Publications by authors named "Wim Laleman"

Background: Achieving competence in endoscopic retrograde cholangiopancreatography (ERCP) requires extensive training. Recognizing the potential of simulator-based education for safe and effective skill development, we aimed to assess whether initial training with the Boškoski-Costamagna ERCP Trainer (BCT) is beneficial compared with conventional training alone (i.e.

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Background: Sarcopenia is an acknowledged risk factor for individuals with chronic liver disease, however, the influence on outcomes in patients receiving transjugular intrahepatic portosystemic shunt (TIPS) remains underexplored.

Aims: This study aimed to investigate the association between sarcopenia and incidence of complications and mortality post-TIPS.

Methods: A retrospective analysis was performed on 175 patients who underwent TIPS between 2011-2021 at a Belgian tertiary care center.

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Background: Patients with advanced chronic liver disease (ACLD) are at high risk of developing hepatocellular carcinoma (HCC). Therefore, biannual surveillance is recommended. This large-scale multicenter study aimed to stratify the risk of HCC development in ACLD.

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Article Synopsis
  • Researchers aimed to evaluate spleen stiffness measurement (SSM) as a standalone non-invasive test for clinically significant portal hypertension (CSPH) in patients with compensated advanced chronic liver disease (cACLD) and compare it to the existing ANTICIPATE±NASH model.
  • The study involved 407 patients recruited from 16 expert centers in Europe, utilizing various non-invasive tests alongside hepatic venous pressure gradient measurements to assess CSPH probability.
  • The findings indicated the potential for SSM to enhance diagnostic capabilities, as models were created to evaluate its effectiveness and discriminative ability compared to existing methods using binary logistic regression analysis.
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Introduction And Objectives: TIPS placement is an effective, possibly life-saving, treatment for complications of portal hypertension. The pressure shift induced by the stent can lead to cardiac decompensation (CD). We investigated the incidence of CD, possible variables associated with CD and the validity of the Toulouse algorithm for risk prediction of CD post-TIPS.

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Background: Meandering main pancreatic duct (MMPD) refers to an uncommon ductal variant of the normal smooth curvilinear course of the pancreatic duct. More specifically, MMPD is characterized by a hairpin (reverse Z-type) or loop (loop-type) turn in the pancreatic head. It has been suggested as a predisposing factor for the development of pancreatitis.

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Background: Patient heterogeneity poses significant challenges for managing individuals and designing clinical trials, especially in complex diseases. Existing classifications rely on outcome-predicting scores, potentially overlooking crucial elements contributing to heterogeneity without necessarily impacting prognosis.

Methods: To address patient heterogeneity, we developed ClustALL, a computational pipeline that simultaneously faces diverse clinical data challenges like mixed types, missing values, and collinearity.

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Background & Aims: Metabolic dysfunction-associated steatotic liver disease (MASLD) is a leading cause of advanced chronic liver disease (ACLD). Portal hypertension drives hepatic decompensation and is best diagnosed by hepatic venous pressure gradient (HVPG) measurement. Here, we investigate the prognostic value of HVPG in MASLD-related compensated ACLD (MASLD-cACLD).

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Background And Aims: Acute-on-chronic liver failure (ACLF) is a complication of cirrhosis characterized by multiple organ failure and high short-term mortality. The pathophysiology of ACLF involves elevated systemic inflammation leading to organ failure, along with immune dysfunction that heightens susceptibility to bacterial infections. However, it is unclear how these aspects are associated with recovery and nonrecovery in ACLF.

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Transjugular intrahepatic portosystemic shunt (TIPS) has become essential in the treatment or prevention of portal hypertension-related complications. In the early 1990s, the primary indication was refractory bleeding. It is now proposed for the treatment of ascites for the prevention of bleeding and in patients with vascular diseases of the liver.

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: Liver transplant recipients often require endoscopic retrograde cholangiopancreatography (ERCP) for biliary complications, which can lead to infections. This retrospective single-center study aimed to identify risk factors for infectious complications following ERCP in liver transplant patients. : A retrospective analysis was conducted on 285 elective ERCP interventions performed in 88 liver transplant patients at a tertiary care center.

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Introduction: The Baveno VI criteria have set the stage for noninvasive assessment of compensated advanced chronic liver disease (ACLD). The algorithm combining liver stiffness measurement (LSM, <20 kPa) and platelet count (>150,000/μL) safely avoids screening endoscopy for varices needing treatment (VNT) but identifies only a relatively low number of patients. We aimed to evaluate the value of spleen stiffness measurement (SSM) using spleen-dedicated elastography in ruling out VNT.

