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Abstract Several phytogeographic regions (Cerrado, Pantanal, Atlantic Forest, Gran Chaco, and Chiquitano Dry Forests) converge in the state of Mato Grosso do Sul, Brazil, and influence regional biodiversity. Despite a list of birds in the state of Mato Grosso do Sul being published by Nunes et al. (2017), it is necessary to update and critically review avifauna records. In this study, we gathered the results of several records obtained from species lists and online data platforms of the 336 sites in this state over the last decades and grouped them into Main (Primary and Secondary) and Tertiary Lists. The avifauna of Mato Grosso do Sul is composed of 678 species, of which 643 (95%) have records proving their occurrence (Primary List), whereas 34 still lack documentation (Secondary List). The number of related species for Mato Grosso do Sul represents 34% of the Brazilian avifauna. Some species stand out for their unique occurrence in Mato Grosso do Sul, such as Melanerpes cactorum, Celeus lugubris, Phaethornis subochraceus, and Cantorchilus guarayanus, reflecting the influence of different phytogeographic regions of the Chaco and Chiquitano Dry Forests. Migrants represent 20% of the bird community occurring in the state, of which 93 species correspond to migrants from various regions of South America (south and west) and 40 to boreal migrants. Thirty-three species perform nomadic movements across the Pantanal Plain and other regions of the state. Thirty-one species are included in some conservation-threatened categories of global and/or national endangered species lists. Other 30 species are included in the near-threatened category at the global level and 23 at the national level. In addition, species typical of dry forests (in Serra da Bodoquena and Maciço do Urucum) and those from the Atlantic Forest in the south of the state deserve attention due to their restricted distribution and the high anthropogenic pressure on their habitat.

https://doi.org/10.11606/1807-0205/2022.62.029

Expression of self-incompatibility in Coffea canephora genotypes grown in the western Amazon
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Depolo, Rodrigo Prado

; Rocha, Rodrigo Barros

; Souza, Carolina Augusto de

; Santos, Maurício Reginaldo Alves dos

; Espindula, Marcelo Curitiba

; Teixeira, Alexsandro Lara

Pesquisa Agropecuária Brasileira

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2022, Volume 57 elocation e03031

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

Resumo O objetivo deste trabalho foi caracterizar a expressão de autoincom-patibilidade gametofítica em uma população de melhoramento do cafeeiro Coffea canephora, para fornecer subsídios ao manejo e ao desenvolvimento de novas cultivares. Para tanto, foram realizadas 550 polinizações in vitro entre 62 plantas matrizes, das quais 27 foram da variedade botânica conilon e 35 da robusta. Foram identificados 32 genótipos compatíveis com todos os testadores previamente conhecidos, o que indica a existência de novos grupos de compatibilidade. A partir desses resultados, foram realizadas hibridações em delineamento em dialelo completo com cruzamentos recíprocos para caracterizar novas plantas testadoras. Com base na resposta de compatibilidade com as plantas testadoras, os genótipos foram agrupados nos seguintes seis grupos: grupo I, 11 (17,74%) genótipos; grupo II, 13 (20,97%); grupo III, 6 (9,68%); grupo IV, 9 (14,52%); grupo V, 8 (12,90%); e grupo VI, 15 (24,19%). Os genótipos da variedade botânica robusta apresentam maior frequência de plantas no grupo de compatibilidade VI e maior variabilidade genética, enquanto os da variedade conilon mostram maior frequência de plantas no grupo de compatibilidade II. A identificação de novos grupos de compatibilidade fornece subsídios para novas práticas de manejo que buscam aumentar a eficiência da polinização pelo favorecimento natural de cruzamentos totalmente compatíveis.

Abstract The objective of this work was to characterize the expression of gametophytic self-incompatibility in a Coffea canephora breeding population, to assist in the management and development of new cultivars. For that purpose, 550 in vitro pollinations were carried out among 62 parent plants, of which 27 were from the conilon botanical variety and 35 from the robusta. Thirty-two genotypes compatible with all previously known testers were identified, suggesting the existence of new compatibility groups. From these results, hybridizations were carried out in a complete diallel design with reciprocal crosses to characterize new test plants. Based on the compatibility response with the test plants, the genotypes were clustered into the six following groups: group I, 11 (17.74%) genotypes; group II, 13 (20.97%); group III, 6 (9.68%); group IV, 9 (14.52%); group V, 8 (12.90%); and group VI, 15 (24.19%). The genotypes of the botanical variety robusta show a higher frequency of plants in compatibility group VI and a greater genetic variability, whereas those of the conilon variety have a higher frequency of plants in compatibility group II. The identification of new compatibility groups assists in new management practices that seek to increase the efficiency of pollination by favoring, through natural means, fully compatible crosses.

https://doi.org/10.1590/s1678-3921.pab2022.v57.03031

Evidence for coabundance of leafminer flies and whiteflies in melon crops
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Lemos, Leandro José Uchôa

; Costa-Lima, Tiago Cardoso da

; Godoy, Wesley Augusto Conde

; Barros, Roberto Victor

; Barros, Reginaldo

Bragantia

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2021, Volume 80 elocation e0421

