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Blood & Transfusion Medicine

Platelet Donations

As platelets help stop bleeding, they are effective only for five days. Platelet donations are carried out on a need basis and donors are kept ready accordingly.

Platelet Products

There are two types of platelet products:

  • Random-donor platelet (RDP)
  • Single-donor platelet (SDP)

One unit of RDP contains >5.5X1010 platelets with a volume of 50 to 70 ml. To correct thrombocytopenia (low platelet count), an adult patient requires 6 to 8 units at a time.

One unit of SDP contains >3X1011 platelets with a volume of 200 to 300 ml. A single unit is sufficient as an adult dose.

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