Publications by authors named "Leonardo Centonze"

Posttransplant HCC recurrence significantly impacts survival, yet its management is challenging due to limited evidence. With recent advancements in HCC treatment, updated data on managing recurrent diseases are needed. In this retrospective study across 6 centers (2000-2022), we employed Cox proportional-hazards regression and log-rank tests to assess survival differences.

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Living donor liver transplantation (LDLT) has been proposed in many countries to reduce organ shortage. While the early postoperative outcomes have been well investigated, little is known about the long-term follow-up of the living donors. We, therefore, designed a systematic review of the literature to explore long-term complications and quality of life among living donors.

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Article Synopsis
  • A review analyzed 50 studies involving over 8000 patients between 2004 and 2023, focusing on patient selection and tumor outcomes, revealing variations in demographics and transplant methods across different regions.
  • Recent trends indicate improved selection processes and oncological outcomes for LDLT, highlighting the need for careful patient management while acknowledging the differences in practices between Eastern and Western countries.
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Introduction: Three-dimensional liver modeling can lead to substantial changes in choosing the type and extension of liver resection. This study aimed to explore whether 3D reconstruction helps to better understand the relationship between liver tumors and neighboring vascular structures compared to standard 2D CT scan images.

Methods: Contrast-enhanced CT scan images of 11 patients suffering from primary and secondary hepatic tumors were selected.

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Background & Aims: Split liver transplant(ation) (SLT) is still considered a challenging procedure that is by no means widely accepted. We aimed to present data on 25-year trends in SLT in Italy, and to investigate if, and to what extent, outcomes have improved nationwide during this time.

Methods: The study included all consecutive SLTs performed from May 1993 to December 2019, divided into three consecutive periods: 1993-2005, 2006-2014, and 2015-2019, which match changes in national allocation policies.

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Article Synopsis
  • This study explores the use of imaging techniques in identifying chronic rejection in liver transplant patients, as it remains a poorly understood area.
  • A retrospective analysis compared 27 patients with chronic liver transplant rejection to 91 control patients, looking for specific radiological signs of liver function alteration.
  • Key findings indicated that signs like periportal edema, biliary dilatation, ascites, and hepatosplenomegaly were significantly more common in rejection cases, especially periportal edema, which serves as an important warning sign if observed over a year post-transplant.
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Objective: To investigate the influence of postoperative complications on tumor-related (TRD), disease-free survival (DFS) and overall survival (OS) in patients undergoing liver transplant (LT) for hepatocellular carcinoma (HCC).

Methods: We retrospectively evaluated 425 LTs for HCC from 2010 to 2019. Postoperative complications were classified according to Comprehensive Complication Index (CCI) and the posttransplant risk of TRD assessed through Metroticket 2.

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Background: Although laparoscopic donor nephrectomy (LDN) represents the gold-standard technique for kidney living donation, robotic donor nephrectomy (RDN) settled as another appealing minimally invasive technique over the past decades. A comparison between LDN and RDN outcomes was performed.

Methods: RDN and LDN outcomes were compared, focusing on operative time and perioperative risk factors affecting surgery duration.

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Background: Early-stage hepatocellular carcinoma could benefit from upfront liver resection (LR) or liver transplantation (LT), but the optimal strategy in terms of tumor-related outcomes is still debated. We compared the oncological outcomes of LR and LT for hepatocellular carcinoma, stratifying the study population into a low-, intermediate-, and high-risk class according to the risk of death at 5-y predicted by a previously developed prognostic model. The impact of tumor pathology on oncological outcomes of low- and intermediate-risk patients undergoing LR was investigated as a secondary outcome.

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Background: The impact of spontaneous portosystemic shunts (SPSSs) on natural history of cirrhotic patients was recently evaluated through the measurement of total shunt area (TSA), a novel tool that allows a comprehensive assessment of SPSSs extension, identifying a direct correlation of higher TSA with lower patient survival. The role of SPSSs in liver transplant (LT) is still debated: we sought to investigate the clinical impact of TSA on the development of early allograft dysfunction (EAD), acute kidney injury (AKI), postoperative complications, and graft and patient survival following LT.

Methods: Preoperative imaging of 346 cirrhotic patients undergoing primary LT between 2015 and 2020 were retrospectively revised, recording the size and anatomy of each SPSS to calculate TSA.

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Background: Normothermic regional perfusion (NRP) and machine perfusion (MP) are variously used in many European centers to improve the outcomes after liver transplantation from donation after circulatory death (DCD). In Italy, a combination of NRP and subsequent MP has been used since the start of the activity. While NRP is mandatory for every DCD recovery, the subsequent use of MP is left to each center.