Abstract: En | Text: En | PDF: En

ABSTRACT Interspecific competitions are important mechanisms in structuring ecological communities, including agroecosystems, in which different species may share the same food resource. In melons, two major pests coexist in time and space, Liriomyza sativae Blanchard (Diptera: Agromyzidae) and Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae). The former feeds on the leaf mesophyll, while the latter on the phloem sap. Therefore, the same niche exploitation can trigger interactive processes between both populations. The present research aimed to determine if there are positive or negative interactions between whiteflies and leafminers under field conditions. The experiment was conducted in four commercial melon fields in northeast Brazil in two planting seasons. Thirty random plants were weekly selected for detection of whitefly nymphs and leafminer larvae throughout the entire crop cycle. The data was organized and analyzed considering the species abundance of L. sativae (larvae) and B. tabaci (nymphs and adults) in the same plant. Thus, the coabundance of species was investigated by using regressions with Poisson errors. The results suggest different fractions of negative, positive and neutral (not significant relationships) coabundance between the two species. Among 34 significant interactions, 56% were negative, suggesting that more than half of significant interactions are due to interspecific competition with negative coabundance.

https://doi.org/10.1590/1678-4499.20190459 882 downloads

In vitro pollination and fluorescence microscopy for characterization of gametophytic self-incompatibility of Coffea canephora Pierre ex A. Froehner
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Souza, Carolina Augusto de

; Rocha, Rodrigo Barros

; Santos, Maurício Reginaldo Alves dos

; Lopes, Tatiane Almeida

; Teixeira, Alexsandro Lara

; Espindula, Marcelo Curitiba

Crop Breeding and Applied Biotechnology

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2021, Volume 21 N. 4 elocation e37692142

Abstract: En | Text: En | PDF: En

Abstract The objectives of this study were to optimize in vitro pollination and fluorescence microscopy procedures to characterize the gametophytic self-incompatibility of Coffea canephora genotypes. For that purpose, 115 in vitro pollinations were carried out among 30 parent plants of the Conilon (17) and Robusta (13) botanical varieties. Tester plants of compatibility groups I, II, and III were used as pollen grain donors. On the day of anthesis, pollen grains of the donor genotypes were transferred in vitro to one of the sides of the bifid stigma of each receptor flower. After 30 hours, the development of the pollen tubes was evaluated in fluorescence microscopy. Eleven genotypes (37%) were classified in compatibility Group I, thirteen (43%) in Group II, and six (20%) in Group III. In vitro pollination allowed reduction in the time necessary to diagnose compatibility, without exhibiting contamination caused by the presence of pollen grains of non-donor plants.

https://doi.org/10.1590/1984-70332021v21n4a51 1 downloads

The genetic structure of Pristimantis latro. (Anura: Craugastoridae) mirrors traits of their life history
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Santana-Cornélio, Gilcilene

; Araújo-de-Oliveira, Elciomar

; Magalhães-Xavier, Keila

; Barros-da-Silva, Gabriela Wemilly

; França, Isadora

; Ribeiro Rodrigues, Luis Reginaldo

; Hernández-Ruz, Emil José

Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales

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sep 2020, Volume 44 N. 172 Pages 729 - 739

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

Resumen Una de las principales hipótesis para explicar el origen de la diversidad amazónica invoca el efecto de barrera de los ríos para explicar los patrones de diversidad. Esa hipótesis propone que algunos ríos pueden separar poblaciones continuas conduciendo a la diferenciación y la especiación. En ese sentido nos propusimos estudiar la estructura genética de Pristimantis latro, una especie recién descrita que habita una región bajo fuerte presión antrópica producto de la ganadería expansiva, la minería ilegal y la construcción de represas hidroeléctricas. El ADN se extrajo de 52 individuos de P. latro y se amplificó mediante reacción en cadena de la polimerasa (PCR) usando los marcadores mitocondriales 16S rRNA y COI. Para inferir el tiempo de divergencia entre las localidades de P. latro, construimos un árbol de especies e hicimos análisis de varianza molecular (AMOVA) para inferir la diferenciación genética entre y dentro de las poblaciones de P. latro. Encontramos que P. latro presenta una estructuración genética en las poblaciones de las márgenes derecha e izquierda del río Xingu y dentro de las regiones interfluviales deTapajós-Xingu y Xingu-Tocantins. Asimismo, el tiempo de divergencia entre las poblaciones de las márgenes derecha e izquierda del río Xingu aconteció hace aproximadamente 380.000 años. El patrón de estructura genética que se encontró se corresponde con el indicado en artículos recientes para el género Pristimantis, el cual revela que las especies sin renacuajos exhiben una estructura genética que responde a la hipótesis de los ríos como barreras.

Abstract One of the main hypotheses to explain the origin of Amazonian diversity is the barrier effect of the rivers known as the riverine-barrier hypothesis, which suggests that riverine barriers isolated once continuous populations leading to differentiation and speciation. In this context, we studied the genetic structure of Pristimantis latro, a newly described species that inhabits a region under marked anthropic pressure due to expansive livestock, illegal mining, and hydroelectric dam construction. The DNA was extracted from 52 P. latro individuals and then amplified via polymerase chain reaction (PCR) using the mitochondrial 16S rRNA and COI markers. To infer the time of divergence between the P. latro localities, we built a species tree and performed an analysis of molecular variance (AMOVA) to infer the genetic differentiation between and within the P. latro populations. We found that P. latro has a marked genetic structure in the populations of the right and left margins of the Xingu River and within the Tapajós-Xingu and Xingu-Tocantins interfluvial regions and that the time of divergence between the populations of the East and West banks of the Xingu River occurred approximately 380,000 years ago. This pattern of genetic structure corresponds to that reported in recent articles for the Pristimantis genus evidencing that species without tadpoles exhibit a genetic structure explained by the hypothesis of rivers as barriers.

https://doi.org/10.18257/raccefyn.956 41 downloads

Urban development and the importance of chamfers in corners lots: the case of Juína municipality, Mato Grosso State
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Araújo, Rildo Vieira de

; Lima, Halan Faria

; Galvão, Leonice Barros

; Costa, Reginaldo Brito da

Interações (Campo Grande)

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jan 2019, Volume 20 N. 1 Pages 141 - 153

Resumo: O estudo objetivou identificar e analisar o desenvolvimento urbanístico da cidade de Juína, MT, com foco nos chanfros dos lotes de esquinas e sua importância para a visibilidade de pedestres e veículos. Verificou-se que as esquinas com seus respectivos chanfros não possuem um padrão e inexistem em outras. Esta realidade ocorre em muitos municípios do Brasil.

