Blood and Plasma Therapy Flashcards
Inappropriate bone marrow erythropoiesis –> systemic disease and intrinsic bone marrow disease, vit/mineral def=
non regenerative anemia
diagnosis of anemia of inflammatory disease is M:E ___
M:E more than 3.5 with large iron reserves
Increased serum ferritin means?
Anemia of inflammatory disease
microcytic, hypochromic anemia caused by iron def from ______ _______
chronic hemorrhage
Indications for blood transfusion-
acute blood loss of >30% of the volume
Blood lactate >4.0 after fluids
O2 extraction ratio >50%
What is the perfect donor selection??
healthy, large, well-behaved GELDING Aa and Qa and alloantibody negative
Cross match for MAJOR blood transfusions-
Donor RBC, patient serum
Cross match for minor blood transfusions-
Donor serum, patient RBC
Blood transfusions-
Oxyglobin- bovine Hgb, whole blood of 2,3-disphosphoglycerate- depleted, fresh blood is ideal/rec.
Transfused RBC survive how long?
Less than 1 week (3-5 days) - multiple transfusions may be required
Whole blood-
Collect up to 20ml/kg every 3 weeks (9L/450kg)
Plasma is typically __-___L for adult horse
6-10L
For FPT therapy-
1 L raises serum IgG of 50kg foal- about 200-300 mg/dL
administer until IgG more than 800mg/dL
transfusion reactions can often be preventing by pretreated with ____ ____
flunixin meglumine
Natural ___ have higher antigenic risk
colloids
Synthetic blood-
Hetastratch, dextran 70 and dextran 40
What synthetic blood has 1/2 life of 25 hours
Hetastarch
Plasma transfusion indications=
Hypoproteinemia, endotoxemia, coagulopathy
How much blood can we collect from an adult horse for transfusion?
usually about 8 L (can take up to 20% of horses blood volume to be donated)
Run plasma slow for 15 mins, why?
Rxns are usually going to show up within the first 15 mins (sweating, yawning, muscle twitching, increased RR/HR/temp)
___ makes up about 50% of total protein in the blood and maintains oncotic pressure
Albumin
FPT is IgG conc less than ____ mg/dL
<800 mg/dL
What are specific pathogen prophylaxis (3)?
Rhodococcus equi, rotavirus, clostridium perfringens
Foals fed milk replacer before __-__ hours of age may absorb bovine proteins
12-24 hours