Publications by authors named "Guido Piai"

Background: Portal vein tumor thrombosis (PVTT) is a common complication of hepatocellular carcinoma and is one of the most negative prognostic factors. The management of patients with PVTT is challenging. The aim of the study was to develop a score predictive of tumor thrombosis.

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Background: Liver transplant recipients require specific clinical and psychosocial attention given their frailty. Main aim of the study was to assess the quality of life after liver transplant during the current pandemic.

Methods: This multicentre study was conducted in clinically stable, liver transplanted patients.

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Introduction And Objectives: De novo malignancies represent an important cause of death for liver transplant recipients. Our aim was to analyze predictors of extra-hepatic non-skin cancer (ESNSC) and the impact of ESNSC on the long-term outcome.

Patients: We examined data from patients transplanted between 2000 and 2005 and followed-up in five Italian transplant clinics with a retrospective observational cohort study.

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The long-term changes of liver stiffness (LS) in patients who achieve viral clearance after direct-acting anti-HCV therapy remain undefined. We conducted a multicentre prospective study to investigate this aspect. Patients with HCV infection treated with DAAs were enrolled from six Italian centres; they underwent clinical, biochemical, ultrasound and transient elastography evaluations before treatment (T0), 12 weeks (SVR12) and 24 months (T24) after the end of therapy.

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Background Early after surgery, liver transplant (LT) recipients often develop weight gain. Metabolic disorders and cardiovascular disease represent main drivers of morbidity and mortality. Our aim was to identify predictors of atherosclerotic vascular events (AVE) and to assess the impact of AVE on the long-term outcome.

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Taking charge of a liver transplanted (LT) patient implies not only to follow up the transplanted organ (eg, immunosuppression and cancer risk) but also to deal with the prevailing patient's active problems. The recurrence of hepatitis C on the graft has historically been one of the main active problems to be addressed, leading to 30% to 40% mortality per se in these patients and has involved many resources in the hepatological centers responsible for the follow-up. We verified how much the availability of the new drugs with direct-acting antiviral agents (DAAs) against hepatitis C virus (HCV) has impacted the mortality within the assisted population, changing its characteristics and addressing new clinical issues in the LT-patients.

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Background: An unexpected increased HCC recurrence and occurrence rate among HCV patients treated with direct acting antivirals combination has been reported. Aim of the study was the evaluation of early HCC occurrence rate and its risk factors in a HCV infected population, treated with direct-acting-antivirals.

Methods: According to the Italian ministerial guidelines for direct-acting-antivirals treatment, 1022 consecutive HCV patients treated with direct-acting-antivirals were enrolled.

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Purpose: The aim of this study was to evaluate the relationship between the liver stiffness measurement and the risk of developing hepatocellular carcinoma (HCC) in HCV cirrhotic patients undergoing new direct-acting antivirals.

Methods: From April 2015 to April 2017, all consecutive HCV cirrhotic patients treated by direct-acting antivirals were enrolled. A liver stiffness measurement was computed at baseline, and an ultrasound evaluation was provided for all patients at baseline and every 6 months until 1 year after the stopping of the antiviral therapy.

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Article Synopsis
  • - The study analyzed the effectiveness and safety of all-oral antiviral therapy using daclatasvir (DCV) in 275 patients, primarily with hepatitis C, participating in an Italian compassionate-use program, showing a sustained virological response (SVR) rate of 87.3%.
  • - Patients were treated with various combinations of DCV, sofosbuvir (SOF), and other medications, with significantly higher SVR rates observed in those treated with the DCV + SOF combination compared to other combinations.
  • - Improvements in liver function were noted, and the therapy was well tolerated, particularly benefiting patients with difficult-to-treat hepatitis C genotypes, while combinations of DCV with other protease inhibitors showed lower
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Purpose: The aim of this study was to evaluate the effects of antiviral therapy on liver stiffness measurement (LSM).

Methods: Two hundred HBV patients were enrolled from four hospital centers in southern Italy; median age was 50.7 (25-75) males were 68%; 171 patients underwent to liver biopsy and 200 patients had LSM at baseline and 189 at the end of follow-up.

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Background: Prophylaxis of hepatitis B after liver transplantation with antiviral(s) and immunoglobulins efficiently protect the majority of recipients; however recent experiences suggest a decline of HBsAg-positive candidates and the use of hepatitis B Immunoglobulin-free schedules.

