经典的凝血特征根据Rh (D) (但不是ABO) 血型而有所不同
Gilberto Santos Morais-Junior1, Patrícia Dias da Silva1, Mayara Barbosa da Silva1
1Graduate Program in Medical Sciences, University of Brasília, Campus Universitário Darcy Ribeiro, Asa Norte, Brasília 70910-900, DF, Brazil.
Hematology reports
|November 24, 2025
概括
与Rh阴性个体相比,Rh阳性个体表现出改变的血液凝固时间. 这项研究表明,Rh(D) 抗原可能会影响凝血,影响前列血时间,激活的部分血栓形成时间和国际正常化比率.
科学领域:
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
- 临床病理学 临床病理学
背景情况:
- 血液凝固参数在血液静止中至关重要.
- 已知红细胞抗原系统,包括ABO和Rh,可以影响各种生理过程.
- 以前的研究表明,血型和凝血之间存在潜在的相关性,尽管证据仍在争论中.
研究的目的:
- 研究基于红细胞抗原系统的经典血液凝结参数的潜在变异.
- 为了比较不同ABO血型和Rh因子状态的凝血概况 (PT,APTT,INR).
- 为了确定Rh(D) 抗原对凝血通路的任何影响.
主要方法:
- 在输血血疗服务中对连续患者的前性评估.
- 常规实验室评估凝血概况:前体血时间 (PT),激活的部分血栓形成时间 (APTT) 和国际规范化比率 (INR).
- 根据ABO血型和Rh因子分层的凝血参数的统计比较,控制年龄,性别和并发症.
主要成果:
- 不同 ABO 血型的个体之间没有观察到凝血参数的显著差异.
- 与Rh阴性个体相比,Rh阳性个体的平均PT,APTT和INR值在统计学上显著增加.
- 具体来说,平均PT为13.7秒 (Rh+) 与12.6秒 (Rh-),APTT为32.0秒 (Rh+) 与30.1秒 (Rh-),INR为1.23秒 (Rh+) 与1.15秒 (Rh-).
结论:
- 这项研究表明,Rh因子状态和血液凝结之间存在潜在的关联.
- 与Rh阴性个体相比,Rh阳性个体可能表现出略有降低的凝血率.
- 假设Rh(D) 红细胞抗原对凝血级联产生抑制作用.
相关概念视频
01:12The 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
02:20Blood Types
22.2K
Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
22.2K
02:45Blood 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
01:10Blood 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
01:19Rh Blood Group
2.7K
The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
2.7K
01:15Blood 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