Results: 38

Therapeutic effect of low molecular weight chitosan containing sepia ink on ethanol-induced gastric ulcer in rats

Zhang, Wei; Liu, Kang; Li, Lei; Li, Yingxin; Sui, Xianxian; Rao, Yinzhu; Wu, Jiahao; Wu, Qiuping.

Acta cir. bras; 31 (12), 2016

ABSTRACT PURPOSE: To evaluate the role of low molecular chitosan containing sepia ink (LMCS) in ethanol-induced (5 ml/kg) gastric ulcer in rats. METHODS: Animals were divided into four groups (n = 12): normal group (Normal), negative control group (Con), experiment group (LMCS) and positive control Om...

Antiulcerosos/uso terapéutico, Antioxidantes/farmacología, Quitosano/uso terapéutico, Mucosa Gástrica/efectos de los fármacos, Sepia/química, Úlcera Gástrica/tratamiento farmacológico, Antioxidantes/metabolismo, Quitosano/química, Modelos Animales de Enfermedad, Etanol, Mucosa Gástrica/patología, Hidroxiprolina/metabolismo, Tinta, Malondialdehído/metabolismo, Peso Molecular, Distribución Aleatoria, Úlcera Gástrica/inducido químicamente

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Endoscopic gastric submucosal dissection: experimental comparative protocol between standard technique and Hybrid-Knife(r)

Mendonça, Ernesto Quaresma; Zuretti, Lucas Snioka; Panzani, Thiago; Sulbaran, Marianny; Sakai, Christiano Makoto; Sakai, Paulo.

Arq. gastroenterol; 53 (3), 2016

ABSTRACT Background Endoscopic treatment of superficial gastrointestinal tumors is routinely performed, however the advantages and shortcomings of submucosal pressure-jet dissection is still debated. Objective - Aiming to compare this technique with conventional submucosal dissection, a study was desig...

Electrocirugia/instrumentación, Resección Endoscópica de la Mucosa/instrumentación, Resección Endoscópica de la Mucosa/métodos, Mucosa Gástrica/patología, Mucosa Gástrica/cirugía, Inyecciones a Chorro/instrumentación, Complicaciones Intraoperatorias/cirugía, Modelos Animales, Tempo Operativo, Distribución Aleatoria, Porcinos

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Relationship between the presence of helicobacter pylori with inflammatory endoscopic changes in gastroduodenal mucosa

Ribeiro, Irma Cláudia Saboya; Kubrusly, Luiz Fernandao; Nassif, Paulo Afonso Nunes; Ribeiro, Patrícia Fernanda Saboya; Veras, Rodrigo de Oliveira; Neppel, Aline.

ABCD (São Paulo, Impr.); 29 (3), 2016

ABSTRACT Background: The influence of Helicobacter pylori (HP) in inflammatory disorders of the digestive mucosa has been the subject of several studies since socioeconomic, personal and environmental factors were implicated in the bacteria transmission. Aim: To correlate the inflammatory endoscopic ...

Duodenitis/microbiología, Duodenitis/patología, Duodenoscopía, Esofagitis/microbiología, Esofagitis/patología, Mucosa Gástrica/microbiología, Mucosa Gástrica/patología, Gastritis/microbiología, Gastritis/patología, Gastroscopía, Helicobacter pylori/aislamiento & purificación, Mucosa Intestinal/microbiología, Mucosa Intestinal/patología

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Influence of duodenogastric reflux in the gastric mucosa histological changes of rats infected with Helicobacter pylori

Araújo, José Carlos Ribeiro de; Carvalho, Jorge José de; Serra, Humberto Oliveira.

Rev. Col. Bras. Cir; 43 (4), 2016

ABSTRACT Objective: to evaluate the influence of Duodenal reflux in histological changes of the gastric mucosa of rats infected with Helicobacter pylori submitted to pyloroplasty. Methods: after two weeks of acclimation, we infected 30 male Wistar rats with Helicobacter pylori. We randomly divided th...

Reflujo Duodenogástrico/complicaciones, Reflujo Duodenogástrico/cirugía, Gastrectomía, Mucosa Gástrica/patología, Infecciones por Helicobacter/complicaciones, Infecciones por Helicobacter/cirugía, Helicobacter pylori, Píloro/cirugía, Distribución Aleatoria, Ratas Wistar

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H. Pylori infection, endoscopic, histological aspects and cell proliferation in the gastric mucosa of patients submitted to roux-en-y gastric bypass with contention ring: a cross sectional endoscopic and immunohistochemical study

Nogueira, Thiago De Bortoli; Artigiani Filho, Ricardo; Herani Filho, Benedito; Waisberg, Jaques.

