h c - Truy n máu Trung ng ế ươ c n t i thi u 1.500 đ n v máu đ cung c p cho nhu c u c p c u và đi u tr t i ơ ị ạ 180 b nh vi n Hà N i và các t nh phía B c. Riêng nhóm máu O ph i c n t i thi u 45% t ng l ng máu, t ng đ ng g n 700 đ n v máu m i ngày. Nh ượ ươ ươ ơ ư v y, nhóm máu O hi n t i s ch đ m b o cung c p đ trong vòng 1 ngày cho khu v c mi n B c. Nh n đ nh v tình tr ng khan hi m nhóm máu O d tr , TS. B ch Qu c Khánh ế cho bi t: "Tình tr ng khan hi m nhóm máu O hi n là tình tr ng chung trên c ế ế n c. Tuy nhiên, vi c thi u máu d tr th ng ch x y ra nh t th i, nguyên ướ ế ườ nhân ch y u là do nhu c u c a b nh nhân v nhóm máu O tăng lên đáng k , ế trong khi th i đi m này l ng ng i tham gia hi n máu gi m xu ng. Hi n ch ượ ườ ế có nhóm máu O trong tình tr ng thi u, còn các nhóm máu khác nh A, B v n có ế ư đ đ cung c p". Pantai Kuala Lumpur Hospital only has blood stock of 15 pints a day and has to get supply from the National Blood Center if there is an emergency for surgeries and births. After blood is donated, it will be separated into plasma, red cells and platelets to cater to different needs. The problem is platelets are good for usage only for five days compared to the other components. As a result, maintaining an adequate blood supply is a challenge. Every two seconds, someone needs blood and about 1 in 7 people entering hospitals need blood. That means a lot of blood is needed. The demand for blood is high, but the supply is not enough.That's a lot of blood .Sometimes the blood can be pre-donated by the patients themselves .However, most of the blood, needs to come from healthy volunteer donors.Yet only 5% of the eligible VN
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