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左肾静脉扩张:慢性肝病患者自发性脾肾分流的一个指标。

Dilation of the left renal vein: an indicator of spontaneous splenorenal shunt in chronic liver disease patients.

作者信息

Durur Karakaya Afak, Sorkun Mine, Akyıldız Murat, Kanmaz Turan, Gürses Bengi

机构信息

Department of Radiology, Faculty of Medicine, Koc University, Istanbul, 34010, Turkey.

Department of Gastroenterology, Faculty of Medicine, Koc University, Istanbul, 34010, Turkey.

出版信息

Br J Radiol. 2025 May 1;98(1169):764-769. doi: 10.1093/bjr/tqaf048.

DOI:10.1093/bjr/tqaf048
PMID:40036952
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12012370/
Abstract

OBJECTIVES

Spontaneous splenorenal shunts (SSS) in chronic liver disease (CLD) impact liver perfusion and prognosis post-liver transplantation. This study aims to identify radiological findings that predict the presence of SSS in CLD patients and to examine the relationship between SSS and left renal vein diameter.

METHODS

A retrospective study was conducted on 150 adult patients evaluated for liver transplants from June 2018 to April 2021. The study groups included healthy controls (Group 1), CLD patients without SSS (Group 2), and those with SSS (Group 3). Multidetector CT angiography was used to measure the diameters of renal veins, portal vein, spleen size, and SSS.

RESULTS

Significant differences were found between the groups for spleen size, splenic vein diameter, portal vein diameter, left renal vein diameter, and renal vein diameter difference, except for the right renal vein diameter. A left renal vein diameter of 10.5 mm or greater and both renal veins diameter difference of 0.5 mm or more favouring the left showed good diagnostic performance for predicting SSS, with area under the curve values of 0.828 and 0.833, respectively.

CONCLUSION

Dilation of the left renal vein and a greater diameter difference between renal veins favouring the left are strong indicators of SSS in CLD patients. These findings can aid in pre-transplant assessments and potentially improve post-transplant outcomes.

ADVANCES IN KNOWLEDGE

This study establishes that an increased diameter of the left renal vein and a greater diameter difference between renal veins are reliable radiological indicators for predicting the presence of SSS in CLD patients.

摘要

目的

慢性肝病(CLD)中的自发性脾肾分流(SSS)会影响肝脏灌注及肝移植后的预后。本研究旨在确定能够预测CLD患者存在SSS的影像学表现,并研究SSS与左肾静脉直径之间的关系。

方法

对2018年6月至2021年4月期间接受肝移植评估的150例成年患者进行回顾性研究。研究组包括健康对照组(第1组)、无SSS的CLD患者(第2组)和有SSS的患者(第3组)。使用多排CT血管造影测量肾静脉、门静脉直径、脾脏大小及SSS。

结果

除右肾静脉直径外,各组之间在脾脏大小、脾静脉直径、门静脉直径、左肾静脉直径和肾静脉直径差值方面存在显著差异。左肾静脉直径≥10.5 mm以及双肾静脉直径差值≥0.5 mm(左肾直径更大)对预测SSS具有良好的诊断性能,曲线下面积值分别为0.828和0.833。

结论

左肾静脉扩张以及双肾静脉直径差值增大(左肾直径更大)是CLD患者存在SSS的有力指标。这些发现有助于移植前评估,并可能改善移植后结局。

知识进展

本研究证实,左肾静脉直径增加以及双肾静脉直径差值增大是预测CLD患者存在SSS的可靠影像学指标。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/b5a99c4f2906/tqaf048f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/7e4716181ef8/tqaf048f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/4e8451ea2916/tqaf048f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/9b884b946dbe/tqaf048f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/b5a99c4f2906/tqaf048f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/7e4716181ef8/tqaf048f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/2d14b335efde/tqaf048f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/44e9fe65e7ee/tqaf048f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/4e8451ea2916/tqaf048f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/9b884b946dbe/tqaf048f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/729f/12012370/b5a99c4f2906/tqaf048f6.jpg

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本文引用的文献

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Computed Tomography Images of Spontaneous Portosystemic Shunt in Liver Cirrhosis.肝硬化自发性门体分流的计算机断层扫描图像。
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Impact of spontaneous splenorenal shunt on liver volume and long-term survival of liver cirrhosis.自发性脾肾分流对肝硬化患者肝体积和长期生存的影响。
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Spontaneous porto-systemic shunts in liver cirrhosis: Clinical and therapeutical aspects.
肝硬化自发性门体分流:临床与治疗学方面。
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Hepatol Commun. 2018 Feb 9;2(4):437-444. doi: 10.1002/hep4.1157. eCollection 2018 Apr.
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Association Between Portosystemic Shunts and Increased Complications and Mortality in Patients With Cirrhosis.门体分流与肝硬化患者并发症和死亡率增加的关系。
Gastroenterology. 2018 May;154(6):1694-1705.e4. doi: 10.1053/j.gastro.2018.01.028. Epub 2018 Jan 31.
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Prevalence and Clinical Characteristics of Spontaneous Splenorenal Shunt in Liver Cirrhosis: A Retrospective Observational Study Based on Contrast-Enhanced Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) Scans.肝硬化患者自发性脾肾分流的患病率及临床特征:一项基于对比增强计算机断层扫描(CT)和磁共振成像(MRI)扫描的回顾性观察研究。
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Radiological anatomy of spontaneous splenorenal shunts in patients with chronic liver disease.慢性肝病患者自发性脾肾分流的放射解剖学
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