Ângelo Alves de Mattos

ORCID: 0000-0003-2417-9765
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About
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Research Areas
  • Liver Disease Diagnosis and Treatment
  • Liver Disease and Transplantation
  • Hepatitis B Virus Studies
  • Hepatitis C virus research
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Organ Transplantation Techniques and Outcomes
  • Hepatitis Viruses Studies and Epidemiology
  • Diet, Metabolism, and Disease
  • HIV/AIDS drug development and treatment
  • Liver Diseases and Immunity
  • Folate and B Vitamins Research
  • Pancreatitis Pathology and Treatment
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Alcohol Consumption and Health Effects
  • Helicobacter pylori-related gastroenterology studies
  • Pancreatic and Hepatic Oncology Research
  • Nutrition and Health in Aging
  • Pediatric Hepatobiliary Diseases and Treatments
  • Drug-Induced Hepatotoxicity and Protection
  • Acute Kidney Injury Research
  • HIV/AIDS Research and Interventions
  • Immunodeficiency and Autoimmune Disorders
  • Renal Transplantation Outcomes and Treatments
  • Esophageal and GI Pathology
  • Gastroesophageal reflux and treatments

Universidade Federal de Ciências da Saúde de Porto Alegre
2016-2025

University of Health Sciences Antigua
2012-2025

University of Health Sciences
2012-2025

Irmandade da Santa Casa de Misericórdia de São Paulo
2013-2025

Hospital Nossa Senhora da Conceição
2006-2023

Creative Research Enterprises (United States)
2016-2022

University of Minnesota
2021

Erasmus MC
2021

Medizinische Hochschule Hannover
2021

Jackson and Tull (United States)
2021

Endoscopic dilation is considered the best treatment for most cases of benign esophageal stricture, although technique and kind stricture amenable to still controversial. We report on our experience a large series patients treated by without aid fluoroscopy compare results this therapy among with strictures from different causes.Between 1992 1997, we performed 1043 sessions 153 patients. Treatment was adequate if lumen could be dilated up size 42F catheter. If recurred after initial...

10.1111/j.1572-0241.1999.01061.x article EN The American Journal of Gastroenterology 1999-06-01

Orthotopic liver transplantation (OLT) selection for patients with hepatocellular carcinoma (HCC) is a matter of debate. The Milan criteria (MC) have been largely adopted by the international community. main aim this study was to evaluate survival rates and recurrence probabilities new proposal (up 3 tumors, each no larger than 5 cm, cumulative tumor burden ≤ 10 cm). Patients cirrhosis HCC included on waiting list (WL) from 1991 2006 were retrospectively analyzed. Outcomes in who had tumors...

10.1002/lt.21576 article EN Liver Transplantation 2008-09-29

The epidemiology and clinical characteristics of nonalcoholic fatty liver disease (NAFLD) in South America are not well known. Brazil is a largest country this part the world present study aimed to contribute with information.This descriptive included patients from medical centers around Brazil, who had diagnosis NAFLD. They were selected chart review also prospectively Hepatology out-clinics. Patients history alcohol intake others diseases excluded. Histological included: steatosis or...

10.1016/s1665-2681(19)31584-4 article EN cc-by-nc-nd Annals of Hepatology 2011-01-01

Abstract Background & Aims The burden of liver diseases in the Brazilian population is still unknown. To assess impact on hospital admissions and mortality within framework Unified Health System. Methods An analytical ecological observational study was carried out. Secondary data deaths because disease were collected from System Information Technology Department ( DATASUS ) database, between 2001 2010. All included International Classification Diseases ICD ‐10) reviewed. Results Liver...

