108 research outputs found
Influence of fertilizer and hydrogel on physical-chemical attributes of substrate for seedling production
The incorporation of the hydrogel into the substrate used in the forest nursery promotes improvements in its physical-chemical attributes. However, several factors influence the hydrogel efficiency, such as the increase of salts, promoted by fertilizer of the substrate. Therefore, this study aimed to evaluate the effects of the incorporation of fertilizer levels and hydrogel doses on the physical-chemical attributes of a substrate to produce forest seedlings. Different levels of basic fertilizer commonly used in the nursery (100%, 50% and 0%) and different doses of the hydrogel (0, 1, 2 and 3 g L-1) were incorporated into the substrate Tropstrato Florestal®, consisting of 12 treatments in a 3 x 4 factorial scheme. A sample of the substrate in each treatment was sent for analysis of its physical and chemical attributes. To evaluate the effect of the treatments on the physical-chemical attributes of the substrate, was used the multivariate principal components analyses. The levels of fertilizer and hydrogel doses were correlated with the attributes of the substrates obtained in each treatment. The incorporation of different fertilizer levels and hydrogel doses to the substrate modified their chemical and physical attributes. Fertilizers have influenced mainly the chemical attributes of the substrate, whereas hydrogels have influenced the physical attributes, mainly those related to water retention capacity and availability
Caracterização do Perfil Epidemiológico do número de óbitos em mulheres por Neoplasia Maligna do Colo de útero no estado do Piauí, entre 2018 e 2020
INTRODUCTION: Cervical Cancer originates from oncogenic types of the Human Papillomavirus (HPV). Even with forms of prevention and screening in Primary Care, it represents a public health problem in Brazil, due to its high morbidity and mortality in women. OBJECTIVE: To determine the epidemiological profile of deaths due to malignant neoplasia of the cervix, in the state of Piauí, during the time period between 2018 and 2022. METHODOLOGY: This is a retrospective, quantitative and descriptive study, with data collection in the System of Mortality Information (SIM), obtained through DATASUS. The following aspects were observed: year of death, color/race, age group and municipality of occurrence. RESULTS: In total, 704 women died between 2018 and 2022. Regarding color/race, there is a prevalence in brown women, with 472 (67.04%), followed by white women, with 130 ( 18.46%) and black women, with 64 (9.09%). Regarding age group, the most affected are 50 to 59 years old, with 155 (26.81%), followed by 40 and 49 years old, with 148 (25.6%) and between 30 and 39 years old, with 75 (12.97%). CONCLUSION: Analysis of deaths from cervical cancer in Piauí between 2018 and 2022 reveals worrying trends. The distribution per year shows an average of 140.8 deaths, with peaks in 2022 and 2019. Brown women are the most affected, followed by white and black women. The most affected age group is from 50 to 59 years old. Teresina concentrates the majority of cases, followed by Parnaíba and Picos. Prevention strategies and access to equitable health services are essential to combat cervical cancer in the state. Therefore, socio-educational measures in favor of women's health must be intensified, since, if identified early, this neoplasm has a better prognosis, reducing the mortality rate considerably.INTRODUÇÃO: O Câncer de Colo Uterino é originado dos tipos oncogênicos do Papilomavírus Humano (HPV). Mesmo com formas de prevenção e de rastreio na Atenção Primária, representa um problema de saúde pública no Brasil, devido a sua alta morbimortalidade nas mulheres. OBJETIVO: Determinar o perfil epidemiológico das mortes por neoplasia maligna de colo de útero, no estado do Piauí, no período entre 2018 e 2022. METODOLOGIA: Trata-se de um estudo de caráter retrospectivo, quantitativo e descritivo, com coleta de dados no Sistema de Informações sobre Mortalidade (SIM), obtidos através do DATASUS. Foram observados: ano do óbito, cor/raça, faixa etária e município de ocorrência. RESULTADOS: No total, 704 mulheres foram a óbito entre os anos de 2018 e 2022. No que se refere à cor/raça, nota-se prevalência nas pardas, com 472 (67,04%), seguidas das brancas, com 130 (18,46%) e das pretas, com 64 (9,09%). Em relação à faixa etária, as mais acometidas estão entre os 50 aos 59 anos, com 155 (26,81%), seguidas dos 40 aos 49 anos, com 148 (25,6%) e dos 30 aos 39 anos, com 75 (12,97%). CONCLUSÃO: A análise dos óbitos por câncer do colo do útero no Piauí entre 2018 e 2022 revela tendências preocupantes. A distribuição por ano mostra uma média de 140,8 óbitos, com picos em 2022 e 2019. Mulheres pardas são as mais afetadas, seguidas por brancas e pretas. A faixa etária mais atingida é entre 50-59 anos. Teresina concentra a maioria dos casos, seguida por Parnaíba e Picos. Estratégias de prevenção e acesso a serviços de saúde equitativos são essenciais para combater o câncer do colo do útero no estado. Dessa maneira, medidas socioeducativas em prol da saúde da mulher devem ser intensificadas. Visto que, se identificado precocemente, essa neoplasia apresenta melhor prognóstico, diminuindo a taxa de mortalidade consideravelmente
A importância do acompanhamento do pré-natal na Atenção Básica
