Objetiva-se comparar a prevalência de cesariana e desfechos neonatais de dois modelos de atenção ao parto em hospitais privados brasileiros, utilizando-se dados do estudo Nascer no Brasil, coorte de base hospitalar realizada nos anos 2011/2012. Foram analisadas 1.664 puérperas e seus conceptos, atendidos em 13 hospitais localizados na Região Sudeste, divididos em “típico” – modelo de atenção padrão, e “atípico” – Hospital Amigo da Criança com equipes de plantão e trabalho colaborativo entre enfermeiras obstétricas e médicos na atenção ao parto. A classificação de Robson foi adotada para a comparação das prevalências de cesariana, que foram menores no hospital atípico (47,8% vs. 90,8%, p < 0,001). Desfechos positivos relativos ao aleitamento materno foram mais frequentes no hospital atípico. Eventos neonatais adversos não apresentaram diferença significativa entre os hospitais. A intervenção adotada no hospital atípico deve ser avaliada em profundidade, uma vez que parece ter reduzido a prevalência de cesariana e aumentado as boas práticas de cuidado neonatal.

This study aims at comparing caesarean section rates and neonatal outcomes of two perinatal models of care provided in private hospitals in Brazil. Birth in Brazil data, a national hospital-based cohort conducted in the years 2011/2012 was used. We analysed 1,664 postpartum women and their offspring attended at 13 hospitals located in the South-east region of Brazil, divided into a "typical” – standard care model and "atypical" – Baby-Friendly hospital with collaborative practices between nurse-midwives and obstetricians on duty to attend deliveries in an alternative labour ward. The Robson’s classification system was used to compare caesarean sections, which was lower in the atypical hospital (47.8% vs. 90.8%, p < 0.001). Full term birth, early skin-to-skin contact, breastfeeding in the first hour, rooming-in care, and discharge in exclusive breastfeeding were more frequent in the atypical hospital. Neonatal adverse outcome did not differ significantly between hospitals. The atypical hospital’s intervention should be further evaluated since it might reduce caesarean section prevalence and increase good practices in neonatal care.

El objetivo de este estudio es comparar la tasa de cesárea y los resultados neonatales de dos modelos de atención al parto en hospitales privados en Brasil. Se utilizaron datos de la encuesta Nacer en Brasil, una cohorte de base hospitalaria durante los años 2011/2012. Se analizaron a 1.664 madres y a sus recién nacidos en 13 hospitales de la región sureste, divididos en "típico" -modelo de atención estándar- y "atípico" -Hospital Amigo del Niño-, con atención al parto por equipos de turno integrados por médicos y parteras. Se adoptó la clasificación de Robson con el fin comparar las tasas de cesárea, que fueron inferiores en el hospital atípico (47,8% vs. 90,8%, p < 0,001). Los resultados positivos relacionados con la lactancia materna fueron más frecuentes en el hospital atípico. Los eventos adversos neonatales no difirieron significativamente entre los hospitales. La intervención utilizada en el hospital atípico se debe evaluar en profundidad, ya que parece haber reducido la prevalencia de la cesárea y aumentado las mejores prácticas de atención neonatal.

Objetiva-se comparar a prevalência de cesariana e desfechos neonatais de dois modelos de atenção ao parto em hospitais privados brasileiros, utilizando-se dados do estudo Nascer no Brasil, coorte de base hospitalar realizada nos anos 2011/2012. Foram analisadas 1.664 puérperas e seus conceptos, atendidos em 13 hospitais localizados na Região Sudeste, divididos em “típico” – modelo de atenção padrão, e “atípico” – Hospital Amigo da Criança com equipes de plantão e trabalho colaborativo entre enfermeiras obstétricas e médicos na atenção ao parto. A classificação de Robson foi adotada para a comparação das prevalências de cesariana, que foram menores no hospital atípico (47,8% vs. 90,8%, p < 0,001). Desfechos positivos relativos ao aleitamento materno foram mais frequentes no hospital atípico. Eventos neonatais adversos não apresentaram diferença significativa entre os hospitais. A intervenção adotada no hospital atípico deve ser avaliada em profundidade, uma vez que parece ter reduzido a prevalência de cesariana e aumentado as boas práticas de cuidado neonatal.

