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Prevalence of congenital cytomegalovirus infection in preterm,small for gestational age and low birth weight newborns:characteristics and cytokines profile

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World Journal of Pediatrics 2022年第7期18卷 498-504页

作者： Janaina Fortes Lino Llian Martins Oliveira diniz debora marques de miranda daniela Valadao Freitas Rosa Nathalia Gualberto Souza e Silva Eduardo de Souza Nicolau Larissa Goncalves Rezende Lais Silva Carvalho Marianna Fischer de Paula Lopes Luisa Petri Correa Gabriela Mafra de Oliveira Flavia miranda da Silva Alves Lorena Batista Pascoal Erika Lima dolabella Teixeira da Costal Leni Marcia Anchieta Roberta Maia de Castro Romaneli Odete Valadares Maternity Hospital Belo HorizonteBrazil Pediatrics department.Faculy of Medice of Federal University of Minas Gerais Belo Horizonte.Brazil Molecular Laboratory of the INCT-MM.Faculy of Medicine.Federal University of Minas Gerais-UFMG.Belo Horizonte Brazil Faculty of Medicine.Federal University of Minas Gerais-UFMG Belo Horizonte.Brazil Risoleta Tolentino.Neves University Hospital's Maternity Belo HorizonteBrazil Sofia Feldman Maternity Hospital Belo HorizonteBrazil Hospital das Clinicas Maternity-Federal University of Minas Gerais.Belo Horizonte Brazil Pediatrics department of Federal University of Minas Gerais School Medicine.Minas Gerais.Av Professor Alfredo Balena 190.Belo Horizonte 30130-100Brazil

Cytomegalovirus is the most frequent agent of congenital viral infections,affecting approximately 0.2%-2.4%of live births in different countries[1-7].Universal screening for congenital cytomegalovirus infection in newborns is not a standard practice considering cost-benefit issues and viabil-ity of diagnostic ***,most newborns are asympto-matic and there is no effective treatment for this population[2-5].

关键词： weight birth characteristics

diagnostic criteria for autoimmune hepatitis in children: A challenge for pediatric hepatologists

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World Journal of Gastroenterology 2012年第33期18卷 4470-4473页

作者： Priscila Menezes Ferri Alexandre Rodrigues Ferreira débora marques miranda Ana Cristina Sim■es e Silva division of Pediatric Gastroenterology and Hepatology Department of Pediatrics School Medicine Federal University of Minas Gerais Minas Gerais 30130-100 Brazil National Institute of Science and Technology of Molecular Medicine Faculty of Medicine Federal University of Minas Gerais Minas Gerais 30130-100 Brazil

Autoimmune hepatitis (AIH) is a progressive inflammatory liver disorder that is rare in children and adolescents. AIH has a broad clinical spectrum and a quick response to treatment with corticosteroids and immunosuppressive medication. The available diagnosis criteria have limitations and should be evaluated in pediatric populations. Recently, some studies reported that the 2008 simplified diagnostic criteria for AIH could be used in children with high sensibility and specificity. In addition, the authors reported that globulin and immunoglobulin G levels can be used interchangeably for diagnostic purposes. They also demonstrated that the 2008 simplified criteria fail in identifying patients with fulminant hepatic failure. Here, we discuss the limitations of the use of these criteria in pediatric patients and the requirement of more studies to improve the diagnosis of AIH in children.

关键词： Child Autoimmune hepatitis Liver diseases diagnosis Autoimmunity

PNPLA3 and TM6SF2 polymorphisms in Brazilian patients with nonalcoholic fatty liver disease

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World Journal of Hepatology 2020年第10期12卷 792-806页

作者： Quelson Coelho Lisboa Mateus Jorge Nardelli Patrícia de Araújo Pereira débora marques miranda Stephanie Nunes Ribeiro Raissa Soares Neves Costa Camila Azevedo Versiani Paula Vieira Teixeira Vidigal Teresa Cristina de Abreu Ferrari Claudia Alves Couto departament de Clínica Médica Faculty of MedicineUniversidade Federal de Minas GeraisBelo Horizonte 30130100Brazil

