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[PMID]:29447196
[Au] Autor:Verani JR; Massora S; Acácio S; Dos Santos RT; Vubil D; Pimenta F; Moura I; Whitney CG; Costa MH; Macete E; Matsinhe MB; Carvalho MDG; Sigaúque B
[Ad] Endereço:Respiratory Diseases Branch, National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, United States of America.
[Ti] Título:Nasopharyngeal carriage of Streptococcus pneumoniae among HIV-infected and -uninfected children <5 years of age before introduction of pneumococcal conjugate vaccine in Mozambique.
[So] Source:PLoS One;13(2):e0191113, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Nasopharyngeal carriage is a precursor for pneumococcal disease and can be useful for evaluating pneumococcal conjugate vaccine (PCV) impact. We studied pre-PCV pneumococcal carriage among HIV-infected and -uninfected children in Mozambique. Between October 2012 and March 2013, we enrolled HIV-infected children age <5 years presenting for routine care at seven HIV clinics in 3 sites, including Maputo (urban-south), Nampula (urban-north), and Manhiça (rural-south). We also enrolled a random sample of HIV-uninfected children <5 years old from a demographic surveillance site in Manhiça. A single nasopharyngeal swab was obtained and cultured following enrichment in Todd Hewitt broth with yeast extract and rabbit serum. Pneumococcal isolates were serotyped by Quellung reaction and multiplex polymerase chain reaction. Factors associated with pneumococcal carriage were examined using logistic regression. Overall pneumococcal carriage prevalence was 80.5% (585/727), with similar prevalences among HIV-infected (81.5%, 339/416) and HIV-uninfected (79.1%, 246/311) children, and across age strata. Among HIV-infected, after adjusting for recent antibiotic use and hospitalization, there was no significant association between study site and colonization: Maputo (74.8%, 92/123), Nampula (83.7%, 82/98), Manhiça (84.6%, 165/195). Among HIV-uninfected, report of having been born to an HIV-infected mother was not associated with colonization. Among 601 pneumococcal isolates from 585 children, serotypes 19F (13.5%), 23F (13.1%), 6A (9.2%), 6B (6.2%) and 19A (5.2%) were most common. The proportion of serotypes included in the 10- and 13-valent vaccines was 44.9% and 61.7%, respectively, with no significant differences by HIV status or age group. Overall 36.9% (n = 268) of children were colonized with a PCV10 serotype and 49.7% (n = 361) with a PCV13 serotype. Pneumococcal carriage was common, with little variation by geographic region, age, or HIV status. PCV10 was introduced in April 2013; ongoing carriage studies will examine the benefits of PCV10 among HIV-infected and-uninfected children.
[Mh] Termos MeSH primário: Infecções Pneumocócicas/imunologia
Vacinas Pneumocócicas/administração & dosagem
Vacinas Pneumocócicas/uso terapêutico
[Mh] Termos MeSH secundário: Portador Sadio/epidemiologia
Pré-Escolar
Feminino
Infecções por HIV/imunologia
Infecções por HIV/microbiologia
Seres Humanos
Lactente
Recém-Nascido
Masculino
Testes de Sensibilidade Microbiana/métodos
Moçambique/epidemiologia
Nasofaringe/imunologia
Infecções Pneumocócicas/fisiopatologia
Prevalência
População Rural
Sorogrupo
Streptococcus pneumoniae/imunologia
Streptococcus pneumoniae/patogenicidade
Vacinas Conjugadas/administração & dosagem
Vacinas Conjugadas/uso terapêutico
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (10-valent pneumococcal conjugate vaccine); 0 (Pneumococcal Vaccines); 0 (Vaccines, Conjugate)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180216
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191113


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[PMID]:29458688
[Au] Autor:Mitchell SL; Chang YC; Feemster K; Cárdenas AM
[Ad] Endereço:1​Clinical Microbiology Laboratory, Children's Hospital of Pittsburgh of UPMC and Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
[Ti] Título:Implementation of a rapid influenza A/B and RSV direct molecular assay improves emergency department oseltamivir use in paediatric patients.
