Ricardo Dib
University of São Paulo
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Featured researches published by Ricardo Dib.
Diseases of The Esophagus | 2013
R. C. V. da Silva; C. C. de Sá; Ángel Oliva Pascual-Vaca; L. H. de Souza Fontes; F. A. M. Herbella Fernandes; Ricardo Dib; Cleofás Rodríguez Blanco; Raquel Queiroz; Tomas Navarro-Rodriguez
The treatment of gastroesophageal reflux disease may be clinical or surgical. The clinical consists basically of the use of drugs; however, there are new techniques to complement this treatment, osteopathic intervention in the diaphragmatic muscle is one these. The objective of the study is to compare pressure values in the examination of esophageal manometry of the lower esophageal sphincter (LES) before and immediately after osteopathic intervention in the diaphragm muscle. Thirty-eight patients with gastroesophageal reflux disease - 16 submitted to sham technique and 22 submitted osteopathic technique - were randomly selected. The average respiratory pressure (ARP) and the maximum expiratory pressure (MEP) of the LES were measured by manometry before and after osteopathic technique at the point of highest pressure. Statistical analysis was performed using the Students t-test and Mann-Whitney, and magnitude of the technique proposed was measured using the Cohens index. Statistically significant difference in the osteopathic technique was found in three out of four in relation to the group of patients who performed the sham technique for the following measures of LES pressure: ARP with P= 0.027. The MEP had no statistical difference (P= 0.146). The values of Cohen d for the same measures were: ARP with d= 0.80 and MEP d= 0.52. Osteopathic manipulative technique produces a positive increment in the LES region soon after its performance.
Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery | 2014
Frederico Salvador Assirati; Claudio L. Hashimoto; Ricardo Dib; Luiz Henrique de Souza Fontes; Tomas Navarro-Rodriguez
Introduction The gastroesophageal reflux disease is a common condition in the western world but less than half of patients present endoscopic abnormalities, making a standard procedure unsuitable for diagnosis. High definition endoscopy coupled with narrow band imaging has shown potential for differentiation of lesions and possible biopsy, allowing early diagnosis and treatment. Methods This review describes the principles of biotic and their influence in obtaining images with better definition of the vessels in the mucosa, through the narrow band imaging. Selected papers using it in patients with reflux disease and Barretts esophagus are analyzed in several ways, highlighting the findings and limitations. Conclusion The meaning of the narrow band imaging in the endoscopic diagnosis of reflux disease will be defined by large scale studies, with different categories of patients, including assessment of symptoms and response to treatment.
Surgery for Obesity and Related Diseases | 2017
Manoel Galvao Neto; Lyz Bezerra Silva; Eduardo Grecco; Luiz Gustavo de Quadros; Andre F. Teixeira; Thiago Souza; Jimi Scarparo; Artur Parada; Ricardo Dib; Rena Moon; Josemberg Marins Campos
BACKGROUND Intragastric balloons (IGBs) are a minimally invasive option for obesity treatment, acting as a space-occupying device and leading to weight loss through increased satiety. This device has been growing in popularity owing to its safety profile and good weight loss results. However, there are no published guidelines that standardize the technical aspects of the procedure. OBJECTIVES To create a practical guideline for intragastric balloon usage. SETTING Private and Academic Settings, Brazil. METHODS A consensus meeting was held in São Paulo, Brazil, in June 2016, bringing together 39 Brazilian endoscopists with extensive experience in IGBs from all regions of the country. Topics on patient selection, indications, contraindications, multidisciplinary follow-up, technique, and adverse events were discussed in the form of questions. After electronic voting, a consensus was defined when there was ≥70% agreement. Experts were also requested to provide data on their experience with IGBs. RESULTS The selected experts discussed and reached a consensus on 76 questions, mainly concerning specific indications and contraindications for the procedure; technical details, such as patient preparation, minimum balloon-filling volume, techniques for implant and explant; patient follow-up and recommended medication for the adaptation period; and adverse event management. The overall Brazilian expert data encompassed 41,863 IGBs, with a mean percentage total weight loss of 18.4% ± 2.9%. The adverse event rate after the adaptation period was 2.5%, the most common being hyperinflation (.9%) and spontaneous deflation (.8%) of the device. The early removal rate due to intolerance was 2.2%. CONCLUSIONS The present consensus represents practical recommendations for performing IGB procedures and reflects Brazils significant experience with this device. The experience of over 40,000 cases shows that the device leads to satisfactory weight loss with a low rate of adverse events.