Abstract: The study aimed at identifying and analyzing urban development in the city of Juína, MT, focusing on corner lots chamfers and their importance for the visibility of pedestrians and vehicles. It was found that corners and their respective chamfers did not present a pattern, whereas in others, there were no bevels. This reality occurs in many municipalities in Brazil.

Resumen: El estudio objetivó identificar y analizar el desarrollo urbanístico de la ciudad de Juina, MT, con foco en los bisel de los lotes de esquinas y su importancia para la visibilidad de peatones y vehículos. Se verificó que las esquinas con sus respectivos chanfros no poseen un patrón y no existen en otras. Esta realidad ocurre en muchos municipios de Brasil.

Résumé: L'étude visait à identifier et analyser le développement urbain de la ville de Juína, MT, en se concentrant sur les chanfreins des nombreux coins et leur importance pour la visibilité des piétons et des véhicules. Il a été constaté que les coins avec leurs chanfreins respectifs n'ont pas de motif et n'existent pas dans d'autres. Cette réalité se manifeste dans de nombreuses municipalités du Brésil.

https://doi.org/10.20435/inter.v20i1.1932 1288 downloads

TOMOGRAPHIC ANALYSIS OF SUBAXIAL CERVICAL VERTEBRAE IN CHILDREN BETWEEN 0 AND 12 YEARS
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MACHADO, LUCAS CASTRILLON CARMO

; LETAIF, OLAVO BIRAGHI

; MARCON, RAPHAEL MARTUS

; CRISTANTE, ALEXANDRE FOGAÇA

; OLIVEIRA, REGINALDO PERILO

; BARROS FILHO, TARCÍSIO ELOY PESSOA DE

Coluna/Columna

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jan 2017, Volume 16 N. 1 Pages 17 - 21

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

RESUMO Objetivo: Análise tomográfica e anatômica das vértebras cervicais em crianças de zero a doze anos de idade para verificar a possibilidade de passagem de parafuso de massa lateral. Métodos: Foram analisadas retrospectivamente 25 tomografias de coluna cervical de crianças entre 0 e 12 anos de idade, admitidas no pronto socorro do Hospital das Clínicas de São Paulo. Foram aferidas as seguintes medidas: largura e comprimento das massas laterais no corte axial; largura e altura no corte coronal; altura, comprimento e diâmetro diagonal no corte sagital. As variáveis estudadas foram correlacionadas com a idade e o sexo dos indivíduos e submetidas a análise estatística. Resultados: Por meio da análise de medidas tomográficas de 20 pacientes, foi verificada a correlação entre idade e dimensões das massas laterais, sendo estas maiores a partir dos 6 anos. Já em relação ao sexo, foram verificadas medidas maiores no sexo masculino em todos os eixos. Com relação à passagem dos parafusos, tivemos apenas 22 massas (11%) com impossibilidade de uso. Porém, quando estratificados pela idade, notamos não haver pacientes com impedimento para uso do parafuso de massa lateral após os 6 anos. Conclusão: O estudo analisou as medidas de 200 massas laterais, possibilitando inferir que existe aumento das suas dimensões com a idade e no sexo masculino. Através dos dados, foi possível afirmar que nesta amostra, considerando-se os implantes disponíveis no mercado, o parafuso de massa lateral poderia ser utilizado em 89% das massas laterais.

ABSTRACT Objective: Tomographic and anatomic analysis of cervical vertebrae in children from 0 to 12 years of age to verify the possibility of utilization of lateral mass screws. Methods: Twenty-five cervical spine tomographies of children between 0 and 12 years of age, admitted to the emergency room of Hospital das Clínicas of São Paulo were retrospectively analyzed. The following distances were measured: width and length of the lateral masses in the axial section; width and height in the coronal section; height, length and diagonal diameter in the sagittal section. The variables studied were correlated with age and sex and submitted to statistical analysis. Results: The analysis of tomographic measurements of 20 patients showed a correlation between age and dimensions of the lateral mass, which were higher after 6 years of age. In relation to sex, greater measures were observed in males in all axes. With regard to the passage of the screws, we only had 22 masses (11%) that prevented their use. However, when stratified by age, we noticed that no patients had restrictions on the use of the lateral mass screw after the age of 6. Conclusion: This study analyzed the measurements of 200 lateral masses, making it possible to infer that there is an increase of dimensions with age and in males. Through the data, it was possible to affirm that in this sample, considering the implants available in the market, the lateral mass screws could be used in 89% of the lateral masses.

