Platelet Transfusions in Hematology

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Questions and Answers

What is the recommended PLT count range for active bleeding according to the national transfusion guidelines?

  • >100,000/mL
  • 50,000–100,000/mL (correct)
  • 20,000–50,000/mL
  • 10,000–20,000/mL

In cases of central nervous system bleeding or multiple traumas, what PLT count range is recommended?

  • 50,000–100,000/mL
  • >100,000/mL (correct)
  • 20,000–50,000/mL
  • 10,000–20,000/mL

What PLT count range is advised in cases of prophylactic purposes in leukemia or aplastic anemia?

  • 20,000–50,000/mL
  • 10,000–20,000/mL (correct)
  • >50,000/mL
  • >20,000/mL

What is Platelet Transfusion Refractoriness (PTR)?

<p>A condition where the increase in PLT count after transfusion is less than expected (A)</p> Signup and view all the answers

How is Corrected Count Increment (CCI) calculated?

<p>(PPL/μL) x BSA(m2) x Number of Platelets transfused (10^11) (B)</p> Signup and view all the answers

What is Percentage Platelet Recovery (PPR)?

<p>(PPL/μL) x TBV x 100% (A)</p> Signup and view all the answers

What is one of the key roles of platelet transfusions according to the text?

<p>Reducing thrombocytopenia-induced hemorrhagic events (C)</p> Signup and view all the answers

What was the domestic platelet supply in Korea in 2020 based on the Korean Red Cross Blood Services statistics?

<p>1,727,115 units (D)</p> Signup and view all the answers

What is platelet transfusion refractoriness (PTR) as described in the text?

<p>A situation where platelet consumption or destruction leads to increased count (B)</p> Signup and view all the answers

Why is PTR considered problematic in clinical treatment?

<p>It may result in PLT count not reaching desired levels (A)</p> Signup and view all the answers

What factors determine the indication of platelet transfusion according to the text?

<p>Current bleeding situation or possibility of future bleeding (C)</p> Signup and view all the answers

In what year has platelet transfusion been used to prevent or treat life-threatening bleeding?

<p>For decades (A)</p> Signup and view all the answers

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