相关实验视频
Updated: Jan 24, 2026

12:13
Ex Situ Normothermic Machine Perfusion of Donor Livers
Published on: May 26, 2015
12.2K
机器输液通过非免疫调节效应改善肝脏接受者的结果
Giulia Cirillo1, Serena Babboni2, Daniele Pezzati1
1Division of Hepato-biliary Surgery and Liver Transplantation, Azienda Ospedaliera Universitaria Pisana (AOUP), Pisa 56124, Italy.
Hepatobiliary & pancreatic diseases international : HBPD INT
|January 22, 2026
概括
机器输液 (MP) 通过向线粒体功能障碍和胆道损伤来保护肝移植免受缺血-再输液损伤 (IRI). 这种方法改善了移植品质和结果,特别是对高风险的捐赠者来说,扩大了捐赠者池.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 移植免疫学 移植免疫学
- 再生医学是一种再生医学.
背景情况:
- 肝移植 (LT) 面临着器官短缺,越来越依赖扩展标准捐赠者 (ECD) 和循环死亡 (DCD) 之后的捐赠.
- 这些移植很容易受到缺血-再输液损伤 (IRI) 的影响,这是由线粒体功能障碍和内皮/胆道损伤等非免疫学因素所驱动的.
- 目前的保存方法是有限的,需要先进的策略来减轻IRI和提高移植活力.
研究的目的:
- 评估机器输液 (MP) 策略,包括低温氧化输液 (HOPE/D-HOPE) 和正常热机器输液 (NMP),以减轻肝移植中的IRI.
- 评估MP在维护移植质量和改善结果方面的有效性,特别是在高风险的ECD和DCD移植中.
- 探索MP作为诊断平台的潜力,以使用新型线粒体生物标志物进行实时移植可行性评估.
主要方法:
- 使用低温氧化输液 (HOPE/D-HOPE) 来重新氧化线粒体,防止ROS爆发,并保护胆道上皮.
- 采用常温机器输液 (NMP) 来维持有氧代谢,ATP生成和微循环功能.
- 研究了新兴的线粒体生物标志物 (FMN,NADH) 与传统标志物 (乳酸盐,胆汁) 一起进行生存能力评估.
主要成果:
- 无论是HOPE/D-HOPE还是NMP策略,都显著降低了早期全移植功能障碍 (EAD),并改善了高风险肝脏的移植结果.
- MP 证明了对IRI的保护作用,减少氧化应激,并保持内皮和胆道的完整性.
- MP 实现了准确的实时可行性评估,新的生物标志物与移植后结果相关.
结论:
- 机器输液代表了一种治疗和诊断平台,增强了代谢稳定性,并减少了肝移植中的胆道并发症.
- 顺序的HOPE和NMP协议最大限度地保护和评估移植,使边缘捐赠肝脏的安全利用成为可能.
- MP对于扩大捐赠者池和改善传统静态保存方法之外的肝移植结果至关重要.
相关概念视频
Machines
563
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. One example of a machine is the cutting plier, which is used to cut wires by applying forces to its handles. When equal and opposite forces are exerted on the handles of the cutting plier, they cause the cutting edges to come together and apply equal and opposite reaction forces on the wire, which are greater than the applied forces.
A free-body diagram of the...
A free-body diagram of the...
563
Predicting Reaction Outcomes
10.4K
Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
10.4K
Outcomes of Glycolysis
106.8K
Nearly all the energy used by cells comes from the bonds that make up complex organic compounds. These organic compounds are broken down into simpler molecules, such as glucose. As a result, cells extract energy from glucose over many chemical reactions—a process called cellular respiration.
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
Cellular respiration can occur aerobically (with oxygen) or anaerobically (without oxygen). In the presence of oxygen, cellular respiration starts with glycolysis and continues with pyruvate...
106.8K
Machines: Problem Solving II
652
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
652
Machines: Problem Solving I
698
A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
698
Guidelines for Writing Outcome
3.7K
When developing expected outcomes for a patient care plan, the nurse should adhere to the following recommendations:
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
Patient outcomes reflect the patient's response to the goal rather than what the nurse aims to achieve. Terminology should be observable and measurable to avoid the reader's interpretation. The desired outcome should be realistic and achievable in the designated care timeframe. Expected outcomes should align with adjunctive therapies. The outcome should enhance care...
3.7K