RESUMEN Objetivo: Análisis tomográfico y anatómico de las vértebras cervicales en niños de hasta doce años de edad, para comprobar la posibilidad de pasaje de tornillos de masa lateral. Métodos: Se analizaron retrospectivamente 25 tomografías computarizadas de la columna cervical de niños entre 0 y 12 años de edad, ingresados en el servicio de urgencias del Hospital das Clínicas de São Paulo. Se tomaron las siguientes medidas: anchura y longitud de las masas laterales en corte axial; anchura y altura del corte coronal; altura, longitud y diámetro diagonal en el corte sagital. Las variables se correlacionaron con la edad y el sexo de los individuos y se sometieron a análisis estadístico. Resultados: Mediante el análisis de las mediciones tomográficas de 20 pacientes, se observó la correlación entre la edad y las dimensiones de las masas laterales, que son más grandes a partir de los 6 años de edad. En relación con el sexo, se observaron medidas más altas en los hombres en todos los ejes. En cuanto al paso de los tornillos, encontramos sólo 22 masas (11%) que impidieron su uso. Sin embargo, cuando se estratificó por edad, observamos que no había ningún impedimento para el uso de tornillo de masa lateral después de 6 años de edad. Conclusión: El estudio examinó las medidas de 200 masas laterales, por lo que es posible inferir que hay un aumento de tamaño con la edad y en el sexo masculino. De estos datos, fue posible afirmar que en esta muestra, teniendo en cuenta los implantes disponibles en el mercado, el tornillo de masa lateral podría ser utilizado en el 89% de las masas laterales.

https://doi.org/10.1590/s1808-185120171601163228 829 downloads

Kidney involvement in malaria: an update
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Silva Junior, Geraldo Bezerra da

; Pinto, José Reginaldo

; Barros, Elvino José Guardão

; Farias, Geysa Maria Nogueira

; Daher, Elizabeth De Francesco

Revista do Instituto de Medicina Tropical de São Paulo

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2017, Volume 59 elocation e53

Abstract: En | Text: En | PDF: En

ABSTRACT Malaria is an infectious disease of great importance for Public Health, as it is the most prevalent endemic disease in the world, affecting millions of people living in tropical areas of the globe. Kidney involvement is relatively frequent in infections by P. falciparum and P. malariae, but has also been described in the infection by P. vivax. Kidney complications in malaria mainly occur due to hemodynamic dysfunction and immune response. Liver complications leading to hepatomegaly, jaundice and hepatic dysfunction can also contribute to the occurrence of acute kidney injury. Histologic studies in malaria also evidence glomerulonephritis, acute tubular necrosis and acute interstitial nephritis. It is also possible to find chronic kidney disease associated with malaria, mainly in those patients suffering from repeated episodes of infection. Plasmodium antigens have already been detected in the glomeruli, suggesting a direct effect of the parasite in the kidney, which can trigger an inflammatory process leading to different types of glomerulonephritis. Clinical manifestations of kidney involvement in malaria include proteinuria, microalbuminuria and urinary casts, reported in 20 to 50% of cases. Nephrotic syndrome has also been described in the infection by P. falciparum, but it is rare. This paper highlights the main aspects of kidney involvement in malaria and important findings of the most recent research addressing this issue.

https://doi.org/10.1590/s1678-9946201759053 5320 downloads

COMPUTED TOMOGRAPHY MORPHOMETRIC ANALYSIS OF THE VERTEBRAE C7 AND T1
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ZELADA, FLÁVIO GERARDO BENITES

; LETAIF, OLAVO BIRAGHI

; MARCON, RAPHAEL MARTUS

; CRISTANTE, ALEXANDRE FOGAÇA

; OLIVEIRA, REGINALDO PERILO

; BARROS FILHO, TARCÍSIO ELOY PESSOA DE

Coluna/Columna

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sep 2016, Volume 15 N. 3 Pages 205 - 208

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

RESUMO Objetivo: O estudo anatômico das vértebras da transição cervicotorácica C7 e T1 teve como objetivo avaliar quantitativamente, por tomografia computadorizada axial (TC), as dimensões anatômicas lineares e angulares de lâminas das vértebras da transição cervicotorácica C7 e T1 em indivíduos adultos maiores de 18 anos. Métodos: Foram analisadas retrospectivamente 49 TC da coluna cervical e torácica (C7 e T1) de indivíduos maiores de 18 anos, de ambos os sexos. Avaliaram-se o comprimento e a espessura das lâminas, bem como o ângulo espinolaminar, em cortes axiais de C7 e T1, no ponto de menor espessura entre as camadas corticais internas. As variáveis estudadas foram correlacionadas com os grupos etários e o sexo dos indivíduos. A análise estatística foi feita pelo teste t e os resultados foram considerados significativos quando p < 0,05. Resultados: Após análise de medidas tomográficas de 49 pacientes, foi verificado que os homens apresentaram espessura de lâmina maior que as mulheres tanto em C7, quanto em T1, sendo que 71% das lâminas de C7 e 92% das lâminas de T1 apresentavam espessura maior que 5 mm e 97% das lâminas de C7 e 100% de T1, espessura maior que 4 mm. O ângulo espinolaminar apresentou média de 56,40 graus em C7 e 57,31 graus em T1. Conclusão: O estudo traz informações anatômicas importantes sobre a região da transição cervicotorácica C7 e T1 na população brasileira, mostrando ser possível anatomicamente, fixação de C7 e T1 com parafuso intralaminar.

ABSTRACT Objective: The anatomical study of the vertebrae C7 and T1 of the cervicothoracic junction aimed to evaluate quantitatively, by axial computerized tomography (CT), the linear and angular dimensions of the anatomical laminae of the vertebrae of the cervicothoracic junction C7 and T1 in adults over 18 years. Methods: We retrospectively analyzed 49 CT of the cervical and thoracic spine (C7 and T1) of individuals over 18 years, of both sexes. We also evaluated the length and thickness of the laminae, as well as spinolaminar angle in axial sections of C7 and T1 at the point of least thickness between the inner cortical layers. The variables were correlated with age groups and sex of the individuals. Statistical analysis was performed using the t test and the results were considered significant when p<0.05. Results: After analyzing tomographic measurements of 49 patients, it was found that men had greater laminae thickness than women, both in C7 and T1, with 71% of C7 laminae and 92% of T1 laminae thicker than 5mm, and 97% of C7 laminae and 100% of T1 thicker than 4mm. The mean spinolaminar angle was 56.40 degrees in C7 and 57.31 degrees in T1. Conclusion: This study brings important anatomical information about the cervicothoracic junction C7 and T1 in the Brazilian population, showing that fixation of C7 and T1 with intralaminar screws is anatomically possible.

