Publications by authors named "Maria T Arias-Loste"

Metabolic dysfunction-associated steatohepatitis(MASH) is commonly seen in biopsy proven steatotic liver disease(SLD). Life-style intervention reaching a weight loss higher than 10% promotes MASH resolution, but this goal is only achieved by a small number of patients. Endoscopic sleeve gastroplasty(ESG) has recently emerged as a safe and effective option to promote weight loss in obese population.

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  • The study investigates the link between metabolic dysfunction-associated steatotic liver disease (MASLD) and immune-mediated inflammatory diseases (IMIDs), finding a higher prevalence of advanced liver disease in IMID patients compared to a matched control group.
  • Utilizing a case-control design, the research analyzed liver biopsy data and RNA sequencing from patients to identify significant differences in gene expression related to liver disease between IMID and control groups.
  • Results indicate that IMIDs not only increase the risk of advanced steatotic liver disease but also suggest a unique pathway for MASLD development in these patients, separate from traditional metabolic factors.
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  • The concept of hepatic steatosis linked to high alcohol consumption was first documented in 1836 by Addison et al.
  • In 1980, Ludwig and colleagues identified a similar liver condition in non-drinkers, leading to the term non-alcoholic steatohepatitis (NASH).
  • In 2020, Eslam et al. updated the terminology to Metabolic Associated Fatty Liver Disease (MAFLD) to emphasize its link to metabolic issues, though this change was met with some resistance due to lack of global agreement.
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  • The study investigates how well non-invasive tests (NITs) can diagnose metabolic dysfunction-associated steatohepatitis (MASH) and fibrosis in patients over 50 with Type 2 Diabetes and obesity.
  • Out of 124 patients, a significant portion was found to have either early MASH or MASH with significant fibrosis, with the OWLiver Panel accurately classifying 86.1% of cases.
  • Results indicate that the OWLiver Panel is an effective one-step screening tool for identifying MASH in high-risk individuals, outperforming combinations of different NITs.
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  • This study investigates the relationship between alcohol consumption levels and the severity of steatotic liver disease (SLD) across two different populations (Spain and the US).
  • The research defines distinct categories of SLD based on alcohol intake and metabolic factors, showing that higher alcohol consumption correlates with increased prevalence of significant fibrosis and fatty liver disease complications.
  • Findings from both the derivation and validation cohorts confirm that moderate alcohol intake is associated with a higher risk of progression to severe liver issues, reinforcing the importance of understanding alcohol's role in liver health.
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  • The study aimed to evaluate the role of FGF21 in metabolic dysfunction-associated steatotic liver disease (MASLD) by analyzing both human samples and animal models.
  • Significant increases in FGF21 gene expression and circulating levels were found in MASLD patients as well as in cell and animal models exposed to fatty acids.
  • Additionally, the A-allele from the FGF21 rs838133 variant was linked to a higher risk of severe liver conditions in MASLD patients, indicating genetic factors may contribute to disease severity.
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  • Non-alcoholic fatty liver disease (NAFLD), now often referred to as metabolic dysfunction-associated fatty liver disease (MAFLD), is prevalent among children and teens with obesity and is linked to metabolic syndrome factors like insulin resistance.
  • A consensus of 65 international experts was reached through surveys to create recommendations covering various aspects of pediatric MAFLD, including its causes, epidemiology, and treatment strategies.
  • The final consensus aims to enhance clinical outcomes and life quality for affected youth, highlighting the importance of standardized diagnosis and treatment methods.
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Background: Preliminary evidence suggests that inherited hypercoagulable disorders can lead to an increased risk of significant liver fibrosis.

Objective: We aimed to investigate the prevalence of significant fibrosis in patients with inherited thrombophilia, assessed by using liver stiffness (LS), and to compare this prevalence to that found in a large population-based cohort from the same region.

Methods: This was a single-center, cross-sectional study.

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Background: About 25% of patients with acute hepatitis C virus (HCV) infection show spontaneous clearance within the first six months of infection but may remain at risk of inflammaging, aging, and liver and non-liver disease complications. This study evaluated the differences in the plasma levels of immune checkpoints (ICs) and senescence-associated secretory phenotype (SASP) biomarkers between patients who had spontaneously eliminated HCV infection (SC group) and individuals without evidence of HCV infection (C group).

Methods: We performed a multicenter retrospective study of 56 individuals: 32 in the SC and 24 in the C groups.

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Background: Early identification of those with NAFLD activity score ≥ 4 and significant fibrosis (≥F2) or at-risk metabolic dysfunction-associated steatohepatitis (MASH) is a priority as these patients are at increased risk for disease progression and may benefit from therapies. We developed and validated a highly specific metabolomics-driven score to identify at-risk MASH.

Methods: We included derivation (n = 790) and validation (n = 565) cohorts from international tertiary centers.

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Non-alcoholic fatty liver disease (NAFLD) encompasses a spectrum of disorders ranging from simple steatosis to non-alcoholic steatohepatitis (NASH). Hepatic steatosis may result from the dysfunction of multiple pathways and thus multiple molecular triggers involved in the disease have been described. The development of NASH entails the activation of inflammatory and fibrotic processes.

