Publications by authors named "Joan Tosca"

Background/aim: Atezolizumab/bevacizumab (atez/bev) has been established as first-line systemic treatment for hepatocellular carcinoma (HCC). However, concerns regarding safety and efficacy have been raised, and no biomarkers to predict response have yet been identified. We aimed to evaluate the real-life experience of atez/bev in a Spanish tertiary hospital and identify factors associated with overall survival (OS).

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Background: Telemonitoring for inflammatory bowel disease (IBD) has not consistently demonstrated superiority over standard care; however, noninferiority may be an acceptable outcome if remote care proves to be more efficient.

Objective: This study aims to compare the remission time and quality of life of patients with active IBD managed through standard care versus the TECCU (Telemonitoring of Crohn Disease and Ulcerative Colitis) app.

Methods: A 2-arm, randomized, multicenter trial with a noninferiority design was conducted across 24 hospitals in Spain.

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Neurofilament light chain protein (NfL) levels reflect neuronal damage in several neurological diseases and have been proposed as a possible biomarker. Plasma extracellular vesicles (EVs) could play an important role as mediators of the inflammatory changes associated with inducing minimal hepatic encephalopathy (MHE) in cirrhotic patients. This study investigated the association of NfL levels in plasma and EVs with the presence of MHE in cirrhotic patients, and with responses to rifaximin treatment.

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Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease (CLD) worldwide and inflammation is key to its progression/resolution. As we have previously described that rilpivirine (RPV) is hepatoprotective in murine models of CLD, here we determine the molecular mechanisms involved, focusing on its anti-inflammatory and immunomodulating properties. They were evaluated in vitro (human hepatic cell lines of the major hepatic cell types), in vivo (liver samples from a murine nutritional model of NAFLD) and ex vivo (peripheral blood mononuclear cells -PBMC- from patients with CLD).

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Article Synopsis
  • The study investigates how clinical factors and the HLA-DQA1*05 genetic marker affect the discontinuation of biologic treatments in patients with inflammatory bowel disease (IBD).
  • A total of 150 IBD patients were analyzed, revealing that nearly half (47%) discontinued treatment, with primary non-response (PNR) more common in those with Ulcerative Colitis (UC) and secondary loss of response (SLR) linked to flare-ups and specific drugs like infliximab.
  • The findings emphasize the significance of both HLA genetics and clinical factors, especially in patients using adalimumab without immunosuppressants, highlighting the complexity of treatment responses in IBD.*
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Introduction: Caustic ingestion management could be improved with a diagnostic approach based on risk factors. This study aimed to develop an algorithm derived from predictive factors of a poor clinical course, to evaluate its diagnostic accuracy and resource consumption, and to compare it with 2 other approaches, a radiological one based on computed tomography and a classical one based on symptoms and endoscopy.

Methods: All patients older than 15 years presenting with caustic ingestion in our tertiary care hospital between 1995 and 2021 were prospectively included.

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Patients with cirrhosis may show minimal hepatic encephalopathy (MHE), for which rifaximin is effective. Metabolic syndrome may be associated with cognitive impairment. Our aims were to evaluate the influence of metabolic syndrome features on response to rifaximin for neurological and inflammatory alterations in MHE.

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Due to the improved effectiveness and safety of combined antiretroviral therapy, human immunodeficiency virus (HIV) infection has become a manageable, chronic condition rather than a mortal disease. However, HIV patients are at increased risk of experiencing non-AIDS-defining illnesses, with liver-related injury standing out as one of the leading causes of death among these patients. In addition to more HIV-specific processes, such as antiretroviral drug-related toxicity and direct injury to the liver by the virus itself, its pathogenesis is related to conditions that are also common in the general population, such as alcoholic and non-alcoholic fatty liver disease, viral hepatitis, and ageing.

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Article Synopsis
  • * Results show that NAFLD patients have impairments in various cognitive functions, with 32% presenting mild cognitive impairment (MCI), compared to 65% in cirrhotic patients.
  • * A new scoring system was developed for quicker MCI detection in NAFLD, emphasizing the importance of psychometric testing to address cognitive issues effectively.
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The COVID-19 pandemic has been a challenge for countries and health professionals worldwide. Viral entry by ACE-2 receptor and an excessive activation of the immune system are key to understand both incidence and severity of disease. Inflammatory Bowel Disease (IBD) represents a special condition associated with an inordinate response of the immune system to external agents.

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Background: Malnutrition is frequent in patients with cirrhosis and has been associated with poor prognosis. The Model for End-stage Liver Disease (MELD) score was created to predict survival after Transjugular Intrahepatic Porto-systemic Shunt (TIPS) but lacks a nutritional parameter.

Aims: To evaluate the prognostic value of serum cholesterol in patients with cirrhosis undergoing TIPS and to develop a prognostic score to predict survival.

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Article Synopsis
  • A study was conducted to evaluate the long-term effects of stopping anti-TNF treatment in patients with inflammatory bowel disease (IBD), focusing on relapse rates after discontinuation during clinical remission.
  • The study involved 1,055 patients and revealed a 12% yearly relapse rate, with 50% experiencing a relapse within five years, while many managed to regain remission after retreatment or switching therapies.
  • Overall, the findings suggest that while many patients remain in remission post-discontinuation, retreatment with the same anti-TNF is often effective for those who relapse, and alternative therapies can also lead to remission in non-responders.
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Background: Methotrexate can be used to maintain remission in Crohn's disease patients who are intolerant to thiopurines. Data on its use as monotherapy in other scenarios are limited.