RESUMEN Objetivo: El estudio anatómico de las vértebras de la unión cervicotorácica C7 y T1 tuvo el objetivo de evaluar cuantitativamente mediante tomografía axial computarizada (TAC), las dimensiones anatómicas lineales y angulares de láminas de las vértebras de la unión cervicotorácica C7 y T1 en adultos mayores de 18 años. Métodos: Se analizaron retrospectivamente 49 TAC de la columna cervical y torácica (C7 y T1) de pacientes mayores de 18 años de ambos sexos. Se evaluaron la longitud y el espesor de las láminas, así como el ángulo espinolaminar en secciones axiales de C7 y T1 en el punto de menor espesor entre las capas corticales internas. Las variables se correlacionaron con los grupos de edad y sexo de los individuos. El análisis estadístico se realizó mediante la prueba t y los resultados se consideraron significativos cuando p < 0,05. Resultados: Después del análisis de las mediciones tomográficas de 49 pacientes, se encontró que los hombres tenían espesor de la lámina mayor que las mujeres, tanto en C7, como en T1, con el 71% de las láminas C7 y el 92% de las láminas T1 con espesor mayor que 5 mm, 97% de C7 y 100% de T1, mayor que 4 mm de espesor. El ángulo espinolaminar promedio fue 56,40 grados en C7 y 57,31 grados en T1. Conclusión: Este estudio contiene información anatómica importante sobre la región de la unión cervicotorácica C7 y T1 en la población brasileña, mostrando que es anatómicamente posible la fijación de C7 y T1 con tornillos intralaminares.

https://doi.org/10.1590/S1808-185120161503146815 1452 downloads

10.

TOMOGRAPHIC ANALYSIS OF T-1 VERTEBRA TO INSERT LAMINAR SCREWS IN CHILDREN FROM 0 TO 12 YEARS
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Marchese, Luiz Roberto Delboni

; Letaif, Olavo Biraghi

; Marcon, Raphael Martus

; Cristante, Alexandre Fogaça

; Oliveira, Reginaldo Perilo

; Barros Filho, Tarcísio Eloy Pessoa de

Coluna/Columna

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dec 2015, Volume 14 N. 4 Pages 304 - 307

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

Objetivo : Análise tomográfica da vértebra T1 em crianças de zero a doze anos de idade, obtendo parâmetros anatômicos que auxiliarão a fixação intralaminar nessa população infantil. Métodos : Análise retrospectiva da coluna por TC (cervical e torácica) de indivíduos entre 0 e 12 anos de idade, de ambos os sexos, sem deformidades anatômicas. Foram avaliados, separadamente, em cada lado, o comprimento e a espessura das lâminas, bem como o ângulo espino-laminar. A análise morfométrica foi realizada com o programa iSite PACS Philips Healthcare Informatics(r) e os valores obtidos foram expressos em milímetros (mm). As variáveis estudadas foram correlacionadas com os grupos etários e o sexo dos indivíduos. A análise estatística foi feita pelo teste t e os resultados foram considerados significativos quando p < 0,05. Resultados : Por meio de análises tomográficas de 24 pacientes, verificou-se que a idade não tem correlação com o ângulo de ataque para parafusos intralaminares de T1. Já o comprimento e a espessura da lâmina de T1 aumentam proporcionalmente com a idade. O comprimento médio total das lâminas foi de 28,62 ± 4,42 mm. A média total da espessura 4,75 ± 0,95 mm (3,2 a 6,5). Conclusão : O presente estudo mostra dados relevantes sobre a utilização de parafusos translaminares, que atualmente são disponíveis comercialmente com espessura mínima de 3,5 mm. É possível, assim, afirmar que, nesta amostra, pode ser utilizado em 87,5% do total de lâminas, sendo aplicável em todas as lâminas nos pacientes acima de 44 meses de idade.

Objective : Tomographic analysis of the T1 vertebra in children from 0 to 12 years of age, in order to obtain anatomical parameters that assist intralaminar fixation in this pediatric population. Methods : Retrospectively analysis of the spine with CT (cervical and thoracic) of individuals aged between 0 and 12 years old, of both sexes, without anatomical deformities. The CT scans were evaluated separately, on each side, for length and thickness of the laminas as well as spinolaminar angle. The morphometric analysis was performed with iSite PACS Philips Healthcare Informatics(r) program and the values were expressed in millimeters (mm). The variables were correlated with age groups and sex of individuals. Statistical analysis was performed using t test and the results were considered significant when p<0.05. Results : By means of tomographic analysis of 24 patients it was found that age has no correlation with the angle of attack for intralaminar screws T1. However, the length and thickness of the T1 lamina increase proportionally with age. The total average length of the laminas was 28.62 ± 4.42 mm. The total average thickness was 4.75 ± 0.95 mm (3.2 to 6.5). Conclusion : This study shows relevant data on the use of Tran laminar screws currently commercially available with a minimum thickness of 3.5 mm. It is thus possible to say in this sample, they can be used in 87.5% of all laminas, being applicable in all lamina in patients older than 44 months of age.

