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      Gastritis crónica antral por Helicobacter pylori en pacientes con y sin reflujo duodenogástrico Translated title: Chronic Antral Gastritis for Helicobacter pylori in Patients with and without Duodenogastric Reflux

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          Abstract

          Introducción: la gastritis crónica antral por Helicobacter pylori y la afección por reflujo duodenogástrico (RDG) son enfermedades frecuentes que pueden coexistir. La posible influencia del reflujo duodenogástrico sobre la infección por Helicobacter pylori es un tema controvertido. Objetivo: estimar el comportamiento histopatológico de la gastritis crónica antral por Helicobacter pylori según la presencia o no de reflujo duodenogástrico e identificar si existen diferencias entre ellos. Métodos: estudio tipo caso-control. Universo: total de pacientes atendidos entre agosto 2011-agosto 2012 en el Servicio de Gastroenterología del Hospital Universitario Vladimir Ilich Lenin de Holguín, con endoscopia y biopsia gástrica antral diagnóstica de gastritis crónica antral e infección por H. pylori, diagnosticadas en el Departamento de Anatomía Patológica del Hospital Pediátrico Provincial Octavio de la Concepción y de la Pedraja según estado de actividad, severidad lesional y densidad de colonización por Helicobacter pylori. Se seleccionaron dos grupos: de estudio o casos con RDG (n = 25) y de control sin RDG (n = 47). Resultados: las formas activas (80%), mayores grados de severidad lesional (68%) y de densidad de colonización de Helicobacter pylori (56%) predominaron en el grupo estudio sin diferencias significativas con el grupo control (P> 0,05). Conclusiones: no existió una relación sinérgica, ni antagónica, entre la infección por Helicobacter pylori y el material refluido respecto a la acción lesiva sobre la mucosa gástrica y la magnitud de la colonización por la bacteria.

          Translated abstract

          Introduction: the chronic antral gastritis for Helicobacter pylori (H pylori) and duodenogastric reflux disorders are frequent affections that can coexist. The possible influence of the duodenogastric reflux disorders on chronic antral gastritis for Helicobacter pylori is a controversial theme. Objective: to estimate the histopathological behavior of the chronic antral gastritis for H. pylori according to the presence or not of duodenogastric reflux. Methods: a control case study was carried out. The universe comprised the total of patients attended during August 2011- August 2012 in Gastroenterology Service of the Teaching Hospital of Holguín, with endoscopy and gastric antral diagnostic biopsy of chronic antral gastritis and infection by H. pylori. Two samples were selected: a study group with duodenogastric reflux (25 patients, 34.7%) and a control group without duodenogastric reflux (47 patients). Results: the active forms (80%), bigger degrees of severity lesion (68%) and of Helicobacter pylori's density of colonization (56%) predominated in the study group without significant differences comparing to the control group (P< 0.05). Conclusions: there were no synergetic and antagonistic relations between the infection for Helicobacter pylori and the flowed back material in relation to the harmful action on the gastric mucosa and the magnitude of the colonization for the bacterium.

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          Most cited references30

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          Factors related to Helicobacter pylori prevalence in an adult population in Brazil.

          The prevalence of Helicobacter pylori is higher in developing countries. Sanitary facilities, crowding and ethnic group are some of the factors related to H. pylori infection. The aim of this study was to investigate in blood donors, free of dyspeptic symptoms, the prevalence and factors influencing H. pylori infection. This study was conducted in São Paulo, a city known to have a mixed population coming from all over the country. A total of 1008 blood donors were initially included in the study. After a final revision of all the questionnaires, 993 were included in the final analysis (746 males). H. pylori status was checked by an ELISA test. The following associations to infection were analyzed: sex, age, ethnic group, previous upper gastrointestinal (GI) endoscopy, smoking, alcoholism, drug addiction, type of drinking water, crowding, sanitary facilities, and family income. Infection was observed in 496 of 746 male (66.5%) and in 156 of 247 female (63.2%) blood donors. Infection prevalence increased according to age group, regardless of sex. Prevalence was lower in White population than in non-White. No relationship was observed between infection and smoking, drug addiction, and alcohol. A positive relation was observed between infection and previous upper GI endoscopy, and type of drinking water, regardless if currently or during childhood. Crowding and lack of toilet in the house during childhood resulted in a higher infection rate. Lower familial income and educational level showed a positive association to infection. Prevalence of H. pylori is higher in non-White population, independent of gender. A positive association was observed in aging, previous upper GI endoscopy, crowding, type of drinking water, lack of toilet during childhood, lower family income, and lower educational level.
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            Consequences of Helicobacter pylori infection in children.