[So] Source:J Med Microbiol;67(3):358-363, 2018 Mar.
[Is] ISSN:1473-5644
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:PURPOSE: Influenza A virus (FluA), influenza B virus (FluB) and respiratory syncytial virus (RSV) illnesses increase hospitalizations during seasonal epidemics. METHODOLOGY: To determine the utility of the Simplexa FluA/B & RSV Direct Assay (Direct Flu/RSV) and its impact on oseltamivir use, we offered this assay to emergency department (ED) patients with influenza-like illness. RESULTS: Utilization of the Direct Flu/RSV provided a turnaround time (TAT) of 2 hours. Compared to the flu season prior to implementation of the Direct Flu/RSV, clinicians were more likely to prescribe 5 days of oseltamivir therapy for Direct Flu/RSV-positive patients in comparison to those with a negative test. CONCLUSIONS: Use of Direct Flu/RSV provides results rapidly, which leads to more appropriate use of oseltamivir. The ease of use of this assay and quick TAT allows for prompt decision-making, which is essential for patient care and effective disease control during the influenza season.
[Mh] Termos MeSH primário: Antivirais/uso terapêutico
Influenza Humana/diagnóstico
Influenza Humana/tratamento farmacológico
Técnicas de Diagnóstico Molecular
Oseltamivir/uso terapêutico
Infecções por Vírus Respiratório Sincicial/diagnóstico
[Mh] Termos MeSH secundário: Antivirais/administração & dosagem
Criança
Saúde da Criança
Pré-Escolar
Serviço Hospitalar de Emergência
Feminino
Seres Humanos
Vírus da Influenza A/genética
Vírus da Influenza A/isolamento & purificação
Vírus da Influenza B/genética
Vírus da Influenza B/isolamento & purificação
Influenza Humana/virologia
Masculino
Nasofaringe/virologia
Oseltamivir/administração & dosagem
Kit de Reagentes para Diagnóstico
Reação em Cadeia da Polimerase em Tempo Real
Infecções por Vírus Respiratório Sincicial/virologia
Vírus Sinciciais Respiratórios/genética
Vírus Sinciciais Respiratórios/isolamento & purificação
Sensibilidade e Especificidade
Resultado do Tratamento
Viroses/diagnóstico
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antiviral Agents); 0 (Reagent Kits, Diagnostic); 20O93L6F9H (Oseltamivir)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180221
[St] Status:MEDLINE
[do] DOI:10.1099/jmm.0.000676


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[PMID]:29458556
[Au] Autor:Abdel-Moneim AS; Soliman MS; Kamel MM; El-Kholy AA
[Ad] Endereço:1​Microbiology Department, College of Medicine, Taif University, Al-Taif 21944, Saudi Arabia.
[Ti] Título:Sequence analysis of the G gene of hRSVA ON1 genotype from Egyptian children with acute respiratory tract infections.
[So] Source:J Med Microbiol;67(3):387-391, 2018 Mar.
[Is] ISSN:1473-5644
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Human respiratory syncytial virus causes severe lower respiratory tract infection in neonates and children. Genotype ON1, with duplication of 72-nt in the G gene, was first detected in Canada and then recorded in other countries. In the current study, we describe the first detection of the ON1 genotype among children in Egypt in 2014/2015. Sequence analysis of the full-attachment G gene revealed that the majority of the strains examined were related to the ON1 genotype and only one sample related to N1 genotype. The Egyptian ON1 strains showed unique non-silent mutations in addition to variable mutations near the antigenic sites in comparison to the original ON1 ancestor strain. Continuous surveillance of hRSV regionally and globally is needed to understand the evolutionary mechanisms and strategies adopted by hRSV and their inducers for better adaption to the host.