Objetivo : Análisis tomográfico de la vértebra T1 en niños de cero a doce años de edad, para obtener parámetros anatómicos que ayudarán la fijación con tornillos intralaminares en esta población infantil. Métodos : Análisis retrospectivo de la columna por TAC (cervical y torácica) de individuos entre 0 y 12 años de edad, de ambos sexos, sin deformidades anatómicas. Se evaluaron por separado, en cada lado, la longitud y el grosor de las láminas, así como el ángulo espinolaminar. El análisis morfométrico se realizó con el programa iSite PACS Philips Healthcare Informatics(r) y los valores se expresaron en milímetros (mm). Las variables se correlacionaron con los grupos de edad y sexo de los individuos. Se realizó un análisis estadístico mediante la prueba t y los resultados se consideraron significativos cuando p < 0,05. Resultados : Por medio de análisis tomográficos de 24 pacientes, se encontró que la edad no se correlaciona con el ángulo de ataque para tornillos intralaminares T1. Sin embargo, la longitud y el grosor de la lámina T1 aumentan proporcionalmente con la edad. La longitud promedio total de las láminas fue 28,62 ± 4,42 mm. El espesor promedio total fue 4,75 ± 0,95 mm (3,2 a 6,5). Conclusión : Este estudio muestra datos relevantes sobre el uso de tornillos translaminares que actualmente están disponibles en el mercado con un espesor mínimo de 3,5 mm. Por tanto, es posible afirmar que, en esta muestra, se puede utilizarlos en el 87,5% de todas las láminas siendo aplicable en todas las láminas de pacientes mayores de 44 meses de edad.

https://doi.org/10.1590/S1808-185120151404147916 989 downloads

11.

SUBAXIAL CERVICAL FRACTURE: APPLICATION AND CORRELATION OF AO AND SLIC
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Ono, Allan Hiroshi de Araujo

; Rocha, Ivan Dias da

; Cristante, Alexandre Fogaça

; Marcon, Raphael Martus

; Oliveira, Reginaldo Perilo

; Barros Filho, Tarcísio Eloy Pessoa

Coluna/Columna

Journal Metrics
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sep 2015, Volume 14 N. 3 Pages 218 - 222

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

Objetivo:Avaliar as classificações AO-Magerl e SLIC (Subaxial Cervical Spine Injury Classification) utilizadas em fraturas da coluna cervical e avaliar se elas apresentam correlações com a gravidade neurológica dos pacientes, com a escolha da via de acesso, a duração do ato cirúrgico e entre si mesmas.Métodos:Análise retrospectiva do prontuário e acervo de imagens radiológicas dos 77 pacientes submetidos à cirurgia de fratura e ou luxação da coluna cervical subaxial, no período de agosto de 2010 a setembro de 2012.Resultados:A classificação SLIC apresentou forte correlação com déficit neurológico, com valor de correlação de Pearson de -0,600. Já a classificação AO não apresentou correlação com a escala de Frankel, e o valor de Pearson foi de 0,06 com significância estatística de 0,682 (p < 0,05), ou seja, incapaz de determinar ou sugerir a gravidade do déficit. Quando comparadas entre si as duas classificações apresentaram correlação estatística e o valor de Pearson foi de 0,282 com valor de significância de 0,022 (p < 0,05).Conclusão:Entre as classificações mais utilizadas, a classificação SLIC foi estatisticamente capaz de definir necessidade de tratamento cirúrgico e a gravidade do estado neurológico, porém foi incapaz de predizer a via de acesso ou o tempo de duração da cirurgia; a classificação AO falhou em predizer a gravidade da lesão neurológica, o tempo cirúrgico e em auxiliar a escolha da via de acesso, sendo apenas uma classificação morfológica.

Objective:To evaluate the AO/Magerl classification and the SLIC (Subaxial Cervical Spine Injury Classification), used in the cervical spine fractures and assess whether they are correlated to the neurological severity of patients, the choice of approach to be used, de duration of surgery an between themselves.Method:Retrospective analysis of medical records and radiological image files of 77 patients surgically treated of subaxial cervical fracture or dislocation from August 2010 to September 2012.Results:The SLIC classification showed a strong correlation with neurological deficit and Pearson correlation value of -0.600. The AO classification was not correlated with the Frankel scale and the value of Pearson was 0.06 with a statistical significance of 0.682 (p<0.05), that is, unable to determine or suggest the severity of the deficit. When compared to each other the two classifications showed statistical correlation and the value of Pearson was 0.282 with a significance value of 0.022 (p<0.05).Conclusion:Among the most used classifications, the SLIC has been able to statistically define the need for surgical treatment and the severity of the neurological status, but was unable to predict the approach or the time of the surgery; the classification AO failed to predict the severity of neurological injury, surgical time, and did not help to choose the approach, just being a morphological classification.

Objetivo:Evaluar las clasificaciones AO/Magerl y SLIC (Subaxial Cervical Spine Injury Classification) utilizadas en las fracturas de la columna cervical y evaluar si tienen correlación con la gravedad neurológica de los pacientes, la elección de la vía de acceso, la duración de la cirugía y si están correlacionados entre sí.Método:Análisis retrospectivo de registros médicos y colección de imágenes radiológicas de 77 pacientes tratados quirúrgicamente de fractura o dislocación de la columna cervical subaxial, desde agosto 2010 a septiembre 2012.Resultados:La clasificación SLIC mostró una fuerte correlación con déficit neurológico y el valor de correlación de Pearson de -0,600. La clasificación AO no se correlacionó con la escala de Frankel y el valor de Pearson fue 0,06, con una significación estadística de 0,682 (p < 0,05), es decir, incapaz de determinar o sugerir la gravedad del déficit. Cuando se compararon entre sí, las dos clasificaciones mostraron correlación estadística y el valor de Pearson fue de 0,282, con valor de significación de 0,022 (p < 0,05).Conclusión:Entre las clasificaciones más utilizadas, la calificación SLIC ha sido capaz de definir estadísticamente la necesidad de tratamiento quirúrgico y la gravedad del estado neurológico, pero fue incapaz de predecir la vía de acceso o la duración de la cirugía; la clasificación AO no logró predecir la gravedad de la lesión neurológica, el tiempo quirúrgico ni auxilió a elegir la vía de acceso, siendo sólo una clasificación morfológica.

https://doi.org/10.1590/S1808-185120151403114135 5907 downloads

12.