BACKGROUNd Nonalcoholic fatty liver disease(NAFLd)is becoming the most common chronic liver disease worldwide,with significant morbidity associated with nonalcoholic steatohepatitis(NASH).Genome-wide association studies demonstrated that the variants rs738409 C/G in the PNPLA3 and rs58542926 C/T in the TM6SF2 genes are determinants of inter-individual and ethnicity-related differences in hepatic fat content and NAFLd *** To investigate PNPLA3 and TM6SF2 genotype frequency and their association with NAFLd development and progression in Brazilian *** This cross-sectional case-control study enrolled 285 individuals from the Gastroenterology and Hepatology clinics at a university hospital in *** case patients(n=148)were confirmed to have NAFLd by the identification of hepatic steatosis on ultrasonography and exclusion of other causes of liver *** to the clinical protocol,patients underwent liver biopsy when at high risk for NASH and/or advanced fibrosis(n=65).Steatohepatitis was confirmed in 54 *** who did not have biopsy indication or NASH on histology were considered to have simple steatosis(n=94).The control group(n=137)was selected among patients that attended the Intestinal disease clinic and was composed of subjects without abnormalities on abdominal ultrasonography and normal liver biochemical *** individuals underwent PNPLA3 and TM6SF2 genotype *** PNPLA3 CC,CG and GG genotype frequencies were 37%,44%and 19%,respectively,in NAFLd patients and were 58%,31%and 10%in controls(Pdel adjusted for gender,age,body mass index and type 2 diabetes mellitus,the G allele increased the chance of NAFLd(OR=1.69,95%CI:1.21-2.36,P=0.002)and NASH(OR=3.50,95%CI:1.84-6.64,Pd between G allele and the features of metabolic *** histological assessment,PNPLA3 genoty

关键词： Nonalcoholic fatty liver disease Nonalcoholic steatohepatitis Genetic variation Single nucleotide polymorphism Genotype Brazil Fibrosis

Helicobacter pylori infection: Beyond gastric manifestations

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World Journal of Gastroenterology 2020年第28期26卷 4076-4093页

作者： Maria Luisa Cordeiro Santos Breno Bittencourt de Brito Filipe Antonio França da Silva Mariana miranda Sampaio Hanna Santos marques Natalia Oliveira e Silva dulciene Maria de Magalhaes Queiroz Fabricio Freire de Melo Instituto Multidisciplinar em Saude Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Universidade Estadual da Bahia Vitória da Conquista 45083-900BahiaBrazil Laboratory of Research in Bacteriology Faculdade de MedicinaUniversidade Federal de Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil

Helicobacter pylori(***)is a bacterium that infects more than a half of world’s *** it is mainly related to the development of gastroduodenal diseases,several studies have shown that such infection may also influence the development and severity of various extragastric *** to the current evidence,whereas this bacterium is a risk factor for some of these manifestations,it might play a protective role in other pathological *** that context,when considered the gastrointestinal tract,*** positivity have been related to Inflammatory Bowel disease,Gastroesophageal Reflux disease,Non-Alcoholic Fatty Liver disease,Hepatic Carcinoma,Cholelithiasis,and ***,lower serum levels of iron and vitamin B12 have been found in patients with *** infection,leading to the emergence of anemias in a portion of *** regards to neurological manifestations,a growing number of studies have associated that bacterium with multiple sclerosis,Alzheimer’s disease,Parkinson’s disease,and Guillain-Barré***,the risk of developing cardiovascular disorders,such as atherosclerosis,is also influenced by the *** that,the ***-associated inflammation may also lead to increased insulin resistance,leading to a higher risk of diabetes mellitus among infected ***,the occurrence of dermatological and ophthalmic disorders have also been related to that *** this sense,this minireview aims to gather the main studies associating *** infection with extragastric conditions,and also to explore the main mechanisms that may explain the role of *** in those diseases.

关键词： Helicobacter pylori Extragastric Neurological Cardiovascular Autoimmune Ophthalmic diabetes Timeline Treatment

Current status and future perspectives of radiomics in hepatocellular carcinoma

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World Journal of Gastroenterology 2023年第1期29卷 43-60页

作者： Joao miranda Natally Horvat Gilton marques Fonseca Jose de Arimateia Batista Araujo-Filho Maria ClaraFernandes Charlotte Charbel Jayasree Chakraborty Fabricio Ferreira Coelho Cesar Higa Nomura Paulo Herman department of Radiology University of Sao PauloSao Paulo 05403-010Brazil department of Radiology Memorial Sloan-Kettering Cancer CenterNew YorkNY 10065United States department of Gastroenterology University of Sao PauloSao Paulo 05403-000Brazil department of Radiology Hospital Sirio-LibanesSao Paulo 01308-050Brazil department of Surgery Memorial Sloan-Kettering Cancer CenterNew YorkNY 10065United States department of Radiology University of Sao PauloSao Paulo 05403-000Brazil

Given the frequent co-existence of an aggressive tumor and underlying chronic liver disease,the management of hepatocellular carcinoma(HCC)patients requires experienced multidisciplinary team ***,imaging plays a key role in the diagnosis,staging,restaging,and surveillance of ***,imaging assessment of HCC entails the assessment of qualitative characteristics which are prone to inter-reader *** is an emerging field that extracts high-dimensional mineable quantitative features that cannot be assessed visually with the naked eye from medical *** main potential applications of radiomic models in HCC are to predict histology,response to treatment,genetic signature,recurrence,and *** the encouraging results to date,there are challenges and limitations that need to be overcome before radiomics implementation in clinical *** purpose of this article is to review the main concepts and challenges pertaining to radiomics,and to review recent studies and potential applications of radiomics in HCC.