[Mh] Termos MeSH primário: Infecções por Vírus Respiratório Sincicial/virologia
Vírus Sincicial Respiratório Humano/genética
Infecções Respiratórias/virologia
Proteínas Virais de Fusão/genética
[Mh] Termos MeSH secundário: Canadá/epidemiologia
Pré-Escolar
Egito/epidemiologia
Evolução Molecular
Feminino
Genótipo
Seres Humanos
Lactente
Masculino
Mutação
Nasofaringe/virologia
Filogenia
Infecções por Vírus Respiratório Sincicial/epidemiologia
Vírus Sincicial Respiratório Humano/isolamento & purificação
Infecções Respiratórias/epidemiologia
Alinhamento de Sequência
Análise de Sequência de DNA
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (G glycoprotein, Respiratory syncytial virus); 0 (Viral Fusion Proteins)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180221
[St] Status:MEDLINE
[do] DOI:10.1099/jmm.0.000699


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[PMID]:28449969
[Au] Autor:Le Doare K; Faal A; Jaiteh M; Sarfo F; Taylor S; Warburton F; Humphries H; Birt J; Jarju S; Darboe S; Clarke E; Antonio M; Foster-Nyarko E; Heath PT; Gorringe A; Kampmann B
[Ad] Endereço:Centre for International Child Health, Imperial College London, Norfolk Place, London W2 1PG, UK,; Paediatric Infectious Diseases Research Group, St. George's University of London, Cranmer Terrace, London SW17 0TE, UK; Vaccines & Immunity Theme, MRC Unit The Gambia, Atlantic Road, Fajara, Gambia
[Ti] Título:Association between functional antibody against Group B Streptococcus and maternal and infant colonization in a Gambian cohort.
[So] Source:Vaccine;35(22):2970-2978, 2017 05 19.
[Is] ISSN:1873-2518
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Vertical transmission of Group B Streptococcus (GBS) is a prerequisite for early-onset disease and a consequence of maternal GBS colonization. Disease protection is associated with maternally-derived anti-GBS antibody. Using a novel antibody-mediated C3b/iC3b deposition flow cytometry assay which correlates with opsonic killing we developed a model to assess the impact of maternally-derived functional anti-GBS antibody on infant GBS colonization from birth to day 60-89 of life. METHODS: Rectovaginal swabs and cord blood (birth) and infant nasopharyngeal/rectal swabs (birth, day 6 and day 60-89) were obtained from 750 mother/infant pairs. Antibody-mediated C3b/iC3b deposition with cord and infant sera was measured by flow cytometry. RESULTS: We established that as maternally-derived anti-GBS functional antibody increases, infant colonization decreases at birth and up to three months of life, the critical time window for the development of GBS disease. Further, we observed a serotype (ST)-dependent threshold above which no infant was colonized at birth. Functional antibody above the upper 95th confidence interval for the geometric mean concentration was associated with absence of infant GBS colonization at birth for STII (p<0.001), STIII (p=0.01) and STV (p<0.001). Increased functional antibody was also associated with clearance of GBS between birth and day 60-89. CONCLUSIONS: Higher concentrations of maternally-derived antibody-mediated complement deposition are associated with a decreased risk of GBS colonization in infants up to day 60-89 of life. Our findings are of relevance to establish thresholds for protection following vaccination of pregnant women with future GBS vaccines.
[Mh] Termos MeSH primário: Anticorpos Antibacterianos/imunologia
Imunidade Materno-Adquirida
Transmissão Vertical de Doença Infecciosa
Infecções Estreptocócicas/imunologia
Streptococcus/crescimento & desenvolvimento
Streptococcus/imunologia
[Mh] Termos MeSH secundário: Adulto
Anticorpos Antibacterianos/sangue
Portador Sadio
Criança
Pré-Escolar
Estudos de Coortes
Complemento C3b/imunologia
Feminino
Sangue Fetal/imunologia
Citometria de Fluxo
Gâmbia/epidemiologia
Seres Humanos
Técnicas Imunológicas
Lactente
Recém-Nascido
Estudos Longitudinais
Mães
Nasofaringe/microbiologia
Proteínas Opsonizantes
Gravidez
Complicações Infecciosas na Gravidez/microbiologia
Infecções Estreptocócicas/epidemiologia
Infecções Estreptocócicas/transmissão
Streptococcus/classificação
Streptococcus/isolamento & purificação
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Antibodies, Bacterial); 0 (Opsonin Proteins); 80295-43-8 (Complement C3b)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180308
[Lr] Data última revisão:
180308
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE


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[PMID]:29280877
[Au] Autor:Lesciotto KM; Heuzé Y; Wang Jabs E; Bernstein JM; Richtsmeier JT
[Ad] Endereço:University Park, Pa.; New York, N.Y.; and Pessac, France From the Department of Anthropology, Pennsylvania State University; the Departments of Genetics and Genomic Sciences and Otolaryngology, Icahn School of Medicine at Mount Sinai; and the University of Bordeaux, Bordeaux Archaeological Sciences Cluster of Excellence.
