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Background and Aim: Wheat bran (WB) is used extensively in animal feed. Despite its nutritional value, its use is limited because of its high-fiber content. We evaluated the effect of soybean oil on laying hen performance with maize meal partly replaced by WB. Materials and Methods: Thirty-six ISA Brown laying hens, 40 weeks old, were used in a completely randomized design in which laying hens were distributed in individual cages, with three replications of four birds and assigned to three treatments: T1 (basal diet), T2 (60% basal diet + 20% maize meal + 20% WB), and T3 (60% basal diet + 20% maize meal + 17.5% WB + 2.5% soybean oil). Results: Compared with the control group (T1), replacing 20% of yellow maize with WB (T2) did not affect average live weight, egg laying rate, soft-shelled egg production, egg mass, feed conversion per dozen eggs, or laying hen viability (p > 0.05). When 20% of the maize meal was replaced with WB, feed intake and feed conversion per egg mass increased (p < 0.05). Furthermore, adding 2.5% soybean oil to feed containing WB improved laying hen performance by significantly reducing feed conversion per egg mass (p < 0.05). Conclusion: Adding 2.5% soybean oil to diets containing WB instead of 17.5% yellow maize improved the feed conversion per egg mass performance of laying hens.

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The objective of this study was to analyze the acute effect of hyperoxia during the maximal treadmill test (MTT) of runners. Participants included 10 female street runners who performed the MTT under two different conditions: hyperoxia (HYPX), inhaling oxygen (60% O2) every 3 min; and normoxia (NORM), without additional oxygen inhalation. Both groups performed the MTT with increases in the slope of the run every 3 min until voluntary exhaustion. The variables of lactate concentration, the onset of blood lactate accumulation (OBLA), peripheral oxygen saturation (SpO2), heart rate (HR), and Borg scale were evaluated. It was verified after the comparison (HYPX vs. NORM) that stage 3 (p = 0.012, Cohen's d = 1.76) and stage 4 (p < 0.001; Cohen's d = 5.69) showed a reduction in lactate under the HYPX condition. OBLA under the HYPX condition was identified at a later stage than NORM. There were no differences in Borg scale, SpO2, and HR between the different conditions. It was concluded that the HYPX condition contributed to a reduction in lactate concentration and delayed OBLA in runners.

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INTRODUÇÃO: Entre pacientes diagnosticados e em tratamento para osteoporose, acredita-se que há desconhecimento geral sobre a doença. Entre os pacientes em faixa etária de risco, não diagnosticados, crê-se que o desconhecimento é maior. OBJETIVO: Avaliar as considerações de mulheres sobre o conceito da osteoporose e sua prevenção. MÉTODOS: Estudo qualitativo, descritivo, realizado no Hospital das Clínicas da Universidade Federal de Minas Gerais, Belo Horizonte, com 10 pacientes portadores de osteoporose, e 10 pacientes sem. A tabulação dos dados ocorreu por meio da utilização de três figuras metodológicas: ideia central, expressões chave e o discurso sujeito coletivo. O estudo foi aprovado pelo Comitê de Ética e Pesquisa com Seres Humanos. RESULTADOS: Dentre as pacientes com diagnóstico, destacou-se como ideias centrais a vulnerabilidade às fraturas e os conceitos de apresentação da doença como osteopenia e osteoporose. No grupo sem diagnóstico, 40% desconhecia a doença. Na prevenção, observou-se maior conhecimento no grupo portador da doença, sendo as ideias centrais destacadas: os exercícios físicos, alimentação rica em cálcio e vitamina D, além da exposição solar. CONCLUSÃO: Evidenciou-se um conhecimento limitado sobre a osteoporose e suas formas de prevenção, sobretudo no grupo sem diagnóstico, porém em faixa etária de risco. Assim, conclui-se que, tratando-se de uma doença de elevada prevalência, de altos custos orçamentários para a saúde pública, e com riscos significativos uma vez não diagnosticados e não tratada, medidas resolutivas de maior esclarecimento sobre a doença devem ser praticadas em todas as esferas da saúde pública.

INTRODUCTION: Among patients diagnosed and under treatment for osteoporosis, it is believed that there is general ignorance about the disease. Among undiagnosed patients at risk, it is believed that the lack of knowledge is larger. OBJECTIVE: To evaluate the considerations of women about the concept of osteoporosis and its prevention. METHODS: A qualitative, descriptive study was carried out at Hospital das Clínicas da Universidade Federal de Minas Gerais, Belo Horizonte, Brazil, with 10 patients with osteoporosis and 10 patients without the disease. Data tabulation occurred using three methodological figures: central idea, key expressions and collective subject discourse. The study was approved by the Committee of Ethics and Research with Human Beings. RESULTS: Among the diagnosed patients, the central ideas were vulnerability to fractures and the concepts of disease presentation like osteopenia and osteoporosis. In the undiagnosed group, 40% were unaware of the disease. About prevention, greater knowledge was observed in the group with the disease, with the main ideas being highlighted: physical exercises, calcium and vitamin D rich food, as well as sun exposure. CONCLUSION: There was limited knowledge about osteoporosis and its prevention, especially in the group without diagnosis, but in the age group at risk. Thus, it is concluded that, in the case of a disease of high prevalence, of high budgetary costs for public health, and with significant risks once it is undiagnosed and untreated, resolute measures of greater clarity about the disease should be practiced in all spheres of public health.