Methods: This national survey evaluated the epidemiology and clinical results of hepatitis B prophylaxis among 10,365 liver transplants performed in 25 years in 13 Italian centers.

Results: With a percentage of 22, 2260 procedures were performed in HBsAg-positive recipients and 714 out of 1080 anti-HBc-positive grafts were used in HBsAg-negative recipients; a total of 2974 patients (29%) were considered at risk of hepatitis B after liver transplantation.

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Background And Aim: The Barcelona Clinic Liver Cancer (BCLC) algorithm is the standard system for clinical management of hepatocellular carcinoma (HCC). Data on adherence to this therapeutic paradigm are scarce. This field practice study aimed to provide a description of HCC cirrhotic patients in Southern Italy, to evaluate the adherence to BCLC guidelines and its impact on patients' survival.

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Direct antivirals are available for treating recurrent hepatitis C (RHC). This study reported outcomes of 424 patients with METAVIR F3-F4 RHC who were treated for 24 weeks with sofosbuvir/ribavirin and followed for 12 weeks within the Italian sofosbuvir compassionate use program. In 55 patients, daclatasvir or simeprevir were added.

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Background: Liver transplanted patients need close surveillance for early signs of graft disease.

Objectives: Transient elastography can safely be repeated over time, offering serial liver stiffness measurement values. Serial stiffness measurements were compared to single baseline stiffness measurements in predicting the appearance of liver-related clinical events and guiding subsequent clinical decisions.

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Aim: To check the safety and efficacy of boceprevir/telaprevir with peginterferon/ribavirin for hepatitis C virus (HCV) genotype 1 in the real-world settings.

Methods: This study was a non-randomized, observational, prospective, multicenter. This study involved 47 centers in Italy.

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Article Synopsis
  • A study looked at different treatments for liver cancer (HCC) to see which worked best for patients.
  • It compared four treatments: surgery, radiofrequency ablation (RFA), ethanol injection (PEI), and a method called TACE (with or without chemotherapy).
  • The results showed that none of these treatments were clearly better than the others, so more research is needed to find out which is the most effective.
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Purpose: Advanced hepatocellular carcinoma (HCC) not eligible for local therapies has limited chances of cure. Sorafenib is a multikinase inhibitor with proven activity in advanced HCC. Octreotide is used in this setting with conflicting results.

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Occult hepatitis B virus (HBV) infection in patients with chronic hepatitis C has been found associated with severe liver damage, low response to interferon treatment and increased risk of developing HCC. However, doubts remain on its clinical impact and the sensitivity and specificity of its detection. HBV-DNA was sought by PCR in plasma, peripheral blood mononuclear cells (PBMCs) and liver compartments of 89 patients with biopsy proven chronic hepatitis C, using sets of primers for core ("c"), surface ("s"), and x ("x") regions of HBV genome.

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Background: We aim to evaluate in chronic hepatitis B virus-hepatitis C virus (HBV-HCV) coinfection the interplay of these viruses in liver tissue, peripheral blood mononuclear cells (PBMC), and plasma and to analyze the effect on disease course and response to treatment.

Methods: We enrolled 19 patients with chronic HBV-HCV coinfection, 20 with chronic HCV and 20 with chronic HBV infection at their first liver biopsy, all were naive for antiviral therapy. The patients' plasma, PBMC and liver biopsy samples were tested for HBV DNA and/or HCV RNA by real-time PCR, according to the presence/absence of hepatitis B surface antigen and antibodies against HCV in the serum.

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Registration trials regarding pegylated interferon treatment of hepatitis C have created great expectations for improved results, but there is little information on actual outcomes in everyday hospital practice. We aimed to define the effectiveness of this treatment in a hospital setting. Seventy-four naïve patients with hepatitis C treated with 12 kD-pegylated-interferon-alpha-2-b/ribavirin (PEG-IFN) were retrospectively analyzed in comparison with 54 patients treated with IFN-alpha-2-b/ribavirin (STANDARD IFN) and with results of three main registration trials.

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BACKGROUND: Retreatment for 6 months with the association ribavirin-interferon of HCV-related chronic active hepatitis relapser patients has high probability of failure, mostly in those with genotype 1b. We evaluated the efficacy of extending the therapy from 6 to 12 months without or with the addition of amantadine. METHODS: Forty-nine genotype 1b relapser patients were treated with 3 MU of IFN-alpha2b three times per week and ribavirin 1000-1200 mg daily (double therapy).

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