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Journal of Otology 2022年第2期17卷 84-89页

作者： Lucas Resende Lucinda Mangia gabriel lucca de oliveira salvador Bettina Carvalho Rogerio Hamerschmidt department of Otolaryngology Head and Neck SurgeryHospital de Clínicas da Universidade Federal do ParanaGeneral Carneiro st181CuritibaBrazil department of Imaging and Radiology Head and Neck SurgeryHospital de Clínicas da Universidade Federal do ParanaGeneral Carneiro st181CuritibaBrazil

Introduction:The role of objective parameters in terms of improvement of the accuracy of highresolution computed tomography(HRCT)of the temporal bone in the diagnosis of otosclerosis remains ***:To investigate the relationship between the density of the fissula antefenestram(FAF)and of the width of the transversal section of the basal turn of the cochlea(BTC),and the diagnosis of ***:This is a retrospective study in which preoperative HRCT data from ears of patients submitted to stapedotomy due to otosclerosis(case group)were *** the control group,normal hearing ears having undergone HRCT for other purposes were *** and control HRCT images were objectively assessed by an experienced blinded *** this evaluation,measurements of the relative radiological density of the FAF and of the transversal section of the BTC were *** results were compared between the ***,a receiver operating characteristic curve was created and the area under the curve(AUC)was calculated for each *** level was set ***:40 ears were included in each *** ears presented reduced values for the relative radiological density on the FAF(p-valuedensity on the FAF and narrower *** relative density of the FAF also shows a great diagnostic power in the context of this disease.

关键词： Otosclerosis Computed tomography Imaging diagnosis

Transmission of severe acute respiratory syndrome coronavirus 2 via fecal-oral:Current knowledge

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World Journal of Clinical Cases 2021年第28期9卷 8280-8294页

作者： Filipe Antônio França da Silva Breno Bittencourt de Brito Maria Luísa Cordeiro Santos Hanna Santos Marques Ronaldo Teixeira da Silva Júnior Lorena Sousa de Carvalho Samuel de Sousa Cruz gabriel Reis Rocha gabriel Lima Correa Santos Kathlen Coutinho de Souza Rebeca gabrielle Almeida Maciel Daiana Silva Lopes Natália oliveira e Silva Márcio Vasconcelos oliveira Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45002175BahiaBrazil departamento de Ciências Naturais Universidade Estadual do Sudoeste da BahiaVitória da Conquista 45002175BahiaBrazil departamento de Bioquímica e Biofísica Universidade Federal da BahiaSalvador 40.110-100BahiaBrazil Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

The pandemic caused by severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)has resulted in more than 93 million cases and 2 million deaths in the ***-CoV-2 respiratory tract infection and its main clinical manifestations such as cough and shortness of breath are well known to the scientific ***,a growing number of studies have reported SARS-CoV-2-related gastrointestinal involvement based on clinical manifestations,such as diarrhea,nausea,vomiting,and abdominal pain as well as on the pathophysiological mechanisms associated with coronavirus disease ***,current evidence suggests SARS-CoV-2 transmission via the fecal-oral route and aerosol ***,studies have shown a high risk of contamination through hospital surfaces and personal ***,viable SARS-CoV-2 specimens can be obtained from aerosols,which raises the possibility of transmission through aerosolized viral particles from ***,the infection by SARS-CoV-2 via fecal-oral route or aerosolized particles should *** addition,a possible viral spread to sources of drinking water,sewage,and rivers as well as the possible risk of viral transmission in shared toilets become a major public health concern,especially in the least developed *** authors have emphasized the presence of viral RNA and even viable SARS-CoV-2 in human feces,studies on the possible fecal-oral coronavirus disease 2019 transmission become essential to understand better the dynamics of its transmission and,then,to reinforce preventive measures against this infection,leading to a more satisfactory control of the incidence of the infection.