[Ti] Título:Choanal Atresia and Craniosynostosis: Development and Disease.
[So] Source:Plast Reconstr Surg;141(1):156-168, 2018 01.
[Is] ISSN:1529-4242
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A number of textbooks, review articles, and case reports highlight the potential comorbidity of choanal atresia in craniosynostosis patients. However, the lack of a precise definition of choanal atresia within the current craniosynostosis literature and widely varying methods of detection and diagnosis have produced uncertainty regarding the true coincidence of these conditions. The authors review the anatomy and embryologic basis of the human choanae, provide an overview of choanal atresia, and analyze the available literature that links choanal atresia and craniosynostosis. Review of over 50 case reports that describe patients diagnosed with both conditions reveals inconsistent descriptions of choanal atresia and limited use of definitive diagnostic methodologies. The authors further present preliminary analysis of three-dimensional medical head computed tomographic scans of children diagnosed with craniosynostosis syndromes (e.g., Apert, Pfeiffer, Muenke, and Crouzon) and typically developing children and, although finding no evidence of choanal atresia, report the potentially reduced nasal airway volumes in children diagnosed with Apert and Pfeiffer syndromes. A recent study of the Fgfr2c Crouzon/Pfeiffer syndrome mouse model similarly found a significant reduction in nasal airway volumes in littermates carrying this FGFR2 mutation relative to unaffected littermates, without detection of choanal atresia. The significant correlation between specific craniosynostosis syndromes and reduced nasal airway volume in mouse models for craniosynostosis and human pediatric patients indicates comorbidity of choanal and nasopharyngeal dysmorphologies and craniosynostosis conditions. Genetic, developmental, and epidemiologic sources of these interactions are areas particularly worthy of further research.
[Mh] Termos MeSH primário: Anormalidades Múltiplas
Atresia das Cóanas
Craniossinostoses
[Mh] Termos MeSH secundário: Anormalidades Múltiplas/diagnóstico
Anormalidades Múltiplas/embriologia
Anormalidades Múltiplas/genética
Animais
Atresia das Cóanas/diagnóstico
Atresia das Cóanas/embriologia
Atresia das Cóanas/genética
Craniossinostoses/diagnóstico
Craniossinostoses/embriologia
Craniossinostoses/genética
Marcadores Genéticos
Seres Humanos
Camundongos
Mutação
Nasofaringe/anormalidades
Nasofaringe/anatomia & histologia
Nasofaringe/embriologia
Receptor Tipo 2 de Fator de Crescimento de Fibroblastos/genética
Síndrome
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW
[Nm] Nome de substância:
0 (Genetic Markers); EC 2.7.10.1 (FGFR2 protein, human); EC 2.7.10.1 (Fgfr2 protein, mouse); EC 2.7.10.1 (Receptor, Fibroblast Growth Factor, Type 2)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180307
[Lr] Data última revisão:
180307
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:171228
[St] Status:MEDLINE
[do] DOI:10.1097/PRS.0000000000003928


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[PMID]:28464897
[Au] Autor:Arzt J; Pacheco JM; Stenfeldt C; Rodriguez LL
[Ad] Endereço:Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Greenport, NY, USA. Jonathan.Arzt@ars.usda.gov.
[Ti] Título:Pathogenesis of virulent and attenuated foot-and-mouth disease virus in cattle.
