Décio Chinzon

ORCID: 0000-0003-3030-6687
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About
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Research Areas
  • Gastroesophageal reflux and treatments
  • Helicobacter pylori-related gastroenterology studies
  • Eosinophilic Esophagitis
  • Esophageal and GI Pathology
  • Gastrointestinal motility and disorders
  • Gastrointestinal disorders and treatments
  • Potassium and Related Disorders
  • Veterinary medicine and infectious diseases
  • Inflammatory mediators and NSAID effects
  • Drug-Induced Adverse Reactions
  • Healthcare Regulation
  • Gastric Cancer Management and Outcomes
  • Child Nutrition and Feeding Issues
  • Vascular anomalies and interventions
  • Esophageal Cancer Research and Treatment
  • Nutrition and Health in Aging
  • Respiratory and Cough-Related Research
  • Cystic Fibrosis Research Advances
  • Intramuscular injections and effects
  • Nausea and vomiting management
  • Drug Transport and Resistance Mechanisms
  • Biliary and Gastrointestinal Fistulas
  • Infant Health and Development
  • Analytical Methods in Pharmaceuticals
  • Physical Education and Gymnastics

Universidade de São Paulo
2009-2025

Universidade Brasil
2020-2025

Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
1991-2022

Hospital Santa Paula
2007

Hospital São Paulo
2007

Real Hospital Português
1991

Universidade Federal de Goiás
1991

Governador Celso Ramos Hospital
1991

Hospital Infantil Joana de Gusmão
1991

Fundação Faculdade de Medicina
1991

ABSTRACT Significant progress has been obtained since the III Brazilian Consensus Conference on H. pylori infection held in 2012, Bento Gonçalves, Brazil, and justify a fourth meeting to establish updated guidelines current management of infection. Therefore, Núcleo Brasileiro para Estudo do Helicobacter e Microbiota (NBEHPM), association linked Federation Gastroenterology (FBG) its again RS, August 25-27, 2017. Twenty-six delegates, including gastroenterologists, endoscopists, pathologists...

10.1590/s0004-2803.201800000-20 article EN cc-by-nc Arquivos de Gastroenterologia 2018-04-14

OBJECTIVE Patients with primary head and neck cancer show a predisposition to develop esophageal cancer. The aim of this study was investigate in these patients: the prevalence comparing value chromoendoscopy using Lugol's solution examination standard endoscopy, early diagnosis METHODS Prospective observational at state general university hospital Sao Paulo, Brazil. 326 consecutive adult patients were evaluated. A endoscopy performed, followed by 2% lugol's dye spray histopathologic study....

10.1111/j.1572-0241.2005.30189.x article EN The American Journal of Gastroenterology 2005-01-24

BACKGROUND: The epidemiological aspects of heartburn and gastroesophageal reflux disease have been object growing interest in the last decade because its increasing prevalence complications disease. AIMS: To evaluate as well their main characteristics Brazilian urban population. METHODS: A national inquire enrolling 13,959 adults was conducted 22 cities. inclusion criteria were presence at least once a week ("heartburn group") age greater than 16 years old. Individuals with frequency more...

10.1590/s0004-28032005000200011 article EN cc-by-nc Arquivos de Gastroenterologia 2005-06-01

Gastroesophageal reflux disease (GERD) is one of the most common disorders in medical practice. A number guidelines and recommendations for diagnosis management GERD have been published different countries, but a Brazilian accepted directive by standards evidence-based medicine still lacking. As such, aim Consensus Group was to develop GERD, strictly using methodology that could be clinically used primary care physicians specialists would encompass needs physicians, investigators, insurance...

10.1590/s0004-28032010000100017 article EN cc-by-nc Arquivos de Gastroenterologia 2010-03-01

Abstract Background: The prevalence of Helicobacter pylori is higher in developing countries . Sanitary facilities, crowding and ethnic group are some the factors related to H. infection. aim this study was investigate blood donors, free dyspeptic symptoms, influencing Materials Methods: This conducted São Paulo, a city known have mixed population coming from all over country. A total 1008 donors were initially included study. After final revision questionnaires, 993 analysis (746 males)....

10.1111/j.1523-5378.2007.00474.x article EN Helicobacter 2007-01-15

The treatment for the eradication of Helicobacter pylori (H. pylori) is complex; full effectiveness rarely achieved and it has many adverse effects. In developing countries, increased resistance to antibiotics its cost make more difficult. Probiotics can reduce effects improve infection efficacy. If first-line therapy fails a second-line using tetracycline, furazolidone proton-pump inhibitors been effective low in Brazil; however implies lot aim this study was minimize increase rate applying...