This study aims at comparing caesarean section rates and neonatal outcomes of two perinatal models of care provided in private hospitals in Brazil. Birth in Brazil data, a national hospital-based cohort conducted in the years 2011/2012 was used. We analysed 1,664 postpartum women and their offspring attended at 13 hospitals located in the South-east region of Brazil, divided into a "typical” – standard care model and "atypical" – Baby-Friendly hospital with collaborative practices between nurse-midwives and obstetricians on duty to attend deliveries in an alternative labour ward. The Robson’s classification system was used to compare caesarean sections, which was lower in the atypical hospital (47.8% vs. 90.8%, p < 0.001). Full term birth, early skin-to-skin contact, breastfeeding in the first hour, rooming-in care, and discharge in exclusive breastfeeding were more frequent in the atypical hospital. Neonatal adverse outcome did not differ significantly between hospitals. The atypical hospital’s intervention should be further evaluated since it might reduce caesarean section prevalence and increase good practices in neonatal care.

El objetivo de este estudio es comparar la tasa de cesárea y los resultados neonatales de dos modelos de atención al parto en hospitales privados en Brasil. Se utilizaron datos de la encuesta Nacer en Brasil, una cohorte de base hospitalaria durante los años 2011/2012. Se analizaron a 1.664 madres y a sus recién nacidos en 13 hospitales de la región sureste, divididos en "típico" -modelo de atención estándar- y "atípico" -Hospital Amigo del Niño-, con atención al parto por equipos de turno integrados por médicos y parteras. Se adoptó la clasificación de Robson con el fin comparar las tasas de cesárea, que fueron inferiores en el hospital atípico (47,8% vs. 90,8%, p < 0,001). Los resultados positivos relacionados con la lactancia materna fueron más frecuentes en el hospital atípico. Los eventos adversos neonatales no difirieron significativamente entre los hospitales. La intervención utilizada en el hospital atípico se debe evaluar en profundidad, ya que parece haber reducido la prevalencia de la cesárea y aumentado las mejores prácticas de atención neonatal.

Twenty-eight Brangus cattle were used to determine the effect of copper and selenium supplementation on the carcass characteristics, fatty acid composition of the longissimus dorsi muscle and on the copper and selenium concentrations in the liver. The treatments were: no supplementation of copper or selenium; 2 mg Se/kg DM as sodium selenite; 40 mg Cu/kg DM as copper sulfate; and 2 mg Se/kg DM as sodium selenite and 40 mg Cu/kg DM as copper sulfate. The fat thickness, rib eye area and fatty acid composition of the longissimus dorsi muscle were not affected by treatments. There was no effect on carcass yield and cooling loss with the supplementation of copper, selenium or selenium × copper in the levels studied. For the ether extract concentration in the longissimus dorsi muscle, no differences were found according to the treatments with selenium, copper or selenium × copper. The treatments with selenium and selenium × copper showed higher selenium concentrations in the liver than the control and copper treatments. For the copper concentration in the liver, the copper and selenium × copper treatments showed higher values than the control and selenium treatments. Despite the little effect on the meat composition, the results of this experiment demonstrate no interaction between selenium and copper in the levels studied.

OBJECTIVES: To identify Chlamydia trachomatis via polymerase chain reaction and a direct fluorescent antibodyassay in patients with vernal keratoconjunctivitis while comparing the efficacies of both tests for detectingChlamydia trachomatis in these conditions. METHODS: Conjunctival scraping samples were obtained from 177 patients who were divided into two groups: avernal keratoconjunctivitis group (group A) and a control group (group B). The polymerase chain reaction and adirect fluorescent antibody assay were performed. Sensitivity, specificity, receiver operating characteristic curves,and areas under the curve were calculated for both tests in groups A and B. Receiver operating characteristic curveswere plotted using a categorical variable with only two possible outcomes (positive and negative). RESULTS: Statistical analysis revealed a significant association between vernal keratoconjunctivitis and Chlamydia trachomatis infection detected by a direct fluorescent antibody assay with high sensitivity and specificity. Allpatients in group A with positive polymerase chain reactions also presented with positive direct fluorescentantibody assays. CONCLUSION: The association between vernal keratoconjunctivitis and Chlamydia trachomatis infection wasconfirmed by positive direct fluorescent antibody assays in 49.4% of vernal keratoconjunctivitis patients and bypositive polymerase chain reactions in 20% of these patients. The direct fluorescent antibody assay detectedChlamydia trachomatis in a higher number of patients than did the polymerase chain reaction. Although thediagnosis of trachoma is essentially clinical, the disease may not be detected in vernal keratoconjunctivitis patients.Due to the high frequency of chlamydial infection detected in patients with vernal keratoconjunctivitis, we suggestconsidering routine laboratory tests to detect Chlamydia trachomatis in patients with severe and refractory allergicdisease.

