ABO非同一性肝移植缺点 儿科候选人等候名单 血型为O的候选人
Sakil S Kulkarni1, Tess Coker1, Neeta A Vachharajani2
1Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, St Louis Children's Hospital, St Louis, Missouri, USA.
Journal of pediatric gastroenterology and nutrition
|November 24, 2025
概括
ABO非同一性肝移植改善了儿科患者的治疗机会. 然而,O型血液候选人面临更长的等待时间,而A型血液候选人从这些移植中受益,这影响了器官分配的公平性.
科学领域:
- 器官移植研究器官移植研究
- 儿科外科手术 儿科外科手术
- 免疫学和血型兼容性 免疫学和血型兼容性
背景情况:
- 及时提供整体移植对于减少儿科肝移植等候名单死亡率至关重要.
- 候选献血者血型匹配 (CDBM) 是器官分配政策的一个关键因素.
- 目前的政策允许对高强度的pLT候选人进行ABO兼容的非相同和ABO不兼容的移植.
研究的目的:
- 分析CDBM,包括ABO非相同肝移植 (LT) 对儿科LT候选者的结果的影响.
- 评估 ABO 兼容性对等待名单时间和移植率的影响.
- 为了比较ABO相同和非相同的儿科肝移植之间的结果.
主要方法:
- 美国器官共享网络 (UNOS) 数据库的回顾性分析.
- 从2008年1月到2022年12月,将儿科 (<18岁) 候选人纳入已故供体肝移植 (DDLT) 清单.
- 分析的重点是CDBM和ABO非相同的LT对移植结果的影响.
主要成果:
- 在8976名pLT候选人中,72.4%接受了DDLT;19.9%是ABO非相同的,4.9%是ABO不兼容的.
- ABO非相同的LT接受者显示出更高的列表紧迫性和更短的等待列表时间.
- 与A型血型候选人相比,O型血型候选人经历了更长的等待时间 (62.5 vs. 48天) 和较低的DDLT率 (70.2% vs. 74.7%).
结论:
- 在高急性儿科肝移植候选人中,ABO非相同的异体移植可促进及时的移植.
- 血型O的候选人因ABO非相同异位移植而处于劣势,而血型A的候选人则处于优势.
- 结果表明,基于CDBM的器官分配政策可能需要修订,这与成年人研究结果不同.
相关概念视频
Blood Transfusion
2.1K
Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
2.1K
The ABO Blood Group
4.5K
The ABO blood group system is a critical element of transfusion medicine, essential for determining blood compatibility in transfusions and organ transplants. It is based on specific antigens, or agglutinogens, present on the surface of red blood cells (RBCs) and corresponding antibodies, or agglutinins, in the blood plasma.
Antigens in the ABO Blood Group System
Antigens are substances that can trigger an immune response, leading to the production of antibodies. In the ABO blood group system,...
Antigens in the ABO Blood Group System
Antigens are substances that can trigger an immune response, leading to the production of antibodies. In the ABO blood group system,...
4.5K
Blood Transfusion and Agglutination
14.0K
Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
14.0K
Kidney Transplant I: Introduction
312
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
312
Bone Marrow Sampling and Transplants
845
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
845
Blood Typing
2.3K
Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target...
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target...
2.3K


