门静脉栓塞之后的二维静脉图作为未来肝脏残留高的预测因素
Aaron T Luong1, Dominic Bolinas2, Allan John R Barcena2
1Department of Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA.
Clinical imaging
|February 6, 2026
概括
在门静脉栓塞 (PVE) 后从2D静脉图得出的洗出与洗进 (WO:WI) 比率可以预测肝脏缩. 这种方法提供了早期评估未来的肝脏残留 (FLR) 再生能力.
科学领域:
- 放射学 放射学是一门学科.
- 肝胆道成像 肝胆道成像
- 干预性放射学 干预性放射学
背景情况:
- 门静脉栓塞 (PVE) 对于诱导未来肝脏残留物 (FLR) 肝脏缩至关重要.
- 准确预测FLR缩对于成功的手术规划和患者的结果至关重要.
- 目前用于评估PVE后再生能力的方法可能耗时或缺乏立即反.
研究的目的:
- 为了评估对比度冲入 (WI) 和冲出 (WO) 速率的预测能力,从二维静脉图.
- 确定这些比率,特别是WO:WI比率,是否与PVE后FLR的肝脏缩程度 (DH) 和运动生长率 (KGR) 相对应.
主要方法:
- 对接受PVE的16名患者的回顾性分析与PVE后静脉图.
- 随着时间的推移量化FLR对比度增强,以获得WI和WO率.
- 在WO:WI比率和DH/KGR.之间进行统计相关性分析 (斯皮尔曼,多变量回归).
主要成果:
- 在PVE后,FLR的中位数显著增加 (23%至34%).
- WO:WI比率与DH (ρ=0.6265) 和KGR (ρ=0.6529) 有显著的相关性.
- 多变量分析表明WO:WI是DH的潜在预测因子 (P=0.0470).
结论:
- 从PVE后的2D静脉图计算的WO:WI比率在预测FLR缩方面表现有前途.
- 这种技术提供了快速的,程序后评估FLR的再生潜力.
- 这些发现表明,一种新的成像生物标志物可以指导肝脏手术决策.
相关概念视频
Pulmonary Embolism I: Introduction
746
Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
746
Hepatic Portal System
6.0K
The hepatic portal system, a critical part of our circulatory framework, transports nutrient-laden, deoxygenated blood from the gastrointestinal tract and spleen to the liver. This ingenious system plays an indispensable role in maintaining our body's metabolic equilibrium.
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is...
At its core, the hepatic portal vein is the result of a confluence of the superior and inferior mesenteric veins along with the splenic vein. Each of these veins has a unique role. The superior mesenteric vein is...
6.0K
Venous Return
12.5K
The circulatory system plays a crucial role in ensuring the optimal functioning of the human body. One of its critical components is venous return - the process that completes the blood circulation cycle. This article will delve into the concept of venous return, how it works, and its significance to our health.
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system...
What is Venous Return?
Venous return refers to the rate at which blood flows back to the heart from the body's peripheral veins. It's an integral part of the circulatory system...
12.5K
Venous Thrombosis I: Introduction
476
Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
476
Pulmonary Embolism III: Nursing Management
451
A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
451
Dimensional Analysis
65.0K
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
The unit...
Conversion Factors and Dimensional Analysis
The unit...
65.0K