This article aims to carry out a study in the medical literature about the importance of prenatal care in Primary Care, aiming at adequate assistance given to pregnant women and the importance of the doctor-patient bond during prenatal care, in favor of a better women's adherence during this period. The indexers PubMed, Scopus, Web of Science, SciELO (Scientific Electronic Library Online) and Google Scholar were used as search engines to select articles, using the keywords “Prenatal, Pregnant women, Primary Care”. With the present study, it can be concluded that pregnant women's adherence to primary care is extremely important, as several diseases can be identified and treated early. Therefore, many pathologies that could have transplacental transmission are avoided, improving women's health from pregnancy onwards, ensuring the birth of a healthy baby at the end of pregnancy and guaranteeing maternal and neonatal well-being.Este artigo tem como objetivo realizar um estudo na literatura médica acerca da importância do acompanhamento do pré-natal na Atenção Básica, visando uma adequada assistência dada às gestantes e a importância do vínculo médico-paciente durante o pré-natal, em prol de uma melhor adesão da mulher nesse período. Foram utilizados como motores de busca os indexadores PubMed, Scopus, Web of Science, SciELO (Scientific Eletronic Library Online) e Google Scholar para seleção dos artigos, através dos unitermos “Pré-natal, Gestantes, Atenção Básica”. Com o presente estudo, pode-se concluir que é de suma importância a adesão da gestante na atenção primária, visto que diversas doenças podem ser identificadas e tratadas de forma precoce. Sendo assim, muitas patologias que poderiam ter transmissão transplacentária são evitadas, melhorando a saúde da mulher desde a gravidez, assegurando no fim da gestação, o nascimento de um bebê saudável e a garantia do bem-estar materno e neonatal
Pervasive gaps in Amazonian ecological research
Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4
While the increasing availability of global databases on ecological communities has advanced our knowledge
of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In
the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of
Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus
crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced
environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian
Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by
2050. This means that unless we take immediate action, we will not be able to establish their current status,
much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio
Síndrome do coração Pós-feriado: pacientes acometidos por arritmia cardíaca em detrimento do consumo exagerado de álcool: Post Holiday coração Syndrome: patients suffered by cardiac arrhythmia to the detriment of exaggerated alcohol consumption
INTRODUÇÃO: O álcool é conhecido por beneficiar o sistema cardiovascular com a ativação do sistema fibrinolítico, redução da agregação de plaquetas e aperfeiçoamento do perfil lipídico, entre outros mecanismos, quando consumido em doses moderadas. Todavia, seu uso de maneira abusiva culmina em patologias graves que podem evoluir para a morte, como a hipertensão arterial, a cardiomiopatia alcoólica, a arritmia cardíaca e até a “Síndrome do Coração Pós Feriado” ou do inglês, “Holiday Heart Syndrome”. OBJETIVOS: O presente estudo tem como objetivo delinear sobre a Síndrome do Coração Pós Feriado, transpassando por suas características clínicas, repercussões eletrofisiológicas, diagnóstico e manejo terapêutico. MATERIAIS E MÉTODOS: Dessa forma, o presente trabalho realizou uma revisão sistemática qualitativa, realizado no período entre julho e agosto de 2022, através de artigos das bases de dados Biblioteca Virtual em Saúde (BVS) e United States National Library of Medicine (PubMed). RESULTADOS E DISCUSSÃO: A interação do álcool no organismo está diretamente relacionada com o sistema nervoso autônomo do indivíduo, gerando um estado de desequilíbrio autonômico, assim há alterações elétricas, como acréscimo da frequência cardíaca, gerando um estado de taquicardia. A principal patologia encontrada em questão foi a taquicardia sinusal, sendo um tipo de arritmia e por conseguinte, notou-se a presença da fibrilação atrial, sendo o excesso no consumo de etanol é causador de aproximadamente 67% dos casos de emergências desta última enfermidade. CONCLUSÃO: Portanto, com base na literatura analisada, observou-se que a ingestão alcoólica aguda age retardando o sistema de condução cardíaco, atua no encurtamento do período refratário e o aumento da atividade simpática, além de aumentar os níveis de catecolaminas circulantes. Por fim, também se evidenciou uma associação entre álcool e fatores de risco, principalmente hipertensão e obesidade e essas patologias aumentam os episódios de fibrilação atrial
Photography-based taxonomy is inadequate, unnecessary, and potentially harmful for biological sciences
The question whether taxonomic descriptions naming new animal species without type specimen(s) deposited in collections should be accepted for publication by scientific journals and allowed by the Code has already been discussed in Zootaxa (Dubois & Nemésio 2007; Donegan 2008, 2009; Nemésio 2009a–b; Dubois 2009; Gentile & Snell 2009; Minelli 2009; Cianferoni & Bartolozzi 2016; Amorim et al. 2016). This question was again raised in a letter supported
by 35 signatories published in the journal Nature (Pape et al. 2016) on 15 September 2016. On 25 September 2016, the following rebuttal (strictly limited to 300 words as per the editorial rules of Nature) was submitted to Nature, which on
18 October 2016 refused to publish it. As we think this problem is a very important one for zoological taxonomy, this text is published here exactly as submitted to Nature, followed by the list of the 493 taxonomists and collection-based
researchers who signed it in the short time span from 20 September to 6 October 2016
Impact of COVID-19 on cardiovascular testing in the United States versus the rest of the world
Objectives: This study sought to quantify and compare the decline in volumes of cardiovascular procedures between the United States and non-US institutions during the early phase of the coronavirus disease-2019 (COVID-19) pandemic.
