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Formation of hydrophilic fibers containing polyhexamethylene biguanide and hyaluronic acid by electrospinning to wound healing
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Lima, Lonetá Lauro

; Rigon, Roberta Balansin

; d’Ávila, Marcos Akira

; Oliveira, Pedro Gonçalves de

; Rezende, Rodrigo Alvarenga

; Leonardi, Gislaine Ricci

Brazilian Journal of Pharmaceutical Sciences

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2024, Volume 60 elocation e23173

Abstract: En | Text: En | PDF: En

Abstract For good wound management, simultaneous phases during the wound healing process must be considered, including protection against infection, modulation of the inflammatory process, and proliferation and acceleration of cell migration. The aim of this study was to obtain Poly (Vinyl Pyrrolidone) (PVP) hydrophilic fibers containing polyhexamethylene biguanide (PHMB) and hyaluronic acid (HA) using the electrospinning technique to improve chronic wound treatment. Polymers mean hydrodynamic radius and polydispersity index (PdI) were measured by dynamic light scattering (DLS), whereas fiber morphology and diameter were evaluated by scanning electron microscopy (SEM). Also, Fourier transform infrared spectroscopy (FTIR) and contact angle measurements were performed. Fibers were obtained and presented homogenous morphology with a smooth surface. The FTIR study demonstrated an interaction between C=O groups of PVP and HA/PHMB in the PVP + HA/PHMB fibrous composites. Contact angle analysis has shown a hydrophilic characteristic of fibers produced. These findings demonstrate the great potential of electrospinning for developing drug-delivery systems with antimicrobial properties for wound healing treatment. management considered infection migration Vinyl Pyrrolidone (PVP PHMB (PHMB HA (HA treatment PdI (PdI DLS, DLS , (DLS) SEM. SEM . (SEM) Also (FTIR performed surface CO C O HAPHMB composites produced drugdelivery drug delivery (DLS (SEM

https://doi.org/10.1590/s2175-97902024e23173

Olarias, escravidão e a dinâmica da produção, circulação e consumo de vasilhames cerâmicos em Campos dos Goytacazes no século XIX
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REZENDE, RODRIGO CASTRO

; SYMANSKI, LUIS

Anais do Museu Paulista: História e Cultura Material

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2022, Volume 30 elocation e32

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

RESUMO O presente estudo tem por objetivo analisar o trânsito da cultura material de Campos dos Goytacazes Oitocentista, a partir do cotejamento de duas fontes de áreas do conhecimento distintas: os vestígios arqueológicos e as manuscritas. Assim, partiremos das pesquisas arqueológicas feitas na Fazenda do Colégio entre 2012 e 2016, considerando o material cerâmico (louças importadas e cerâmicas locais) presente nos espaços do solar e das senzalas. Há claras diferenças entre os dois espaços, que nos permitem entender que o consumo de louças e cerâmicas estava diretamente relacionado à posição econômica e social dos agentes responsáveis pela formação desses depósitos. Posteriormente, nos debruçaremos sobre os anúncios e notícias presentes no periódico Monitor Campista, entre 1834 e 1887, período da escravidão na região. Nessa documentação, será possível averiguar informações relativas ao fabrico, circulação e consumo de cerâmicas utilitárias feitas tanto em âmbito local quanto também regional, assim como as louças importadas. De modo igualmente caro à pesquisa, serão examinadas as entradas sobre olarias e oleiros, na tentativa de tentar desvendar minimamente as técnicas e os trânsitos culturais existentes em Campos dos Goytacazes no período em tela. Desse percurso metodológico, serão confrontadas as fontes historiográficas (Monitor Campista) e a materialidade (vestígios arqueológicos) a fim de entender com o entrelaçamento entre as duas o consumo de cerâmicas utilitárias de grupos livres da elite, sobretudo, e os escravizados; e as circulações materiais e imateriais que orbitavam as louças e cerâmicas da região.

ABSTRACT This article addresses the circulation of material culture in Campos dos Goytacazes in the 19th century through the analysis of archaeological and written sources. The archaeological data concern the domestic ceramics (imported and locally-produced) exhumated from the planter´s house and slave quarters of the Fazenda do Colégio between 2012 and 2016. The remarkable differences between the assemblages found in these contexts indicate that the ceramic consumption was linked to the social and economic position of the agents who conformed these archaeological deposits. Next, we address the news and announcements in the newspaper Monitor Campista between 1834 and 1887 to characterize the production, circulation, and consumption of both locally and regionally-made pottery and imported wares. We also examine the Monitor Campista´s entries on pottery workshops and pottery-makers to discuss the pottery-making cultural exchanges in Campos dos Goytacazes in the nineteenth century. The final section confronts historiographic and archaeological sources to first address the ways in which they differentially inform the ceramic consumption between elite and subordinated, particularly enslaved, groups; and then the material and immaterial circulations orbiting the domestic ceramics in Campos dos Goytacazes.

https://doi.org/10.1590/1982-02672022v30e32

Guidelines on COVID-19 vaccination in patients with immune-mediated rheumatic diseases: a Brazilian Society of Rheumatology task force
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Tavares, Anna Carolina Faria Moreira Gomes

