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3-D network routing of Brazil nut harvesting in tropical forests
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Lopes, Monique Sabioni

; Ribeiro, Carlos Antônio Alvares Soares

; Marcatti, Gustavo Eduardo

; Teixeira, Ana Paula Mendes

; Domingues, Getúlio Fonseca

; Mardeni, Vinícius Duarte Nader

; Santos, Alexandre Rosa dos

; Leite, Helio Garcia

CERNE

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2023, Volume 29 elocation e-103242

Abstract: En | Text: En | PDF: En

ABSTRACT Background: The aim of this research is to optimize the routing of Brazil nut harvesting in order to reduce labor costs and promote an equitable redistribution of placements among extractive interests. The study area was located in the Tahuamanu province, designated a Biosphere Reserve by UNESCO, in the Madre de Dios region of Peru. Planning for harvesting activities is vital to support sustainable use of the tropical forest by extractive communities, generating profit while minimizing adverse impacts on the forest. A location-allocation model was used to redistribute extraction placement areas, taking into account the number of trees and productivity for analysis. To optimize the order of nut load pickups at the placement areas, the vehicle routing problem (VRP) was used to minimize real distance and reduce traversal time. Results: The time taken to cover the route without delays was 08:46’, which is superior to the time taken to minimize the distance. However, the total delay time was 05:10’. Conclusion: Network analyses were effective in achieving the reallocation of placement areas and optimizing Brazil nut harvest routes.

https://doi.org/10.1590/01047760202329013242

Diagnostic accuracy of a SARS-CoV-2 rapid test and optimal time for seropositivity according to the onset of symptoms
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David, Caroline Nespolo de

; Varela, Fernanda Hammes

; Sartor, Ivaine Tais Sauthier

; Polese-Bonatto, Márcia

; Fernandes, Ingrid Rodrigues

; Zavaglia, Gabriela Oliveira

; Kern, Luciane Beatriz

; Ferreira, Charles Francisco

; Bastos, Gisele Alsina Nader

; Pitrez, Paulo Márcio

; Almeida, Walquiria Aparecida Ferreira de

; Porto, Victor Bertollo Gomes

; Zavascki, Alexandre Prehn

; Stein, Renato Tetelbom

; Scotta, Marcelo Comerlato

Cadernos de Saúde Pública

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2022, Volume 38 N. 1 elocation e00069921

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

Os testes sorológicos no local de atendimento (point-of-care) para a infecção pelo SARS-CoV-2 têm sidos utilizados para o diagnóstico da COVID-19. Entretanto, não está plenamente elucidada a acurácia dos testes ao longo do tempo em relação ao início dos sintomas. Nosso objetivo foi de avaliar a acurácia, no local de atendimento, do imunoensaio de fluxo lateral (LFI). Pacientes com ≥ 18 anos de idade que apresentavam sintomas clínicos sugestivos de infecção aguda pelo SARS-CoV-2 foram testados uma vez com RT-PCR da nasofaringe e orofaringe, além do LFI. A acurácia do LFI foi avaliada com intervalos periódicos de 3 dias a partir do início dos sintomas. O ponto de corte ótimo foi definido como o número necessário de dias para atingir a melhor sensibilidade e especificidade. Esse ponto foi utilizado também para comparar a acurácia do LFI de acordo com a situação do paciente (ambulatorial ou hospitalizado). Foram incluídos 959 pacientes, dos quais 379 (39,52%) testaram positivos para SARS-CoV-2 pelo RT-PCR e 272 (28,36%) pelo LFI. Foi atingido o melhor desempenho para o LFI com 10 dias a partir do início dos sintomas, com sensibilidade e especificidade de 84,9% (IC95%: 79,8-89,1) e 94,4% (IC95%: 91,0-96,8), respectivamente. Embora a especificidade não tenha sido diferente entre os grupos de pacientes (94,6% vs. 88,9%, p = 0,051), a sensibilidade foi mais alta nos pacientes hospitalizados que nos ambulatoriais (91,7% vs. 82,1%, p = 0,032) no dia 10 depois do início dos sintomas. A melhor sensibilidade do LFI no local de atendimento ocorre 10 dias depois do início dos sintomas, o que pode limitar seu uso no atendimento agudo. A especificidade permanece alta, independentemente do número de dias desde o início dos sintomas.