Aim: To assess the effectiveness of methotrexate monotherapy in Crohn's disease patients after previous failure to anti-tumour necrosis factor (anti-TNFα) drugs.

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Patients with liver cirrhosis may develop minimal hepatic encephalopathy (MHE) which affects their quality of life and life span. It has been proposed that a shift in peripheral inflammation triggers the appearance of MHE. However, the mechanisms involved in this immune system shift remain unknown.

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Article Synopsis
  • Cirrhotic patients often face changes in their peripheral nervous system which can affect their sensory perception and lead to cognitive and motor impairments associated with minimal hepatic encephalopathy (MHE), affecting around 40% of these patients.
  • A study of 58 cirrhotic patients (20 with MHE, 38 without MHE) and 39 controls revealed that those with MHE had heightened thresholds for detecting cold and heat pain, which were linked to attention deficits and longer reaction times.
  • The research indicates that MHE is characterized by diminished cognitive and sensory functions early on, specifically affecting small autonomic nerve fibers and thermal sensitivity, making quantitative sensory testing a potential marker for diagnosing MHE.
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Background And Aims: Patients with decompensated cirrhosis frequently require hospital admissions, which are associated with worse prognosis. The aim of this study was to analyze the effect of TIPS on the need for hospital care. Secondary objectives were to assess the clinical and biological impact of TIPS and to identify predictors of post-TIPS hospital care.

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Background/aim: In chronic liver disease, various immune cell subsets exert pro or anti-tumour effects by releasing reactive oxygen and nitrogen species (ROS, RNS). Here, we evaluated the oxidative and nitrosative pattern in peripheral blood leukocyte subpopulations of early hepatocellular carcinoma (HCC) patients compared with HCC-free cirrhotic patients.

Materials And Methods: Venous blood samples from 18 HCC-free cirrhotic patients and 17 early stage HCC patients were collected to determine ROS, RNS and reduced glutathione levels in isolated leukocytes analyzed by flow cytometry.

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Background: Caustic ingestion is a potentially severe condition and early identification of poor outcome is essential to improve management; however, prediction based on endoscopy alone can overestimate severity. This study aimed to develop and validate a prognostic score.

Methods: A prospective cohort study was designed to include all consecutive patients aged > 15 years who presented with caustic ingestion between 1995 and 2017.

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Minimal hepatic encephalopathy (MHE) is associated with mild cognitive impairment and frailty. This study aims to identify cognitive and motor differences in cirrhotic patients with and without MHE, and the correlations between motor signs and cognitive performance. Gait, balance, hand strength and motor speed performance were evaluated in 66 cirrhotic patients (38 without and 28 with MHE, according to the Psychometric Hepatic Encephalopathy Score (PHES).

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Purpose: Recognizing patients with inflammatory bowel disease who are prone to infection would enable the adjustment of the type and intensity of immunosuppressive treatment. The aim of this study was to identify a clinical profile of risk for infections in IBD patients, based on the interaction of immunosuppressive treatment with factors inherent to the patient.

Methods: A case-control study was performed among patients older than 18 years.

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Background: Knowing patients' ulcerative colitis history is essential to selecting the appropriate therapy according to risk stratification.

Objective: To evaluate and identify predictive factors of non-response to aminosalicylates judged as the need for a step-up approach over time.

Methods: A case-control study of ulcerative colitis patients treated with aminosalicylates after the diagnosis of disease flare included in the ENEIDA single-centre registry from 1997 to 2017.

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Background: Minimal hepatic encephalopathy (MHE) in cirrhotic patients is associated with specific changes in parameters of the immune system reflecting a more pro-inflammatory environment than in patients without MHE. The aims of this work were to assess the effects of rifaximin treatment of cirrhotic patients with MHE on: (1) MHE; (2) intermediate (CD14CD16) pro-inflammatory monocytes; (3) expression of early activation marker CD69 in T lymphocytes; (4) autoreactive CD4CD28 T lymphocytes; (5) differentiation of CD4 T lymphocytes to Th follicular and Th22; (6) serum IgG levels; and (7) levels of some pro-inflammatory cytokines.

Methods: These parameters were measured by immunophenotyping and cytokine profile analysis in 30 controls without liver disease, 30 cirrhotic patients without MHE and 22 patients with MHE.

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Background: Previous publications have reported an association between hypertriglyceridemia (HTG) and severity of acute pancreatitis, but this relationship remains somewhat controversial.

Objective: To evaluate the outcome of acute pancreatitis according to serum triglyceride levels on admission.

Methods: Retrospective analysis of prospectively collected data, which included all consecutive cases of acute pancreatitis admitted to a tertiary hospital (January 2002-December 2014).

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Article Synopsis
  • Primary sclerosing cholangitis (PSC) is often linked with inflammatory bowel disease (IBD) and is associated with a higher risk of cancers, especially colorectal cancer (CRC) and cholangiocarcinoma (CCA).
  • A study of 277 PSC-IBD patients revealed a PSC incidence rate of 61 cases per 100,000 IBD patient-years, with the majority treated using ursodeoxycholic acid and some requiring liver transplants.
  • The findings indicate that PSC symptoms at diagnosis increase CRC risk, with CCA found primarily in patients with intra- and extrahepatic PSC, leading to poorer survival compared to those without CCA.
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Patients with minimal hepatic encephalopathy (MHE) show mild cognitive impairment associated with alterations in attentional and executive networks. There are no studies evaluating the relationship between memory in MHE and structural and functional connectivity (FC) changes in the hippocampal system. This study aimed to evaluate verbal learning and long-term memory in cirrhotic patients with (C-MHE) and without MHE (C-NMHE) and healthy controls.

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