; Melo, Ana Karla Guedes de

; Cruz, Vítor Alves

; Souza, Viviane Angelina de

; Carvalho, Joana Starling de

; Machado, Ketty Lysie Libardi Lira

; Valadares, Lilian David de Azevedo

; Reis Neto, Edgard Torres dos

; Rezende, Rodrigo Poubel Vieira de

; Guimarães, Maria Fernanda Brandão de Resende

; Ferreira, Gilda Aparecida

; Braz, Alessandra de Sousa

; Vieira, Rejane Maria Rodrigues de Abreu

; Pinheiro, Marcelo de Medeiros

; Ribeiro, Sandra Lúcia Euzébio

; Bica, Blanca Elena Gomes Rios

; Baptista, Kátia Lino

; Costa, Izaias Pereira da

; Marques, Claudia Diniz Lopes

; Lopes, Maria Lúcia Lemos

; Martinez, José Eduardo

; Giorgi, Rina Dalva Neubarth

; Mota, Lícia Maria Henrique da

; Loures, Marcos Antônio Araújo da Rocha

; Paiva, Eduardo dos Santos

; Monticielo, Odirlei André

; Xavier, Ricardo Machado

; Kakehasi, Adriana Maria

; Pileggi, Gecilmara Cristina Salviato

Advances in Rheumatology

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2022, Volume 62 elocation 3

Abstract: En | Text: En | PDF: En

Abstract Objective: To provide guidelines on the coronavirus disease 2019 (COVID-19) vaccination in patients with immune-mediated rheumatic diseases (IMRD) to rheumatologists considering specific scenarios of the daily practice based on the shared-making decision (SMD) process. Methods: A task force was constituted by 24 rheumatologists (panel members), with clinical and research expertise in immunizations and infectious diseases in immunocompromised patients, endorsed by the Brazilian Society of Rheumatology (BSR), to develop guidelines for COVID-19 vaccination in patients with IMRD. A consensus was built through the Delphi method and involved four rounds of anonymous voting, where five options were used to determine the level of agreement (LOA), based on the Likert Scale: (1) strongly disagree; (2) disagree, (3) neither agree nor disagree (neutral); (4) agree; and (5) strongly agree. Nineteen questions were addressed and discussed via teleconference to formulate the answers. In order to identify the relevant data on COVID-19 vaccines, a search with standardized descriptors and synonyms was performed on September 10th, 2021, of the MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, ClinicalTrials.gov, and LILACS to identify studies of interest. We used the Newcastle–Ottawa Scale to assess the quality of nonrandomized studies. Results: All the nineteen questions-answers (Q&A) were approved by the BSR Task Force with more than 80% of panelists voting options 4—agree—and 5—strongly agree—, and a consensus was reached. These Guidelines were focused in SMD on the most appropriate timing for IMRD patients to get vaccinated to reach the adequate covid-19 vaccination response. Conclusion: These guidelines were developed by a BSR Task Force with a high LOA among panelists, based on the literature review of published studies and expert opinion for COVID-19 vaccination in IMRD patients. Noteworthy, in the pandemic period, up to the time of the review and the consensus process for this document, high-quality evidence was scarce. Thus, it is not a substitute for clinical judgment.

https://doi.org/10.1186/s42358-022-00234-7

Co-treatment of wounds in rabbit skin with equine platelet-rich plasma and a commercial ointment accelerates healing
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Rezende, Rodrigo Supranzetti de

; Eurides, Duvaldo

; Alves, Endrigo Gabelline Leonel

; Venturini, Guilherme Costa

; Felipe, Rodrigo Lopes de

Ciência Animal Brasileira

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2020, Volume 21 elocation e-56274

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

Resumo O plasma rico em plaquetas autólogo é importante no processo cicatricial de cirurgias reconstrutivas, auxiliando na estimulação da angiogênese; no entanto, o plasma heterólogo mostrou-se mais eficaz. Utilizou-se 24 coelhos da raça Nova Zelândia, com idade de 12 meses, com peso corporal cerca de 3,0 kg. Os animais foram separados em quatro grupos de igual número e submetidos a remoção de pele na linha média dorsal torácica (ferida tratada) e lombar (ferida controle). Nas tratadas, foi aplicado plasma rico em plaqueta de equino e pomada contendo gentamicina, sulfanilamida, sulfadiazina, ureia e vitamina A e, nas do grupo controle, somente a pomada. Nos do grupo I, foi coletado tecido cutâneo para a avaliação histológica com três dias de pós-operatório, nos do grupo II com sete dias, nos do grupo III com 14 dias e, nos do grupo IV, com 21 dias. Decorrido o período de avaliação de cada grupo, foi coletado fragmento de pele para avaliação histológica. O uso associado do plasma rico em plaquetas heterólogo de equino com a pomada contendo gentamicina, sulfanilamida, sulfadiazina, ureia e vitamina A, em feridas de pele induzidas cirurgicamente acelera o processo cicatricial.