[So] Source:Virol J;14(1):89, 2017 05 02.
[Is] ISSN:1743-422X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Understanding the mechanisms of attenuation and virulence of foot-and-mouth disease virus (FMDV) in the natural host species is critical for development of next-generation countermeasures such as live-attenuated vaccines. Functional genomics analyses of FMDV have identified few virulence factors of which the leader proteinase (L ) is the most thoroughly investigated. Previous work from our laboratory has characterized host factors in cattle inoculated with virulent FMDV and attenuated mutant strains with transposon insertions within L . METHODS: In the current study, the characteristics defining virulence of FMDV in cattle were further investigated by comparing the pathogenesis of a mutant, attenuated strain (FMDV-Mut) to the parental, virulent virus from which the mutant was derived (FMDV-WT). The only difference between the two viruses was an insertion mutation in the inter-AUG region of the leader proteinase of FMDV-Mut. All cattle were infected by simulated-natural, aerosol inoculation. RESULTS: Both viruses were demonstrated to establish primary infection in the nasopharyngeal mucosa with subsequent dissemination to the lungs. Immunomicroscopic localization of FMDV antigens indicated that both viruses infected superficial epithelial cells of the nasopharynx and lungs. The critical differences between the two viruses were a more rapid establishment of infection by FMDV-WT and quantitatively greater virus loads in secretions and infected tissues compared to FMDV-Mut. The slower replicating FMDV-Mut established a subclinical infection that was limited to respiratory epithelial sites, whereas the faster replication of FMDV-WT facilitated establishment of viremia, systemic dissemination of infection, and clinical disease. CONCLUSION: The mutant FMDV was capable of achieving all the same early pathogenesis landmarks as FMDV-WT, but was unable to establish systemic infection. The precise mechanism of attenuation remains undetermined; but current data suggests that the impaired replication of the mutant is more responsible for attenuation than differences in host immunological factors. These results complement previous studies by providing data of high-granularity describing tissue-specific tropism of FMDV and by demonstrating microscopic localization of virulent and attenuated clones of the same field-strain FMDV.
[Mh] Termos MeSH primário: Doenças dos Bovinos/virologia
Vírus da Febre Aftosa/patogenicidade
Febre Aftosa/virologia
Virulência
[Mh] Termos MeSH secundário: Aerossóis
Animais
Bovinos
Células Epiteliais/patologia
Células Epiteliais/virologia
Febre Aftosa/imunologia
Febre Aftosa/patologia
Vírus da Febre Aftosa/genética
Vírus da Febre Aftosa/crescimento & desenvolvimento
Vírus da Febre Aftosa/isolamento & purificação
Pulmão/virologia
Mutagênese Insercional
Nasofaringe/patologia
Nasofaringe/virologia
RNA Viral/isolamento & purificação
Vacinas Atenuadas/imunologia
Proteínas Estruturais Virais
Fatores de Virulência
Replicação Viral
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Nm] Nome de substância:
0 (Aerosols); 0 (RNA, Viral); 0 (Vaccines, Attenuated); 0 (Viral Structural Proteins); 0 (Virulence Factors)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180213
[Lr] Data última revisão:
180213
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170504
[St] Status:MEDLINE
[do] DOI:10.1186/s12985-017-0758-9


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[PMID]:29381996
[Au] Autor:Zhang WL; Ma S; Havrilla L; Cai L; Yu CQ; Shen S; Xu HT; Wang L; Yu JH; Lin XY; Wang E; Yang LH
[Ad] Endereço:Department of Pathology, First Affiliated Hospital and College of Basic Medical Sciences, China Medical University.
[Ti] Título:Primary thyroid-like low-grade nasopharyngeal papillary adenocarcinoma: A case report and literature review.
[So] Source:Medicine (Baltimore);96(47):e8851, 2017 Nov.
