Risk and Complications of Bone Marrow Transplant
04/22/2024
Pediatric Bone Marrow Transplant is a treatment that is used in children suffering from a cancer or blood cell disorder. In bone marrow transplants, the stem cells are replaced with diseased bone marrow. In normal conditions, the bone marrow produces healthy stem cells that convert into white blood cells, red blood cells, and platelets. But in a diseased condition, bone marrow produces abnormal cells and may need the procedure of bone marrow transplant. The symptoms of the disease are according to the specific condition of a child. Some children experience severe symptoms and they need a bone marrow transplant for their survival for a long time. The process of bone marrow transplant typically begins with the selection of a suitable donor either a compatible family member or an unrelated individual. However, the donor who is a close family member is usually preferred. Once a donor is identified, the child undergoes chemotherapy or radiation therapy to kill the cancer cells in the bone marrow. After that, healthy stem cells are transplanted which replace the damaged stem cells. The success of pediatric bone marrow transplants depends on the compatibility of the donor, post-transplant care, and the overall health of a child before the procedure.ย
Includes transplants for leukemia, thalassemia, and aplastic anemia in children.
Some types of Pediatric bone marrow transplant procedures are described below:
In this technique, the stem cells of a child are extracted and stored before the treatment of cancer. This personalized approach reduces the chances of risk of rejection as the body recognizes and accepts its cells.
Allogeneic transplant involves using stem cells from a compatible donor, typically a family member or unrelated match. This technique increases the chances of finding a suitable match. A suitable match is very important for the success of the pediatric bone marrow transplant procedure.
The haploidentical transplant involves the donor who is partially matched to the child. This technique is particularly valuable when a fully matched donor is not available. It is an alternative approach for the pediatric bone marrow transplant procedure.
In this technique, stem cells are obtained from the umbilical cord of the newborn. This technique offers an alternative source for transplantation. Umbilical cord blood transplant is advantageous due to its reduced risk of rejection and increased availability as compared to traditional donors.
In this technique, instead of high doses of chemotherapy or radiation therapy to eliminate the existing diseased bone marrow, low-intensity treatments are used with low doses. This technique is particularly suitable for pediatric cases who may be unable to tolerate the high doses associated with standard transplants.
The overview of the pediatric bone marrow transplant procedure is described below:
The cost of pediatric bone marrow transplants in India ranges from 18,000 USD to 60,000 USD. The donor selection before the transplant procedure can affect the cost of the procedure. The need for supportive treatment like blood transfusion, medications to prevent infection and to prevent rejection, and nutritional support can also affect the cost of the whole procedure.
Autologous Bone Marrow Transplant : 18000 USD - 22000 USDย
Allogeneic Bone Marrow Transplant : 30000 USD - 38000 USD
Haplo โ Allogeneic Bone Marrow Transplant : 42000 USD - 52000 USD
The conditions in which bone marrow transplant procedure is used in children are as follows:
Some of the risk factors of pediatric bone marrow transplant are described below
Graft-versus-host disease is a condition where transplanted donor cells attack the tissues of a child receiving the treatment. It can lead to various other complications.
Pediatric patients are more at risk of developing infections due to weakened immune systems after the transplant procedure.
The decreased number of specific cells in the blood can increase the chances of bleeding in children.
The transplanted cells may not engraft properly which can lead to the failure of the transplant.
Chemotherapy or radiation treatment used before the bone marrow transplant can cause toxicity to organs such as the liver and lungs.
Veno-occlusive disease can occur when small blood vessels in the liver become damaged which can lead to other complications of the liver.
Sometimes, complications can occur related to the problems of breathing.
The medications that are used before the transplant to reduce the immunity for the prevention of failure of graft can increase the chances of infections in children.
In some cases, after transplant, kidney damage can occur which may require further treatment and management strategies.
Challenges may occur in maintaining proper nutrition during the pediatric bone marrow transplant procedure.
There is a risk of difficulty in breathing due to various factors which may include lung complications.
Children with already existing heart conditions such as congenital heart diseases can cause some complications during and after the transplant.
The transplanted cells may take longer to establish themselves in the bone marrow of children. ย
Pediatric hematologists and transplant experts experienced with young patients.
Child-friendly hospitals with special isolation units for transplants.
A child usually needs bone marrow transplants to treat different disease related to blood which includes cancer and sickle cell anemia.
Bone marrow transplants for patients with non-malignant diseases have a much better success rate with 70% to 90 % survival with a matched sibling donor and 36% to 65% with unrelated donors.
While the prognosis is poor, there is always a risk of the cancer to relapse even after a bone marrow transplant. The median time is 4 months and usually the relapse occurs after 2 years of the transplant.
Bone marrow is a major surgery and is critical since it is used to cure serious illnesses such as cancer.
Sometimes due to graft failure the bone marrow transplant is not considered to be successful. In this case the most common treatment is to go for another transplant using stem cells from a different donor.