10.1111/liv.12470 article EN Liver International 2014-01-15
Alberto Queiróz Farias A. Vilalta Patrícia Momoyo Zitelli Gustavo Pereira Luciana Lofêgo Gonçalves and 95 more Aldo Torre Juan Manuel Díaz Adrián Gadano Ângelo Zambam de Mattos Liliana Sampaio Costa Mendes Mário Reis Álvares‐da‐Silva Paulo Lisboa Bittencourt Carlos Benítez Cláudia Alves Couto Manuel Mendizábal Claudio L. Toledo Daniel Ferraz de Campos Mazo Mauricio Castillo Barradas Eva M. Uson Raposo Martín Padilla Adelina Zarela Lozano Miranda R. Malé-Velázquez André Castro Lyra Milagros Dávalos-Moscol José L. Pérez Hernández Rafael Oliveira Ximenes Giovanni Faria Silva Oscar A. Beltrán-Galvis María Sarai González Huezo Fernando Bessone Tarciso Daniel Santos Rocha E Fassio Carlos Terra Juan Ignacio Marín Patricia Sierra Casas Carlos de la Peña-Ramirez F. Parera Flávia Fernandes Maria da Penha Zago-Gomes Osvely Méndez-Guerrero Sebastián Marciano Ângelo Alves de Mattos Joao C. Oliveira Gabriel Tayguara Silveira Guerreiro Liana Codés Marco Arrese Mateus Jorge Nardelli Marcelo Silva Renato Palma-Fernández Camila Alcântara Cristina Sánchez Garrido Jonel Trebicka Thierry Gustot Javier Fernández J. J. Clariá Rajiv Jalan Paolo Angeli Vicente Arroyo Richard Moreau Flair José Carrilho Caroline Marcondes Ferreira Débora Raquel Benedita Terrabuio Roberto M. Fernandes da Costa Izabelle Venturini Signorelli Caroline A. Pinto A. Estanes-Hernández Jesús Ruiz Manriquez María Nelly Gutierrez‐Acevedo Agustina M. Martinez-Garmendia M. Ligia Aparecida Everton Macêdo Augusto Mantovani Larisse Longo Eduardo García Vilela María G. Valderrama Michelle V.S. Santos-Rondon Bertha Cárdenas Jorge Garavito Rentería Lilian Montserrat Torres-Made Laura C. Tenorio Castillo José M. Aquino Ramos María de Fátima Higuera de la Tijera Rodrigo Sebba Aires Diana C. Salinas-Gómez Francisca Allendes Fernando Comunello Schacher Guilherme John Neto Raúl Castro Valdivia Josefina Pagés Juan Pablo Roblero Hugo Fainboim Fernanda Fernandes Souza Luis Colombato Renata de Mello Peres L.O. Miranda Jade C. Oliveira Leyla Nazal Ortiz Daniela Simian Gabriel Mezzano Puentes Rita de Cássia Martins Alves da Silva

Background & AimsGenetic ancestry or racial differences in health outcomes exist diseases associated with systemic inflammation (eg, COVID-19). This study aimed to investigate the association of genetic and race acute-on-chronic liver failure (ACLF), which is characterized by acute inflammation, multi-organ failure, high risk short-term death.MethodsThis prospective cohort analyzed a comprehensive set data, including among several others, 1274 patients acutely decompensated cirrhosis who...

10.1053/j.gastro.2023.05.033 article EN cc-by-nc-nd Gastroenterology 2023-05-30

Hepatocellular carcinoma (HCC) is the fifth most common cancer in world and third cause of death, accounts for 5.6% all cancers. Nearly 82% approximately 550,000 liver deaths each year occur Asia. In some regions, cancer-related death from HCC second only to lung cancer. The incidence mortality are increasing America countries as a result an ageing cohort infected with chronic hepatitis C, expected continue rise consequence obesity epidemic. Clinical care survival patients has advanced...

10.1016/s1665-2681(19)30919-6 article EN cc-by-nc-nd Annals of Hepatology 2014-05-01

Liver transplantation (LT) is the treatment of choice for patients with unresectable early hepatocellular carcinoma (HCC). Post-LT HCC recurrence rates range from 8 to 20% and still impact on overall survival (OS). The aim our study was evaluate post-LT analyze prognostic factors among those recurrence.

10.1097/meg.0000000000001448 article EN European Journal of Gastroenterology & Hepatology 2019-06-07

No prospective study has been published investigating etiology of HCC in Latin America. The primary aim this was to analyze the liver disease patients with from our area. Secondary aims were evaluate staging using Okuda and BCLC classifications; percentage receiving treatment.The Governing Board American Association for Study Liver designed protocol. During a 18 month period, all members invited load their incident cases on line.240 9 countries uploaded, 174 male (72.5%), median age 64...

10.1016/s1665-2681(19)31681-3 article EN cc-by-nc-nd Annals of Hepatology 2010-01-01

Non-alcoholic fatty liver disease (NAFLD) is defined as a spectrum of diseases ranging from simple steatosis to steatohepatitis (NASH). Alterations in intestinal microbiota and inflammatory response may play key role progression development complications diseases, mainly cirrhosis NASH. The aim this study was perform systematic review on randomized clinical trials (RCTs) testing probiotics, prebiotics or both (synbiotics) the treatment NAFLD adult patients. After screening process, 9...