Point-of-care serological tests for SARS-CoV-2 have been used for COVID-19 diagnosis. However, their accuracy over time regarding the onset of symptoms is not fully understood. We aimed to assess the accuracy of a point-of-care lateral flow immunoassay (LFI). Subjects, aged over 18 years, presenting clinical symptoms suggestive of acute SARS-CoV-2 infection were tested once by both nasopharyngeal and oropharyngeal RT-PCR and LFI. The accuracy of LFI was assessed in periodic intervals of three days in relation to the onset of symptoms. The optimal cut-off point was defined as the number of days required to achieve the best sensitivity and specificity. This cut-off point was also used to compare LFI accuracy according to participants’ status: outpatient or hospitalized. In total, 959 patients were included, 379 (39.52%) tested positive for SARS-CoV-2 with RT-PCR, and 272 (28.36%) tested positive with LFI. LFI best performance was achieved after 10 days of the onset of symptoms, with sensitivity and specificity of 84.9% (95%CI: 79.8-89.1) and 94.4% (95%CI: 91.0-96.8), respectively. Although the specificity was similar (94.6% vs. 88.9%, p = 0.051), the sensitivity was higher in hospitalized patients than in outpatients (91.7% vs. 82.1%, p = 0.032) after 10 days of the onset of symptoms. Best sensitivity of point-of-care LFI was found 10 days after the onset of symptoms which may limit its use in acute care. Specificity remained high regardless of the number of days since the onset of symptoms.

Los puestos de atención para pruebas serológicas del SARS-CoV-2 han sido usado para la diagnosis de la COVID-19. No obstante, su precisión a lo largo del tiempo, en lo que respecta a la aparición de los síntomas, no se ha comprendido completamente. Nuestro objetivo fue evaluar la precisión de un puesto de atención de inmunoanálisis de flujo lateral (LFI). Se hizo pruebas a individuos ≥ 18 años, presentando síntomas clínicos compatibles con una infección aguda de SARS-CoV-2, tanto vía nasofaríngea y orofaríngea RT-PCR, como LFI. La precisión de LFI fue evaluada en intervalos periódicos de 3 días con respecto a la aparición de los síntomas. El punto óptimo de corte se definió como el número de días requerido para alcanzar la mejor sensibilidad y especificidad. Este punto también se usó para comparar la precisión del LFI, según el estatus de los participantes: ambulatorios u hospitalizados. Se incluyeron a 959 pacientes, 379 (39,52%) dieron positivo en las pruebas de SARS-CoV-2 RT-PCR, y 272 (28,36%) fueron positivos en los LFI. Se alcanzó el mejor rendimiento de los LFI tras 10 días de la aparición de los síntomas, con una sensibilidad y especificidad de un 84,9% (IC95%: 79,8-89,1) y 94,4% (IC95%: 91,0-96,8), respectivamente. A pesar de que la especificidad no fue diferente (94,6% vs. 88,9%, p = 0,051), la sensibilidad fue mayor en pacientes hospitalizados que en los ambulatorios (91,7% vs. 82,1%, p = 0,032) tras 10 días desde la aparición de los síntomas. La mejor sensibilidad LFI del puesto de cuidado se produce tras 10 días de la aparición de los síntomas, lo que quizás limite su uso en el cuidado de urgencias. La especificidad permanece alta independientemente del número de días desde la aparición de los síntomas.

https://doi.org/10.1590/0102-311x00069921

Diagnostic accuracy of a SARS-CoV-2 rapid test and optimal time for seropositivity according to the onset of symptoms
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David, Caroline Nespolo de

; Varela, Fernanda Hammes

; Sartor, Ivaine Tais Sauthier

; Polese-Bonatto, Márcia

; Fernandes, Ingrid Rodrigues

; Zavaglia, Gabriela Oliveira

; Kern, Luciane Beatriz

; Ferreira, Charles Francisco

; Bastos, Gisele Alsina Nader

; Pitrez, Paulo Márcio

; Almeida, Walquiria Aparecida Ferreira de

; Porto, Victor Bertollo Gomes

; Zavascki, Alexandre Prehn

; Stein, Renato Tetelbom

; Scotta, Marcelo Comerlato

Cadernos de Saúde Pública

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2022, Volume 38 N. 1 elocation e00069921