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: The latest Liver Imaging Reporting and Data System (LI-RADS) classification by the American College of Radiology has been recently endorsed in the American Association for the Study of Liver Disease (AASLD) guidelines for Hepatocellular carcinoma (HCC) management. Although the LI-RADS protocol has been developed as a diagnostic algorithm, there is some evidence concerning a possible correlation between different LI-RADS classes and specific pathological features of HCC. We aimed to investigate such radiological/pathological correlation and the possible prognostic implication of LI-RADS on a retrospective cohort of HCC patients undergoing surgical resection.

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A 34-year-old patient underwent liver transplantation for progressive hepatic failure in the setting of congenital hepatic fibrosis. In past medical history, the patient had undergone splenectomy with proximal Linton's splenorenal surgical shunt creation for symptomatic portal hypertension with hypersplenism. The patient developed an early allograft dysfunction, with radiologic evidence of a reduced portal flow associated to portal steal from the patent surgical shunt.

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We report a rare variant of the hepatic arterial supply observed during liver procurement from a 71-year-old female donor for whom an ischemic stroke caused brain death. Preoperative computed tomography showed a partially obliterated celiac trunk and an atypical arterial branch that coursed in a retropancreatic plane away from its origin at the superior mesenteric artery to anastomose with the common hepatic artery at the origin of the proper hepatic artery. The gastroduodenal artery and the dorsal pancreatic artery are the 2 conventional anastomotic arcades between the celiac trunk and the superior mesenteric artery.

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Although the diagnostic value of Liver Imaging Reporting and Data System (LI-RADS) protocol is well recognized in clinical practice, its role in liver transplant (LT) setting is under-explored. We sought to evaluate the oncological impact of LI-RADS classification applied to Metroticket 2.0 calculator in a single-centre retrospective cohort of transplanted hepatocellular carcinoma (HCC) patients, exploring which LI-RADS subclasses need to be considered in order to grant the best Metroticket 2.

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Cholangiocarcinoma accounts for approximately 10% of all hepatobiliary tumors and represents 3% of all new-diagnosed malignancies worldwide. Intrahepatic cholangiocarcinoma (i-CCA) accounts for 10% of all cases, perihilar (h-CCA) cholangiocarcinoma represents two-thirds of the cases, while distal cholangiocarcinoma accounts for the remaining quarter. Originally described by Klatskin in 1965, h-CCA represents one of the most challenging tumors for hepatobiliary surgeons, mainly because of the anatomical vascular relationships of the biliary confluence at the hepatic hilum.

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The impact of donor age on the recurrence of hepatocellular carcinoma (HCC) after liver transplantation is still debated. Between 2002 and 2014, all patients transplanted for HCC in 2 European liver transplantation tertiary centres were retrospectively reviewed. Risk factors for HCC recurrence were assessed using competing risk analysis, and the impact of donor age < or ≥65 years and < or ≥80 years was specifically evaluated after propensity score matching.

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: Single hepatocellular carcinoma (HCC) benefits from surgical resection (SR) or US-guided percutaneous ablation (PA), although the best approach is still debated. We evaluated the impact of Li-RADS classification on the oncological outcomes of SR vs. PA as single HCC first-line treatment.

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The coronavirus disease 2019 (COVID-19) pandemic has upended healthcare systems worldwide and led to an inevitable decrease in liver transplantation (LT) activity. During the first pandemic wave, administrators and clinicians were obliged to make the difficult decision of whether to suspend or continue a life-saving procedure based on the scarce available evidence regarding the risk of transmission and mortality in immunosuppressed patients. Those centers where the activity continued or was heavily restricted were obliged to screen donors and recipients, design COVID-safe clinical pathways, and promote telehealth to prevent nosocomial transmission.

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Although immunosuppressed patients may be more prone to SARS-CoV-2 infection with atypical presentation, long-term immunosuppression therapy may provide some sort of protection for severe clinical complications of COVID-19. The interaction between immunosuppression and new antiviral drugs in the treatment of transplanted patients contracting COVID-19 has not yet been fully investigated. Moreover, data regarding the optimal management of these patients are still very limited.

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The management of portosystemic shunts in liver transplant recipients relies on appropriate perioperative study. There are several strategies for shunt handling, ranging from preoperative interventional procedures to intraoperative surgical interruption or embolization. Appropriate management often results in a successful outcome, although wrong decisions could lead to serious consequences.

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Background: Despite that mortality following pancreatoduodenectomy (PD) has gradually dropped during the past few decades, the incidence of postoperative complications remains high, ranging from 30-60%. Many studies have been focused on identification of perioperative risk factors for morbidity, and in recent years, sarcopenia has been pointed out as a valid predictor of postoperative complication.

Materials And Methods: Perioperative data from 110 consecutive patients who underwent PD were retrieved, and the presence of sarcopenia was assessed by the measurement of Hounsfield unit average calculation on preoperative CT scans.

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