Doctor insights on:
Contraindications For Blood Transfusion
Almost risk free: Alexis, i would have to say that blood transfusions are safe but not entirely risk free. Those that donate blood are given a rigorous questionaire, and physically examined. Then the blood removed is tested for all types of infectious disease agents including hepatitis and hiv. The unit is then processed, stored under strict federal guidelines, and tested again before you receive the unit. ...Read moreSee 1 more doctor answer
IV bag: Blood is collected by IV into a specialized, sealed, sterile plastic bag containing an anti-coagulant. It is then refrigerated (after blood typing and testing for infections) until needed. The shelf life is 21-35 days depending on the preservative used (anti-coagulant). ...Read moreSee 1 more doctor answer
Relatively: The greatest danger is lung damage, which is thankfully only a real problem in 1 person out of about 5000; the vast majority of folks recover. Hives and fever are nuisances but fairly comon. Blood is screened for the deadly infections including hepatitis b and c, HIV 1 and 2, and several other viruses using 21st century technology and the risk -- monitored carefully -- is extremely low. ...Read more
Can a patient receiving multiple blood and plasma transfusions test positive for THC if the blood donor had recently used marijauna?
Safe if necessary: Blood transfusions are given only when necessary especially in the younger population or blood disorders. Transfusions are necessary for major bleeding resulting in shock, low blood pressures, or continued blood loss. All transfusions are screened and safe but there is always a 1-3% risk of a clerical error. Pts. With blood disorders face increased risk of blood transfusion reactions. ...Read moreSee 1 more doctor answer
Why do doctors cross-match an infant's and mother's blood before performing an exchange blood transfusion?
ABO incompatability: Generally, if the mother is known to be of O blood type, we also check the baby's blood type as well as check for antibodies in the baby's blood (direct coombs test). If there is ABO incompatibility, positive coombs, high reticulocyte count and early jaundice then the baby will possibly require an exchange transfusion to prevent kernicterus ...Read more
Yes: Transfusion-associated immuno-modulation (TRIM) is independent of whether the blood is allogenic, autogenic, or leukodepleted. This has been described since 1973, seen in the improved graft survival in kidney transplant in transfused patients. Some effects include down-regulation of the immune function by decreasing cytokine production, and an increase in T suppressor cell number and function. ...Read more
How long ago?: This depends on how long ago you had malaria and whether or not you were adequately treated. If you have traveled to a region known to harbor malaria, you are deferred for 1 year. If you lived there or have been diagnosed with malaria, you are deferred for 3 years adn must remain symptom free. http://www.cdc.gov/malaria/blood_banks.html. ...Read moreSee 2 more doctor answers
Can a patient with ongoing blood transfusion be extracted with blood to be tested for Blood Urea Nitrogen?
Of course: And results are basically valid. BUN is unlikely to be much elevated in infused blood as it's taken from healthy folks. ...Read more
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