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

https://doi.org/10.1590/0102-311x00069921

Skin manifestations associated with systemic diseases – Part I,
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Sampaio, Ana Luisa

; Bressan, Aline Lopes

; Vasconcelos, Barbara Nader

; Gripp, Alexandre Carlos

Anais Brasileiros de Dermatologia

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dec 2021, Volume 96 N. 6 Pages 655 - 671

Abstract: En | Text: En | PDF: En

Abstract The skin demonstrates what is happening in the body in many diseases, as it reflects some internal processes on the surface. In this sense, skin as an organ, goes beyond its protective and barrier functions, as it provides clues for the identification of some systemic diseases. The dermatologist then raises diagnostic hypotheses for conditions related to all systems and refers them to the appropriate specialty. With easy access to examination by trained eyes and biopsies, the skin can present specific or non specific alterations on histopathology. In the first case this combination establishes the diagnosis of the disease itself. Non specific manifestations can occur in a variety of contexts and then histopathology is not specific of a particular disease. This article is divided into two parts that will cover large groups of diseases. In this first part, cutaneous manifestations of the main rheumatologic diseases are described, which are the ones with the greatest interface with dermatology. The authors also talk about vascular manifestations and granulomatous diseases. In the second part, endocrinological, hematological, oncological, cardiovascular, renal, gastrointestinal diseases, pruritus and its causes are discussed, and finally, the dermatological manifestations of SARS-CoV-2 coronavirus infection. The authors’ intention is that, by using direct and easily accessible language, aim to provide practical material for consultation and improvement to all dermatologists who recognize the importance of a comprehensive assessment of their patients.

https://doi.org/10.1016/j.abd.2021.02.008

Cannabinoids in Neurology - Position paper from Scientific Departments from Brazilian Academy of Neurology
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BRUCKI, Sonia Maria Dozzi

; ADONI, Tarso

; ALMEIDA, Carlos Mauricio Oliveira

; ANDRADE, Daniel Ciampi de

; ANGHINAH, Renato

; BARBOSA, Luciana Mendonça

; BAZAN, Rodrigo

; CARVALHO, Alzira Alves de Siqueira

; CARVALHO, William

; CHRISTO, Paulo Pereira

; COLETTA, Marcus Della

; CONFORTO, Adriana Bastos

; CORREA-NETO, Ylmar

; ENGELHARDT, Eliasz

; FRANÇA JUNIOR, Marcondes Cavalcante

; FRANCO, Clelia

; VON GLEHN, Felipe

; GOMES, Helio Rodrigues

; HOULY, Caroline Gomes de Barros

; KAUP, Alexandre Ottoni

; KOWACS, Fernando

; KANASHIRO, Aline

; LOPES, Victor Gonçalves

; MAIA, Débora

; MANREZA, Maria

; MARTINEZ, Alberto Rolim Muro

; MARTINEZ, Sandra Cristina Gonçalves

; NADER, Saulo Nardy

; NEVES, Luciana de Oliveira

; OKAMOTO, Ivan Hideyo

; OLIVEIRA, Rogério Adas Ayres de

; PEIXOTO, Fabiano de Melo

; PEREIRA, Cristiana Borges

; SABA, Roberta Arb

; SAMPAIO, Leticia Pereira de Brito

; SCHILLING, Lucas Porcello

; SILVA, Marcus Tulius Teixeira

; SILVA, Emanuelle Roberta

; SMID, Jerusa

; SOARES, Cristiane Nascimento

; SOBREIRA-NETO, Manoel

; SOUSA, Nise Alessandra de Carvalho

; SOUZA, Leonardo Cruz de

; TEIVE, Hélio Afonso Ghizoni

; TERRA, Vera Cristina

; VALE, Matheus

; VIEIRA, Vitor Mendes Grise

; ZANOTELI, Edmar

; PRADO, Gilmar

Arquivos de Neuro-Psiquiatria

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apr 2021, Volume 79 N. 4 Pages 354 - 369

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO Os canabinoides compreendem os endocanabinoides, fitocanabinoides e os canabinoides sintéticos e desempenham ações no sistema nervoso central e periférico. Uma quantidade enorme de publicações tem sido lançada nos últimos anos, embora a cannabis seja conhecida por milênios. Os Departamentos Científicos da Academia Brasileira de Neurologia descreveram as evidências do uso médico em suas áreas. A literatura está em constantes mudanças e possíveis novas evidências podem surgir nos próximos dias ou meses. A prescrição dessas substâncias deve ser discutida com os pacientes e suas famílias, com conhecimento sobre eventos adversos e sua eficácia.

