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Different risk factors influence peptic ulcer disease development in a Brazilian population

World Journal of Gastroenterology 2012年第38期18卷 5404-5411页

作者： rodrigo buzinaro suzuki rodrigo Faria Cola Larissa Tranquilino Bardela Cola Camila Garcia Ferrari Fred Ellinger Altino Luiz Therezo Luis Carlos da Silva André Eterovic Márcia Aparecida Sperana Department of Genotyping Hemocenter Marilia Medical School Marilia 17519-030 So Paulo Brazil Center for Natural and Human Sciences Universidade Federal do ABC Santo André 09210-170 So Paulo Brazil Department of Molecular Biology Marilia Medical School Marilia 17519-030 So Paulo Brazil Department of Pathology Marilia Medical School Marilia 17519-030 So Paulo Brazil

AIM: To investigate age, sex, histopathology and Helicobacter pylori (H. pylori) status, as risk factors for gastroduodenal disease outcome in Brazilian dyspeptic *** submitted to upper gastroscopy at Hospital das Clinicas of Marilia, antral biopsy specimens were obtained and subjected to histopathology and H. pylori diagnosis. All patients presenting chronic gastritis (CG) and peptic ulcer (PU) disease localized in the stomach, gastric ulcer (GU) and/or duodenal ulcer (DU) were included in the study. Gastric biopsies (n = 668) positive for H. pylori by rapid urease test were investigated for vacuolating cytotoxin A (vacA ) medium (m) region mosaicism by polymerase chain reaction. Logistic regression analysis was performed to verify the association of age, sex, histopathologic alterations, H. pylori diagnosis and vacA m region mosaicism with the incidence of DU, GU and CG in patients. RESULTS: Of 1466 patients submitted to endoscopy, 1060 (72.3%) presented CG [male/female = 506/554; mean age (year) ± SD = 51.2 ± 17.81], 88 (6.0%) presented DU [male/female = 54/34; mean age (year) ± SD = 51.4 ± 17.14], and 75 (5.1%) presented GU [male/female = 54/21; mean age (year) ± SD = 51.3 ± 17.12] and were included in the comparative analysis. Sex and age showed no detectable effect on CG incidence (overall c 2 = 2.1, P = 0.3423). Sex [Odds ratios (OR) = 1.8631, P = 0.0058] but not age (OR = 0.9929, P = 0.2699) was associated with DU and both parameters had a highly significant effect on GU (overall c 2 = 30.5, P < 0.0001). The histopathological results showed a significant contribution of ageing for both atrophy (OR = 1.0297, P < 0.0001) and intestinal metaplasia (OR = 1.0520, P < 0.0001). Presence of H. pylori was significantly associated with decreasing age (OR = 0.9827, P < 0.0001) and with the incidence of DU (OR = 3.6077, P < 0.0001). The prevalence of m1 in DU was statistically significant (OR = 2.3563, P = 0.0018) but not in CG (OR = 2.678, P = 0.0863) and G

关键词： Helicobacter pylori Gastric ulcer disease Duodenal ulcer disease Gastric atrophy Helicobacter pylori vacuolating cytotoxin A medium region mosaicism

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Maintenance of demographic and hematological profiles in a long-lasting dengue fever outbreak: implications for management

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Infectious Diseases of Poverty 2016年第1期5卷 776-786页

作者： Andréia Moreira dos Santos Carmo rodrigo buzinaro suzuki Michele Marcondes Riquena André Eterovic árcia Aparecida Sperança Center for Natural and Human Sciences Universidade Federal do ABCCampus São Bernardo do Campo09606-070 São Bernardo Do CampoSão PauloBrasil Secretaria do Estado da Saúde do Estado de São Paulo Instituto Adolfo LutzCentro de Laboratório Regional VIIISanto André09040-160São PauloBrazil Discipline of Parasitology Marilia Medical SchoolMarilia 17519-030São PauloBrazil Center for Natural and Human Sciences Universidade Federal do ABCCampus Santo AndréSanto André09210-170São PauloBrazil

Background:Dengue fever(DF)outbreaks present regionally specific epidemiological and clinical *** certain medium-sized cities(100000–250000 inhabitants)of São Paulo State,Brazil,and after reaching an incidence of 150 cases/100000 inhabitants(“epidemiological threshold”),clinical diagnosis indicated dengue virus(DENV)*** this period,other seasonally infectious diseases with symptoms and physical signs mimicking DF can simultaneously occur,with the consequential overcrowding of health care facilities as the principal *** of clinical diagnosis of DF with serological tests may help in avoiding faulty diagnosis in patients,who might later undergo dengue hemorrhagic fever(DHF)and the dengue-shock syndrome(DSS).Furthermore,demographic and hematological profiles of patients are useful in detecting specific early characteristics associated to DF,DHF and ***:From March to June,2007,456 patients from Marilia in northwest São Paulo State who had only been diagnosed for DF by clinical criteria,underwent serologic testing for non-structural 1(NS1)DENV *** results were used in comparative analysis according to demographic(gender,age)and hematological(leukocyte and platelet counts,percentage of atypical lymphocytes)*** patterns were evaluated by subdividing data according to time of initial attendance,using recorded variables as predictors of DENV infection in logistic regression models and ROC ***:Serologic DENV detection was positive in 70.6%of the *** leukocyte and platelet counts were the most important factors in predicting DENV infection(respective medians DENV+=3715 cells/ml and DENV-=6760 cells/ml,and DENV+=134896 cells/ml and DENV-=223872 cells/ml).Furthermore,all demographic and hematological profiles presented a conservative temporal pattern throughout this long-lasting ***:As consistency throughout the epidemic facilitated defining the conservation

关键词： Clinical diagnosis Demographic profile Dengue fever Dengue-outbreak pattern Epidemiological threshold Hematological profile

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