How Do I Donate Platelets?

Platelet donation is the use of a blood component harvester to collect platelets from a donor, and the number of platelets contained is at least 2.5 × 10 to the 11th power.

Platelet donation

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Platelet donation is the use of a blood component harvester to collect platelets from a donor, and the number of platelets contained is at least 2.5 × 10 to the 11th power.

Chinese name

Platelet donation

Foreign name

Platelet

1. What is apheresis?
Apheresis platelets are collected from a blood donor using a blood component apheresis machine, and the number of platelets contained is at least 2.5 × 10 to the 11th power. Each apheresis platelet is equivalent to about 8-10 bags of conventional concentrated platelets. Apheresis platelets are stored in a special storage bag to increase the surface area that platelets can exchange with gas during storage. Storage temperature: 20-24 ° C, shaking for 24 hours to 5 days (depending on the storage solution used). Compared with platelet concentration, the biggest advantage of platelet apheresis is that it is relatively safe. The recipient only needs to receive the platelets from a blood donor to achieve a therapeutic amount, which can reduce the risk of HLA allergic immune reactions and blood transfusion infections.

2. What is the difference between donating platelets and donating whole blood, and how long does it take?
Donating blood is basically the same as donating whole blood. A needle from one arm flows into the blood separator through a connected, sterilized, single-use tube, separates the required platelets, and then returns other blood components to the donor. The whole process is about one hour to one and a half hours, and there will be enthusiastic care from the blood collection staff.

3. Is it easy to donate apheresis?
Platelet apheresis is the most advanced method of blood donation. It has been widely accepted by unpaid blood donors in developed countries in western countries and China. Many people come to the local blood center for leisure or use their rest time. Platelet apheresis is an important part of enthusiastic public welfare and enriching your spare time. Blood donors can easily and happily enjoy music, watch videos, chat, rest, etc. during the donation process.

4. Does donating apheresis platelet have adverse effects on the body?
There are abundant platelets in healthy people, and the platelets donated can be recovered to the level before donation within 48 to 72 hours, which is shorter than the recovery time of donated whole blood. Therefore, blood donors can donate apheresis platelets every fifteen days. In the process of donating apheresis, the blood of the blood donors is circulated and separated in a tightly sterilized closed tube kit. Each blood donor uses a new disposable kit every time, which will never cause Cross-contamination.

5. What rights do people who donate apheresis platelets for free?
Donating apheresis as well as donating whole blood is a voluntary unpaid donation for the purpose of saving lives and helping patients. According to the "People's Republic of China Blood Donation Law" ^[1] and the "Shanghai Blood Donation Regulations" that came into effect on October 1, 1998 The spirit of, donated apheresis platelet counted as 800ml. Blood donors donate one to five in clinical blood within five years, and donate one to five after five years, and enjoy it for life; blood donors' family members (children, spouses, parents, in-laws, and parents-in-law) donate one to one in five years. Blood donors who have accumulated a certain amount of blood donation can get the bronze, silver, and gold awards for free blood donation from the state, and the Shanghai Free Blood Donation Memorial Award and White Magnolia Award.
6. What are the physical examination conditions for apheresis?
Meet the various blood test standards for donating whole blood;

Platelet count 150 × 109 / L;
Both men and women weigh 50 kg;
The veins on the arm are obvious and there is no history of irregular needle insertion;
It can be withdrawn for about two hours to donate apheresis platelets to the blood center.