BLOOD COMPONENT IN NEONATAL TRANSFUSION...
Transcript of BLOOD COMPONENT IN NEONATAL TRANSFUSION...
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Sianny Herawati
Departemen Patologi Klinik Fakultas Kedokteran
Universitas Udayana / RSUP Sanglah Denpasar
BLOOD COMPONENT IN NEONATAL TRANSFUSION PRACTICE
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INTRODUCTION
Transfusion practice in neonates differs from adults
Physiologic changes during transition from fetus to adolescent
Blood volume
Hematologic norms
Immune system maturity
Physiologic response to hypovolemia and hypoxia
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Complexity of neonatal transfusion practices
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INTRODUCTION
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most neonatal transfusion are given to very low birth weight (VLBW) infants
Advances in neonatology → permit survival of extremely premature infants
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INTRODUCTION
Pemakaian komponen darah BDRS Sanglah periode Januari – Desember 2018
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Komponen Jumlahpemakaian pada
neonatus
Total seluruhpemakaian
% pemakaianpada
neonatus
PRC 429 19.341 2.22
TC 218 10.554 2.07
FFP 121 1.381 8.76
Cryoprecipitate
75 195 38.46
0
5
10
15
20
25
30
35
40
PRC TC FFP Cryoprecipitate
2.22 2.07
8.76
38.46
% pemakaian pada neonatus
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NEONATAL TRANSFUSION
PRACTICE
Neonatal transfusion practice: transfusion practice during newborn period (birth to 4 months)
Patients younger than 4 months →
small blood/plasma volumes and
immature organ system function
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NEONATAL TRANSFUSION
PRACTICE
Physiologic Anemia of Infancy
Decrease erythropoietin
(EPO) → diminished red cell production
Decreased survival of
fetal red cells
Increasing blood volume due to rapid
growth
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NEONATAL TRANSFUSION
PRACTICE
Consideration for neonatal transfusion
Body size and blood volume
Erythropoietic response and
therapy
Cold stress
Immunologic status
Immature metabolic pathways
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BLOOD COMPONENT IN NEONATAL TRANSFUSION PRACTICE
Red blood cell
Platelet concentrate
Fresh Frozen Plasma (FFP)
Cryoprecipitate
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NEONATAL TRANSFUSION
PRACTICE
Blo
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Fresh, less than 7 days old
O-negative or compatible with mother and infant
CMV-negative or leukocyte reduced
Irradiated
Hemoglobin S-negative for hypoxic newborns
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NEONATAL RED BLOOD CELL TRANSFUSION
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acute blood loss of >10% blood volume
hemoglobin < 8 g/dL in a stable newborn with symptoms of anemia (apnea, bradycardia, tachycardia, decreased vigor, poor weight gain)
hemoglobin < 12 g/dL in an infant with respiratory distress syndrome or congenital heart disease
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Transfusion thresholds for RBCs
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NEONATAL TRANSFUSION
PRACTICE
Anemia in the first 24 hours Hb 12 g/dl (Hct 0,36)
Cumulative blood loss in 1 week in neonate requiring intensive care
10% blood volume
Neonates receiving intensive care Hb 12 g/dl
Acute blood loss 10% blood volume
Chronic oxygen dependency Hb 11 g/dl
Late anemia, stable infant Hb 7 g/dl
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NEONATAL RED BLOOD CELL TRANSFUSION
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Small volume
neonatal red cell transfusion
Large volume
neonatal red cell transfusion
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Small volume transfusion (< 20 ml/kg)
Small volume aliquot:
To limit donor exposures
Prevent circulatory overload
Potentially decrease donor related risks
Multiple pack system
Repeated small volume top up red cell transfusion→ commonly in preterm babies → to replace losses from repeated blood testing
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NEONATAL TRANSFUSION
PRACTICE
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NEONATAL TRANSFUSION
PRACTICE
Methods for preparing small aliquots for transfusion
Transfer from collection bag to satellite bag/transfer bag
Blood can be withdrawn from collection bag using injection site coupler and needle and syringe or a
sterile docking device and syringe.
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TRANSFUSION ADMINISTRATION
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Pedi bag prepared from a single unit of RBC
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NEONATAL TRANSFUSION
PRACTICE
Large volume neonatal red cell transfusion
Equivalent to single circulating blood volume ( ± 80 ml/kg)
Mainly used in neonatal cardiac surgery, exchange transfusion
Less than 5 days from donation
Irradiated
CMV seronegative
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PLATELET TRANSFUSION
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Neonatal platelet transfusion
Majority given as prophylaxis
given at 5 -10 ml/kg
single donor apheresis is preferred than whole blood source
ABO matched, RhD matched, CMV negative
Should not contain clinically significant red cell antibodies.oBe HPA compatible in infants with allo-immune thrombocytopeniaoBe irradiated if appropriate
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PLATELET TRANSFUSION
Transfusion guidelines for platelets in neonates and older children
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PLASMA TRANSFUSION
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FFP Transfusion
• FFP 10 – 15 ml/kg, expected increase all factor activity levels by 15 – 20%
• Containing fibrinogen, f. VIII, f.XIII, vWF and fibronectin
• ABO compatible, free of clinically significant antibodies
Cryoprecipitate transfusion
• FFP thawing at 2-4⁰C → undissolved precipitate is collected by centrifugation and supernatant plasma is aseptically expressed into a satellite bag.
• Contains 80 to 100 U F.VIII, 300 mg fibrinogen and varying amounts of factor XIII.
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PLASMA TRANSFUSION
Cryoprecipitate
Indication cryoprecipitate:
to treat decreased or dysfunctional fibrinogen (congenital or acquired) or
factor XIII deficiency
ABO compatible cryoprecipitate is preferred
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Dosing of small volumes in neonatal patients
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NEONATAL TRANSFUSION
PRACTICE
Component Dose Expected increment
Red blood cells 10 – 15 ml/kg Hb increase 2 – 3 g/dl
Fresh frozen plasma
10 – 15 ml/kg 15-20% rise in factor levels (assuming 100% recovery)
Platelets ( WB derived or apheresis
5 – 10 ml/kg or 1 WBD unit/10 kg
50.000/ul rise in platelet count (assuming 100% recovery)
CryoprecipitatedAHF
1 – 2 units/10 kg 60-100 mg/dl rise in fibrinogen (assuming 100% recovery)
AABB, 19TH ED
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CONCLUSION
Neonatal transfusion (birth - 4 months) differ from adult
Various treatment thresholds and guidelines used in neonatal transfusion practice from different countries
Special requirement for blood component in neonatal transfusion
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THANK YOU
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