关键词： COVID-19 SARS-CoV-2,Transmission Via fecal-oral

Urea breath test for Helicobacter pylori infection in adult dyspeptic patients: A meta-analysis of diagnostic test accuracy

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World Journal of Gastroenterology 2024年第6期30卷 579-598页

作者： Fabian Fellipe Bueno Lemos Caroline Tianeze de Castro Marcel Silva Luz gabriel Reis Rocha gabriel Lima Correa Santos Luís Guilherme de oliveira Silva Mariana Santos Calmon Cláudio Lima Souza Ana Carla Zarpelon-Schutz Kádima Nayara Teixeira Dulciene Maria de Magalhães Queiroz Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Instituto de Saúde Coletiva Universidade Federal da BahiaSalvador 40110040BahiaBrazil Campus Toledo Universidade Federal do ParanáToledo 85919-899ParanáBrazil Laboratory of Research in Bacteriology UFMGBelo Horizonte 30130-100Minas GeraisBrazil

BACKGROUND Helicobacter pylori(***)infection has been well-established as a significant risk factor for several gastrointestinal *** urea breath test(UBT)has emerged as a leading non-invasive method for detecting *** numerous studies confirming its substantial accuracy,the reliability of UBT results is often compromised by inherent *** findings underscore the need for a rigorous statistical synthesis to clarify and reconcile the diagnostic accuracy of the UBT for the diagnosis of *** *** To determine and compare the diagnostic accuracy of 13C-UBT and 14C-UBT for *** infection in adult patients with *** We conducted an independent search of the PubMed/MEDLINE,EMBASE,and Cochrane Central databases until April *** search included diagnostic accuracy studies that evaluated at least one of the index tests(^(13)C-UBT or ^(14)C-UBT)against a reference *** used the QUADAS-2 tool to assess the methodo-logical quality of the *** utilized the bivariate random-effects model to calculate sensitivity,specificity,positive and negative test likelihood ratios(LR+and LR-),as well as the diagnostic odds ratio(DOR),and their 95%confidence *** conducted subgroup analyses based on urea dosing,time after urea administration,and assessment *** investigate a possible threshold effect,we conducted Spearman correlation analysis,and we generated summary receiver operating characteristic(SROC)curves to assess ***,we visually inspected a funnel plot and used Egger’s test to evaluate publication *** both as reliable diagnostic tools in clinical *** In summary,our study has demonstrated that ^(13)C-UBT has been found to outperform the ^(14)C-UBT,making it the preferred diagnostic ***,our results emphasize the significance of carefully considering urea dosage,assessment timing,and measurement techniques for both tests to enh

关键词： Helicobacter pylori Urea breath test Diagnosis Diagnostic test accuracy Meta-analysis

Effectiveness of Helicobacter pylori eradication in the treatment of early-stage gastric mucosa-associated lymphoid tissue lymphoma:An up-to-date meta-analysis

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World Journal of Gastroenterology 2023年第14期29卷 2202-2221页

作者： Fabian Fellipe Bueno Lemos Caroline Tianeze de Castro Mariana Santos Calmon Marcel Silva Luz Samuel Luca Rocha Pinheiro Clara Faria Souza Mendes dos Santos gabriel Lima Correa Santos Hanna Santos Marques Henrique Affonso delgado Kádima Nayara Teixeira Cláudio Lima Souza Márcio Vasconcelos oliveira Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029094BahiaBrazil Instituto de Saúde Coletiva Universidade Federal da BahiaSalvador 40110040BahiaBrazil Campus Vitória da Conquista Universidade Estadual do Sudoeste da BahiaVitória da Conquista 45029094BahiaBrazil Campus Toledo Universidade Federal do ParanáToledo 85919899ParanáBrazil