Abstract Autologous platelet-rich plasma (PRP) is beneficial in the healing process of reconstructive surgeries, contributing to the stimulation of angiogenesis; however, heterologous plasma has been shown to be more effective. The objective of this study was to verify, by macro- and microscopic evaluation, whether PRP accelerates the healing process as compared to a commercial ointment containing gentamicin, sulfanilamide, sulfadiazine, urea, and vitamin A (study ointment). This study used 24 white New Zealand rabbits, aged 12 months, and each weighing approximately 3 kg. The animals were separated into 4 equal groups and underwent wound induction through skin removal in the thoracic (study wound) and lumbar (control wound) dorsal midline. Study wounds were co-treated with equine PRP and the study ointment. Control wounds were treated with only the study ointment. Group I underwent histological evaluation 3 days after the skin removal procedure, group II after 7 days, group III after 14 days, and group IV after 21 days. A skin fragment was collected from each animal for histological evaluation. The co-treatment with heterologous equine PRP and the study ointment accelerated the healing process in the surgically induced skin wounds, confirming the acceleratory effect of PRP on wound healing.

https://doi.org/10.1590/1809-6891v21e-56274 791 downloads

PEEK Physical Surface Modification: Evaluation Of Particles Leaching Process
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Santos, Flavia Suzany Ferreira dos

; Lima, Gabriel Goetten de

; Cruz, Rita de Cássia Alves Leal

; Pimentel, Cristiane Agra

; Ferreira, Valéria Pereira

; Cardoso, Márcio José Batista

; Rezende, Rodrigo Alvarenga

; Fook, Marcus Vinícius Lia

Materials Research

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2019, Volume 22 N. 2 elocation e20180520

Abstract: En | Text: En | PDF: En

Polyetheretherketone (PEEK) has been prominent in orthopedic implants; however, it is inert, preventing interaction between the implant and adjacent bone tissues. One way to overcome this characteristic is physical modification its on surface by particle leaching promoting greater osseointegration. The objective of this research was to develop and characterize the PEEK using a surface modification technique via particle leaching. For of the samples, a layer deposition of NaCl was used on PEEK. This was subjected to the pressure of 850 kg/cm2 by 390ºC for 20 minutes. After cooling, were subjected to leaching process particles. The results indicated a porous surface exhibiting uniform and homogeneous morphology with defined pores interconected, to in the range of 140-373 µm, with an average diameter of 273 µm. These evidenced the considerable NaCl removal after the leaching process, with cavities from ideal sizes which promotes adequate cellular accommodation and distinct roughness, giving an overall possibility of being able to obtain a material more able to receive the cells while also possibly presenting cell viability. Although the compressive strength presented low values, it can still be suitable for applications in areas with a reduced modulus of elasticity.

https://doi.org/10.1590/1980-5373-mr-2018-0520 1247 downloads

ENERGY BALANCE OF IRRIGATED AND RAINFED SORGHUM PRODUCTION
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Jordan, Rodrigo A.

; Almeida, Alexsandro C. S.

; Queiroz, Marcos V. B. M.

; Gomes, Eder P.

; Rezende, Rodrigo K. S.

Engenharia Agrícola

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sep 2017, Volume 37 N. 5 Pages 907 - 917

Abstract: En | Text: En | PDF: En

ABSTRACT: The objective of this study was to evaluate the yield and energy balance of four sorghum genotypes in irrigated and rainfed crops. The experiment was conducted in an irrigation and drainage unit at the Federal University of Grande Dourados (UFGD), in Dourados, Mato Grosso do Sul state (Brazil). The experimental design was a randomized complete block design with split plots (with and without irrigation), testing four genotypes (BRS 506, CV 007, CV 147, and EJ 7281) with four replicates (32 plots). Irrigation provided yield increase in all four genotypes. The respective yield increases were 85.89%, 71.82%, 64.28%, and 63.36% for genotypes EJ 7281, BRS 506, CV 147, and CV 007. The energy efficiency (produced/ used ratio) was on average 3.5 under irrigation, and 2.8 for rainfed crops. These results indicate the lack of competition between sorghum and sugarcane, being the first an alternative for off-season. Irrigation increased productivity, leading to an increase in yield and, consequently, in the amount of extracted energy. Yield gains in response to irrigation were more pronounced for genotype EJ 7281. There was a positive impact of irrigation on the energy balance of the four genotypes, increasing energy efficiency.

https://doi.org/10.1590/1809-4430-eng.agric.v37n5p907-917/2017 627 downloads

Melanotic schwannoma of the lumbar spine: a case report and literature review
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Rodrigues, João Bernardo Sancio Rocha

; Saleme, Nathália Ambrozim Santos

; Jacob Junior, Charbel

; Batista Junior, José Lucas

; Cardoso, Igor Machado

; Motta, Luciene Lage da

; Lugão, Rodrigo dos Santos

; Rezende, Rodrigo

Coluna/Columna

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jun 2015, Volume 14 N. 2 Pages 149 - 151

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

Os schwannomas são tumores benignos, geralmente solitários, encapsulados e de crescimento lento, que têm sua origem nas células de Schwann neoplásicas diferenciadas, com desenvolvimento habitual extramedular intradural relacionado com as raízes nervosas. O schwannoma melanocítico é uma variante dessas neoplasias cuja localização em quase um terço dos casos está na raiz nervosa posterior, com apresentação clínica inespecífica. A ressonância magnética é o exame de imagem mais utilizado no diagnóstico, revelando imagens hiperintensas em T1 e hipointensas em T2. A confirmação diagnóstica é obtida através do estudo histológico e imuno-histoquímico, em que se observa intensa pigmentação citoplasmática. Existem dois tipos distintos de schwannomas melanocíticos: o esporádico e o psamomatoso, este último relacionado ao chamado complexo de Carney, uma forma de neoplasia endócrina múltipla de caráter familiar. Na literatura, encontramos poucos casos dessas neoplasias, sendo a maior série composta por cinco casos. Assim, o objetivo deste trabalho é relatar um raro caso de schwannoma melanocítico da coluna lombar do tipo esporádico de localização extramedular. Apresentamos ainda uma breve revisão de literatura contendo as principais características do tumor, incluindo suas diferentes formas, diagnósticos diferenciais, dados do estudo histológico e imuno-histoquímico, bem como a abordagem atualmente preconizada, a fim de colaborar para o melhor entendimento desta neoplasia.

