1,721,117 research outputs found
Abortion debate in Latin America and beyond
Full text linkJill Replogle's observations on the dispute between Latin American activists, the interference of the Catholic Church in legal changes, and the high numbers of abortions (July 28, p 305)1 are also pertinent to Argentina.Fil: Bianco, Mabel. Fundación para Estudio e Investigación de la Mujer; ArgentinaFil: Belizán, José Miguel. Instituto de Efectividad Clínica y Sanitaria; ArgentinaFil: Althabe, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Instituto de Efectividad Clínica y Sanitaria; Argentin
Rising Trend in Non-Indicated Caesarean Deliveries: Can the Trend be Reversed?
Full text linkThe rate of caesarean deliveries in most countries with a high coverage of facility births largely exceeds what is considered medically justifiable. In 2014, the Americas had the highest rates, with almost a third (32%) for the North American countries, and 40.5% for Latin America and The Caribbean (LAC).1 The rates show a strong annual temporal increases of around 2%; if this staggering trend continues, more than 50% of births will be by caesarean in the LAC region in 2025.Fil: Althabe, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; ArgentinaFil: Belizan, Jose. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Centro de Investigaciones en Epidemiología y Salud Pública. Instituto de Efectividad Clínica y Sanitaria. Centro de Investigaciones en Epidemiología y Salud Pública; Argentin
Antenatal corticosteroids for preterm births in resource-limited settings - Authors' reply
No full textWe have several comments regarding the letters about our study. First, Gerard Visser andGian Carlo DiRenzo state that if corticosteroids are given appropriately they can reduce perinatalmorbidity and mortality, whereas inappropriate use is likely to be harmful. However, the evidenceshowing that corticosteroids reduce neonatal morbidity and mortality are from studies done in hospitals in high-income and middle-income countries with good newborn care. By contrast, our antenatal corticosteroid trial (ACT)1 was done in low-income and middle-income countries,evidence showed no benefit with use of this drug. Therefore, the setting of where the drug is used matters.Fil: Althabe, Fernando. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Belizan, Jose. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: McClure, Elizabeth. Research Triangle Institute International; Estados UnidosFil: Goldenberg, Robert L.. Columbia University; Estados UnidosFil: Buekens, Pierre. Tulane School of Public Health and Tropical Medicine; Estados Unido
Calcium supplementation for weight reduction in overweight or obese people
Full text linkThis is the protocol for a review and there is no abstract. The objectives are as follows: To assess the effects of calcium supplementation for weight reduction in overweight or obese people.Fil: Cormick, Gabriela. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Ciapponi, Agustín. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Minckas, Nicole. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Althabe, Fernando. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Belizan, Jose. Instituto de Efectividad Clínica y Sanitaria; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentin
The effect of polyhydramnios on cervical length in twins: a controlled intervention study in complicated monochorionic pregnancies.
Full text linkObjectiveTo test the hypothesis that cervical shortening in polyhydramnios reflects the degree of excess amniotic fluid, and increases with normalisation of amniotic fluid volume.Study designProspective cohort study of 40 women with monochorionic twins undergoing interventional procedures between 16-26 weeks. Cervical length was assessed via transvaginal sonography pre-procedure, 1 and 24 hours post-procedure, and results compared between amnioreduction and control procedures. Amniotic fluid index (AFI) was measured pre- and post-procedure.ResultsPre-procedural cervical length correlated with AFI (linear fit = 5.07 -0.04x, R(2) = 0.17, P = 0.03) in patients with polyhydramnios (n = 28). Drainage of 2000 ml fluid (range 700-3500 ml), reduced AFI from 42 cm to 21 cm (PConclusionCervical shortening in twins with polyhydramnios does not appear to be an acute process; cervical length can be measured before or after therapeutic procedures
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Smoking among young rural to urban migrant women in China: a cross-sectional survey.
Full text linkRural-to-urban migrant women may be vulnerable to smoking initiation as they are newly exposed to risk factors in the urban environment. We sought to identify correlates of smoking among rural-to-urban migrant women in China.A cross-sectional survey of rural-to-urban migrant women working in restaurants and hotels (RHW) and those working as commercial sex workers (CSW) was conducted in ten provincial capital cities in China. Multiple logistic regression was conducted to identify correlates of smoking. We enrolled 2229 rural-to-urban migrant women (1697 RHWs aged 18-24 years and 532 CSWs aged 18-30 years). Of these, 18.4% RHWs and 58.3% CSWs reported ever tried smoking and 3.2% RHWs and 41.9% CSWs reported current smoking. Participants who first tried smoking after moving to the city were more likely to be current smokers compared to participants who first tried smoking before moving to the city (25.3% vs. 13.8% among RHWs, p = 0.02; 83.6% vs. 58.6% among CSWs, p = <0.01). Adjusting for other factors, "tried female cigarette brands" had the strongest association with current smoking (OR 5.69, 95%CI 3.44 to 9.41) among participants who had ever tried smoking.Exposure to female cigarette brands may increase the susceptibility to smoking among rural-to-urban migrant women. Smoke-free policies and increased taxes may be effective in preventing rural-to-urban migrant women from smoking initiation
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
- …