BACKGROUND Gastric mucosa-associated lymphoid tissue(MALT)lymphoma(GML)is usually a low-grade B-cell neoplasia strongly associated with Helicobacter pylori(***)-induced chronic *** practice guidelines currently recommend *** eradication as the preferred initial treatment for early-stage *** determine the practical effect of bacterial eradication as the sole initial therapy for early-stage GML,an updated analysis and review of available evidence is *** To perform a meta-analysis to assess the rate of complete remission(CR)of ***-positive early-stage GML following bacterial *** We performed independent,computer-assisted literature searches using the PubMed/MEDLINE,Embase,and Cochrane Central databases through September *** and retrospective observational studies evaluating the CR of early-stage GML following bacterial eradication in ***-positive *** risk of bias was assessed using Joanna Briggs Institute(JBI)Critical Appraisal *** pooled estimate of the complete histopathological remission rate and respective confidence intervals(95%CI)were calculated following the random-effects *** and inconsistency were assessed using Cochran’s Q test and I2 statistic,and heterogeneity was defined as P50%,*** and meta-regression analyses were conducted to explore potential sources of *** The titles and abstracts of 1576 studies were screened;96 articles were retrieved and selected for full-text ***,61 studies were included in the proportional meta-analysis(P-MA).Forty-six were prospective and fifteen were retrospective uncontrolled,single-arm,observational *** overall risk of bias was low to moderate in all but a single report,with an average critical appraisal score across all studies of 79.02%.A total of 2936 ***-positive early-stage GML patients,in whom *** was successfully eradicated,were incl

关键词： Lymphoma B-cell Marginal zone Gastric mucosa-associated lymphoid tissue lymphoma Stomach lymphoma Helicobacter pylori Therapeutics Eradication therapy

COVID-19 in dialysis units: A comprehensive review

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World Journal of Virology 2021年第5期10卷 264-274页

作者： gabriel Martins Nogueira Moises Santana oliveira Ana Flavia Moura Constanca Margarida Sampaio Cruz JoseA Moura-Neto department of Medicine Bahiana School of Medicine and Public HealthSalvador 40290-000Brazil department of Internal Medicine Bahiana School of Medicine and Public HealthSalvador 40290-000Brazil department of Internal Medicine Hospital Santo AntônioSalvador 40415-006Brazil

The coronavirus disease 2019(COVID-19)pandemic has been challenging for healthcare professionals *** of the populations affected by the pandemic are patients on renal replacement therapy,as kidney disease is an independent risk factor for severe COVID-19 and maintenance dialysis(a lifesustaining therapy)cannot be interrupted in the vast majority of *** the past months,several authors and medical societies have published recommendations and guidelines on the management of this *** article is a comprehensive review regarding the measures to prevent,contain and deal with a COVID-19 pandemic in the dialysis *** recapitulate the epidemiology and pathophysiology of COVID-19 in kidney dysfunction and present the main recommendations concerning the screening of healthcare personnel,dialysis patients and visitors as well as measures to improve the safety of the dialysis facilities’*** addition to preventive measures,this article briefly describes actions directed towards management of an outbreak of the severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)within a dialysis facility,the management of complications in dialysis patients with COVID-19 and overall data regarding the management of children with kidney disease.

关键词： COVID-19 SARS-CoV-2 Renal dialysis Renal replacement therapy Hemodialysis units,Hospital

Acute kidney injury and electrolyte disorders in COVID-19

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World Journal of Virology 2022年第5期11卷 283-292页

作者： gabriel Martins Nogueira Noel Lucas oliveira Rodrigues Silva Ana Flávia Moura Marcelo Augusto Duarte Silveira JoséA Moura-Neto department of Medicine Bahiana School of Medicine and Public HealthSalvador 40290-000BahiaBrazil department of Nephrology D’Or Institute for Research and EducationHospital São RafaelSalvador 41253900BahiaBrazil