Schwannomas are benign tumors, usually solitary, encapsulated, slow-growing, which have their origin in differentiated neoplastic Schwann cells with extramedullary intradural usual development related to nerve roots. The melanotic schwannoma is a variant of these tumors whose location in almost one third of cases is on the posterior spinal nerve root, with a nonspecific clinical presentation. Magnetic resonance imaging is the most widely used test for the diagnosis, revealing hyperintense T1-weighted sequences and hypointense T2-weighted sequences. Diagnostic confirmation is obtained by histological and immunohistochemical studies, in which there is intense cytoplasmatic pigmentation. There are two distinct types of melanotic schwannomas: sporadic and psammomatous, the latter related to the called Carney complex, a form of multiple endocrine neoplasm with familiar character. In literature we found few cases of these neoplasms, the largest series consisting of five cases. The objective of this study is to report a rare case of melanotic schwannoma of the lumbar spine of the sporadic type of extramedullary location. We also present a brief review of the literature containing the main characteristics of the tumor, including its different forms, differential diagnoses, data from histological and immunohistochemical studies as well as the currently recommended approach in order to contribute to a better understanding of this neoplasm.

Los schwannomas son tumores benignos, generalmente solitarios, encapsulados y de crecimiento lento, que tienen su origen en las células de Schwann neoplásicas diferenciadas con desarrollo habitual intradural extramedular relacionado con las raíces nerviosas. El schwannoma melanótico es una variante de estos tumores cuya localización en casi un tercio de los casos se encuentra en la raíz nerviosa posterior, con presentación clínica no específica. La resonancia magnética es el examen más ampliamente utilizado en el diagnóstico, con hiperintensidad en secuencias T1 e hiposeñal en T2. La confirmación del diagnóstico se obtiene por el estudio histológico e inmunohistoquímico, en el que existe una intensa pigmentación citoplásmica. Hay dos tipos distintos de schwannoma melanótico: el esporádico y el psamomatoso, este último relacionado con el llamado complejo de Carney, una forma de neoplasia endocrina múltiple de carácter familiar. En la literatura encontramos pocos casos de estos tumores, la serie más grande consta de cinco casos. El objetivo de este trabajo es presentar un caso raro de schwannoma melanótico lumbar del tipo esporádico y de localización extramedular. También presentamos una breve revisión de la literatura que contiene las principales características del tumor, incluyendo sus diferentes formas, los diagnósticos diferenciales, los datos del estudio histológico e inmunohistoquímico, así como el tratamiento recomendado actualmente, a fin de contribuir a una mejor comprensión de esta neoplasia.

https://doi.org/10.1590/S1808-185120151402122972 3040 downloads

Comparison of the efficacy of transforaminal and interlaminar radicular block techniques for treating lumbar disk hernia
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Rezende, Rodrigo

; Jacob Júnior, Charbel

; Silva, Camila Kill da

; Zanon, Igor de Barcellos

; Cardoso, Igor Machado

; Batista Júnior, José Lucas

Revista Brasileira de Ortopedia

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apr 2015, Volume 50 N. 2 Pages 220 - 225

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

OBJETIVO: comparar a técnica de bloqueio interlaminar com a de bloqueio transforaminal, quanto ao quadro álgico e à presença ou não de complicações.MÉTODO: estudo prospectivo, de caráter descritivo e comparativo, duplo-cego e randomizado, em que são sujeitos 40 pacientes, de ambos os sexos, portadores de lombociatalgia por hérnia de disco, do tipo centro-lateral ou foraminal, sem resposta a 20 sessões de fisioterapia e sem instabilidade, diagnosticada em exame de radiografia dinâmica. O tipo de bloqueio, transforaminal (grupo 1) ou interlaminar (grupo 2), a ser feito foi determinado por meio de sorteio e constituiu 20 pacientes do grupo 1 e 20 do grupo 2.RESULTADOS: foram avaliados 40 pacientes, 17 do sexo masculino, média de 49 anos, nos quais houve melhoria significativa do quadro álgico em todos os submetidos ao bloqueio radicular em ambas as técnicas, embora a técnica transforaminal apresentasse melhores resultados quando comparada com a interlaminar.CONCLUSÃO: ambas as técnicas são eficazes no alívio da dor e apresentam baixa taxa de complicação, mas a transforaminal foi mais eficaz do que a interlaminar.