10.1186/1471-230x-13-56 article EN cc-by BMC Gastroenterology 2013-03-26

Several aspects of gastroesophageal reflux disease (GERD) have been studied, but the frequency comorbidities is not yet fully understood. To study prevalence GERD in a tertiary care hospital. We prospectively studied 670 consecutive adult patients from outpatient department our facility. A diagnosis was established using clinical, endoscopic and/or pHmetry-related findings. Each patient's medical file reviewed with respect to presence other conditions and diagnoses. Of patients, 459 (68.6%)...

10.1590/s1807-59322009000800013 article EN cc-by-nc Clinics 2009-08-01

Background : Gastroesophageal reflux disease is a worldwide prevalent condition that exhibits large variety of signs and symptoms esophageal or extra-esophageal nature can be related to the esophagic adenocarcinoma. In last few years, greater importance has been given influence physical exercises on it. Some recent investigations, though showing conflicting results, point an exacerbation gastroesophageal during exercises. Aim To evaluate activities in patients presenting with erosive non by...

10.1590/s0102-67202014000100002 article EN ABCD Arquivos Brasileiros de Cirurgia Digestiva (São Paulo) 2014-03-01

ABSTRACT Background: Gastroesophageal Reflux Disease (GERD) is a prevalent condition in Brazil, affecting 12% to 20% of the urban population, with significant implications for patient quality life and potential complications. Objective: This paper focuses on recent update Brazilian guidelines GERD, necessary revision due advancements knowledge practice since last publication over decade ago. The pays particular attention role safety proton pump inhibitors (PPIs), acknowledging growing...

10.1590/s0004-2803.24612023-154 article EN cc-by-nc Arquivos de Gastroenterologia 2024-01-01

Triple therapy is accepted as the treatment of choice for H. pylori eradication. In industrialized countries, a proton pump inhibitor plus clarithromycin and amoxicillin or nitroimidazole have shown best results. Our aims were: 1. To study eradication rate association tinidazole on infection in our population. 2. determine if previous treatments, gender, age, tobacco, alcohol use, non-steroidal anti-inflammatory drugs (NSAIDs) change response to therapy.Two hundred patients with peptic ulcer...

10.1590/s0041-87812001000100003 article EN Revista do Hospital das Clínicas 2001-01-01

Aim . To compare 10-day standard triple therapy versus sequential as first-line treatment in patients infected with H. pylori Methods One hundred positive (diagnosed by rapid urease test and histology), average age of 47.2, M/F = 28/72, were randomized to receive either (TT) follows: lansoprazole 30 mg, clarithromycin 500 amoxicillin 1 g, b.i.d. for ten days, or (ST) placebo 1.0 g b.i.d the first five followed tinidazole mg b.i.d, remaining days. Eradication rates determined 60 days after...

10.1155/2015/818043 article EN cc-by Gastroenterology Research and Practice 2015-01-01

Objective:Epidemiologic data on constipation in South America are limited. The main objective of this study was to assess the prevalence self-reported symptoms Brazil.Methods:Telephone and personal surveys were conducted among community-dwelling adults homes with land-based telephones São Paulo. Data weighted by numbers adults, total residents, each household. To account for potential nonresponse noncoverage bias, results further adjusted according Brazilian census data.Results:Among 4570...

10.1185/03007995.2014.973485 article EN Current Medical Research and Opinion 2014-10-08

Objectives. To evaluate the prevalence of lesions and digestive complications secondary to use non-steroidal anti-inflammatory drugs (NSAIDs), clinical profile seen for complaints relation with endoscopic findings. Methods. Prospective, multicentric, open study, evaluating consecutively 1231 patients, divided as follows: group I – NSAID II non-NSAID. All patients answered questionnaire onset, type complaint, medication possible associated bleeding. Results. A total 1213 were evaluated. Among...

10.3109/00365521.2014.919016 article EN Scandinavian Journal of Gastroenterology 2014-06-18

ABSTRACT BACKGROUND: Heartburn and acid regurgitation are typical symptoms usually associated with gastroesophageal reflux disease (GERD). GERD is one of the gastrointestinal diagnosis higher prevalence worldwide, significantly impairing patients’ quality life. OBJECTIVE: The objective this study was to analyze impact GERD-related in Brazilian urban population. METHODS: National telephone survey community-dwelling individuals. Self-reported frequency (heartburn / regurgitation) were...

10.1590/s0004-2803.202100000-03 article EN cc-by-nc Arquivos de Gastroenterologia 2021-03-01

The high-resolution manometry has been a significant advance in esophageal diagnostics. There are different types of catheter and systems devices to capture pressures that generate variable data related Chicago Classification (CC) consequently influence normal values results. not normative for the 24-channel water-perfused system most used Brazil with healthy volunteers supine posture.To determine manometric posture using according CC 3.0 parameters.A total 92 no gastrointestinal symptoms or...

10.1590/s0004-2803.202000000-40 article EN cc-by-nc Arquivos de Gastroenterologia 2020-05-11
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