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1.
Braz. j. med. biol. res ; 55: e12109, 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1403906

ABSTRACT

PREDICT is a tool designed to estimate the benefits of adjuvant therapy and the overall survival of women with early breast cancer. The model uses clinical, histological, and immunohistochemical variables. This study aimed to evaluate the model's performance in a Brazilian population. We assessed the discrimination and calibration of the PREDICT model to estimate overall survival (OS) in five and ten years of follow-up in a cohort of 873 women with early breast cancer diagnosed from January 2001 to December 2016. A total of 743 patients had estrogen receptor (ER)-positive and 130 had ER-negative tumors. The area under the receiver operating characteristic (ROC) curve (AUC) for discrimination was 0.72 (95%CI: 0.66-0.78) at five years and 0.67 (95%CI: 0.61-0.72) at ten years for women with ER-positive tumors. The AUC was 0.72 (95%CI: 0.62-0.81) at five years and 0.67 (95%CI: 0.54-0.77) at ten years for women with ER-negative tumors. The predicted survival in ER-positive tumors was 91.0% (95%CI: 90.2-91.6%) at five years and 79.3% (95%CI: 77.7-81.0%) at ten years, and the observed survival 90.7% (95%CI: 88.6-92.9%) and 77.2% (95%CI: 73.4-81.4%), respectively. The predicted survival in ER-negative tumors was 84.5% (95%CI: 82.5-86.6%) at five years and 75.0% (95%CI: 71.6-78.5%) at ten years, and the observed survival 76.3% (95%CI: 69.1-84.3%) and 67.9% (95%CI: 58.6-78.6%), respectively. In conclusion, PREDICT was accurate to estimate OS in women with ER-positive tumors and overestimated the OS in women with ER-negative tumors.

2.
Rev. bras. plantas med ; 17(4): 562-569, out.-dez. 2015. tab, graf
Article in Portuguese | LILACS | ID: lil-763217

ABSTRACT

RESUMOO conhecimento do sistema reprodutivo é fundamental para a conservação e manejo de uma espécie. O objetivo deste trabalho foi descrever a fenologia da floração, a antese, registrar os insetos visitantes no período de floração, determinar as características morfométricas das flores e o sistema reprodutivo da erva-baleeira, em um ambiente de Cerrado do Norte de Minas Gerais. Entre maio a dezembro de 2012 foi caracterizado o comportamento fenológico da floração. Na análise da fenologia floral foi determinado: o crescimento da inflorescência, o número de flores e frutos por inflorescências. Utilizou-se seis acessos que tiveram dez inflorescências marcadas em cada acesso, totalizando 60 inflorescências. A antese foi determinada utilizando quatro inflorescências em duas plantas. Os visitantes florais foram observados in loco e capturados em três dias consecutivos de coleta. As características morfométricas foram determinadas com paquímetro utilizando 20 flores, sendo cinco flores de quatro acessos. Para determinar o sistema reprodutivo utilizou-se a razão pólen:óvulo (P:O), utilizando 50 flores, sendo 10 flores de cinco acessos em pré-antese. Nas condições de Montes Claros, o crescimento das inflorescências de erva-baleeira ocorreu entre meados de agosto e início de outubro, totalizando 45 dias. O florescimento foi observado entre meados de setembro e final de outubro, enquanto a frutificação ocorreu de meados de outubro a início de dezembro, sendo que ambos ocorreram de forma irregular. A antese floral de erva-baleeira, neste estudo, ocorre entre 7:00 e 11:00 horas. Os insetos visitantes pertencem as ordens Coleoptera, Hemiptera, Diptera e Hymenoptera. As flores apresentaram o diâmetro de 2,13 ± 0,05 (mm), o comprimento de 3,29 ± 0,08 (mm), diâmetro do ovário de 0,70 ± 0,02 (mm), o comprimento do ovário de 2,48 ± 0,12 (mm), o diâmetro da antera de 0,67 ± 0,01(mm) e o comprimento da antera de 0,93 ±0,02 (mm), quatro óvulos e cinco anteras por flor. A razão P:O foi de 576,542, indicando que a espécie é alógama facultativa.


ABSTRACTThe knowledge of the reproductive system is essential for the conservation and management of the species. This study aimed on several procedures, as follows: to describe the phenology of flowering, the anthesis; to record the visiting insects during flowering and to determine the morphometric characteristics of the flowers and the reproductive system of the "erva-baleeira", in an environment of Northern Cerrado in the State of Minas Gerais. From May to December 2012, the flowering phenology of six access was characterized. In the analyzes of floral phenology it were determined the growth of the inflorescence and the number of flowers and fruits per inflorescence by using six access which had ten inflorescences marked in each access l, totalizing sixty inflorescences. The anthensis was assessed using four inflorescences in two plants. The flower`s visitors were observed live and captured in three consecutive days of sampling. The morphometric characteristics were determined with a caliper using 20 flowers, with five flowers from four access. In order to determine the reproductive system it was employed a ratiopollen: ovule (P: O) with 50 flowers and 10 of them belonging to five accesses in the pre-anthesis. Under the conditions of Montes Claros, the growth of inflorescences from Cordia occurred between mid-August and early October, totalizing 45 days. The flowering was observed between mid-September and late October, and the fruiting occurred from mid-October to early December. Both phases happened irregularly. The anthesis of the Cordia, in this study, occurred between 7:00 and 11:00 o`clock.. The visiting insects identified were from the orders of Coleoptera, Hemiptera, Diptera and Hymenoptera. The flowers exhibited a diameter of 2.13 ± 0.05 (mm), length of 3.29 ± 0.08 (mm), diameter of 0.70 ± 0.02 Ovarian (mm), the length of the ovary was 2.48 ± 0.12 (mm), the diameter of the anther 0.67 ± 0.01 (mm) and the length anther was 0.93 ± 0.02 (mm), with five anthers and four ovules per flower. The reason P: O was 576.542, indicating that the species is facultative allogamous.