OBJECTIVE: To compare the interlaminar and transforaminal block techniques with regard to the state of pain and presence or absence of complications.METHOD: This was a randomized double-blind prospective study of descriptive and comparative nature, on 40 patients of both sexes who presented lumbar sciatic pain due to central-lateral or foraminal disk hernias. The patients had failed to respond to 20 physiotherapy sessions, but did not present instability, as diagnosed in dynamic radiographic examinations. The type of block to be used was determined by means of a draw: transforaminal (group 1; 20 patients) or interlaminar (group 2; 20 patients).RESULTS: Forty patients were evaluated (17 males), with a mean age of 49 years. There was a significant improvement in the state of pain in all patients who underwent radicular block using both techniques, although the transforaminal technique presented better results than the interlaminar technique.CONCLUSION: Both techniques were effective for pain relief and presented low complication rates, but the transforaminal technique was more effective than the interlaminar technique.

https://doi.org/10.1016/j.rboe.2015.02.016 5595 downloads

Bone mineral density evaluation among patients with neuromuscular scoliosis secondary to cerebral palsy
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Rezende, Rodrigo

; Cardoso, Igor Machado

; Leonel, Rayana Bomfim

; Perim, Larissa Grobério Lopes

; Oliveira, Tarcísio Guimarães Silva

; Jacob Júnior, Charbel

; Batista Júnior, José Lucas

; Lourenço, Rafael Burgomeister

Revista Brasileira de Ortopedia

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feb 2015, Volume 50 N. 1 Pages 68 - 71

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

OBJETIVO: avaliar a densidade mineral óssea em pacientes portadores de escoliose neuromuscular secundária à paralisia cerebral tetraespástica.MÉTODOS: estudo prospectivo, descritivo, em que se avaliaram, além da densitometria óssea, dados antropométricos. Como critério de inclusão, adotamos pacientes com paralisia cerebral tetraespástica, cadeirantes, entre 10 e 20 anos e com escoliose neuromuscular.RESULTADOS: avaliamos 31 pacientes, 20 do sexo feminino, cuja média de idade foi de 14,2 anos. A média da circunferência bicipital, da panturrilha e do IMC foi de 19,4 cm, 18,6 cm e 16,9 Kg/m2, respectivamente. O desvio padrão médio encontrado na densitometria óssea foi de -3,2 (z-score), o que caracteriza osteoporose.CONCLUSÃO: existe elevada incidência de osteoporose em pacientes portadores de escoliose neuromuscular secundária à paralisia cerebral tetraespástica.

OBJECTIVE: To evaluate bone mineral density among patients with neuromuscular scoliosis secondary to quadriplegic cerebral palsy.METHODS: This was a descriptive prospective study in which both bone densitometric and anthropometric data were evaluated. The inclusion criteria used were that the patients should present quadriplegic cerebral palsy, be confined to a wheelchair, be between 10 and 20 years of age and present neuromuscular scoliosis.RESULTS: We evaluated 31 patients (20 females) with a mean age of 14.2 years. Their mean biceps circumference, calf circumference and body mass index were 19.4 cm, 18.6 cm and 16.9 kg/m2, respectively. The mean standard deviation from bone densitometry was -3.2 (z-score), which characterizes osteoporosis.CONCLUSION: There is high incidence of osteoporosis in patients with neuromuscular scoliosis secondary to quadriplegic cerebral palsy.

https://doi.org/10.1016/j.rboe.2014.12.003 2872 downloads

10.

Evaluation of spinopelvic balance among patients undergoing surgical treatment for lumbar disk hernia
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Oliveira, Rafael de Paiva

; Coimbra, Vinícius Gonçalves

; Chisté, Yuri Lubiana

; Batista Junior, José Lucas

; Jacob Junior, Charbel

; Cardoso, Igor Machado

; Rezende, Rodrigo

Revista Brasileira de Ortopedia

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apr 2014, Volume 49 N. 2 Pages 189 - 193

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

OBJETIVO: avaliar o equilíbrio espinopélvico, por meio da incidência pélvica, do declive sacral e da versão pélvica, em pacientes portadores de hérnias discais lombares submetidos a tratamento cirúrgico.MÉTODOS: foram avaliados 30 pacientes do Serviço de Coluna Vertebral do Hospital Santa Casa de Misericórdia de Vitória e do Vila Velha Hospital, por meio da aferição do equilíbrio espinopélvico, obtido pela mensuração dos ângulos da versão pélvica, do declive sacral e da incidência pélvica, com suas respectivas médias, nas radiografias simples lombopélvicas, tipo perfil, que englobaram, obrigatoriamente, coluna lombar, sacro e terço proximal do fêmur.RESULTADOS: a medida do equilíbrio espinopélvico, obtida pela média dos ângulos na população estudada da incidência pélvica, do declive sacral e da versão pélvica, foi de 45◦ , 36,9◦ e 8,1◦ , respectivamente. O intervalo de confiança da média da incidência pélvica entre 41,9 - 48,1 (95% IC) contém o valor de referência que a caracteriza como baixa, para uma população assintomática, o que confirma que a amostra foi extraída de uma população com essa característica.CONCLUSÃO: nos pacientes portadores de hérnia discal lombar submetidos a tratamento cirúrgico foi encontrado, em média, um equilíbrio espinopélvico com incidência pélvica abaixo do encontrado na literatura para uma população assintomática.