            Although evidence is emerging that the prevalence of Helicobacter pylori (H. pylori) is declining in all age groups, the understanding of its disease spectrum continues to evolve. If untreated, H. pylori infection is lifelong. Although H. pylori typically colonizes the human stomach for many decades without adverse consequences, children infected with H. pylori can manifest gastrointestinal diseases. Controversy persists regarding testing (and treating) for H. pylori infection in children with recurrent abdominal pain, chronic idiopathic thrombocytopenia, and poor growth. There is evidence of the role of H. pylori in childhood iron deficiency anemia, but the results are not conclusive. The possibility of an inverse relationship between H. pylori and gastroesophageal reflux disease, as well as childhood asthma, remains a controversial question. A better understanding of the H. pylori disease spectrum in childhood should lead to clearer recommendations about testing for and treating H. pylori infection in children who are more likely to develop clinical sequelae.
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              Reflux gastritis: distinct histopathological entity?

              A total of 98 patients who had either undergone gastric surgery (23) or who had peptic ulcers (56), or who had normal endoscopic findings (19), all underwent gastric biopsy, together with measurement of pH and total bile acid concentration in their fasting gastric juice. The biopsy specimens were graded "blind" for the presence of foveolar hyperplasia; oedema and smooth muscle fibres in the lamina propria; vasodilation and congestion of superficial mucosal capillaries; and a paucity of both acute and chronic inflammatory cells in the brief that these features constituted a distinctive histological picture related to reflux of alkaline duodenal content into the stomach. We found a strong association between severe grades of each of these histological variables and both hypochlorhydria (pH greater than or equal to 4) and increased bile acid concentrations in the stomach. Furthermore, when the individual grades were added together to give a composite "reflux score," there was a significant difference in the incidence of hypochlorhydria (p less than 0.01) and raised bile acid concentrations (p less than 0.005) between those patients with a reflux score above and below 10. Although we do not claim that reflux is invariably accompanied by a distinctive histological picture, we suggest that recognition of this hitherto poorly documented combination of features as reflux gastritis may assist in the selection of patients for specific treatment and minimise the overdiagnosis of premalignant dysplasia (with which the lesion may be confused) in the postoperative stomach.
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                Author and article information

                Journal
                ccm
                Correo Científico Médico
                ccm
                Universidad Ciencias Médicas de Holguín (Holguín, , Cuba )
                1560-4381
                March 2014
                : 18
                : 1
                : 65-78
                Affiliations
                [03] orgnameUniversidad de Ciencias Médicas de Holguín Cuba
                [05] Holguín orgnameHospital Pediátrico Universitario Octavio de la Concepción y la Pedraja Cuba
                [01] Holguín orgnameHospital General Universitario Vladimir Ilich Lenin Cuba
                [02] Holguín orgnamePoliclínico Docente Mayor Jorge Luis Estevanel Díaz de Cueto Cuba
                [04] Granma orgnameHospital Pediátrico de Manzanillo Cuba
                Article
                S1560-43812014000100009 S1560-4381(14)01800109
                b334bac5-0389-4770-a8de-28a4e8d22cf3

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 18 December 2013
                : 20 January 2014
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 30, Pages: 14
                Product

                SciELO Cuba

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                ARTÍCULOS ORIGINALES

                duodenogastric reflux disorder,enfermedad por reflujo duodenogástrico,infección por Helicobacter pylori,gastritis crónica antral,infection for Helicobacter pylori,chronic antral gastritis

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