在减小和轻微减小射出分数的患者中,关节年结和心室动脉短暂心跳之间存在关联
Müjgan Ayşenur Şahin1, Ahmet Seyda Yılmaz1, Elif Ergül1
1Department of Cardiology, Faculty of Medicine, Recep Tayyip Erdoğan University, Rize 53020, Türkiye.
Journal of clinical medicine
|February 13, 2026
概括
中心环状化 (MAC) 强烈预测心室性心力衰竭 (VT) 在减少喷射小部分的患者. 这一发现可能会改善对心力衰竭患者心律失常的风险评估.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
背景情况:
- 减少和轻度减少排泄分数心力衰竭 (HFrEF/RmrEF) 的患者有高风险患心室心律不整.
- 中心环状化 (MAC) 是这一群体中常见的发现,但其与心室性心力衰竭 (VT) 的关联需要进一步调查.
研究的目的:
- 为了评估心脏衰竭和排气分数减少或轻微减少的患者中环化 (MAC) 和心室低心率 (VT) 之间的关联.
- 在这个患者队列中确定静脉瘤的独立预测因子.
主要方法:
- 对143名心力衰竭和LVEF<50%的患者进行了回顾性横截面研究.
- 根据静脉瘤的存在或不存在来对患者进行分类.
- 分析了临床,生化和心声学数据,并使用多变量逻辑回归来确定独立的预测因子.
主要成果:
- 与对照组 (17.4%,p < 0.001) 相比,VT组 (43.6%) 的中枢环结石化 (MAC) 发生率明显高于对照组 (17.4%,p < 0.001).
- 马克是静脉瘤最强的独立预测因子 (OR: 2.74;95% CI: 1.13-6.65;p = 0.026).
- 其他静脉瘤预测因素包括炎症标志物升高,白蛋白低,左心房体积增加,功能障碍和高透缩填充压力.
结论:
- 中心环状化 (MAC) 是心室低心率 (VT) 的显著和独立预测因子,可用于减少或轻微减少喷射分数的患者.
- 将MAC评估与其他临床,炎症,代谢和结构参数相结合,可能会增加HFrEF/RmrEF患者静脉瘤风险分层.
相关概念视频
Reducing Line Loss
395
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
395
Methods of reducing fever
1.4K
The signs and symptoms of fever include hot and dry skin, flushed face, thirst, muscle aches, anorexia, headache, tachycardia, tachypnea, and fatigue. Elevated body temperature is reduced using two methods: pharmacological and nonpharmacological. Proper identification and treatment of the root cause of a fever is of utmost importance.
Pharmacological Methods of Reducing Fever:
Pharmacological Methods of Reducing Fever:
1.4K
Adaptations that Reduce Water Loss
28.3K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
28.3K
Role of Reduced Coenzymes NADH and FADH₂
17.1K
The energy released from the breakdown of the chemical bonds within nutrients can be stored either through the reduction of electron carriers or in the bonds of adenosine triphosphate (ATP). In living systems, a small class of compounds functions as mobile electron carriers, molecules that bind to and shuttle high-energy electrons between compounds in pathways. The principal electron carriers that will be considered originate from the B vitamin group and are derivatives of nucleotides; they are...
17.1K
Redox Titration: Other Oxidizing and Reducing Agents
1.5K
Besides iodine, other oxidizing or reducing agents can serve as titrants in redox titrations. Common oxidizing titrants include KMnO4, cerium(IV), and K2Cr2O7. The choice of oxidizing titrants depends on factors like stability, cost, analyte strength, and reaction rate between the analyte and titrant. KMnO4 is a strong oxidizing titrant that reduces from Mn(VII) to Mn(II) in a highly acidic solution, simultaneously oxidizing the analyte to a higher oxidation state. In this case, KMnO4 acts as a...
1.5K
Reduced Mass Coordinates: Isolated Two-body Problem
2.4K
In classical mechanics, the two-body problem is one of the fundamental problems describing the motion of two interacting bodies under gravity or any other central force. When considering the motion of two bodies, one of the most important concepts is the reduced mass coordinates, a quantity that allows the two-body problem to be solved like a single-body problem. In these circumstances, it is assumed that a single body with reduced mass revolves around another body fixed in a position with an...
2.4K