Scandinavian Journal of Gastroenterology | 2014
Ricardo Dib; Decio Chinzon; Luiz Henrique de Souza Fontes; Ana Cristina de Sá Teixeira; Tomas Navarro-Rodriguez
Abstract Objectives. To evaluate the prevalence of lesions and digestive complications secondary to the use of non-steroidal anti-inflammatory drugs (NSAIDs), the clinical profile seen for digestive complaints and the relation with the endoscopic findings. Methods. Prospective, multicentric, open study, evaluating consecutively 1231 patients, divided as follows: group I – NSAID and group II – non-NSAID. All patients answered questionnaire to evaluate the onset, the type of clinical complaint, the use of medication and possible complications associated to digestive bleeding. Results. A total of 1213 patients were evaluated. Among them, 65% were female and 13.1% were smokers; 15.6% mentioned they ingested alcoholic beverages. The main signs and symptoms reported were epigastralgy and pyrosis (67% and 62%, respectively). The upper gastrointestinal (UGI) endoscopy was normal in 3.9% in group I and in 10.7% in group II (p < 0.001). Patient who do not use NSAID will be 2.5 times more likely to have normal UGI endoscopy (p = 0.001). The presence of erosive or ulcer lesions in the stomach and duodenum was more frequent in group I. The incidence of lesions in the stomach when compared to the duodenum is observed (erosions: 49.12% vs. 13.60%, p = 0.001; ulcers: 14.04% vs. 11.84%, p = 0.05). The risk of digestive bleeding is 12 times higher (6.14% vs. 0.51%) in those who used NSAIDs, and the stomach is the site in which bleeding occurs more frequently. Conclusions. The frequency of gastric ulcer, duodenal ulcer and digestive bleeding was higher in patients who used NSAIDs. There was no connection found between endoscopic findings and dyspeptic symptoms.
Endoscopy | 2016
Galvao Neto; Josemberg Marins Campos; Álvaro Antônio Bandeira Ferraz; Ricardo Dib; Flavio C. Ferreira; Rena Moon; Andre F. Teixeira
Arquivos Brasileiros de Cirurgia Digestiva Express | 2017
James Alvarez; Matheus Degiovani; Artur Parada; Ricardo Dib; Lara Koyanagi; Raquelli Barbosa; Alexandre Biasi
Arquivos Brasileiros de Cirurgia Digestiva Express | 2017
Isadora Madalosso; Flávia Azevedo; Marcus Gomes; Thiago Souza; Ricardo Dib; Eduardo Grecco
Arquivos Brasileiros de Cirurgia Digestiva Express | 2017
Fernanda Amorim; Artur Parada; Ricardo Dib; Manoel Galvao Neto; Jimi Scarparo; Artagnan Menezes Barbosa de Amorim; Aline Silveira; Katherina Mizumura; Jonatas Arjona
Arquivos Brasileiros de Cirurgia Digestiva Express | 2017
Lara Koyanagi; José Celso Ardengh; Artur Parada; Ricardo Dib; Eloy Taglieri; Raquelli Barbosa; James Alvarez; Alexandre Biasi; Otávio Neto
Arquivos Brasileiros de Cirurgia Digestiva Express | 2017
Isadora Madalosso; Jany Nogueira; Flávia Azevedo; Rafael Fassine; Mariana S. V. Frazão; Thiago Souza; Ricardo Dib; Eduardo Grecco