Gabriel Mezzano

ORCID: 0000-0003-0166-4362
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About
Contact & Profiles
Research Areas
  • Liver Disease Diagnosis and Treatment
  • Liver Disease and Transplantation
  • Hepatitis C virus research
  • Hepatitis B Virus Studies
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Drug-Induced Hepatotoxicity and Protection
  • Electrolyte and hormonal disorders
  • Potassium and Related Disorders
  • Liver Diseases and Immunity
  • Viral-associated cancers and disorders
  • Lymphoma Diagnosis and Treatment
  • Alcohol Consumption and Health Effects
  • Health Systems, Economic Evaluations, Quality of Life
  • Clinical Nutrition and Gastroenterology
  • Frailty in Older Adults
  • Nutrition and Health in Aging
  • Hepatitis Viruses Studies and Epidemiology
  • Diabetes and associated disorders
  • Cancer, Lipids, and Metabolism
  • Public Health and Environmental Issues
  • Pneumocystis jirovecii pneumonia detection and treatment
  • Renal Transplantation Outcomes and Treatments
  • Helminth infection and control
  • Gallbladder and Bile Duct Disorders
  • Pulmonary Hypertension Research and Treatments

Universidad de Los Andes, Chile
2019-2024

Hospital del Salvador
2019-2023

University of Chile
2015-2023

Hospital Clínic de Barcelona
2021-2022

Consorci Institut D'Investigacions Biomediques August Pi I Sunyer
2021-2022

Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas
2020-2022

Universitat de Barcelona
2020-2022

Hospital El Salvador
2022

Hospital Clínico de la Universidad de Chile
2015-2017

Instituto de Radiomedicina
2012

It remains unclear whether rectal colonization with multidrug-resistant organisms (MDROs) is prevalent and predisposes to infections by the same pathogens in patients cirrhosis.Two series of critically ill were evaluated. In Barcelona cohort, 486 consecutive prospectively evaluated, 129 357 without cirrhosis (2015-2016). Rectal swabs performed at admission weekly thereafter (until intensive care unit [ICU] discharge) detect MDRO colonization. Risk factors for infection MDROs A retrospective...

10.1016/j.jhep.2021.12.042 article EN cc-by-nc-nd Journal of Hepatology 2022-01-22

Frailty is characterized by a poor restoration of homeostasis after stressor event. Although it not usually diagnosed, has been associated with decreased survival in cirrhotic patients. We aimed to evaluate the impact frailty and gait speed over patients at long-term follow-up.We included stable Child-Pugh B-C or MELD ≥12, ≥50 years old. performed clinical evaluation, anthropometry, laboratory tests. was diagnosed using Fried Index. evaluated 4-year 126 patients; mean age 64±8.3 years,...

10.1016/j.aohep.2021.100327 article EN cc-by-nc-nd Annals of Hepatology 2021-02-16

Hepatitis E virus seroprevalence: a reappraisal Reported seroprevalence of hepatitis (HEV) in developed countries is between 0.3-53%.Published data relies on the assays used and its technical performance.Sensitivity new available tests has improved, which changed HEV around world.We re-evaluated retrospectively, 178 serum samples patients with previous anti IgG determination 2009 2012.Initial analysis was performed ELISA kit Genelabs (Singapore), 7.3% positivity.The reevaluation done...

10.4067/s0716-10182015000500020 article EN Revista chilena de infectología 2015-08-01

Liver involvement occurs in 0.2 to 3% of patients with syphilis. We report three liver A 52-year-old male presenting erythema and malaise. Laboratory showed a gamma glutamyl transpeptidase (GGT) 853 u/l, alkaline phosphatases 1,010 U/L VDRL was positive. Treatment penicillin resolved the skin problem normalized enzymes. HIV positive 30-year-old peritoneal dialysis itching, malaise markedly elevated GGT phosphatases. He treated remission symptoms enzyme normalization. 43-year-old erythema,...

10.4067/s0034-98872019000200251 article EN Revista médica de Chile 2019-02-01

To achieve WHO's goal of eliminating hepatitis C virus (HCV), innovative strategies must be designed to diagnose and treat more patients. Therefore, we aimed describe an implementation strategy identify patients with HCV who were lost follow-up (LTFU) offer them re-linkage care. We conducted study utilizing a contact not under regular in 13 countries from Latin America. Patients identified by the international classification diseases (ICD-9/10) or equivalent. Medical records then reviewed...

10.1111/jvh.13758 article EN Journal of Viral Hepatitis 2022-10-05

Background: The polymorphism rs58542926 C > T (E167K) in the gene of transmembrane 6 superfamily member 2 (TM6SF2) has been identified as a determinant hepatic steatosis and fibrosis patients with non-alcoholic fatty liver disease. Only limited data have published on this subject chronic hepatitis (CHC). Objectives: This study aimed to evaluate effect TM6SF2 risk Chilean CHC infection. Methods: A total 153 biopsied were genotyped for using PCR-RFLP methodology. was assessed by comparing...

10.5812/hepatmon.44365 article EN cc-by-nc Hepatitis Monthly 2017-04-12

Diphyllobothrium spp., also known as fish tapeworms, is the largest human tapeworm, reaching up to 25 meters of length. Human are considered definitive host in lifecycle. Adult tapeworms attach intestinal mucosa with bilateral grooves. There at least 14 different species spp. Capable causing Dyphyllobothriosis, being D. latum and nihonkaiense most frequent etiologic agents humans. We present clinical picture endoscopic images on a patient incidental finding Dyphyllobothriosis colonoscopy.

10.17235/reed.2024.10300/2024 article EN publisher-specific-oa Revista Española de Enfermedades Digestivas 2024-01-01

Although the WHO strategy aims to eliminate hepatitis C virus (HCV) as a public health threat by 2030, national strategies are variable worldwide. This study aimed assess establishment of different policies and HCV in Americas. We conducted 23-item survey about HCV-related among gastroenterologists hepatologists The was carried out electronically (2022–2023). Data were compared with governmental institutions, regulatory agencies, scientific societies, publications. estimated an index...

10.1016/j.aohep.2023.101273 article EN cc-by-nc-nd Annals of Hepatology 2024-02-01

Steatotic Liver Disease is the most frequent chronic hepatic disease worldwide. Its prevalence 30-38% and associated with progression to steatohepatitis, fibrosis, cirrhosis, Hepatocellular Carcinoma. A new terminology for this condition was recently published, classifying it into five groups.

10.4067/s0034-98872024000200187 article EN Revista médica de Chile 2024-02-01

Background: In Chile, organ allocation for liver transplantation (LT) in adults is prioritized according to the MELD-Na score. Exceptions such as Hepatocellular Carcinoma (HCC) and other non-HCC exceptions receive a score called Operational MELD

10.4067/s0034-98872020001101541 article EN Revista médica de Chile 2020-11-01
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