10.1016/s1665-2681(19)31246-3 article EN cc-by-nc-nd Annals of Hepatology 2014-09-01

Hepatocellular carcinoma (HCC) is one of the leading causes liver transplantation. In an attempt to predict their recurrence after transplantation, evaluation tumor number and size, degree histologic differentiation, presence vascular invasion already have importance established. this context, role biologic markers such as alpha-fetoprotein (AFP) still not clear. This retrospective cross-sectional study analyzed AFP relationship with HCC orthotopic The current retrospectively data from 206...

10.1097/md.0000000000002478 article EN cc-by-nc Medicine 2016-01-01
Cirley Maria de Oliveira Lobato Liana Codés Giovanni Faria Silva Aécio Flávio Meirelles de Souza Henrique Sérgio Moraes Coelho and 55 more Maria Lúcia Alves Pedroso Edison Roberto Parise Leila Maria Soares Tojal de Barros Lima Luiz Augusto Borba Andréia Silva Evangelista Rosamar Eulira Fontes Rezende Hugo Cheinquer Aline Satie Oba Kuniyoshi Rodrigo Sebba Aires Eloiza Helena Dias Quintela Liliana Sampaio Costa Mendes Fábio Carneiro Vosqui Nascimento José Eymard Moraes de Medeiros Filho Maria Lúcia Gomes Ferraz Edson Abdala Paulo Lisboa Bittencourt Adalgisa de Souza Paiva Ferreira Juan Miguel Villalobos Salcêdo Leonardo de Lucca Schiavon Edmundo Pessoa Lopes Mário G. Pessôa Luciana Lofêgo Gonçalves Francisco José Dutra Souto Elodie Bomfim Hyppólito Gustavo Pereira Ângelo Alves de Mattos Rita de Cássia Martins Alves da Silva Ana de Lourdes Candolo Martinelli Cláudia Alexandra Pontes Ivantes Carlos Eduardo Brandão‐Mello Geisa Perez Medina Gomide Hoel Sette Paulo de Tarso Aparecida Pinto Fernando Gomes Romeiro José Milton de Castro Lima Isaac Altikes André Castro Lyra Raquel Francine Liermann Garcia Cristiane Alves Villela‐Nogueira Renata Cruvinel Cabral Cuminale Andrea Magalhães Agra de Omena Janaína Luz Narciso-Schiavon Andréa Dória Batista Rafaela de Liz Pellegrim Sanchez Lermen Gabriela Perdomo Coral Raymundo Paraná Cristiane Valle Tovo Débora Raquel Benedita Terrabuio Norma Arteiro Filgueira Francisco Sérgio Rangel de Paula Pessoa Fernando Antônio Barreiros de Araújo Edna Strauss Cristina Melo Rocha Paulo Roberto Abrão Ferreira Nilma Lucia Sampaio Ruffeil

Direct antiviral agents (DAAs) including sofosbuvir (SOF), daclatasvir (DCV), simeprevir (SIM) and ombitasvir, paritaprevir dasabuvir were introduced 2015 in Brazil for treatment of hepatitis C virus (HCV) infection. The aims this study to assess effectiveness safety HCV with DAA real-life world a highly admixed population from Brazil. All Brazilian reference centers invited take part web-based registry, prospectively conducted by the Society Hepatology, outcomes DAAs. Data be collected...

10.1016/j.aohep.2019.08.001 article EN cc-by-nc-nd Annals of Hepatology 2019-08-30

Background and Aims. The presence of dermatologic reaction as an adverse event to sorafenib treatment in patients with unre-sectable hepatocellular carcinoma has been indicated a prognostic factor for survival recent prospective analysis. To date, this is the only clinical predictor response, which can be evaluated earlier and, therefore, contribute better more individualized patient management. Material methods. This retrospective study included 127 treated under real-life practice...

10.5604/16652681.1231587 article EN cc-by-nc-nd Annals of Hepatology 2017-02-23

Hepatocellular carcinoma (HCC) is one of the leading causes cancer-related mortality worldwide. The Brazilian Society Hepatology (SBH) published in 2015 its first recommendations about management HCC. Since then, new data have emerged literature, prompting governing board SBH to sponsor a single-topic meeting August 2018 São Paulo. All invited experts were asked make systematic review literature reviewing HCC subjects with cirrhosis. After meeting, all panelists gathered together for...

10.1590/s0004-2803.202000000-20 article EN cc-by-nc Arquivos de Gastroenterologia 2020-01-01
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