Contrast‐enhanced sonography for screening of vascular complication in recipients following living donor liver transplantation

Lee, So Jung; Kim, Kyung Won; Kim, So Yeon; Park, Yang Shin; Lee, Jeongjin; Kim, Hyoung Jung; Lee, Jong Seok; Song, Gi Won; Hwang, Shin; Lee, Sung‐Gyu

doi:10.1002/jcu.22044

Cited by 21 publications

(13 citation statements)

References 15 publications

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“…It allows to show small thrombus in a peripheral portal branch [108,110] . In a retrospective evaluation of 23 pati ents, CEUS was used as an additional diagnostic method to DUS, CT and magnetic resonance imaging [110] .…”

Section: Summary Of the Clinical Characteristics About Harmentioning

confidence: 99%

“…DUS protocols vary widely worldwide among liver transplant centers, but most teams recommend performing DUS daily (some authors recommend twice daily) in the immediate postoperative period until POD 5 or in the presence of abnormalities of liver function tests or a clinical suspicion of the diagnosis [106109] . Recently, other authors have proposed the use of CEUS to avoid frequent false-positive results after DUS [108,110] . CEUS may help in assessing the severity of portal insufficiency, Table 6 Portal vein thombosis highlights…”

Section: Summary Of the Clinical Characteristics About Harmentioning

confidence: 99%

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Vascular complications following liver transplantation: A literature review of advances in 2015

Piardi¹

2016

WJH

155

159

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Although vascular complications (VCs) following orthotopic liver transplantation (OLT) seldom occur, they are the most feared complications with a high incidence of both graft loss and mortality, as they compromise the blood flow of the transplant (either inflow or outflow). Diagnosis and therapeutic management of VCs constitute a major challenge in terms of increasing the success rate of liver transplantation. While surgical treatment used to be considered the first choice for management, advances in endovascular intervention have increased to make this a viable therapeutic option. Considering VC as a rare but a major and dreadful issue in OLT history, and in view of the continuing and rapid progress in recent years, an update on these uncommon conditions seemed necessary. In this sense, this review comprehensively discusses the important features (epidemiological, clinical, paraclinical, prognostic and therapeutic) of VCs following OLT. Core tip: Although vascular complications (VCs) following orthotopic liver transplantation (OLT) seldom occur, they are the most feared complications with a high incidence of both graft loss and mortality, as

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Section: Summary Of the Clinical Characteristics About Harmentioning

confidence: 99%

Section: Summary Of the Clinical Characteristics About Harmentioning

confidence: 99%

Vascular complications following liver transplantation: A literature review of advances in 2015

Piardi¹

2016

WJH

155

159

View full text Add to dashboard Cite

show abstract

“…In this study, we used CEUS as a postoperative routine imaging examination method. CEUS, has been widely used for the differential diagnosis of abdominal organs with space-occupying lesion ( 15 , 16 ), and it has also been applied for the diagnosis of vascular complications following liver transplantation ( 17 – 19 ). Ultrasound contrast agent, which also served as a blood pool tracer, can be used in real-time ultrasound contrast imaging to identify large blood vessels and the micro-vascular system ( 20 ).…”

Section: Discussionmentioning

confidence: 99%

Common ultrasound and contrast-enhanced ultrasonography in the diagnosis of hepatic artery pseudoaneurysm after liver transplantation

Ren

Luo

Gao

et al. 2016

Experimental and Therapeutic Medicine

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The diagnostic value of common ultrasound and contrast-enhanced ultrasonography (CEUS) in hepatic artery pseudoaneurysm (HAP) after liver transplantation was investigated. From January 2005 to November 2015, information was collected on 2,085 cases of orthotopic liver transplantation. The cases included 1,617 men and 468 women. Common ultrasound and CEUS were used to monitor arterial blood flow following surgery, and the complications were assessed. Instruments used included Acuson Sequoia 512 and Mylab Twice, and the contrast agent was SonoVue. The standard of common ultrasound in the diagnosis of HAP was follicular structure, which had arterial blood flow signal present beside the hepatic artery. The diagnostic criteria of HAP using CEUS were abnormal and round contrast enhancement zone and perfusion of the contrast agent in the zone near the hepatic artery. The diagnostic standard of HAP was computed tomographic angiography (CTA) and emergency operation. Eight cases of HAP were diagnosed in 2,085 patients after liver transplantation (0.38%). Three cases of HAP were diagnosed successfully by common ultrasound while 5 cases were missed. Sensitivity, specificity and diagnostic accuracy for common ultrasound was 37.5, 100 and 99.76%, respectively. Six cases of HAP were diagnosed by CEUS and 2 cases were missed. Sensitivity, specificity and diagnostic accuracy for CEUS was 75, 100 and 99.9%, respectively. Collectively, CEUS is a convenient and effective diagnostic method for HAP following liver transplantation, the diagnostic sensitivity was obviously higher than that of the common ultrasound, and it was more convenient than CTA. Nevertheless, the diagnosis of pseudoaneurysm with deep location, and unsatisfactory grayscale images were easily missed.

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“…This is due to the fact that ultrasound contrast agents have a low incidence of allergic reactions which only occurs in one out of ten thousand cases, according to previous studies (18,19). Prior studies have revealed a relatively high accuracy (> 90%) of CEUS for the diagnosis of postoperative vascular complications including HAT, HAS, PVT and PVS (10,20,21). However, these individual studies only involved a limited number of patients and therefore, the actual diagnostic value of CEUS could not be determined.…”

Section: Introductionmentioning

confidence: 99%

Meta-analysis of the diagnostic value of contrast-enhanced ultrasound for the detection of vascular complications after liver transplantation

Chen¹,

Xiong²,

Zhang³

et al. 2018

Rev Esp Enferm Dig

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Contrast‐enhanced sonography for screening of vascular complication in recipients following living donor liver transplantation

Cited by 21 publications

References 15 publications

Vascular complications following liver transplantation: A literature review of advances in 2015

Vascular complications following liver transplantation: A literature review of advances in 2015

Common ultrasound and contrast-enhanced ultrasonography in the diagnosis of hepatic artery pseudoaneurysm after liver transplantation

Meta-analysis of the diagnostic value of contrast-enhanced ultrasound for the detection of vascular complications after liver transplantation

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