Stem cells produce red blood cells, white blood cells, and platelets. In some cases, stem cells in your bone marrow may not be functioning well or need to be destroyed to help treat a disease. If this happens, you will need new stem cells.
It may take about a month for the donor stem cells in the bone marrow to begin to function fully. If the transplant is successful, new bone marrow cells will produce healthy red blood cells, white blood cells, and platelets.
Stem cell transplantation may be:
Stem cells that were taken from your own bone marrow or blood and stored
If you are planning to have a stem cell transplant, your doctor will review a list of possible complications, which may include:
Infection—until the donor blood-forming cells begin to work
Rejection of the donor stem cells
Graft versus host disease—immune cells in the donor's bone marrow attack your tissue
Stem cell transplant is usually avoided if you have:
Disease of the heart, lungs, liver, or kidneys
Be sure to discuss the risks with your doctor before the transplant.
What to Expect
Prior to Procedure
The donor will be carefully tested to check for diseases. Both you and the donor will be tested to ensure that your tissues are compatible. In order for the transplant to be successful, certain markers on the blood cells and bone marrow cells must match.
Medicine will be given to suppress your immune system. This is to prevent your body from rejecting the donor stem cells. In the weeks prior to the transplant, you may need to have:
This process is called conditioning. It will rid the body of diseased cells and clear the bone marrow cavities for the new bone marrow.
Anesthesia will not be needed.
Description of the Procedure
The donation will be collected before your procedure. The donated stem cells will be filtered. An IV needle will be place through your skin into a blood vessel. The stem cells will be delivered through a tube to the IV. It will take a few hours for the treatment to finish. The stem cells will find their way to your bones. There they will grow new, healthy blood cells.
Immediately After Procedure
Conditioning will make your immune system weak. It will take some time for the new, healthy blood cells to develop. Your immune system will strengthen as the cells grow. You will need to be in isolation until the new cells develop. This is to help avoid infections while you recover.
How Long Will It Take?
It may take 1-5 hours for the transplant to complete.
How Much Will It Hurt?
There will not be pain while the stem cells are infused. You may have some nausea. This can be treated with medicine.
Average Hospital Stay
You will need to be in isolation in the hospital for 1 to 2 months.
While you are recovering at the hospital, you may receive the following care:
Medicine—to keep your immune system low to decrease the chance of transplant rejection
Antibiotics—to prevent infection
Platelets, plasma, and red blood cell transfusions—to prevent bleeding and
Frequent blood tests—to monitor whether the new stem cells in the bone marrow are taking hold or being rejected
Call Your Doctor
Once you are home contact your doctor if your recovery is not going as expected or you develop complications, such as:
Blood-forming stem cell transplants. National Cancer Institute website. Available at: http://www.cancer.gov/about-cancer/treatment/types/stem-cell-transplant/stem-cell-fact-sheet. Updated August 12, 2013. Accessed September 6, 2016.
Stem cell transplant for cancer. American Cancer Society website. Available at:http://www.cancer.org/acs/groups/cid/documents/webcontent/003215-pdf.pdf. Accessed September 6, 2016.
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