ABSTRACT Cannabinoids comprehend endocannabinoids, phytocannabinoids, and synthetic cannabinoids, with actions both in the central and peripherical nervous systems. A considerable amount of publications have been made in recent years, although cannabis has been known for over a thousand years. Scientific Departments from the Brazilian Academy of Neurology described evidence for medical use in their areas. Literature is constantly changing, and possible new evidence can emerge in the next days or months. Prescription of these substances must be discussed with patients and their families, with knowledge about adverse events and their efficacy.

https://doi.org/10.1590/0004-282x-anp-2020-0432 1049 downloads

Indicadores-chave de desempenho e a gestão integrada da mineração
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Nader, Beck

; Tomi, Giorgio de

; Passos, Alexandre Orlandi

Rem: Revista Escola de Minas

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dec 2012, Volume 65 N. 4 Pages 537 - 542

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O rápido avanço da tecnologia da informação e da aplicação de computadores ao setor mineral permitiu a automatização de vários processos da cadeia de valor mineral. Os sistemas ERP (Enterprise Resource Planning) forneceram a plataforma para a integração eficiente de todas as atividades de suporte da mineração. Apesar do avanço obtido com a aplicação dos computadores, não se conseguiu, até o presente momento, integrar, efetivamente, as atividades primárias da cadeia de valor mineral. A principal razão, para isso, são as incertezas existentes no processo produtivo, que são intrínsecas ao negócio, e a dificuldade de se quantificarem e qualificarem os benefícios advindos de tal integração, isto por não existir uma definição clara dos indicadores-chave de desempenho (KPIs). Esse trabalho apresenta uma análise da aplicação de sistemas ERP, na mineração do Brasil, identifica os KPIs mais importantes utilizados em empresas de mineração e discute a importância de seu mapeamento e medição para a gestão efetiva do negócio "Mineração".

The exceptional advance of information technology and computer application to the mineral sector has allowed the automation of several processes of the mineral value chain. ERP systems (Enterprise Resource Planning) provided the platform for the efficient integration of all support activities of the mineral value chain. Despite all advances gathered with the application of computers, it was not possible to date, to effectively integrate the primary activities of the mineral value chain. The main reason for that are the uncertainties present in the productive process, which are intrinsic to the business, and the difficulty to quantify and qualify the benefits obtained with this integration due to the lack of a clear definition of the key performance indicators (KPIs). This work presents an analysis of the ERP systems application in Brazilian mining, identifies the KPIs of some of the most important Brazilian mining companies, and discusses the importance of mapping and measuring these indicators for the effective management of the mining business.

9008 downloads Cited 1 time in SciELO

Psoriasis, lymphoma and etanercept: is there a correlation?
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Miranda, Ludmilla Queirós

; Bressan, Aline Lopes

; Rehfeldt, Fernanda Valente da Silva

; Vasconcelos, Bárbara Nader

; Gripp, Alexandre Carlos

Anais Brasileiros de Dermatologia

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feb 2012, Volume 87 N. 1 Pages 139 - 141

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

A psoríase é uma doença inflamatória crônica que pode afetar a pele e as articulações. Seu tratamento varia conforme a gravidade e inclui medicamentos tópicos e sistêmicos. Dentre os últimos estão os imunobiológicos, que têm como alvo a célula T. Relatamos um caso que demonstra a estreita relação entre a psoríase, o linfoma e os imunobiológicos.

Psoriasis is a chronic inflammatory disease that can affect skin and joints. Their treatment varies depending on the severity and includes topical and systemic. Among the latter are the immunobiological that target the T cell We report a case that demonstrates the close relationship between psoriasis, lymphoma and biologic therapies.