Background: The COVID-19 pandemic has disrupted the care of many non-COVID-19 illnesses. Reductions in diagnostic cardiovascular testing around the world have led to concerns over the implications of reduced testing for cardiovascular disease (CVD) morbidity and mortality.
Methods: Data were submitted to the INCAPS-COVID (International Atomic Energy Agency Non-Invasive Cardiology Protocols Study of COVID-19), a multinational registry comprising 909 institutions in 108 countries (including 155 facilities in 40 U.S. states), assessing the impact of the COVID-19 pandemic on volumes of diagnostic cardiovascular procedures. Data were obtained for April 2020 and compared with volumes of baseline procedures from March 2019. We compared laboratory characteristics, practices, and procedure volumes between U.S. and non-U.S. facilities and between U.S. geographic regions and identified factors associated with volume reduction in the United States.
Results: Reductions in the volumes of procedures in the United States were similar to those in non-U.S. facilities (68% vs. 63%, respectively; p = 0.237), although U.S. facilities reported greater reductions in invasive coronary angiography (69% vs. 53%, respectively; p < 0.001). Significantly more U.S. facilities reported increased use of telehealth and patient screening measures than non-U.S. facilities, such as temperature checks, symptom screenings, and COVID-19 testing. Reductions in volumes of procedures differed between U.S. regions, with larger declines observed in the Northeast (76%) and Midwest (74%) than in the South (62%) and West (44%). Prevalence of COVID-19, staff redeployments, outpatient centers, and urban centers were associated with greater reductions in volume in U.S. facilities in a multivariable analysis.
Conclusions: We observed marked reductions in U.S. cardiovascular testing in the early phase of the pandemic and significant variability between U.S. regions. The association between reductions of volumes and COVID-19 prevalence in the United States highlighted the need for proactive efforts to maintain access to cardiovascular testing in areas most affected by outbreaks of COVID-19 infection
Hyperoxemia and excess oxygen use in early acute respiratory distress syndrome : Insights from the LUNG SAFE study
Publisher Copyright: © 2020 The Author(s). Copyright: Copyright 2020 Elsevier B.V., All rights reserved.Background: Concerns exist regarding the prevalence and impact of unnecessary oxygen use in patients with acute respiratory distress syndrome (ARDS). We examined this issue in patients with ARDS enrolled in the Large observational study to UNderstand the Global impact of Severe Acute respiratory FailurE (LUNG SAFE) study. Methods: In this secondary analysis of the LUNG SAFE study, we wished to determine the prevalence and the outcomes associated with hyperoxemia on day 1, sustained hyperoxemia, and excessive oxygen use in patients with early ARDS. Patients who fulfilled criteria of ARDS on day 1 and day 2 of acute hypoxemic respiratory failure were categorized based on the presence of hyperoxemia (PaO2 > 100 mmHg) on day 1, sustained (i.e., present on day 1 and day 2) hyperoxemia, or excessive oxygen use (FIO2 ≥ 0.60 during hyperoxemia). Results: Of 2005 patients that met the inclusion criteria, 131 (6.5%) were hypoxemic (PaO2 < 55 mmHg), 607 (30%) had hyperoxemia on day 1, and 250 (12%) had sustained hyperoxemia. Excess FIO2 use occurred in 400 (66%) out of 607 patients with hyperoxemia. Excess FIO2 use decreased from day 1 to day 2 of ARDS, with most hyperoxemic patients on day 2 receiving relatively low FIO2. Multivariate analyses found no independent relationship between day 1 hyperoxemia, sustained hyperoxemia, or excess FIO2 use and adverse clinical outcomes. Mortality was 42% in patients with excess FIO2 use, compared to 39% in a propensity-matched sample of normoxemic (PaO2 55-100 mmHg) patients (P = 0.47). Conclusions: Hyperoxemia and excess oxygen use are both prevalent in early ARDS but are most often non-sustained. No relationship was found between hyperoxemia or excessive oxygen use and patient outcome in this cohort. Trial registration: LUNG-SAFE is registered with ClinicalTrials.gov, NCT02010073publishersversionPeer reviewe
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