静脉转移大小是 TIPS 患者明显肝脏脑病变的关键决定因素
Davide Roccarina1,2, Dario Saltini3, Marco Senzolo4
1Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
JHEP reports : innovation in hepatology
|January 8, 2026
概括
与标准TIPS相比,低扩张的横性肝内移植系统分流 (U-TIPS) 降低了明显肝脑病变 (OHE) 的风险. 不仅仅是压力梯度,特大小也是防止TIPS程序后OHE的关键.
科学领域:
- 干预性放射学 干预性放射学
- 肝病学 肝病学是一种肝病学.
- 胃肠病学 胃肠病学
背景情况:
- 跨内肝移植系统分流 (TIPS) 用于门高血压 (PH) 并发症.
- 开放性肝脑病变 (OHE) 是 TIPS 后的一个显著风险.
- 不够扩展的TIPS (U-TIPS) 可能会降低OHE风险.
研究的目的:
- 评估手术结束时波尔托-卡瓦尔压力梯度 (PCPG) 和内膜假体扩张对TIPS后OHE风险的影响.
- 为了比较U-TIPS和标准TIPS (S-TIPS) 之间的OHE发病率.
主要方法:
- 对408名肝硬化患者进行TIPS的回顾性分析.
- 使用竞争性风险模型分析1年内OHE发生率.
- U-TIPS定义为内置假肢扩张≤7毫米;S-TIPS>7毫米.
主要成果:
- 一年内OHE发生率为U-TIPS的33%,S-TIPS的50% (p<0.001).
- S-TIPS,年龄较大,之前的OHE和Child-Pugh类B/C都与OHE独立相关.
- 适当的血液动力学反应和PCPG<10 mmHg在TIPS组中都没有显著影响OHE.
结论:
- 末端假肢扩张 (顺位大小) 是TIPS后OHE的独立决定因素.
- 提示的低扩张有效地减少OHE的发生,同时管理PH并发症.
相关概念视频
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
179
In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...
179
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow
210
Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug...
210
Esophageal Varices-II: Clinical Features and Management
359
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
359
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment
248
Hepatic impairment, characterized by decreased liver function, does not uniformly mandate adjustments in drug dosage. Whether dosage modifications are necessary depends on various factors related to the drug's metabolism and elimination pathways. If a drug is primarily excreted via the kidneys and bypasses significant hepatic processing, if it undergoes minimal metabolic transformation in the liver, or if it is volatile and primarily expelled through the lungs, dose adjustments may not be...
248
Hepatic Drug Excretion: Influencing Factors
518
The biliary system of the liver, crucial for bile secretion and drug excretion, comprises intrahepatic bile ducts that merge to form the common hepatic duct. This duct, carrying hepatic bile, combines with the cystic duct, draining the gallbladder and forming the common bile duct, which empties into the duodenum. Bile, produced by hepatic cells lining the bile canaliculi, is composed primarily of water, bile salts, pigments, electrolytes, and lesser amounts of cholesterol and fatty acids. Bile...
518