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Sudden sensorineural hearing loss is relatively frequent. In most cases, the etiology is not discovered. One of the possible causes for sudden deafness is inner labyrinth bleeding, which was difficult to diagnose before the advent of magnetic resonance imaging. The purpose of this paper is to report a case of sudden hearing loss caused by a labyrinthine hemorrhage, and to present a review of the literature on this topic.

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A surdez súbita sensorioneural é uma perda auditiva súbita ou rapidamente progressiva. Na maioria dos casos a etiologia não é descoberta. Uma das causas possíveis de surdez súbita é a hemorragia intralabiríntica que, antes do surgimento da ressonância magnética, não era corretamente diagnosticada. O objetivo deste trabalho é relatar um caso de surdez súbita causada por hemorragia intralabiríntica e realizar uma revisão da literatura sobre este assunto.

Sudden sensorineural hearing loss is relatively frequent. In most cases, the etiology is not discovered. One of the possible causes for sudden deafness is inner labyrinth bleeding, which was difficult to diagnose before the advent of magnetic resonance imaging. The purpose of this paper is to report a case of sudden hearing loss caused by a labyrinthine hemorrhage, and to present a review of the literature on this topic.

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Otospongiosis is an osteodystrophy of the temporal bone, characterized by disordered neoformation and deposition of bone, characterized by the presence of a progressive conductive, sensorineural or mixed hearing loss and tinnitus. Typically, otospongiosis presents as a slowly progressive conductive hearing loss in the third to fourth decade of life. Uncommonly children and adolescents may also have conductive or sensorineural hearing loss caused by otosclerosis. We describe a case of an 11-year-old patient, with progressive unilateral conductive hearing loss for 5 years. The otoscopic examination revealed a positive Schwartz's sign in the left ear. Audiometry, impedanciometry and CT scan showed characteristics that suggested otospongiosis. We reviewed clinical aspects, diagnosis and the therapeutic approach for otospongiosis in children.

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A otospongiose é uma osteodistrofia do osso temporal caracterizada pela reabsorção e neoformação óssea desordenada. Clinicamente, caracteriza-se por disacusia condutiva, neurossensorial, e/ou mista, progressiva e zumbidos. O início dos sintomas ocorre entre 30 e 40 anos de idade sendo rara sua manifestação na infância. Descrevemos o caso de um paciente de 11 anos de idade, com quadro de hipoacusia unilateral progressiva há 5 anos. O exame otorrinolaringológico revelou mancha rubra de Schwartze em orelha esquerda. A audiometria, imitanciometria e a tomografia computadorizada demonstraram características sugestivas de otospongiose. Realizamos uma revisão dos aspectos clínicos, diagnósticos e da conduta terapêutica da otospongiose na infância.

Otospongiosis is an osteodystrophy of the temporal bone, characterized by disordered neoformation and deposition of bone, characterized by the presence of a progressive conductive, sensorineural or mixed hearing loss and tinnitus. Typically, otospongiosis presents as a slowly progressive conductive hearing loss in the third to fourth decade of life. Uncommonly children and adolescents may also have conductive or sensorineural hearing loss caused by otosclerosis. We describe a case of an 11-year-old patient, with progressive unilateral conductive hearing loss for 5 years. The otoscopic examination revealed a positive Schwartz's sign in the left ear. Audiometry, impedanciometry and CT scan showed characteristics that suggested otospongiosis. We reviewed clinical aspects, diagnosis and the therapeutic approach for otospongiosis in children.

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Quarenta e três pacientes submeteram-se a timpanoplastia ou timpanomastoidectomia utilizando tecido cório-amniótico previamente tratado com hipoclorito de sódio e álcool etílico e estocados em glicerol puro para reparar perfuraçöes totais e subtotais da membrana timpânica, com acompanhamento pós-operatório variando entre 9 e 54 meses. Trinta e cinco pacientes (81,14 por cento) obtiveram fechamento da perfuraçäo timpânica. Esse sucesso anatômico se mostrou mais frequente nas timpanoplastias (84,8 por cento) que nas timpanomastoidectomias (70 por cento). No que respeita a resultados funcionais, entre os pacientes que obtiveram fechamento da perfuraçäo timpânica, 65,7 por cento apresentaram melhora no nível de audiçäo, 25,7 por cento permaneceram com os mesmos níveis pré-operatórios, em 8,57 por cento houve piora auditiva. Concluímos que o tecido cório-amniótico é uma boa opçäo para reconstruçäo timpânica.

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É apresentada uma revisäo sobre aspectos relacionados com a técnica cirúrgica da estapedotomia e uma breve análise comparativa entre seus resultados e os da estapedectomia

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