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Alyx Facts

What is Alyx?

Of the blood components that are transfused most (red blood cells, platelets, and plasma), red blood cells are in the greatest demand. The Alyx Component Collection System uses automated technology to safely collect double the amount of red blood cells versus a regular whole blood donation.

Why should I donate on Alyx instead of giving whole blood?

  • Double your impact: One Alyx donation collects twice as many red cells.
  • More blood: Provides more of the most critically needed blood types required for patients.
  • Reduce reminder calls: Alyx donors can donate every four months.
  • Double the credit: An Alyx donation counts as two credits for "Go for the Gold."
  • Feel better: Alyx uses a smaller needle, and fluid is replaced back into the body, reducing the chance of not feeling well after donating.

Why are red blood cells so important?

More than 14 million pints of red blood cells are transfused annually in the United States. Patients who need red blood cells include trauma patients, people undergoing surgery, cancer patients, and those with anemia (including sickle-cell anemia).

How does Alyx work?

Alyx uses a type of technology called apheresis (pronounced “a-fur-e-siss”). Rather than collecting the blood directly into a blood bag, the donor’s blood first flows into the Alyx machine, which separates the blood’s components. Red blood cells are collected in a blood bag, and the remaining components are returned to the donor. The donor also receives a small amount of sterile saline fluid to make up for the blood volume loss. The donation takes about twice as long as a whole blood donation (about 20-25 minutes).

Is Alyx safe? Does it hurt?

Alyx is a closed, sterile system utilizing single-use disposable needles and plastic tubing. Apheresis technology has been used for over 20 years, safely providing millions of units of blood components to patients in need.

The Alyx System uses a smaller needle than a whole blood donation, so you might find it more comfortable. Many donors report feeling better after an Alyx donation compared to a whole blood donation, because the saline fluid compensates for blood volume loss.

Who is eligible for Alyx?

Due to differences in blood volumes, there are diff erent minimum criteria for men and women to donate Alyx. The red blood cells in greatest demand are type O and B, so generally Alyx donors are type O or B.

Men: at least 5'1", 130 lbs
Women: at least 5'5", 150 lbs

What are the steps to being an Alyx donor? Do I have to do anything special beforehand?

The procedure for an Alyx donation is similar to a whole blood donation. First the donor tech conducts a private screening interview. Then you go through a mini-physical to check your temperature, blood pressure, heart rate and hemoglobin. Next you move to the Alyx machine and make your donation, which takes about 25 minutes. Afterwards you enjoy refreshments in the canteen area. It helps to eat a well-balanced meal beforehand, including foods that are high in iron but avoid consuming fatty foods and dairy products.

Where can I make an Alyx donation?

Several of The Blood Center’s donor centers have Alyx machines. You do not need to make an appointment, just stop on in! For locations and hours, call (800) 86-BLOOD or click here. Many of The Blood Center’s mobile drives also offer Alyx donations!

How often can I give on Alyx?

Since an Alyx donation collects twice as many red blood cells as a whole blood donation, donors are deferred for twice as long - sixteen weeks. In The Blood Center’s “Go for the Gold” program, an Alyx donation counts as two donations - a donor who gives on Alyx three times in one calendar year is considered a Diamond Donor.