Controlled medial branch anesthetic block in the diagnosis of chronic lumbar facet joint pain: the value of a three-month follow-up
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Rocha, Ivan Dias da

; Cristante, Alexandre Fogaça

; Marcon, Raphael Martus

; Oliveira, Reginaldo Perilo

; Letaif, Olavo Biraghi

; Barros Filho, Tarcisio Eloy Pessoa de

Clinics

Journal Metrics
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aug 2014, Volume 69 N. 8 Pages 529 - 534

Abstract: En | Text: En | PDF: En

OBJECTIVES: To verify the incidence of facetary and low back pain after a controlled medial branch anesthetic block in a three-month follow-up and to verify the correlation between the positive results and the demographic variables. METHODS: Patients with chronic lumbar pain underwent a sham blockade (with a saline injection) and then a controlled medial branch block. Their symptoms were evaluated before and after the sham injection and after the real controlled medial branch block; the symptoms were reevaluated after one day and one week, as well as after one, two and three months using the visual analog scale. We searched for an association between the positive results and the demographic characteristics of the patients. RESULTS: A total of 104 controlled medial branch blocks were performed and 54 patients (52%) demonstrated >50% improvements in pain after the blockade. After three months, lumbar pain returned in only 18 individuals, with visual analogue scale scores >4. Therefore, these patients were diagnosed with chronic facet low back pain. The three-months of follow-up after the controlled medial branch block excluded 36 patients (67%) with false positive results. The results of the controlled medial branch block were not correlated to sex, age, pain duration or work disability but were correlated with patient age (p<0.05). CONCLUSION: Patient diagnosis with a controlled medial branch block proved to be effective but was not associated with any demographic variables. A three-month follow-up is required to avoid a high number of false positives.

https://doi.org/10.6061/clinics/2014(08)05 2571 downloads

13.

Follow-up of obstructive sleep apnea in children
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Barros, Emília Leite de

; Pradella-Hallinan, Marcia

; Moreira, Gustavo Antonio

; Stefanini, Daniele de Oliveira Soares

; Tufik, Sergio

; Fujita, Reginaldo Raimundo

Brazilian Journal of Otorhinolaryngology

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aug 2014, Volume 80 N. 4 Pages 277 - 284

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

INTRODUÇÃO: a evolução do ronco e da síndrome da apneia/hipoapneia obstrutiva do sono (SAOS) na infância ainda não está bem estabelecida e poucos estudos desses pacientes sem o tratamento cirúrgico foram publicados. OBJETIVO: avaliar a evolução da apneia e do ronco primário em crianças que não foram submetidas a cirurgia das vias aéreas superiores. MÉTODOS: foram avaliadas prospectivamente 26 crianças com ronco que não haviam sido submetidas a tratamento cirúrgico. Todas foram submetidas a exame físico, nasofibroscopia e polissonografia, a partir dos quais foram divididos em dois grupos: SAOS (16 crianças) e ronco (10 crianças). Após 6 meses da avaliação inicial, os exames foram repetidos, e os dados encontrados foram comparados. RESULTADOS: os grupos não apresentaram diferença entre si comparando idade, peso, altura e exame físico. Quando comparamos os resultados das duas polissonografias, houve um aumento da porcentagem do estágio do sono N1 no grupo ronco. O índice de apneia/hipoapnéeia (IAH) não apresentou alteração em ambos os grupos, o índice de distúrbios respiratórios (IDR) aumentou no grupo ronco, e o número de hipopneias diminuiu no grupo SAOS. CONCLUSÃO: houve aumento da porcentagem do estágio 1 do sono não-REM e do IDR nos pacientes com ronco primário; o IAH não apresentou alteração significante; o número de hipoapneias diminuiu nos pacientes com SAOS.

INTRODUCTION: the evolution of snoring and OSAS in children is not well established since few studies of patients without surgical treatment have been published. OBJECTIVE: to evaluate the evolution of sleep disordered breathing in children who had not been submitted to upper airway surgery. METHOD: twenty-six children with snoring who had not undergone upper airway surgery were evaluated prospectively. Patients were evaluated by full physical examination and nocturnal polysomnography, after which they were divided into 2 groups: apnea (16 children) and snoring (10 children). After 6 months following the initial evaluation, patients were submitted to a new nocturnal polysomnography, and all data were compared to those of the first examination. RESULTS: the groups did not show any differences regarding age, weight, height and airway physical examination. After 6 months of follow-up, the apnea index did not change, but the respiratory disturbance index increased in the snoring group and the number of hypopneas decreased in the group apnea. CONCLUSION: there was an increase in the percentage of N1 sleep stage and the respiratory disturbance index in the patients with primary snore. The AHI did not show significant alteration in both groups, but the number of hypopneas decreased in patients with SAOS.

https://doi.org/10.1016/j.bjorl.2014.05.008 2702 downloads

14.

