117 results
Thresholds for Transfusion of Platelets in Adults
Major surgery or invasive procedure, no active bleeding - 
≤
Transfusion of Platelets ... rarely) Stable, nonbleeding ... < 10 Stable, nonbleeding ... #Management #Platelets ... Plateletpheresis #Thresholds #NonBleeding
Indications for Transfusion of Platelets in Neonates

#Management #Peds #Pediatrics #Platelets #Transfusion #Plateletpheresis #Thresholds #NonBleeding #Surgery
Transfusion of Platelets ... Peds #Pediatrics #Platelets ... Plateletpheresis #Thresholds #NonBleeding
Indications for Transfusion
Packed RBCs
 • Hgb <7 g/dL or hematocrit <21% in a patient with uncompromised
hemoglobinopathy Platelets ... Prophylactically for platelet ... not transfuse platelets ... Platelet transfusions ... • Prophylaxis (nonbleeding
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Inherited Qualitative Platelet ... Single isolated platelets ... without platelet ... failure Grey Platelet ... • Absence of platelet
Idiopathic Thrombocytopenic Purpura 
Clinical:
 • Gingival 
 • Menorrhagia 
 • GI bleeding 
 • Intracranial
children) • Platelets ... extremely low platelet
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
Platelet disorders ... ristocetin • Normal platelet ... count and platelet ... • Platelet flow ... Usually normal platelet
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Differential Diagnosis Platelet ... Diagnosis #causes #Platelets
Blood Product Components, Contents, Volume and Shelf Life

Whole blood (autologous or directed donations) - RBC and
WBC and platelets ... Hct 60% Platelet ... concentrate - Platelets ... Hct < .005) Platelet ... pheresis - Platelets
Thromboelastography (TEG) based therapy and Management

If r time prolonged -> FFP
If MA low -> plts/cryoprecipitate (if
cryoprecipitate If platelets ... < 50 - > platelet
Thromboelastography (TEG) Based Management
 - If R time prolonged -> FFP 
 - If MA low
cryoprecipitate - If platelets ... < 50 -> platelet