[Is] ISSN:1536-5964
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:RATIONALE: Primary thyroid-like low-grade nasopharyngeal papillary adenocarcinoma (TL-LGNPPA) is an extremely rare malignant nasopharyngeal tumor with features resembling papillary thyroid carcinoma including nuclear positive expression of thyroid transcription factor-1 (TTF-1). PATIENT CONCERNS: A 64-year-old male presented with nasal bleeding and a foreign body sensation of the nasopharynx. Laryngoscopy revealed a 2.0-cm broad-based mass with a smooth surface on the posterior wall of the nasopharynx. A biopsy was obtained. DIAGNOSES: Histopathologic examination demonstrated tumor cells arranged in both papillary and glandular architecture. The tumor cells express nuclear immunoreactivity for TTF-1. The diagnosis of TL-LGNPPA was made. INTERVENTIONS: After the patient was diagnosed with TL-LGNPPA, he underwent complete surgical resection. OUTCOMES: There was no recurrence or evidence of metastatic disease at the 12-month follow-up. LESSONS: TL-LGNPPA is easy to misdiagnose as metastatic papillary thyroid carcinoma or other relative primary adenocarcinomas. It is important to have a broad differential diagnosis and know the key features of each entity because the prognosis and clinical treatment of each may differ.
[Mh] Termos MeSH primário: Adenocarcinoma Papilar/patologia
Neoplasias Nasofaríngeas/patologia
[Mh] Termos MeSH secundário: Adenocarcinoma Papilar/diagnóstico
Carcinoma Papilar/diagnóstico
Diagnóstico Diferencial
Seres Humanos
Imuno-Histoquímica
Masculino
Meia-Idade
Neoplasias Nasofaríngeas/diagnóstico
Nasofaringe/patologia
Neoplasias da Glândula Tireoide/diagnóstico
Fator Nuclear 1 de Tireoide/metabolismo
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE; REVIEW
[Nm] Nome de substância:
0 (Thyroid Nuclear Factor 1)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180209
[Lr] Data última revisão:
180209
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:180201
[St] Status:MEDLINE
[do] DOI:10.1097/MD.0000000000008851


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[PMID]:29369187
[Au] Autor:Zeng G; Teng Y; Zhu J; Zhu D; Yang B; Hu L; Chen M; Fu X
[Ad] Endereço:Department of Otorhinolaryngology Head and Neck Surgery.
[Ti] Título:Clinical application of MRI-respiratory gating technology in the evaluation of children with obstructive sleep apnea hypopnea syndrome.
[So] Source:Medicine (Baltimore);97(4):e9680, 2018 Jan.
[Is] ISSN:1536-5964
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The objective of the present study was to investigate the clinical application of magnetic resonance imaging (MRI)-respiratory gating technology for assessing illness severity in children with obstructive sleep apnea hypopnea syndrome (OSAHS).MRI-respiratory gating technology was used to scan the nasopharyngeal cavities of 51 children diagnosed with OSAHS during 6 respiratory phases. Correlations between the ratio of the area of the adenoid to the area of the nasopalatine pharyngeal cavity (Sa/Snp), with the main indexes of polysomnography (PSG), were analyzed. Receiver operator characteristic (ROC) curve and Kappa analysis were used to determine the diagnostic accuracy of Sa/Snp in pediatric OSAHS.The Sa/Snp was positively correlated with the apnea hypopnea index (AHI) (P < .001) and negatively correlated with the lowest oxygen saturation of blood during sleep (LaSO2) (P < .001). ROC analysis in the 6 respiratory phases showed that the area under the curve (AUC) of the Sa/Snp in the end-expiratory phase was the largest (0.992, P < .001), providing a threshold of 69.5% for the diagnosis of severe versus slight-moderate OSAHS in children. Consistency analysis with the AHI showed a diagnosis accordance rate of 96.0% in severe pediatric OSAHS and 96.2% in slight-moderate pediatric OSAHS (Kappa = 0.922, P < .001).Stenosis of the nasopalatine pharyngeal cavity in children with adenoidal hypertrophy was greatest at the end-expiration phase during sleep. The end-expiratory Sa/Snp obtained by a combination of MRI and respiratory gating technology has potential as an important imaging index for diagnosing and evaluating severity in pediatric OSAHS.
