Publications by authors named "Candid Villanueva"

Background & Aims: Previous studies suggest that anticoagulation may reduce the risk of portal hypertension (PHT)-related complications and improve survival in patients with cirrhosis. This study aimed to evaluate the efficacy and safety of the direct oral anticoagulant rivaroxaban in patients with cirrhosis.

Methods: This was a randomized, double-blind, placebo-controlled, multicenter trial involving patients with cirrhosis, PHT, and moderate liver dysfunction (Child-Pugh score 7-10).

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Two main stages are differentiated in patients with advanced chronic liver disease (ACLD), one compensated (cACLD) with an excellent prognosis, and the other decompensated (dACLD), defined by the appearance of complications (ascites, variceal bleeding and hepatic encephalopathy) and associated with high mortality. Preventing the progression to dACLD might dramatically improve prognosis and reduce the burden of care associated with ACLD. Portal hypertension is a major driver of the transition from cACLD to dACLD, and a portal pressure of ≥10 mmHg defines clinically significant portal hypertension (CSPH) as the threshold from which decompensating events may occur.

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Background & Aims: Systemic inflammation is a driver of decompensation in cirrhosis with unclear relevance in the compensated stage. We evaluated inflammation and bacterial translocation markers in compensated cirrhosis and their dynamics in relation to the first decompensation.

Methods: This study is nested within the PREDESCI trial, which investigated non-selective beta-blockers for preventing decompensation in compensated cirrhosis and clinically significant portal hypertension (CSPH: hepatic venous pressure gradient ≥10 mmHg).

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Background & Aims: Patients with vascular liver diseases (VLD) are at higher risk of both severe courses of COVID-19 disease and thromboembolic events. The impact of SARS-CoV-2 vaccination in patients with VLD has not been described and represents the aim of our study.

Methods: International, multicenter, prospective observational study in patients with VLD analyzing the incidence of COVID-19 infection after vaccination, severity of side effects, occurrence of thromboembolic events and hepatic decompensation.

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Background And Aims: Carvedilol is a nonselective β-blocker (NSBB) with anti-α1-adrenergic activity, more effective than traditional NSBBs in reducing portal pressure hepatic venous pressure gradient (HVPG). However, 35%-45% of patients still have insufficient HVPG decrease. Statins ameliorate endothelial dysfunction, reduce hepatic vascular resistance, and have pleiotropic effects.

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Background & Aims: Whether non-invasive tests (NITs) can accurately select patients with cirrhosis requiring non-selective beta-blockers (NSBBs) for clinically significant portal hypertension (CSPH) and prevention of decompensation is unclear. Our aim was to test the performance of NIT-based algorithms for CSPH diagnosis using the prospective PREDESCI cohort. We investigated whether a new algorithm combining NITs with endoscopy could improve performance.

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Article Synopsis
  • - The study aimed to understand the natural history and prognostic factors of porto-sinusoidal vascular disorder (PSVD) by analyzing a large cohort of 587 patients across 27 centers, finding that the majority were asymptomatic at diagnosis, but many experienced complications related to portal hypertension.
  • - Over a median follow-up of 68 months, 8.5% of patients underwent liver transplantation, while 19% died, highlighting significant risks like portal hypertension-related bleeding and ascites, as well as the impact of age and liver function on prognosis.
  • - The findings indicate that the severity of underlying conditions and liver/renal function significantly influence survival chances, leading to the development of a nomogram for more accurate prognosis prediction in
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Advanced chronic liver disease (ACLD) is associated with a wide spectrum of immune dysfunction. The clinical impact of SARS-CoV-2 on the development of decompensation and immune response in unvaccinated outpatients has not as yet been clearly defined. This study aimed to evaluate the clinical and immunological impact of SARS-CoV-2 on outpatients with ACLD.

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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: Decompensated-cirrhosis encompasses several stages with different prognosis, such as bleeding, ascites and bleeding-plus-ascites. Development of further-decompensation worsens survival, while non-selective β-blockers (NSBBs) can modify the risk. However, how this applies to each stage is uncertain.

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Background & Aims: Non-selective β-blockers (NSBBs) and endoscopic variceal-ligation (EVL) have similar efficacy preventing first variceal bleeding. Compensated and decompensated cirrhosis are markedly different stages, which may impact treatment outcomes. We aimed to assess the efficacy of NSBBs vs EVL on survival in patients with high-risk varices without previous bleeding, stratifying risk according to compensated/decompensated stage of cirrhosis.

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Background And Aims: The prognostic weight of further decompensation in cirrhosis is still unclear. We investigated the incidence of further decompensation and its effect on mortality in patients with cirrhosis.

Approach And Results: Multicenter cohort study.

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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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Background & Aims: Bleeding from gastric fundal varices (isolated gastric varices type 1/gastroesophageal varices type 2) represents a major problem because of a high incidence of rebleeding and death with standard-of-care therapy (endoscopic obliteration with tissue adhesives plus pharmacological therapy). Transjugular intrahepatic portosystemic shunts (TIPSs) are recommended as a rescue therapy. Pre-emptive 'early' TIPS (pTIPS) significantly improves control of bleeding and survival in patients at high-risk of dying or rebleeding from esophageal varices.

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Background & Aims: Alcohol-related hepatitis (AH) encompasses a high mortality. AH might be a concomitant event in patients with acute variceal bleeding (AVB). The current study aimed to assess the prevalence of AH in patients with AVB and to compare the clinical outcomes of AH patients to other alcohol-related liver disease (ALD) phenotypes and viral cirrhosis.

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Background And Aims: Beta-blockers have been studied for the prevention of variceal bleeding and, more recently, for the prevention of all-cause decompensation. Some uncertainties regarding the benefit of beta-blockers for the prevention of decompensation remain. Bayesian analyses enhance the interpretation of trials.

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Background And Aims: Patients with compensated cirrhosis with clinically significant portal hypertension (CSPH: HVPG > 10 mm Hg) have a high risk of decompensation. HVPG is, however, an invasive procedure not available in all centers. The present study aims to assess whether metabolomics can improve the capacity of clinical models in predicting clinical outcomes in these compensated patients.

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Article Synopsis
  • Porto-sinusoidal vascular liver disorder (PSVD) is a rare condition that can lead to liver transplantation (LT), even when liver function is usually preserved, but there is limited data on LT outcomes for PSVD patients.!* -
  • A study of 79 patients showed that common reasons for LT were refractory ascites and hepatic encephalopathy, with a post-LT survival rate of approximately 82% at one year and decreasing over five years; factors like severe associated conditions and high bilirubin or creatinine levels were linked to poorer survival outcomes.!* -
  • While LT for PSVD can yield good results, ongoing severe conditions at the time of transplantation and certain lab values are critical for assessing patient prognosis,
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Background: A pre-emptive transjugular intrahepatic portosystemic shunt (pTIPS) reduces mortality in high-risk patients with cirrhosis (Child-Pugh C/B+active bleeding) with acute variceal bleeding (AVB). Real-life studies point out that <15% of patients eligible for pTIPS ultimately undergo transjugular intrahepatic portosystemic shunt (TIPS) due to concerns about hepatic encephalopathy (HE). The outcome of patients undergoing pTIPS with HE is unknown.

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