OBJECTIVE: to evaluate spinopelvic balance using the pelvic incidence, sacral slope and pelvic tilt among patients with lumbar disk hernias who underwent surgical treatment.METHODS: thirty patients at the spinal services of Hospital Santa Casa de Misericórdia de Vitória and Hospital Vila Velha were evaluated by measuring their spinopelvic balance from the angles of pelvic tilt, sacral slope and pelvic incidence, with their respective means, on simple lateral-view lumbopelvic radiographs that needed to encompass the lumbar spine, sacrum and proximal third of the femur.RESULTS: the spinopelvic balance measurements obtained from the mean angles of the population studied, for pelvic incidence, sacral slope and pelvic tilt, were 45◦ , 36.9◦ and 8.1◦ , respectively. The confidence interval for the mean pelvic incidence was from 41.9 to 48.1 (95% CI), thus including a reference value that characterized it as low, for an asymptomatic population, thus confirming that the sample was extracted from a population with this characteristic.CONCLUSION: among these patients with lumbar disk hernias who underwent surgical treatment, the average spinopelvic balance was found to have pelvic incidence lower than what has been reported in the literature for an asymptomatic population.

https://doi.org/10.1016/j.rboe.2014.03.024 2918 downloads

11.

Condicionamento osmótico de sementes de Sesbania virgata (CAV.) PERS (Fabaceae)
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Masetto, Tathiana Elisa

; Faria, José Márcio Rocha

; Fraiz, Ana Carla Resende

; Rezende, Rodrigo Kelson Silva

CERNE

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dec 2013, Volume 19 N. 4 Pages 629 - 636

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

Conduziu-se este trabalho, com o objetivo de avaliar o efeito do condicionamento osmótico sobre a germinação e o vigor de sementes de Sesbania virgata. Foram utilizadas sementes escarificadas em ácido sulfúrico concentrado durante 40 minutos e, posteriormente, embebidas em soluções de PEG 8000 com os potenciais osmóticos de 0,0; -0,2; -0,4; -0,6 e -0,8 MPa durante 12, 24 e 48 horas. Após o condicionamento, as sementes foram submetidas à secagem em sílica gel até que fosse atingido o grau de umidade inicial das sementes e, posteriormente, foram envelhecidas artificialmente (40 ºC/48 h/100% UR). Os efeitos do condicionamento e do envelhecimento foram avaliados por meio do teste de germinação, primeira contagem e índice de velocidade de germinação. O osmocondicionamento das sementes beneficiou a germinação e o vigor das sementes de Sesbânia, submetidas ou não ao envelhecimento acelerado. O período de 24 horas de condicionamento favoreceu o desempenho das sementes osmocondicionadas.

This study evaluated the effect of the osmopriming on germination and vigour of Sesbania virgata seeds. Seeds were chemically scarified in concentrated sulphuric acid for 40 minutes and put to germinate either directly or after being submitted to osmopriming, drying and accelerated aging. Osmopriming was carried out with polyethylene glycol solutions (PEG 8000) at the following osmotic potentials-0.2; -0.4; -0.6 and -0.8 MPa for 12, 24 and 48 hours. After osmopriming, seeds were dried in silica gel until the initial moisture content was reached, and then submitted to the accelerated aging (48 h/100% RH). The effects of osmopriming and accelerated aging were evaluated through germination test, first counting germination and germination speed index. The osmopriming, followed or not by accelerated aging, positively influenced germination and vigour of Sesbania virgata seeds.

2192 downloads Cited 2 times in SciELO

12.

Germinação de sementes de Urochloa ruziziensis em função da disponibilidade hídrica do substrato e teor de água das sementes
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Masetto, Tathiana Elisa

; Ribeiro, Dágon Manoel

; Rezende, Rodrigo Kelson Silva

Pesquisa Agropecuária Tropical

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dec 2013, Volume 43 N. 4 Pages 385 - 391

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

O estresse hídrico e o grau de umidade das sementes podem afetar as primeiras fases da germinação e prejudicar o pleno estabelecimento de pastagens. Objetivou-se avaliar o efeito de potenciais hídricos do substrato e do teor de água das sementes, na germinação de sementes de Urochloa ruziziensis, e verificar a ocorrência de possíveis danos, por embebição, às sementes. Os tratamentos foram constituídos de sementes com teores de água de 9,5%; 11,3%; e 14,6%, submetidas aos seguintes potenciais hídricos no substrato, simulados com soluções aquosas de polietilenoglicol 6000 (PEG 6000): 0,0 MPa (PubMed controle); -0,1 MPa; -0,2 MPa; -0,3 MPa; e -0,4 MPa. As seguintes características foram utilizadas para avaliar o potencial fisiológico das sementes: percentagem e primeira contagem de germinação, comprimento da parte aérea e raiz e massa fresca das plântulas. Utilizou-se o delineamento inteiramente casualizado, com quatro repetições de 50 sementes. Todas as características avaliadas foram influenciadas negativamente pela redução nos potenciais hídricos, entretanto, as sementes de U. ruziziensis com teores de água de 11,3% e 14,6% apresentaram maior germinação e crescimento de plântulas, em condições de diminuição de disponibilidade hídrica. Apesar da redução nos índices avaliados com a deficiência hídrica, a extensão dos danos em sementes foi determinada pelo teor de água das sementes e pela severidade do estresse hídrico.