No Brasil, as taxas de cesariana são bastante elevadas, principalmente nos serviços privados, estando provavelmente associadas a fatores socioeconômicos e culturais. O objetivo deste estudo foi descrever as características socioeconômicas, demográficas, culturais e reprodutivas de puérperas e os determinantes da decisão por parto cesáreo em duas unidades do sistema de saúde suplementar do Estado do Rio de Janeiro. A população foi composta por 437 puérperas que tiverem partos vaginais ou cesarianos nas duas unidades selecionadas. Os dados foram coletados por meio de entrevistas com as mães e consulta aos prontuários. Através de regressão logística não condicional, avaliaram-se os fatores associados à decisão por cesariana como via de parto, seguindo os modelos hierárquicos estabelecidos em três momentos definidos: no início, ao longo da gestação e no momento do parto. Observou-se que, embora 70% das entrevistadas não relatassem preferência inicial pela cesariana, 90% apresentaram esse tipo de parto. Verificou-se que, independente do desejo inicial da gestante, a interação com o serviço de saúde resultou na cesariana como via final de parto. Trabalhos educativos direcionados às gestantes e à população geral e mudanças no modelo de assistência ao parto podem ser estratégias promissoras para a reversão desse quadro.

Cesarean section rates are very high in Brazil mainly in private hospitals, probably due to socioeconomic and cultural factors. The objective of this study was to describe socioeconomic, demographic, cultural and reproductive characteristics of women in the postpartum period and the factors that had determined their decision for caesarean section in two units of the supplementary health care system of the State of Rio de Janeiro. The study population was composed of 437 women that had vaginal or caesarean childbirths in the two selected units. Data were collected by means of interviews with mothers and consultation of hospital records. The factors associated with the decision for cesarean section as mode of delivery were evaluated using non-conditional logistic regression analysis and following the hierarchic models established at three definite moments. Although 70% of the women had no initial preference for cesarean section, 90% of them had this mode of birth. It was verified that, despite their initial desire, the interaction with the health services resulted in cesarean section as mode of birth. Educative actions directed to pregnant women and to the public at large as well as changes in the childbirth care model can be promising strategies for reverting this picture.

No Brasil, as taxas de cesariana são bastante elevadas, principalmente nos serviços privados, estando provavelmente associadas a fatores socioeconômicos e culturais. O objetivo deste estudo foi descrever as características socioeconômicas, demográficas, culturais e reprodutivas de puérperas e os determinantes da decisão por parto cesáreo em duas unidades do sistema de saúde suplementar do Estado do Rio de Janeiro. A população foi composta por 437 puérperas que tiverem partos vaginais ou cesarianos nas duas unidades selecionadas. Os dados foram coletados por meio de entrevistas com as mães e consulta aos prontuários. Através de regressão logística não condicional, avaliaram-se os fatores associados à decisão por cesariana como via de parto, seguindo os modelos hierárquicos estabelecidos em três momentos definidos: no início, ao longo da gestação e no momento do parto. Observou-se que, embora 70% das entrevistadas não relatassem preferência inicial pela cesariana, 90% apresentaram esse tipo de parto. Verificou-se que, independente do desejo inicial da gestante, a interação com o serviço de saúde resultou na cesariana como via final de parto. Trabalhos educativos direcionados às gestantes e à população geral e mudanças no modelo de assistência ao parto podem ser estratégias promissoras para a reversão desse quadro.

Cesarean section rates are very high in Brazil mainly in private hospitals, probably due to socioeconomic and cultural factors. The objective of this study was to describe socioeconomic, demographic, cultural and reproductive characteristics of women in the postpartum period and the factors that had determined their decision for caesarean section in two units of the supplementary health care system of the State of Rio de Janeiro. The study population was composed of 437 women that had vaginal or caesarean childbirths in the two selected units. Data were collected by means of interviews with mothers and consultation of hospital records. The factors associated with the decision for cesarean section as mode of delivery were evaluated using non-conditional logistic regression analysis and following the hierarchic models established at three definite moments. Although 70% of the women had no initial preference for cesarean section, 90% of them had this mode of birth. It was verified that, despite their initial desire, the interaction with the health services resulted in cesarean section as mode of birth. Educative actions directed to pregnant women and to the public at large as well as changes in the childbirth care model can be promising strategies for reverting this picture.