尽管有慢性交换输血治疗,但在状细胞贫血中加速大脑缩-一个病例报告
Tales Santini1, Jinghang Li1, Jr-Jiun Liou1
1Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA.
Radiology case reports
|February 12, 2026
概括
状细胞贫血 (SCA) 患者可能会经历加速的大脑缩,尽管慢性输血. 这份病例报告强调了成年SCA患者显著的灰质体积损失,强调了神经退行症的严重程度.
科学领域:
- 神经学 神经学
- 血液学 血液学 血液学
- 放射学 放射学是指放射学
背景情况:
- 神经血管并发症是状细胞贫血 (SCA) 发病率和死亡率的重要原因.
- 虽然在患有SCA的儿童中观察到皮层稀疏和大脑体积减少,但成人数据有限.
- 成年SCA患者慢性输血疗法的神经保护作用仍然不清楚.
研究的目的:
- 介绍一个成年SCA患者的案例研究,该患者在6年内使用先进的7特斯拉 (7T) MRI进行了监测.
- 评估慢性交换输血在预防SCA成年人神经退行症的疗效.
- 为了研究在接受激烈疾病修饰治疗的成年SCA患者中大脑缩的速度.
主要方法:
- 使用7特斯拉 (7T) 磁力共振成像 (MRI) 进行精确的结构性脑图像和定量体积分析.
- 在6年的时间里,监测了一名患有SCA和中风病史的成年女性患者.
- 评估灰质体积的变化与坚持慢性交换输血计划的关系.
主要成果:
- 患者,尽管坚持慢性交换输血,但表现出加速灰质缩.
- 在6年的监测期间,平均每年1.15%的灰色物质体积损失被观察到.
- 这一案例表明,尽管进行了积极的治疗,但在成人SCA患者中出现了显著的神经退行.
结论:
- 在成人SCA患者中,即使使用慢性交换输血治疗,也可能发生加速脑缩.
- 这一案例强调了SCA成年人中严重神经退行症的可能性.
- 需要进一步的研究,以了解和减轻成人SCA患者的神经血管并发症.
相关概念视频
Blood Transfusion
2.4K
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...
2.4K
Blood Transfusion and Agglutination
14.9K
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...
14.9K
Social Exchange Theory
40.8K
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
40.8K
Gas Exchange and Transport
77.1K
Gas exchange, the intake of molecular oxygen (O2) from the environment and the outflow of carbon dioxide (CO2) into the environment, is necessary for cellular function. Gas exchange during respiration occurs largely via the movement of gas molecules along pressure gradients. Gas travels from areas of higher partial pressure to areas of lower partial pressure. In mammals, gas exchange occurs in the alveoli of the lungs, which are adjacent to capillaries and share a membrane with them.
77.1K
Data Reporting and Recording
5.5K
Reporting and recording are crucial in data documentation. The timely, thorough, and accurate documentation of facts is essential when recording patient data. Failure to record findings during an assessment or interpretation of a problem will result in loss of information and make the patient document unreliable. The reader is left with general impressions if the information is not specific. A recording is documenting data of the individual's health information in a traceable, secure, and...
5.5K
Accelerators
292
Accelerators in concrete serve as admixtures to speed up the hardening process, enabling the concrete to achieve early strength faster. Although accelerators do not necessarily impact the time it takes concrete to set, they reduce this time in practice. A common accelerator is calcium chloride, which is particularly useful for hastening early strength development in cold weather or for rapid repair jobs that require quick heat generation after mixing.
The effectiveness of calcium chloride can...
The effectiveness of calcium chloride can...
292