Acute kidney injury(AKI)and electrolyte disorders are important complications of hospitalized coronavirus disease 2019(COVID-19)*** is thought to occur due to multiple pathophysiological mechanisms,such as multiple organ dysfunction(mainly cardiac and respiratory),direct viral entry in the renal tubules,and cytokine release *** is present in approximately one in every ten hospitalized COVID-19 *** incidence rates of AKI increase in patients who are admitted to the intensive care unit(ICU),with levels higher than 50%.Additionally,renal replacement therapy(RRT)is used in 7%of all AKI cases,but in nearly 20%of patients admitted to an ***-19 patients with AKI are considered moderate-to-severe cases and are managed with multiple interdisciplinary *** acts as a risk factor for mortality in severe acute respiratory syndrome coronavirus 2 infection,especially when RRT is *** disorders are also common manifestations in hospitalized COVID-19 patients,mainly hyponatremia,hypokalemia,and *** occurs due to a combination of syndrome of inappropriate secretion of antidiuretic hormone and gastrointestinal fluid loss from vomiting and *** it comes to hypokalemia,its mechanism is not fully understood but may derive from hyperaldosteronism due to renin angiotensin aldosterone system overstimulation and gastrointestinal fluid loss as *** clinical features of hypokalemia in COVID-19 are similar to those in other *** is the most common electrolyte disorder in COVID-19 and seems to occur because of vitamin D deficiency and parathyroid *** is also highly associated with longer hospital and ICU stay.

关键词： COVID-19 SARS-CoV-2 Acute kidney injury Electrolyte disorders Renal dialysis

Human Seroreactivity to Secreted Molecules of Corynebacterium pseudotuberculosis

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Advances in Microbiology 2022年第3期12卷 150-158页

作者： Ramon Mendes dos Santos Silvânia Maria Andrade Cerqueira Caio Lopez Borge Andrade gabriel Saldanha Müller Vitória Costa de Menezes Santos Hévlyn Ribeiro de Araújo Samanta Queiroz Rogério Reis Conceição Luiz Gustavo Freitas oliveira Marcos Borges Ribeiro Silvana Marchioro Lilia Ferreira de Moura-Costa Fúlvia Soares Campos de Sousa Maria da Conceição Aquino de Sá José Tadeu Raynal Rocha Filho Soraya Castro Trindade Eduardo Martins Netto Roberto Meyer Songelí Menezes Freire Laboratory of Immunology and Molecular Biology of the Health Sciences Institute of the Federal University of Bahia Bahia Brazil Specialized Hospital Otávio Mangabeira Bahia Brazil Microbiology of the Federal University of Bahia Bahia Brazil Laboratory of Infectology of the University Hospital Complex Professor Edgard Santos Salvador Bahia Brazil

Corynebacterium pseudotuberculosis is an infectious agent that occurs in small ruminants causing caseous lymphadenitis, and more rarely in humans causing lymphadenitis and pneumonia. The breeding small ruminants have great economic importance in Brazil. Rural farm workers and veterinary students who acquired this disease suffered from weakening symptoms for weeks, and the identification of the etiological agent was time-consuming and complex. Due to the low prevalence of case records, there is probably no available commercial diagnostic kit for C. pseudotuberculosis infection in humans. This study aimed to describe human seroreactivity to secreted antigens from C. pseudotuberculosis. Reactivity of serum from farm workers (n = 14), individuals who work with the bacillus at laboratory (n = 8) or individuals without contact (n = 25) was tested with secreted proteins from PAT10 strain of C. pseudotuberculosis by Western blotting. Samples of all (100%) farm workers showed reactivity to 31 kDa, 71 kDa and 164 kDa proteins, while laboratory workers showed 87.5%, 62.5 % and 37.5%, and no-contact 20%, 0% and 16%, respectively. All sera recognized the 275 kDa protein. Our data suggest that C. pseudotuberculosis secreted proteins are antigenic in humans and the recognition profiles allowed the identification of individuals with and without prior contact with this bacillus. This is the first paper which describes human reactivity to C. pseudotuberculosis in serum samples of workers in Brazil.

关键词： Human Immunoreactivity Antigenicity Corynebacterium pseudotuberculosis Secreted Proteins Western Blot