Multimodality Imaging after Liver Transplant: Top 10 Important                     Complications

Brookmeyer, Claire; Bhatt, Shweta; Fishman, Elliot K.; Sheth, Sheila

doi:10.1148/rg.210108

Cited by 17 publications

(13 citation statements)

References 65 publications

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“…Ultrasound (US) evaluation is the modality of choice for assessing liver graft vasculature. It offers a rapid, comprehensive, and accurate grayscale and CDUS evaluation of liver parenchyma at the patient's bedside[ 29 , 42 ], which allows precise assessment of the entire graft vasculature, particularly the blood flow in the HA anastomosis[ 28 ].…”

Section: Multimodality Imaging Of Hepatic Artery Thrombosis After Liv...mentioning

confidence: 99%

“…Color-doppler ultrasound (CDUS) is the modality of choice for the postoperative surveillance of liver graft vasculature during the postoperative period, which could depict hemodynamic changes that require further assessment with second-line diagnostic tools such as computed tomography angiography (CTA) or conventional hepatic arterial angiography[ 17 , 29 , 30 ].…”

Section: Introductionmentioning

confidence: 99%

“…CTA is the second line of choice when a hemodynamic HA abnormality is suspected on doppler ultrasound evaluation[ 29 , 31 ]. The interpretation of CTA still requires a detailed evaluation of all abdominal vascular structures, which is a time- and labor-intensive process that requires high expertise in abdominal imaging.…”

Section: Introductionmentioning

confidence: 99%

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Improving the radiological diagnosis of hepatic artery thrombosis after liver transplantation: Current approaches and future challenges

Lindner,

Riquelme,

San Martín

et al. 2024

World J Transplant

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Hepatic artery thrombosis (HAT) is a devastating vascular complication following liver transplantation, requiring prompt diagnosis and rapid revascularization treatment to prevent graft loss. At present, imaging modalities such as ultrasound, computed tomography, and magnetic resonance play crucial roles in diagnosing HAT. Although imaging techniques have improved sensitivity and specificity for HAT diagnosis, they have limitations that hinder the timely diagnosis of this complication. In this sense, the emergence of artificial intelligence (AI) presents a transformative opportunity to address these diagnostic limitations. The development of machine learning algorithms and deep neural networks has demonstrated the potential to enhance the precision diagnosis of liver transplant complications, enabling quicker and more accurate detection of HAT. This article examines the current landscape of imaging diagnostic techniques for HAT and explores the emerging role of AI in addressing future challenges in the diagnosis of HAT after liver transplant.

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Section: Multimodality Imaging Of Hepatic Artery Thrombosis After Liv...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improving the radiological diagnosis of hepatic artery thrombosis after liver transplantation: Current approaches and future challenges

Lindner,

Riquelme,

San Martín

et al. 2024

World J Transplant

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“…Cadaveric donor inferior vena cavas (IVCs) are anastomosed to the recipient IVCs using a piggyback technique or bicaval conventional approach. 6,7 For biliary anastomosis, surgeons have a variety of surgical techniques that they can use for reconstruction based on the connection of the donor biliary system to the recipient's biliary or gastrointestinal system. These options include duct-to-duct anastomosis (choledococholechostomy), hepaticoduodenostomy, hepaticojejunostomy, or Roux-en-Y choledocojejunostomy.…”

Section: Biliary Reconstruction Anatomy and Techniquesmentioning

confidence: 99%

“…For cadaveric donors, anatomic anastomosis between graft and donor hepatic arteries and portal veins can be performed in end-to-end fashion. Cadaveric donor inferior vena cavas (IVCs) are anastomosed to the recipient IVCs using a piggyback technique or bicaval conventional approach 6,7…”

Section: Biliary Reconstruction Anatomy and Techniquesmentioning

confidence: 99%

Biliary Complications After Liver Transplantation

Pierce,

Hendzel

et al. 2023

Contemporary Diagnostic Radiology

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Liver transplantation continues to be an optimal treatment choice for end-stage liver disease, acute liver failure, and primary liver cancer. An understanding and anticipation of potential complications of liver transplantation is integral to the medical and interventional management of these postoperative patients. Complications related to the biliary system are the most common posttransplant complications. Potential complications include biliary strictures, leakage, intraductal stone/sludge, and biliary cast syndrome. Multiple diagnostic imaging modalities are available including ultrasound, CT angiography, and hepatobiliary iminodiacetic acid scanning for evaluation of the biliary system and associated complications. The approach of interventional access to the biliary system after surgery is tailored based on surgical transplantation techniques. Endoscopic retrograde cholangiopancreatography remains the imaging modality of choice for evaluation and potential therapeutic intervention. If the biliary tree is not accessible by endoscopy due to postsurgical anatomy changes, interventional radiology may play a vital role in complication management and can provide percutaneous transhepatic cholangiography as a less invasive alternative to surgical intervention.

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