Water stress and seed water content can affect the first germination stages and disturb the full pasture establishment. This study aimed at evaluating the effect of substrate water availability and seed water content on the germination of Urochloa ruziziensis seeds, as well as verifying any harmful effect of seed imbibition. The treatments consisted of seeds with 9.5%, 11.3% and 14.6% of moisture content, subjected to substrate water availability simulated with aqueous solutions of polyethylene glycol 6000 (PEG 6000) of 0.0 MPa (PubMed control), -0.1 MPa, -0.2 MPa, -0.3 MPa and -0.4 MPa. The following characteristics were used to evaluate the seeds physiological quality: germination percentage and first counting, aerial and primary root length and seedlings fresh weight. The experimental design was completely randomized, with four replications of 50 seeds. All the evaluated characteristics were negatively influenced by the water potentials reduction, however, the U. ruziziensis seeds with 11.3% and 14.6% of moisture content showed a higher germination rate and seedlings growth at low water availability. Despite the reduction in the indexes evaluated for water deficiency, the damage extension in seeds was determined by seeds moisture content and water stress severity.

1504 downloads Cited 1 time in SciELO

13.

Armazenamento de sementes de Crambe abyssinica Hochst. ex R.E.Fr. em diferentes embalagens e ambientes
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Masetto, Tathiana Elisa

; Gordin, Carla Regina Baptista

; Quadros, Josué de Brito

; Rezende, Rodrigo Kelson Silva

; Scalon, Silvana de Paula Quintão

Revista Ceres

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oct 2013, Volume 60 N. 5 Pages 646 - 652

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

O interesse pelo crambe (Crambeabyssinica) surgiu em virtude da sua superioridade, em relação à soja e às demais oleaginosas, na produção de óleos vegetais, e por adaptar-se com facilidade ao plantio direto. Objetivou-se, com este trabalho, avaliar o armazenamento de sementes de crambe, em diferentes embalagens e ambientes. Foram testadas as embalagens de saco de polietileno e embalagens de plástico rígido com fechamento hermético, nas seguintes condições: ambiente (25 ± 2 ºC e 60% de UR) e câmara fria e seca (15 ± 2 ºC e 45 % de UR), durante 0, 30, 60, 90, 120, 150 e 180 dias (período de maio a novembro de 2010), sendo avaliados, mensalmente, o teor de água, a germinação, na primeira contagem, o índice de velocidade de germinação e o tempo médio de germinação das sementes. O experimento foi conduzido em DIC, com quatro repetições de 50 sementes para cada tratamento. Inicialmente, as sementes apresentaram germinação média de 60% e teor de água de 7,0%. As embalagens e ambientes empregados permitiram alterações no teor de água que desencadearam o início da deterioração das sementes, evidenciado pela redução de germinação na primeira contagem, índice de velocidade e aumento do tempo médio de germinação das sementes. Entretanto, a germinação não foi influenciada pelos tratamentos e períodos de armazenamento. De maneira geral, as sementes de crambe podem ser acondicionadas em embalagem impermeável durante 180 dias de armazenamento, em condição de15 ± 2 ºC e 45% de UR.

The interest for crambe emerged from its superiority in relation to soybean and other oilseeds for vegetable oil production and its great adaptability for the direct planting. This work aimed to evaluate the storage of the crambe seeds in different packagings and environments. Polyethylene bags and rigid plastic packaging with hermetic sealingwere tested in the following conditions: laboratory (25 ± 2 ºC e 60% RH) and dry and cold chamber (15 ± 2 ºC e 45% RH), during 0, 30, 60, 90, 120, 150 and 180 days (May to November, 2010). Seed water content, first count, seed germination, germination speed index and seed germination medium time were evaluated monthly. The experiment was carried out with four replications using 50 seeds in each treatment. Initially, seeds showed 60% germination and 7.0% moisture content. The packagings and environments tested allowed alterations in seed water content which, possibly, provided the beginning of seed deterioration, which was assessed through the reduction of the first count, speed index and increase in the germination average time. However, the treatments and the storage periods did not influence the seed germination. In general, crambe seeds can be stored in impermeable packaging during 180 days at 15 ± 2 ºC and 45% RH.

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14.

Análise bacterioscópica e microbiológica intraoperatória de pacientes submetidos a tratamento cirúrgico de escoliose idiopática do adolescente
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Carneiro, Guilherme Galvão Barreto

; Batista Júnior, José Lucas

; Jacob Júnior, Charbel

; Cardoso, Igor Machado

; Detoni, Rafaela Freitas Cutini

; Rezende, Rodrigo

Coluna/Columna

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2013, Volume 12 N. 1 Pages 42 - 44

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

OBJETIVO: Avaliar a presença e o crescimento microbiológico no sítio operatório em pacientes submetidos a tratamento cirúrgico de escoliose idiopática do adolescente na primeira, segunda e terceira hora de cirurgia. Casuística e MÉTODO: Estudo prospectivo, de caráter descritivo e comparativo, sendo avaliados 34 pacientes portadores de escoliose idiopática do adolescente com indicação cirúrgica, analisando a contaminação no sítio cirúrgico através da bacterioscopia e cultura óssea na primeira, segunda e terceira hora de cirurgia. RESULTADOS: Houve bacterioscopia positiva crescente entre a primeira e a segunda hora de cirurgia. A cultura confirma a colonização da ferida operatória, crescente entre as horas analisadas. CONCLUSÕES: O tempo cirúrgico prolongado está diretamente relacionado ao maior crescimento microbiológico no sítio cirúrgico de pacientes submetidos à correção de escoliose vertebral.