关键词： Radiomics Hepatocellular carcinoma Texture analysis Radiology

Streptococcus agalactiae:Identification methods,antimicrobial susceptibility, and resistance genes in pregnant women

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World Journal of Clinical Cases 2020年第18期8卷 3988-3998页

作者： Fabrícia Almeida Fernandes Santana Tais Viana Ledo de Oliveira Marcelo Barreto de Souza Filho Lucas Santana Coelho da Silva Breno Bittencourt de Brito Fabrício Freire de Melo Cláudio Lima Souza Lucas miranda marques Márcio Vasconcelos Oliveira Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Laboratório Oliveira Ltda LABOVitória da Conquista 45020740BahiaBrazil Campus Soane Nazaréde Andrade Universidade Estadual de Santa CruzIlhéus 45662900BahiaBrazil

BACKGROUNd Group B Streptococcus(GBS)is a normal component of the gastrointestinal and genital microbiota in humans and can lead to important infections in *** To compare GBS isolation and identification methods as well as to assess the antibiotic susceptibility and to identify resistance genes in GBS strains from pregnant women attended in healthcare services from the city of Vitória da Conquista,in Bahia State,*** From January 2017 to February 2018,vaginorectal swabs were obtained from 186 participants and the samples were seeded onto chromogenic agar for GBS before and after inoculation in selective *** identification using 3 CAMP and latex tests was performed in samples with GBS-suggestive ***,disk diffusion antibiograms were performed in GBS-positive samples,and the detection of the resistance genes ermB,ermTR,mefA,and linB in the clindamycin and/or erythromycin-resistant samples was carried *** Thirty-two samples(17.2%)were *** culture in chromogenic agar after sample incubation in selective broth was the most sensitive method(96.9%)for GBS *** isolates were susceptible to penicillin,ampicillin,cefotaxime,and *** resistance was observed in 6 samples(18.8%),while 8 samples(25%)were *** erythromycin and/or clindamycin-resistant GBS strains had negative *** strains(25%)presented an M phenotype and 6 isolates(75%)presented a cMLSB *** ermB gene was identified in 4 samples(44.4%),the mefA gene was also found in 4 samples(44.4%),the ermTR gene was identified in 1 isolate(11.1%),and the linB gene was not found in any *** This study evidenced that the screening for SGB can be performed by means of various methods,including chromogenic media,and that the chemoprophylaxis for pregnant women who cannot use penicillin must be susceptibility-guided.

关键词： Streptococcus agalactiae Pregnancy Antimicrobial susceptibility

Epidemiological and clinical characteristics of COVId-19 in a Brazilian public hospital

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World Journal of Clinical Cases 2023年第8期11卷 1761-1770页

作者： Fillipe dantas Pinheiro Luana Weber Lopes Rafael Santos dantas miranda dórea Glauber Rocha Lima Araújo Filipe Antônio França da Silva Breno Bittencourt de Brito Maria Luísa Cordeiro Santos Geovani Moreno Santos Júnior Maria Teresa Araújo de Lorenzo Barcia Renata de Amorim marques AndréBezerra Botelho Anna Carolina Saúde dantas davi Tanajura Costa Adriano Fernandes Teixeira Cláudio Lima Souza Lucas miranda marques Guilherme Barretos Campos Márcio Vasconcelos Oliveira dulciene Maria de Magalhães Queiroz Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil Hospital Geral de Vitória da Conquista Vitória da Conquista 45030-160BahiaBrazil departamento de Ciências da Saúde Universidade Estadual do Sudoeste da Bahia(UESB)Vitória da Conquista 45083-900BahiaBrazil Faculdade de Medicina Universidade Federal de Minas GeraisBelo Horizonte 31270-901Minas GeraisBrazil

