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Older Stored Blood Associated With Increased Post-Op Risk

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At a glance:

Researchers at Duke University have analyzed medical data and concluded that the age of stored blood for transfusions may be an issue for people having repeat heart surgery. 
 
More study is needed, but findings so far suggest that the older the blood, the greater the risk of respiratory and kidney problems, longer recovery time and death. 
 
The maximum time that blood is allowed to be stored is 42 days. 
 
The risk also seems to increase with number of transfusions required. 
 
It is thought that changes in red blood cells over time may be the cause.

Older blood associated with worse outcomes after repeat heart ...

EurekAlert - 6/22/2006 1:27 AM

DURHAM, N.C. – Older stored blood transfused into patients undergoing repeat heart surgery is associated with a significant increased risk of death, both during a patient's hospital stay and over the longer term following discharge, according to a new analysis by researchers from Duke University Medical Center and Columbia University.
 
Use of older blood also is associated with an increased risk for kidney problems, acute respiratory distress and longer confinement to intensive care units, the researchers found.
 
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Comment On: Older Stored Blood Associated With Increased Post-Op Risk
Posted by 29807 on 11/13/2008 | Filed Under: Heart & Respiratory

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