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- W2904742016 abstract "It is proposed that Helicobacter pylori can be responsible for the development of otitis media with effusion. The aim of this study is to investigate the prevalence of H. pylori in the adenoid tissue and fluid of the middle ear in patients who suffer from adenoid hyperplasia and otitis media with effusion in comparison with those who suffer from adenoid hyperplasia without otitis media with effusion. This is a case–control study that was carried out in 50 children of age 2–7 years old who were admitted with adenoid hyperplasia. Patients were divided into case and control groups. The study group included 25 patients with adenoid hyperplasia and otitis media with effusion and the control group included 25 patients with adenoid hyperplasia without otitis media with effusion. The patients in both groups underwent surgical adenoidectomy. For the case group we carried out myringotomy and placement of tympanostomy tube, and fluid samples were collected under sterile conditions. The samples were sent to the laboratory for polymerase chain reactions. In the case group H. pylori was found to be positive in 18 samples of the middle ear fluid (70%) and in 1 polymerase chain reaction adenoid tissue sample (4%). In the control group H. pylori was positive in 3 samples of adenoid tissues (12%). There was no gender difference. H. pylori is one of the important bacteria that plays a role in the pathogenesis of otitis media with effusion. Whether adenoid tissue may be a reservoir for H. Pylori is unclear. Propõe-se que o Helicobacter pylori possa ser responsável pelo desenvolvimento de otite média com efusão. Investigar a prevalência de H. pylori no tecido adenoideano e no fluido da orelha média em pacientes com hiperplasia de adenoide e otite média com efusão em comparação àqueles com hiperplasia de adenoide sem otite média com efusão. Este é um estudo de caso-controle feito em 50 crianças de 2 a 7 anos de idade, com sinais e sintomas de hiperplasia de adenoide. Os pacientes foram divididos em grupo de estudo e grupo controle. O grupo de estudo incluiu 25 pacientes com hiperplasia de adenoide e otite média com efusão e o grupo controle incluiu 25 pacientes com hiperplasia de adenoide sem otite média com efusão. Os pacientes dos dois grupos foram submetidos a adenoidectomia e, no grupo de estudo, realizou-se também miringotomia com colocação de tubo de ventilação e amostras de fluidos foram coletadas sob condições estéreis. As amostras foram enviadas para o laboratório, para investigação por reação de polimerase em cadeia. No grupo de estudo, houve positividade para H. pylori em 18 amostras do fluido de orelha média (70%) e uma amostra de tecido adenoideano foi positiva na reação de polimerase em cadeia (4%). No grupo controle, houve positividade para H. pylori em 3 amostras de tecido adenoideano (12%). Não houve diferença entre os gêneros. H. pylori é uma das bactérias importantes que desempenham um papel na patogênese da otite médica com efusão. Se o tecido adenoideano pode ou não representar um reservatório para H. pylori ainda necessita ser esclarecido." @default.
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- W2904742016 date "2020-03-01" @default.
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- W2904742016 title "Is there any association between Helicobacter pylori and otitis media with effusion?" @default.
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- W2904742016 doi "https://doi.org/10.1016/j.bjorl.2018.11.002" @default.
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