[Mh] Termos MeSH primário: Imagem por Ressonância Magnética/métodos
Técnicas de Imagem de Sincronização Respiratória/métodos
Apneia Obstrutiva do Sono/diagnóstico por imagem
[Mh] Termos MeSH secundário: Tonsila Faríngea/diagnóstico por imagem
Tonsila Faríngea/fisiopatologia
Adolescente
Área Sob a Curva
Criança
Pré-Escolar
Feminino
Seres Humanos
Masculino
Nasofaringe/diagnóstico por imagem
Nasofaringe/fisiopatologia
Polissonografia
Curva ROC
Respiração
Índice de Gravidade de Doença
Sono
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180208
[Lr] Data última revisão:
180208
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:180126
[St] Status:MEDLINE
[do] DOI:10.1097/MD.0000000000009680


  9 / 7714 MEDLINE  
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[PMID]:29262446
[Au] Autor:Si JY; Weng JJ; Zhang BJ; Lan GP; Yang Y; Huang B; Wang YL; Qin Y; Li B; Han X; Xiong WM; Si YF
[Ad] Endereço:Department of Otorhinolaryngology Head and Neck Oncology, People's Hospital of Guangxi Zhuang Autonomous Region, 530021 Nanning, China.
[Ti] Título:[Diagnostic value of narrow-band imaging in detection of recurrent nasopharyngeal carcinoma].
[So] Source:Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi;52(12):895-899, 2017 Dec 07.
[Is] ISSN:1673-0860
[Cp] País de publicação:China
[La] Idioma:chi
[Ab] Resumo:To evaluate the diagnostic value and feasibility of narrow-band imaging in detection of recurrent nasopharyngeal carcinoma (NPC). One thousand three hundred and sixty-four NPC patients who had completed NPC treatment were enrolled. All patients were followed-up with imaging, serological examination of EB virus and nasopharyngeal endoscopy(WL and NBI mode), in which (1) both white light (WL) and NBI modes were done; (2) positive endoscopic patients were given nasopharyngeal biopsy; (3) using histologic finding as criterion standard, the sensitivity, specificity, accuracy and Yonden's index of two modes were compared. Kappa index was used to evaluate the consistency between the two modes and pathological results respectively; (4) the positive rates of WL and NBI in patients with early recurrent (stage â… + â…¡) were compared. A total of 265 cases were suspected as having recurrent lesions by endoscopy in WL mode and 68 cases of them were pathologically diagnosed as having NPC; and 82 cases were suspected as having recurrent lesions by endoscopy in NBI mode and 74 cases of them were pathologically diagnosed as having NPC. The sensitivity, specificity, accuracy and Yonden's index of WL mode were 91.89%, 0, 25.09% and -0.0811, respectively, with a kappa of -0.045; the sensitivity, specificity, accuracy and Yonden's index of NBI mode were 100.00%, 95.94%, 97.05% and 0.9594, respectively. NBI has higher sensitivity, specificity, early diagnosis rate and Yonden's index than WL.
[Mh] Termos MeSH primário: Carcinoma/diagnóstico por imagem
Imagem de Banda Estreita
Neoplasias Nasofaríngeas/diagnóstico por imagem
Recidiva Local de Neoplasia/diagnóstico por imagem
[Mh] Termos MeSH secundário: Biópsia
Carcinoma/patologia
Diagnóstico Precoce
Endoscopia/métodos
Estudos de Viabilidade
Seguimentos
Herpesvirus Humano 4/isolamento & purificação
Seres Humanos
Luz
Neoplasias Nasofaríngeas/patologia
Nasofaringe/patologia
Sensibilidade e Especificidade
[Pt] Tipo de publicação:EVALUATION STUDIES; JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180207
[Lr] Data última revisão:
180207
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171221
[St] Status:MEDLINE
[do] DOI:10.3760/cma.j.issn.1673-0860.2017.12.004


  10 / 7714 MEDLINE  
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Baracat, Emílio Carlos Elias
Tresoldi, Antonia Teresinha
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[PMID]:29253610
[Au] Autor:Alvarez AE; Marson FAL; Bertuzzo CS; Bastos JCS; Baracat ECE; Brandão MB; Tresoldi AT; das Neves Romaneli MT; Almeida CCB; de Oliveira T; Schlodtmann PG; Corrêa E; de Miranda MLF; Dos Reis MC; De Pieri JV; Arns CW; Ribeiro JD
[Ad] Endereço:Department of Pediatrics, Faculty of Medical Sciences, University of Campinas, Rua Tessália Vieira de Camargo, 126, Cidade Universitária Zeferino Vaz, Campinas CEP 13083-887, São Paulo, Brazil. Electronic address: alfonso@cepap.med.br.
