Blood Preservation and Banking Flashcards
Blood collection or exposure to air through an open port.
Open system
shortens expiration due to potential bacterial contamination
Crucial areas for normal erythrocyte survival and function.
Normal RBC membrane composition and structure, Hemoglobin structure and function, RBC metabolism.
Goal of blood preservation.
Provide viable and functional blood components for transfusion.
FDA requirement for post-transfusion RBC survival.
Average 24-hour post-transfusion RBC survival must be more than 75%.
Chelates calcium to prevent coagulation
Citrate/Sodium Citrate
Maintains pH and adequate levels of 2,3-DPG
Phosphate buffer/Sodium diphosphate
Sugar to support RBC life and ATP production
Dextrose
Used in ATP synthesis, extends shelf-life from 21 to 35 days
Adenine
Decreased RBC storage lesion effect on RBCs.
Decreased % viable cells, Glucose, ATP, pH, 2-3 DPG.
Increased microaggregate effects in RBC storage.
Increased lactic acid, Plasma K+, Plasma hemoglobin.
Oxyhemoglobin-dissociation curve shift in RBC storage lesions.
Shift to the left, increase hemoglobin affinity for O2, decreased O2 delivery to tissues.
Acid citrate dextrose (ACD) storage
21 days storage period
Citrate phosphate dextrose (CPD) storage
21 days storage period
Citrate phosphate double dextrose (CP2D) storage
21 days storage period
Citrate phosphate dextrose adenine-2 (CPDA-2) storage
35 days storage period
Citrate phosphate dextrose adenine-1 (CPDA-1) storage (most common)
35 days storage period
Additive content in AS-1.
ADSOL (AS-1) - SALINE, ADENINE, GLUCOSE, MANNITOL
Additive content in AS-3.
NUTRICEL (AS-3) - SALINE, ADENINE, CITRATE, PHOSPHATE
Additive content in AS-5.
OPTISOL (AS-5) - SALINE, ADENINE, MANNITOL
Additive content in AS-7.
SOLX (AS-7) - SALINE, ADENINE, MANNITOL
Storage period for blood stored with AS-1, AS-3, AS-5, AS-7 additives.
42 DAYS
Sedimenting agent for WBC separation
Hydroxyethyl Starch (HES)
Corticosteroids (Prednisone or Dexamethasone) / Growth factors function
Increase circulating RBC
Male (FDA Double RBCs) requirement
130 lbs minimum, 5’1’’ height
Female (FDA Double RBCs) requirement
150 lbs minimum, 5’5’’ height
Hematocrit (FDA Double RBCs) requirement
> 40%
Single donor platelets (Whole blood)
Plateletpheresis
Apheresis is standard and acceptable, either as primary therapy or as a first-line adjunct to other initial therapies.
Category I
Apheresis is generally accepted in a supportive role or as second-line therapy, rather than first-line therapy.
Category II
Apheresis is not clearly indicated based on insufficient evidence, conflicting results, or inability to document a favorable risk-to-benefit ratio.
Category III
Apheresis has been demonstrated to lack efficacy or be harmful and should be discouraged in these disorders.
Category IV
FDA-recognized blood labeling languages.
ABC Codabar, ISBT 128
Blood label color indication for Blood Type A.
YELLOW
Blood label color indication for Blood Type B.
PINK
Blood label color indication for Blood Type AB.
WHITE
Blood label color indication for Blood Type O.
BLUE
Blood label color for hold for further processing.
TAN
Blood label color for emergency use only.
ORANGE