OBJECTIVE: To evaluate the presence and microbiological growth in the operative site in patients undergoing surgical treatment of idiopathic scoliosis in the spine of first, second and third hours of surgery. METHODS: Prospective, descriptive and comparative study that evaluated 34 patients with adolescent idiopathic scoliosis with surgical indication, analyzing contamination at the surgical site through Gram staining and bone culture in the first, second and third hour of surgery. RESULTS: There were positive bacteroscopical growing between the first and the second hour of surgery. The culture confirms the colonization of the wound, increasing between the hours analyzed. CONCLUSIONS: The prolonged surgical time is directly related to higher microbial growth in the surgical site in patients undergoing spinal scoliosis correction.

OBJETIVO: Evaluar la presencia y el crecimiento microbiológico, en el área operatoria, en pacientes sometidos a tratamiento quirúrgico de escoliosis idiopática del adolescente en la primera, segunda y tercera hora de la intervención quirúrgica. Casuística y MÉTODO: Estudio prospectivo, de carácter descriptivo y comparativo, habiendo sido evaluados 34 pacientes portadores de escoliosis idiopática del adolescente con indicación quirúrgica, siendo analizada la contaminación en el área de la operación quirúrgica mediante la bacterioscopia y el cultivo óseo en la primera, segunda y tercera hora de la intervención quirúrgica. RESULTADOS: Hubo bacterioscopia positiva creciente entre la primera y la segunda hora de la operación quirúrgica. El cultivo confirmó la colonización de la herida operatoria, siendo creciente entre las horas analizadas. CONCLUSIONES: El tiempo prolongado de la operación quirúrgica está relacionado directamente con el aumento del crecimiento microbiológico en el área quirúrgica de pacientes sometidos a corrección de la escoliosis vertebral.

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15.

Avaliação do tipo de diamante de benzel em pacientes portadores de mielopatia cervical
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Rezende, Rodrigo

; Cardoso, Igor Machado

; Jacob Junior, Charbel

; Batista Junior, José Lucas

; Pereira, Thiago Ferreira Nunes

Coluna/Columna

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dec 2012, Volume 11 N. 4 Pages 268 - 270

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

OBJETIVO: Difundir o método de Benzel para aferição da angulação cervical e quantificar a prevalência de cada tipo de diamante de Benzel em 30 pacientes portadores de mielopatia cervical com indicação cirúrgica. MÉTODOS: Estudo retrospectivo de pacientes portadores de mielopatia cervical submetidos a tratamento cirúrgico. Foram analisadas radiografias em perfil da coluna cervical onde se aferiram os tipos diamante de Benzel usando técnicas descritas pelo próprio Benzel. Excluímos do estudo aqueles pacientes que desenvolveram a doença após traumas, que foram submetidos reoperações ou aqueles que não forneceram radiografias em perfil adequadas para aferição. RESULTADOS: Foram avaliados 30 pacientes, sendo 25 deles do sexo masculino, com idade entre 30 e 74 anos (média de 52,4 anos). Após a realização das medidas foram encontrados 24 pacientes com diamantes do tipo A (80%), 2 do tipo B (6,7%) e 4 tipo C (13,3%). CONCLUSÃO: O diamante de Benzel tipo "A" foi encontrado em 80% dos pacientes portadores de mielopatia cervical no período pré-operatório.

OBJECTIVE: Diffuse the method of Benzel for calibration of cervical angulation and to assess the prevalence of each type of Benzel's diamond between 30 patients with cervical myelopathy with an indication for surgical treatment. METHODS: A retrospective study of patients with cervical myelopathy treated surgically. We analyzed lateral radiographs of cervical spine where the diamonds were measured using the techniques described by the author himself. We excluded patients who developed disease following trauma, who underwent reoperations or those who have not provided adequate lateral radiographs for measurement. RESULTS: We evaluated 30 patients, of whom 25 were male, aged between 30 and 74 years (mean 52.4 years). After completion of the measures 24 patients were found with diamond type A (80%), 2 with type B (6.7%) and 4 with type C (13.3%). CONCLUSION: The Benzel diamond "A" was found in 80% of patients with cervical myelopathy in the preoperative evaluation.

OBJETIVO: Difundir el método de Benzel para la medición del ángulo cervical y cuantificar la prevalencia de cada tipo de diamante Benzel en 30 pacientes portadores de mielopatía cervical con indicación quirúrgica. MÉTODOS: Estudio retrospectivo de los pacientes con mielopatía cervical sometidos a tratamiento quirúrgico. Se analizaron las radiografías de perfil de la columna cervical, donde se midieron los tipos de diamante utilizando las técnicas descritas por el mismo Benzel. Se excluyeron del estudio los pacientes que desarrollaron la enfermedad después de trauma, que fueron sometidos a reoperaciones o los que no han presentado adecuadas radiografías de perfil para la medición. RESULTADOS: Se evaluaron 30 pacientes entre los cuales 25 eran del sexo masculino, con edades comprendidas entre 30 y 74 años (promedio de 52,4 años). Después de la realización de las medidas se encontraron 24 pacientes con diamante del tipo A (80%), 2 con tipo B (6,7%) y 4 con tipo C (13,3%). CONCLUSIÓN: El diamante de Benzel del tipo "A" se encuentra en el 80% de los pacientes con mielopatía cervical en el período preoperatorio.

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