Arq. gastroenterol; 53 (1), 2016

ABSTRACT Background Morbid obesity treatment through vertical gastroplasty Roux-en-Y gastric bypass initially used a contention ring. However, this technique may create conditions to the development of potentially malign alterations in the gastric mucosa. Although effective and previously performed in l...

Anastomosis en-Y de Roux, Proliferación Celular, Enfermedad Crónica, Estudios Transversales, Derivación Gástrica/efectos adversos, Derivación Gástrica/métodos, Mucosa Gástrica/microbiología, Mucosa Gástrica/patología, Gastritis/microbiología, Gastritis/patología, Infecciones por Helicobacter/etiología, Infecciones por Helicobacter/patología, Helicobacter pylori, Inmunohistoquímica, Persona de Mediana Edad, Obesidad Mórbida/cirugía, Estudios Retrospectivos, Índice de Severidad de la Enfermedad

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ADMINISTRATION OF H2 BLOCKERS IN NSAID INDUCED GASTROPATHY IN RATS: effect on histopathological changes in gastric, hepatic and renal tissues

Manocha, Sachin; Lal, Dushyant; Venkataraman, Subramanian.

Arq. gastroenterol; 53 (1), 2016

ABSTRACT Background Nonsteroidal anti-inflammatory drugs induces gastric mucosal lesions because of its acidic properties. Ranitidine, an H2 receptor antagonist, has proved beneficial in patients with gastric ulcers. Objective The present study was performed to assess the effect of administering raniti...

Antiinflamatorios no Esteroideos/farmacología, Diclofenaco/farmacología, Mucosa Gástrica/efectos de los fármacos, Mucosa Gástrica/patología, Antagonistas de los Receptores H2 de la Histamina/farmacología, Mucosa Intestinal/efectos de los fármacos, Mucosa Intestinal/patología, Riñón/efectos de los fármacos, Riñón/patología, Ranitidina/farmacología, Úlcera Gástrica/inducido químicamente, Úlcera Gástrica/prevención & control, Sulfonamidas/farmacología, Ratas Wistar

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Obstruçäo do íleo terminal por mucosa gástrica heterotópica: relato de caso

Terminal ileum from obstruction owing to heterotopic gastric mucosa: case report

Atik, F. A; Ricci, M; Del Grande, J. C; Haddad, C. M.

Rev. Assoc. Med. Bras. (1992, Impr.); 44 (4), 1998

A mucosa gástrica ectópica localizada no intestino delgado, distal ao ligamento de Treitz é muito rara, excetuando-se a encontrada habitualmente no divertículo de Meckel e na duplicaçao intestinal. Existem formas congênita e adquirida, sendo esta última secundária à processos inflamatórios inte...

Enfermedades del Íleon/diagnóstico, Coristoma/diagnóstico, Mucosa Gástrica/patología, Obstrucción Intestinal/diagnóstico, Tuberculosis Gastrointestinal/complicaciones, Enfermedades del Íleon/patología, Enfermedades del Íleon/etiología, Obstrucción Intestinal/patología, Obstrucción Intestinal/etiología, Coristoma/patología, Coristoma/etiología

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Efeitos da vagotomia nas alteraçöes da mucosa gástrica provocadas pelo refluxo enterogástrico do suco duodenobiliopancreático: estudo experimental

Effects of vagotomy on gastric mucosa changes induced by enterogastric reflux of pancreatic and biliary juices: experimental study

Godoy, Alvaro Queiroz de; Ceneviva, Reginaldo; Melo, Valdinaldo Aragäo de; Barbieri Neto, José.

Rev. Col. Bras. Cir; 13 (2), 1986

Apresentam-se um estudo experimental com o objetivo de verificar as alteraçöes estruturais da mucosa gástrica exposta ao refluxo enterogástrico do material biliopancreático e demonstrar o efeito da vagotomia nestas alteraçöes. Foram utilizados 40 cäes divididos em cinco grupos, operados e observa...

Reflujo Duodenogástrico/complicaciones, Mucosa Gástrica/patología, Vagotomía Gástrica Proximal