Old blood 'boosts infection risk

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Offline Dori

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Old blood 'boosts infection risk
« on: October 30, 2008, 09:15:25 PM »
Hi, I found this on bbcnews.co.uk. I saw several discussions about this before, but I believe we got a good source now. I hope you find this interesting. Best wishes, Dore

Old blood 'boosts infection risk'
Storing donated blood too long increases the chance of an infection, US researchers claim.

The risk of blood poisoning or pneumonia doubled once the 29-day mark passed, Cooper University Hospital in New Jersey found.

The study, presented at a US conference, calls for increased care over the way blood is used and stored.

UK authorities said blood took 10 days on average to reach hospitals and daily deliveries meant it was not stockpiled.

 The shelf life of blood in the UK is shorter than in the US
UK National Blood Service 

The US does not allow the use of blood stored for longer than 42 days - in the UK this is lower, at 35 days.

After two weeks in storage, red blood cells start to undergo changes which lead to the release of chemicals called "cytokines".

These are known to hinder immune function, and in high levels could possibly make patients more susceptible to infection.

Researchers looked at the rate of hospital infections in 422 patients against the age of the blood transfusion they received.

They found that the average age of the blood was 26 days, and 70 percent of patients had received blood older than 21 days.

Blood shortage fears

In total, 57 patients developed an infection - and these patients had received older blood than the others - on average it had been stored for three and a half days longer.

Patients who had received blood older than 28 days were twice as likely to develop an infection, and the more units of blood given, the higher was the chance of infection.

Dr David Gerber, who led the research, and presented the results at the American College of Chest Physicians conference in Philadelphia, said that any change to the time limit could lead to a blood shortage.

"More cautious utilisation of blood might help to alleviate, at in least part, a diminished blood supply that might result from such a change in policy." about

A spokesman for the National Blood Service said that UK hospitals were not as reliant on using older blood stocks.

"The shelf life of blood in the UK is shorter than in the US."

She said that the average age of blood arriving at hospitals was just over 10 days, and daily deliveries meant that hospitals were less inclined to stockpile blood.

She said: "We continue to work hard with hospitals to improve blood stocks management and ensure a safe, sufficient supply of blood to meet patients' needs."

Story from BBC NEWS:

Published: 2008/10/29 12:16:12 GMT



Offline Manal

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Re: Old blood 'boosts infection risk
« Reply #1 on: October 30, 2008, 10:36:56 PM »
Thanks Dore for such an important sharing :hugfriend



Offline nice friend

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Re: Old blood 'boosts infection risk
« Reply #2 on: October 31, 2008, 12:19:03 AM »
Dore ,
its realy important information ,thanx for sharing realy informative article , keep it up... stay in touch and keep posting ....

Sometimes , God breaks our spirit to save our soul.
Sometimes , He breaks our heart to make us whole.
Sometimes , He sends us pain so we can be stronger.
Sometimes , He sends us failure so we can be humble.
Sometimes , He sends us illness so we can take better care of our selves.
Sometimes , He takes everything away from us so we can learn the value of everything we have.



Offline Zaini

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Re: Old blood 'boosts infection risk
« Reply #3 on: October 31, 2008, 06:31:09 AM »

That was really informative,the fresher the blood is,it stays more for more days in the body.



Offline Annie

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Re: Old blood 'boosts infection risk
« Reply #4 on: October 31, 2008, 07:17:37 AM »
Thank you frnd
for your information


Offline Lyanne

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Re: Old blood 'boosts infection risk
« Reply #5 on: October 31, 2008, 08:50:27 AM »

     Hi! Dore....thanx for the very informative information..... That's why my Pedia back then always states in his hospital order Fresh packed blood and even my hema now when I was recently hospitalized specified  Fresh packed RBC.... it is more safe less reaction :wink
LYANNE :yahoo


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