心脏移植中的正常热脉动器官输血的临床结果:来自OCS心脏输血注册的报告
Josef Stehlik1, Maryjane A Farr2, Mandeep R Mehra3
1University of Utah, Salt Lake City (J.S.).
Circulation
|March 7, 2025
概括
器官护理系统 (OCS) 在脑死亡 (DBD) 和循环死亡 (DCD) 之后显示出与传统方法相比的良好的心脏移植结果. 这项技术可以扩大捐赠者标准和更长的运输距离.
科学领域:
- 心血管外科
- 移植医学
- 医疗设备技术
背景情况:
- 器官护理系统 (OCS) 使用常温脉冲 perfusion 保护心脏在运输过程中.
- 包括脑死亡 (DBD) 和循环死亡 (DCD) 之后的扩展标准捐赠者的心脏已经显示出有希望的结果.
研究的目的:
- 使用OCS与传统静态冷藏 (SCS) 和常温区域输液 (NRP) 方法进行心脏移植后结果比较.
- 用OCS技术分析心脏移植中的供体和受体特征.
主要方法:
- 来自OCS心脏输血注册 (2021-2023) 的数据分析,涉及3225例心脏移植.
- 用OCS保存的心脏 (DBD和DCD) 与用SCS保存的心脏进行比较.
- 在生存分析中使用倾向性得分匹配,以考虑受试者的特征差异.
主要成果:
- 与SCS-DBD捐赠者相比,OCS-DBD捐赠者面临更多的器官拒绝和更长的运输距离,但12个月的存活率相似 (89.9%与90.6%).
- 尽管OCS- DCD的运输距离较长,但OCS- DCD捐赠者与SCS- DBD捐赠者 (91. 0%与92. 5%) 和NRP- DCD捐赠者的12个月存活率相似.
- 到2023年,专门的团队管理了90%的OCS捐赠者康复.
结论:
- 对DBD捐赠者的OCS实际使用与扩展的捐赠者标准,更长的运输和出色的结果有关.
- OCS-DCD供体结果与NRP-DCD可比,相对于DBD供体器官来说是有利的,这突显了OCS在各类供体中的有效性.
相关概念视频
01:19Cardiac Output I:Effect of Heart Rate on Cardiac Output
Cardiac Output
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart rate...
Cardiac output (CO) refers to the total amount of blood ejected by one of the ventricles in liters per minute (L/min). In a resting adult, CO ranges from 5 to 6 L/min, adjusting according to the body's metabolic requirements.
Effect of Heart Rate on Cardiac Output
Cardiac output adapts to metabolic demands during stress, physical activity, or illness. The autonomic nervous system regulates heart rate via the sinoatrial node. The parasympathetic nervous system decreases heart rate...
01:22Cardiac Output II: Effect of Stroke Volume on Cardiac Output
Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...