4065 downloads

Pseudoxantoma elástico perfurante periumbilical e periareolar
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Bressan, Aline Lopes

; Vasconcelos, Bárbara Nader

; Silva, Roberto Souto da

; Alves, Maria de Fátima G. Scotelaro

; Gripp, Alexandre Carlos

Anais Brasileiros de Dermatologia

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oct 2010, Volume 85 N. 5 Pages 705 - 707

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O pseudoxantoma elástico perfurante periumbilical (PEPP), ou elastose cálcica perfurante, é distúrbio raro e sua patogênese está associada a alteração da fibra elástica, tendo o trauma provável participação. Apresenta-se caso de paciente de 70 anos com quadro de máculas enegrecidas e pápulas encimadas por crostas na região periareolar e periumbilical há mais de dez anos. O exame histopatológico revelou fibras elásticas alteradas, repletas de cálcio, e formação de pertuito na derme com fibras elásticas degradadas no seu interior. O caso descrito corresponde ao PEPP, que nesta paciente também acomete área periareolar bilateralmente.

The periumbilical perforating pseudoxanthoma elasticum or perforating calcific elastosis is a rare disorder and its pathogenesis is associated with the alteration of elastic fibers, which may probably result from trauma. We present the case of a 70-year-old woman with long-time blackish maculas and keratotic surface papules on the periareolar and periumbilical regions. The histopathological examination revealed altered elastic fibers, replete with calcium and formation of a path in the dermis with elastic fibers degraded in their interior, confirming the clinical diagnosis.

7494 downloads

Gases e ruídos em edificações para suínos: aplicação das normas NR-15, CIGR e ACGIH
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Sampaio, Carlos A. de P.

; Nääs, Irenilza de A.

; Nader, Alexandre

Engenharia Agrícola

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apr 2005, Volume 25 N. 1 Pages 10 - 18

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

A produção de suínos representa importante setor da economia brasileira, e a possibilidade de crescimento na produção é iminente, principalmente se considerar o baixo consumo de carne suína comparado ao de outras carnes e com outros países. As transformações e exigências de mercado que vêm ocorrendo no cenário mundial mostram que, num futuro muito próximo, as barreiras serão baseadas no bem-estar dos animais, na proteção ao meio ambiente e na legislação trabalhista. Pouco conhecimento está disponível sobre as normas relacionadas ao trabalho com agentes ambientais nas atividades rurais, assim como as condições de qualidade do ar nas instalações brasileiras. Os objetivos deste trabalho foram aplicar as principais normas relacionadas a ruído e gases, e estimar os riscos de exposição ocupacional a partir de medidas de ruído, sulfeto de hidrogênio, metano e oxigênio em granjas de suínos nas fases de creche e terminação. Os resultados mostram que os níveis de ruídos contínuos ficaram abaixo do permitido pelas normas, entretanto foram observadas diferenças (P < 0,05) em relação ao ruído medido na creche com gaiolas e em piso semi-ripado; as concentrações de sulfeto de hidrogênio e metano foram inferiores a 1 ppm e 0,1% em volume, respectivamente, inferiores aos limites recomendados pelas normas NR-15, CIGR e ACGIH, e o nível de oxigênio ficou, em média, em 21%.

Swine production represents an important segment of Brazilian economy, and the possibility of increasing production is eminent mainly if considered the low pork consumption when compared to other meat and the consumption of other countries. The increasing need in the international market demands show that in a near future the commercial barriers will be based on welfare, in the protection of the environment as well as in the worker's legislation. Little knowledge is available in the subject of worker's standards in the environmental agents in rural activities as well as the air quality under Brazilian conditions. The objectives of this research were to apply the main used standards related to noise and gases and to estimate occupational risk using measurements of noise level, hydrogen sulfide, methane and oxygen in swine housing, in piglet's nursery and finishing. The results showed that the continuous noise level were below the one found in the standards, however there were observed differences (P < 0.05) in relation to the noise level measured in piglet's nursing cages and in semi-slatted floor. The respective concentrations of hydrogen sulfide and methane were less than 1 ppm and less than 0,1% by volume, which was lower than the recommended limits in NR-15, CIGR and ACGIH. The oxygen level was 21% in average.

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