[Ti] Título:Association between single nucleotide polymorphisms in TLR4, TLR2, TLR9, VDR, NOS2 and CCL5 genes with acute viral bronchiolitis.
[So] Source:Gene;645:7-17, 2018 Mar 01.
[Is] ISSN:1879-0038
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Acute viral bronchiolitis is the leading cause of hospitalization among infants during the first year of life. Most infants hospitalized for bronchiolitis do not present risk factors and are otherwise healthy. Our objective was to determine the genetic features associated with the risk and a severe course of bronchiolitis. METHODS: We prospectively evaluated 181 infants with severe bronchiolitis admitted at three hospitals over a 2-year period, who required oxygen therapy. The control group consisted of 536 healthy adults. Patients were evaluated for the presence of comorbidities (premature birth, chronic respiratory disease, and congenital heart disease), underwent nasopharyngeal aspirate testing for virus detection by multiplex-PCR, and SNPs identification in immune response genes. Patient outcomes were assessed. RESULTS: We observed association between SNP rs2107538*CCL5 and bronchiolitis caused by respiratory syncytial virus(RSV) and RSV-subtype-A, and between rs1060826*NOS2 and bronchiolitis caused by rhinovirus. SNPs rs4986790*TLR4, rs1898830*TLR2, and rs2228570*VDR were associated with progression to death. SNP rs7656411*TLR2 was associated with length of oxygen use; SNPs rs352162*TLR9, rs187084*TLR9, and rs2280788*CCL5 were associated with requirement for intensive care unit admission; while SNPs rs1927911*TLR4, rs352162*TLR9, and rs2107538*CCL5 were associated with the need for mechanical ventilation. CONCLUSIONS: Our findings provide some evidence that SNPs in CCL5 and NOS2 are associated with presence of bronchiolitis and SNPs in TLR4, TLR2, TLR9, VDR and CCL5 are associated with severity of bronchiolitis.
[Mh] Termos MeSH primário: Bronquiolite Viral/genética
Quimiocina CCL5/genética
Óxido Nítrico Sintase Tipo II/genética
Polimorfismo de Nucleotídeo Único
Receptores de Calcitriol/genética
Receptores Toll-Like/genética
[Mh] Termos MeSH secundário: Bronquiolite Viral/virologia
Progressão da Doença
Feminino
Estudos de Associação Genética
Predisposição Genética para Doença
Seres Humanos
Lactente
Recém-Nascido
Masculino
Nasofaringe/virologia
Estudos Retrospectivos
Receptor 2 Toll-Like/genética
Receptor 4 Toll-Like/genética
Receptor Toll-Like 9/genética
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (CCL5 protein, human); 0 (Chemokine CCL5); 0 (Receptors, Calcitriol); 0 (TLR2 protein, human); 0 (TLR4 protein, human); 0 (TLR9 protein, human); 0 (Toll-Like Receptor 2); 0 (Toll-Like Receptor 4); 0 (Toll-Like Receptor 9); 0 (Toll-Like Receptors); 0 (VDR protein, human); EC 1.14.13.39 (NOS2 protein, human); EC 1.14.13.39 (Nitric Oxide Synthase Type II)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180129
[Lr] Data última revisão:
180129
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171219
[St] Status:MEDLINE



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