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Non-alcoholic fatty liver disease (NAFLD) is the most common cause of chronic liver disease worldwide, and its incidence has been increasing in recent years because of the high prevalence of obesity and metabolic syndrome in the Western population. Alcohol-related liver disease (ArLD) is the most common cause of cirrhosis and constitutes the leading cause of cirrhosis-related deaths worldwide. Both NAFLD and ArLD constitute well-known causes of liver damage, with some similarities in their pathophysiology.

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Non-alcoholic fatty liver disease (NAFLD) is currently the most prevalent cause of chronic liver disease (CLD). Currently, the only therapeutic recommendation available is a lifestyle change. However, adherence to this approach is often difficult to guarantee.

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NAFLD is a multisystem condition and the leading cause of chronic liver disease globally. There are no approved NAFLD-specific dugs. To advance in the prevention and treatment of NAFLD, there is a clear need to better understand the pathophysiology and genetic and environmental risk factors, identify subphenotypes, and develop personalized and precision medicine.

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Globally, the use of digital health interventions (DHIs) is expanding, along with growing scientific evidence of their effectiveness. Given the high and increasing prevalence of noncommunicable liver disease, we surveyed 295 physicians across Spain about their knowledge, beliefs, attitudes, practices, and access with regard to DHIs for patient care and in particular for liver diseases, including nonalcoholic fatty liver disease and nonalcoholic steatohepatitis. Physicians reported high familiarity with DHIs, although most had not recommended them in patient care.

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Background And Aims: Spleen stiffness measurement (SSM) by vibration-controlled transient elastography (VCTE) has been tested in a limited number of studies versus hepatic venous pressure gradient (HVPG), especially with the 100 Hz spleen-specific module. The current study aims to evaluate the diagnostic performance of this novel module for detecting clinically significant portal hypertension (CSPH) in a cohort of compensated patients with metabolic-associated fatty liver disease (MAFLD) as the main aetiology and to improve the performance of the Baveno VII criteria for CSPH diagnosis by including SSM.

Methods: This is a retrospective single-centre study including patients with available measurements of HVPG, Liver stiffness measurement (LSM) and SSM by VCTE with the 100 Hz module.

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Background: Cardiometabolic disorders are largely responsible for excess mortality in schizophrenia. Non-alcoholic fatty liver disease (NAFLD) is increasingly relevant in the development of metabolic risk factors that have been associated with antipsychotic treatment. We aimed to assess the incidence of NAFLD and metabolic disturbances during the first 3 years of antipsychotic treatment in patients with first episode of psychosis (FEP), and compare it with the incidence in a control group.

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  • * The research utilized a large Spanish dataset that combined data from a population-based cohort and a biopsy-confirmed NASH cohort to estimate NASH fibrosis prevalence stages based on liver stiffness measurements (LSM).
  • * Findings indicated that approximately 3.21% of the adult population in Spain had elevated liver stiffness due to NAFLD, with the estimated prevalence of significant NASH fibrosis (F2-3) and cirrhosis being 1.33% and
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Background: Estimates of detectable antinuclear antibodies (ANA) prevalence vary widely, from 6% in healthy populations to 50-80% in patients with autoimmune disease. However, there is a lack of evidence about the overall prevalence in inflammatory bowel disease (IBD) and ANA seroconversion after the beginning of biological therapy.

Objectives: The aim of the study was to investigate the overall prevalence of ANA in IBD patients, their relationship with different treatments, clinical outcomes and the seroconversion rate of ANA in patients treated with biological therapy.

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Background & Aims: There is conflicting evidence regarding the prevalence of and risk factors for metabolic-associated fatty liver disease (MAFLD) in patients with inflammatory bowel disease (IBD). We aimed to determine MAFLD prevalence and risk factors in IBD patients.

Methods: Cross-sectional, case-control study included all consecutive IBD patients treated at 2 different university hospitals.

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Non-alcoholic fatty liver disease (NAFLD) is characterized by the excessive and detrimental accumulation of liver fat as a result of high-caloric intake and/or cellular and molecular abnormalities. The prevalence of this pathological event is increasing worldwide, and is intimately associated with obesity and type 2 diabetes mellitus, among other comorbidities. To date, only therapeutic strategies based on lifestyle changes have exhibited a beneficial impact on patients with NAFLD, but unfortunately this approach is often difficult to implement, and shows poor long-term adherence.

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Background: Non-alcoholic steatohepatitis (NASH) is frequently associated with obesity, and its standard treatment is weight loss with diet and exercise; a dy% weight reduction has been associated with improvement in liver histological and analytical abnormalities. However, less than 25% of subjects achieve this goal. Laparoscopic sleeve gastrectomy (LSG) represents the most common procedure of bariatric surgery, providing effective weight loss and improvement in comorbidities such as NASH, but it is associated with several postoperative complications.

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