BACKGROUNd The coronavirus disease 2019(COVId-19)pandemic has become a major health concern *** that context,the understanding of epidemiological and clinical features associated with the disease and its severity is crucial for the establishment of strategies aimed at disease control and *** To describe epidemiological features,signs,symptoms,and laboratory findings among severely ill COVId-19 patients from an inten-sive care unit in northeastern Brazil as well as to evaluate predictor factors for disease *** This is a prospective single-center study that evaluated 115 patients admitted to the intensive care unit in a northeastern Brazilian *** The patients had a median age of 65.60±15.78 *** was the most frequent symptom,affecting 73.9%of the patients,followed by cough(54.7%).Fever was reported in approximately one-third of patients and myalgia in 20.8%of the *** least two comorbidities were found in 41.7%of the patients,and hypertension was the most prevalent(57.3%).In addition,having two or more comorbidities was a predictor of mortality,and lower platelet count was positively associated with *** and vomiting were two symptoms that were predictors of death,and the presence of a cough was a protective *** This is the first report of a negative correlation between cough and death in severely ill severe acute respiratory syndrome coronavirus 2-infected *** associations between comorbidities,advanced age,and low platelet count and the outcomes of the infection were similar to the results of previous studies,highlighting the relevance of these features.

关键词： COVId-19 Epidemiology Symptoms Comorbidities Laboratory parameters

Identification and characterization of resistance and pathogenicity of Enterococcus *** samples of donor breast milk

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World Journal of Clinical Pediatrics 2020年第3期9卷 53-62页

作者： Luana Andrade Mendes Santana Nivea Nara Novais Andrade Lucas Santana Coelho da Silva Caline Novais Teixeira Oliveira Breno Bittencourt de Brito Fabricio Freire de Melo Claudio Lima Souza Lucas miranda marques Marcio Vasconcelos Oliveira Oliveira Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

BACKGROUNd Breast milk is the primary source of nutrition for *** babies frequently need nutritional support from Human Milk *** bacterial species of the genus Enterococcus are part of the microbiota of healthy donors,they may contaminate samples of pumped breast *** To identify and characterize the bacterial virulence and resistance in samples isolated from the nipple-areolar region,hands,and breast milk aliquots from donors at the Human Milk Bank of Municipal Hospital EsauMatos in the city of Vitória da Conquista,Bahia State,*** The personal hygiene and sanitation of donors were analyzed with the aim of identifying possible reasons for contamination of pumped *** samples as well as aliquots of unpasteurized and pasteurized milk from 30 participants were *** Enterococcus *** underwent a disk diffusion susceptibility test and molecular biology techniques to determine resistance and virulence *** Enterococcus *** identified in 30%of donors(n=9),and 11 specimens were *** to tetracycline was highly prevalent,being detectable in 63%of the isolates(n=7)and followed by intermediate sensitivity to ciprofloxacin,observed in 27%of the specimens(n=3).The efaA gene was found in 63%(n=7)of the isolates,while the ace gene was detected in 27%(n=3).CONCLUSION This study illustrates the importance of microbiological monitoring by Human Milk Banks and the need for alternatives to prevent the presence of Enterococcus *** hospital settings.

关键词： Enterococcus spp. Breast milk Virulence Human milk Pasteurization Antimicrobial resistanc

Performance of a serological IgM and IgG qualitative test for COVId-19 diagnosis:An experimental study in Brazil

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World Journal of Experimental Medicine 2022年第5期12卷 100-103页

作者： Fabrício Freire de Melo Lilian Martins Oliveira diniz JoséNélio Januário João Fernando Gonçalves Ferreira Rafael Santos dantas miranda dórea Breno Bittencourt de Brito Hanna Santos marques Fabian Fellipe Bueno Lemos Marcel Silva Luz Samuel Luca Rocha Pinheiro dulciene Maria de Magalhães Queiroz Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil departamento de Pediatria Universidade Federal de Minas GeraisBelo Horizonte 31270-901Brazil Núcleo de Ações e Pesquisa em Apoio diagnóstico Universidade Federal de Minas GeraisBelo Horizonte 31270-901Brazil Laboratory of Research in Bacteriology Universidade Federal de Minas GeraisBelo Horizonte 31270-901Brazil Laboratory of Bacteriology Faculdade de MedicinaUniversidade Federal de Minas GeraisBelo Horizonte 31270-901Brazil Campus Vitória da Conquista Universidade Estadual do Sudoeste da BahiaVitória da Conquista 45029-094Brazil

Qualitative antibody tests are an easy,point-of-care diagnostic method that is useful in diagnosing coronavirus disease 2019,especially in situations where reverse transcription-polymerase chain reaction is ***,some factors are able to affect its sensitivity and accuracy,which may contribute to these tests not being used as a first-line diagnostic tool.

关键词： Serological test IgM IgG COVId-19 diagnosis Antibody