Functional assessment of patients with cervical myelopathy who underwent surgical treatment
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Coutinho, Thiago Pereira

; Iutaka, Alexandre Sadao

; Cristante, Alexandre Fogaça

; Rocha, Ivan Dias

; Marcon, Raphael Martus

; Oliveira, Reginaldo Perilo

; Barros Filho, Tarcísio Eloy Pessoa de

Coluna/Columna

Journal Metrics
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mar 2014, Volume 13 N. 1 Pages 23 - 26

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

OBJETIVO: Avaliar e correlacionar a resposta funcional dos pacientes com mielopatia cervical com os escores clínicos já existentes, em pacientes que foram submetidos ao tratamento cirúrgico. MÉTODOS: Trabalho retrospectivo com análise de 34 prontuários de pacientes portadores de mielopatia cervical que foram submetidos a quatro diferentes tipos de cirurgia. Todos os pacientes foram avaliados no pré e pós-operatório com a aplicação dos questionários de JOA e Nurick. RESULTADOS: A melhora clínica funcional foi estatisticamente relevante. O JOA pré-operatório médio foi de 8,5 ± 3,06 para 10,7 ± 3,9, no pós-operatório e o Nurick foi 3,2 ± 1,1 no pré-operatório e de 2,8 ± 1,3 no pós-operatório. CONCLUSÃO: Há benefício com a realização do tratamento cirúrgico em pacientes com mielopatia cervical, a função neurológica pós-operatória depende da função prévia (quanto maior o tempo de sintomas, maior progressão e, com isso pior a função neurológica) e a idade dos pacientes não é fator relevante de melhora, como já mostrado em outras séries. A melhora funcional clínica dos pacientes, é visível com o tratamento cirúrgico, independente da técnica cirúrgica aplicada.

OBJECTIVE: Evaluate and correlate the functional response of patients with cervical myelopathy with the current clinical scores in patients who underwent surgical treatment. METHODS: We analyzed medical records of 34 patients with cervical myelopathy who underwent four different types of surgery. All patients were evaluated preoperatively and postoperatively with the application of the JOA and Nurick questionnaires. RESULTS: Functional clinical improvement was statistically significant. The mean preoperative JOA was 8.5 ± 3.06 and 10.7 ± 3.9 in the postoperative; Nurick was 3.2 ± 1.1 preoperatively and 2.8 ± 1.3 postoperatively. CONCLUSION: There is benefit with the surgical procedure in patients with cervical myelopathy. The neurological function after surgery depends on the previous function (the higher the duration of the previous symptoms, the greater the progression of the disease and, therefore, worse the neurological function) and the age is not a relevant factor of improvement, as already shown in other series. The clinical functional improvement of patients is visible with surgical treatment, regardless of surgical technique.

OBJETIVO: Evaluar y correlacionar la respuesta funcional de los pacientes con mielopatía cervical con las puntuaciones clínicas vigentes en pacientes sometidos a tratamiento quirúrgico. MÉTODOS: Se analizaron los registros médicos de 34 pacientes con mielopatía cervical que se sometieron a cuatro diferentes tipos de cirugía. Todos los pacientes fueron evaluados antes y después de la cirugía con la aplicación de los cuestionarios JOA y Nurick. RESULTADOS: La mejoría clínica funcional fue estadísticamente significativa. El JOA preoperatorio promedio fue de 8,5 ± 3,06 y 10,7 ± 3,9 en el postoperatorio. El Nurick antes de la operación fue 3,2 ± 1,1 y 2,8 ± 1,3 después de la operación. CONCLUSIÓN: Existe beneficio con el tratamiento quirúrgico en pacientes con mielopatía cervical. La función neurológica después de la cirugía depende de la función previa (cuanto mayor sea la duración de los síntomas anteriores, mayor será la progresión de la enfermedad y, por lo tanto, peor es la función neurológica) y la edad no es un factor relevante de la mejora, como ya se ha demostrado en otras series. La mejora clínica funcional de los pacientes es visible con el tratamiento quirúrgico, independientemente de la técnica quirúrgica y esto está directamente relacionado con su condición antes de la cirugía.

https://doi.org/10.1590/S1808-18512014130100217 4048 downloads

15.

Fractures of the cervical spine
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Marcon, Raphael Martus

; Cristante, Alexandre Fogaca

; Teixeira, William Jacobsen

; Narasaki, Douglas Kenji

; Oliveira, Reginaldo Perilo

; Barros, Tarcisio Eloy Pessoa de

Clinics

Journal Metrics
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nov 2013, Volume 68 N. 11 Pages 1455 - 1461

Abstract: En | Text: En | PDF: En

OBJECTIVES: The aim of this study was to review the literature on cervical spine fractures. METHODS: The literature on the diagnosis, classification, and treatment of lower and upper cervical fractures and dislocations was reviewed. RESULTS: Fractures of the cervical spine may be present in polytraumatized patients and should be suspected in patients complaining of neck pain. These fractures are more common in men approximately 30 years of age and are most often caused by automobile accidents. The cervical spine is divided into the upper cervical spine (occiput-C2) and the lower cervical spine (C3-C7), according to anatomical differences. Fractures in the upper cervical spine include fractures of the occipital condyle and the atlas, atlanto-axial dislocations, fractures of the odontoid process, and hangman's fractures in the C2 segment. These fractures are characterized based on specific classifications. In the lower cervical spine, fractures follow the same pattern as in other segments of the spine; currently, the most widely used classification is the SLIC (Subaxial Injury Classification), which predicts the prognosis of an injury based on morphology, the integrity of the disc-ligamentous complex, and the patient's neurological status. It is important to correctly classify the fracture to ensure appropriate treatment. Nerve or spinal cord injuries, pseudarthrosis or malunion, and postoperative infection are the main complications of cervical spine fractures. CONCLUSIONS: Fractures of the cervical spine are potentially serious and devastating if not properly treated. Achieving the correct diagnosis and classification of a lesion is the first step toward identifying the most appropriate treatment, which can be either surgical or conservative.

https://doi.org/10.6061/clinics/2013(11)12 7364 downloads Cited 2 times in SciELO

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