transfusion of blood product history: 1920:sodium citrate anticoagulant(10 days storage) 1958:...
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TransfusionTransfusionofof
Blood ProductBlood Product
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History:History:1920:Sodium citrate anticoagulant(10 days storage) 1958: Plastic bag of transfusion 1656: Initial theory
and methods (UK)1665: Dog to dog transfusion1667:Animal to human transfusion(20 times)by
Denys ;one case expired with anaphylaxis in third transfusion
1975: Blood banking and blood products
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Major Indication for Major Indication for Blood Product Blood Product Transfusion:Transfusion:
Restore Blood VolumeMaintain oxygen carrying capacityMaintain hemostasisMaintain leukocyte function
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Blood Donors:Blood Donors:Healthy volunteersHealthy volunteersUsually over the age of 17 years17 years At least 110 pounds110 pounds in weight.Each donor is initially screened
through a detailed medical detailed medical historyhistory
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Blood Test:Blood Test:
1. Antibodies to HIV-1 and HIV-2 (AIDS),
2. Antibodies to HBc produced during and after infection with Hepatitis B Virus
3. Antibodies to HCV produced after infection with the Hepatitis C virus
4. Antibodies to HTLV-I/II produced after infection
5. Antibodies to HBsAg produced after infection with Hepatitis B
6. HIV-1 p24, a test for the HIV (AIDS) antigen
7. For blood type (ABO) and Rh factor
8. Tp, the agent that causes syphilis
9. ALT,Coombs,CMV 10. NAT
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NAT (Nucleic Acid Testing):NAT (Nucleic Acid Testing):
A new technology that can detect the genetic material of Hepatitis C
and HIV.
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Packed Cell Platelet Concentrate Plasma
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Red Blood Cells:Red Blood Cells:
40-50% Blood VolumeOxygen carrying Store till 42 days in 4-8 CThe most commonly blood
product
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Platelets:Platelets:
Platelets account for a small percentage of whole blood volume
Control bleeding Often transfused in
multiple dosesmultiple doses Platelets must be
stored at room stored at room temperaturetemperature
Only a five dayfive day shelf life
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Plasma:Plasma: A watery substanceA watery substance in which proteins
that trigger blood clotting mechanisms are suspended.
Plasma is used as a raw material raw material ““Fractionated”Fractionated” into its different
protein components Factor VIII, and other factors Plasma can be stored frozen for up to up to
one yearone year
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ContraindicationContraindication of of Blood Product Blood Product TransfusionTransfusion
No Absolute Indication of Blood Product Transfusion
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The The most important most important factorfactor for blood for blood
transfusion:transfusion:
Patient’s clinical conditionPatient’s clinical condition
(Not a laboratory results)
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Questions that need to be Questions that need to be asked prior to a blood asked prior to a blood
transfusion?transfusion?1)Will the patient’s conditionpatient’s condition be improved by a
blood transfusion?2)Do any alternative therapiesalternative therapies to blood transfusion
exist?3)Do the benefitbenefit of a blood transfusion outweigh
the potential risks?
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Criteria for viability of red Criteria for viability of red blood cells on the final day of blood cells on the final day of
storage in particular storage in particular anticoagulant:anticoagulant:
1)A mean of 75%survival 24 hours after transfusion
2)Less than 4% hemolysis3)Normal survival after 24 hours
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Indication for Packed Indication for Packed Cell Transfusion in Ill Cell Transfusion in Ill
Patient who Admitted in Patient who Admitted in ICU:ICU:
HCT<35-40%In Neonate HCT<40-45%
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Hct( Post transfusion)Hct( Post transfusion)==
(BW*80*Hct-P)+(R-Vol.*Hct-C)(BW*80*Hct-P)+(R-Vol.*Hct-C)BW*80BW*80
BW=Body Weight(Kg)Hct-P=Pretransfusion HematocritR-Vol.=Volume of red cell transfusionHct-C=Hematocrit of transfused cell
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Whole BloodWhole Blood ( <10 Days Storage): ( <10 Days Storage):
Those undergoing cardiac surgery cardiac surgery Acute blood loss Acute blood loss
( no suitable product is present)
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Shelf LifeShelf Life of of
Red Cell Products:Red Cell Products:CPD: 21 DaysCPD-A: 35 DaysAdsol(AS-1): 42 DaysNutricel(AS-3): 42 DaysOptisol(AS-5): 42 Days
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Red Cell Products:Red Cell Products:Whole BloodFresh Whole BloodFrozen Deglycerolized Packed CellsPacked CellsLeukoreduction of Red CellsIrradiation of Red Cells
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Whole Blood:Whole Blood:
Massive Transfusion
(Cardiac surgery)Exchange Transfusion
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Fresh Whole Blood:Fresh Whole Blood:Non refrigerated fresh blood administered by
exchange transfusion within 4-6 hours of drawing can deliver a sufficient number of viable leukocytes.
The dose required is 1x109 PMN/Kg (1½Blood Exchange Transfusion)
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Frozen Deglycerolized Frozen Deglycerolized Packed CellsPacked Cells
Antigen matched transfusionNeonatal transfusion
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Filtered Red Cells:Filtered Red Cells:
Prevention of febrile non hemolytic reaction
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Irradiation of Red Cells:Irradiation of Red Cells:
NeonatesImmuno-compromised recipients
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Massive Transfusion:Massive Transfusion:
Replacement of more than one blood volume within 6 hours period
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Causes of Massive Causes of Massive Transfusion:Transfusion:
Neonatal exchange transfusionCardiac surgeryTraumaLiver transplantation
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Complications of Complications of Massive Transfusion:Massive Transfusion:
Citrate toxicity AlkalosisHypokalemiaCoagulopathy
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Indication for Packed Indication for Packed Cell Transfusion in Ill Cell Transfusion in Ill
Patient who Admitted in Patient who Admitted in ICU:ICU:
HCT<35-40%In Neonate HCT<40-45%
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Criteria of Platelet Criteria of Platelet Transfusion:Transfusion:
Platelet count<5,000-10,000/LMinor or Major surgery<30,000-60,000/LBrain or Ophtalmic Surgery<50,000LMassive Transfusion<30,000/L
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Platelet Transfusion Platelet Transfusion Dose:Dose:
One unit platelet will increase the platelet by 10,000/L for each square meter of body surface
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Corrected Count IncrementCorrected Count Increment(CCI):(CCI):
1 Hour CCI<7,5001 Hour CCI<7,500 1)Alloimmunization 2)Autoimmunization 3)Blood Banking24 Hour CCI<4,50024 Hour CCI<4,500 1)Sepsis 2)Fever 3)DIC
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General Principles of Plasma General Principles of Plasma Protein Transfusion Therapy:Protein Transfusion Therapy:
Accurate diagnosisIn vivo volume distribution of plasmaHalf life of the infused proteinConcentration of the coagulation
factor in product
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Dose of Coagulation Dose of Coagulation Factors Requirement:Factors Requirement:
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