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Background: Patients with cirrhosis are susceptible to develop bacterial infections that trigger acute decompensation (AD) and acute-on-chronic liver failure (ACLF). Infections with multidrug-resistant organisms (MDRO) are associated with deleterious outcome. MDRO colonisation frequently proceeds MDRO infections and antibiotic therapy has been associated with MDRO colonisation.

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Article Synopsis
  • Human albumin is a treatment for complications related to cirrhosis, but its long-term use is expensive and burdensome, making it important to identify predictive biomarkers to determine which patients would benefit most from the treatment.
  • The ALB-TRIAL is a multinational, double-blind study that aims to validate a biomarker panel to predict responses to human albumin in patients with cirrhosis and ascites, enrolling patients into high and low effect groups before randomizing them to treatment or placebo.
  • The trial has received ethical approvals from multiple European countries and plans to share its findings through various channels after completion, ensuring transparency and accessibility of the results.
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  • Spontaneous portosystemic shunts (SPSS) often develop in patients with cirrhosis, and their progression over time, especially in relation to treatments like alcohol abstinence or antiviral therapy for HCV, was the focus of this study.
  • In a cohort of 617 patients followed over an average of 63 months, there was a noticeable increase in the severity of SPSS, with larger and more frequent shunts observed, particularly among non-cured patients who experienced poorer liver function and more complications.
  • Overall, while interventions like quitting alcohol or successful HCV treatment improved liver health and reduced complications, SPSS continued to exist and worsen, albeit at a slower rate in patients who were cured.
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Transjugular intrahepatic portosystemic shunt (TIPS) is an established treatment for portal hypertension and its' complications in liver cirrhosis, yet the development of hepatic encephalopathy (HE) remains a significant concern. This review covers the reported incidence, risk factors, and management strategies for post-TIPS HE over the past decade. Incidence varies widely (7-61%), with factors like age, liver function, hyponatremia, and spontaneous portosystemic shunts influencing risk.

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The growing and evolving field of EUS and advanced hepatobiliary endoscopy has amplified traditional upper gastrointestinal endoscopy and unveiled novel options for remaining unsolved hepatobiliary issues, both diagnostically and therapeutically. This conceptually appealing and fascinating integration of endoscopy within the practice of hepatology is referred to as 'endo-hepatology'. Endo-hepatology focuses on the one hand on disorders of the liver parenchyma and liver vasculature and of the hepatobiliary tract on the other hand.

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Background: Patients with decompensated cirrhosis experience high mortality rates. Current prognostic scores, including the model for end-stage liver disease (MELD), may underperform in settings other than in those they were initially developed. Novel biomarkers have been proposed to improve prognostication accuracy and even to predict development of complications.

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Endoscopic ultrasound-guided choledochoduodenostomy (EUS-CDS) with lumen apposing metal stent is emerging both as a rescue strategy and a primary treatment for distal malignant biliary obstruction. The large-scale diffusion of the procedure and improved overall survival of patients with pancreatobiliary neoplasms is resulting in a growing population of long-term EUS-CDS lumen apposing metal stent carriers. Recent studies have reported a need for reintervention during follow-up as high as 55%, and the Leuven-Amsterdam-Milan Study Group classification has been developed, identifying five mechanisms of stent dysfunction and 11 possible rescue strategies aimed at restoring biliary drainage.

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Background & Aims: Pre-emptive transjugular intrahepatic portosystemic shunt (TIPS) is the treatment of choice for high-risk acute variceal bleeding (AVB; i.e., Child-Turcotte-Pugh [CTP] B8-9+active bleeding/C10-13).

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Common variable immunodeficiency (CVID) associated liver disease is an underrecognized and poorly studied non-infectious complication that lacks an established treatment. We describe a CVID patient with severe multiorgan complications, including non-cirrhotic portal hypertension secondary to nodular regenerative hyperplasia leading to diuretic-refractory ascites. Remarkably, treatment with rituximab, administered for concomitant immune thrombocytopenia, resulted in the complete and sustained resolution of portal hypertension and ascites.

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Objectives: A new short device for percutaneous endoscopic cholangioscopy was recently developed. However, feasibility and safety has not yet been evaluated. The aim of this study was to assess clinical success, technical success, and adverse events (AEs).

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Article Synopsis
  • Acute-on-chronic liver failure (ACLF) is a complicated condition resulting from the worsening of liver cirrhosis, leading to rapid organ failure and increased risk of death.
  • Clinicians must carefully weigh the benefits of medical interventions like endoscopies and surgeries against the potential risk of worsening the patient's condition.
  • The review focuses on how different medical procedures can trigger or help prevent ACLF, emphasizing the importance of careful patient selection.
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