Subject(s)
Cordia/anatomy & histology , Flowers/anatomy & histology , Plants, Medicinal/classification , Boraginaceae/anatomy & histology , Insecta/classification
3.
Int. j. odontostomatol. (Print) ; 8(1): 93-97, Apr. 2014. ilus, tab
Article in English | LILACS | ID: lil-711552

ABSTRACT

Facial asymmetry is a common human characteristic and can occur on many levels, originate of genetic factors, and can be caused by traumas or due to cross bite and/or muscular disability. The aim of this study was to evaluate the relation between posterior crossbite, median line deviation and facial asymmetry. For this study 70 children aged between 3 and 10 years-old were examined and photographed. Using Microsoft Office Power Point 2007, horizontal lines and one vertical line on median line were drawn, to subjectively analyze facial discrepancies. In relation to overjet, the majority of children (78.6%) showed normal relation, followed by high overjet (17.1%), anterior crossbite (4.3%). In relation to overbite, the majority of children (60%) showed normal relation, 27.1% anterior opened bite (negative overbite), and 12.9% showed high overbite. Posterior crossbite was present in 27.1% of children. Among them, 68.4% showed unilateral crossbite on right side, 21.1% bilateral crossbite and 10.5% unilateral crossbite on left side. The relation between posterior crossbite and facial asymmetry, according to Fisher´s Exact Test (p=0.0970), there was no statistically significant association. In relation to median line, the association was statistically significant with posterior crossbite (p=0.0109) and with facial asymmetry (p=0.0310). There was association between posterior crossbite and median line deviation. There was no association between posterior crossbite and facial asymmetry


La asimetría facial es una característica humana común que puede ocurrir en diferentes niveles, originarse por factores genéticos, ser causada por traumas o mordida cruzada como resultado o discapacidad muscular. El objetivo de este estudio fue evaluar la relación entre la mordida cruzada posterior, desviación de la línea mediana y asimetría facial. Fueron evaluados 70 niños entre 3 y 10 años de edad mediante examen clínico y fotográfico. Utilizando Microsoft Power Point Office 2007, se dibujaron líneas horizontales y una línea vertical en la línea mediana, para analizar subjetivamente las diferencias faciales. En relación con el resalte, la mayoría de los niños (78,6%) mostró relación normal, seguido por un resalte aumentado (17,1%) y mordida cruzada anterior (4,3%). En relación con la sobremordida, la mayoría de los niños (60%) mostró relación normal, 27,1% una mordida abierta anterior (sobremordida negativa) y 12,9% mostró una sobremordida aumentada. La mordida cruzada posterior estuvo presente en 27,1% de los niños. Entre ellos, el 68,4% presentaba mordida cruzada unilateral del lado derecho, 21,1% mordida cruzada bilateral y el 10,5% mordida cruzada unilateral en el lado izquierdo. No hubo asociación estadísticamente significativa entre la mordida cruzada posterior y asimetría facial según la prueba exacta de Fisher (p=0,0970). En relación a la línea mediana, se observo una asociación estadísticamente significativa entre mordida cruzada posterior (p = 0,0109) y asimetría facial (p=0,0310). Existe asociación entre la mordida cruzada posterior y la desviación de línea mediana. No hubo asociación entre la mordida cruzada posterior y asimetría facial


Subject(s)
Humans , Male , Female , Child, Preschool , Child , Facial Asymmetry , Malocclusion/physiopathology , Overbite/physiopathology
4.
Arq. bras. med. vet. zootec ; 61(1): 57-65, fev. 2009. ilus, graf, tab
Article in English | LILACS | ID: lil-513024

ABSTRACT

The effects of α-tocopherol and ternatin on the morphology, activation, and growth of goat preantral follicles in vitro cultured, for one or five days, were evaluated. Ovarian fragments were immediately fixed (non-cultured control) or in vitro cultured for one or five days in Minimum Essential Medium (MEM) with or without α-tocopherol or ternatin supplementation, both at concentrations of 5, 10, or 15µM, corresponding to the following treatments: MEM, TOC5, TOC10, TOC 15, TER5, TER10, and TER15. The percentages of morphologically normal preantral follicles in non-cultured ovarian tissue (control) was 73.2 percent and after five days of culture, there was a decrease on these percentages in all treatments (P<0.05) when compared with non-cultured control. Culture of ovarian cortex for five days increased the percentages of follicular activation in all treatments (P<0.05). Ultrastructural analysis did not confirm the integrity of caprine preantral follicles cultured for five days in medium containing antioxidants. This study demonstrated that α-tocopherol and ternatin can promote follicular activation; however, addition of these antioxidants in the tested concentrations reduced the follicular viability after in vitro culture.


Os efeitos do α-tocoferol e da ternatina sobre morfologia, ativação e crescimento de folículos pré-antrais caprinos cultivados in vitro, por um ou cinco dias, foram avaliados. Os fragmentos ovarianos foram imediatamente fixados (controle não-cultivado) ou cultivados in vitro, por um ou cinco dias, em Meio Essencial Mínimo (MEM) com ou sem suplementação com α-tocoferol ou ternatina nas concentrações de 5, 10 ou 15µM, formando os tratamentos MEM, TOC5, TOC10, TOC 15, TER5, TER10, TER15. O percentual de folículos pré-antrais normais no controle não-cultivado foi de 73,2 por cento, depois de cinco dias de cultivo, houve redução desse percentual em todos os tratamentos, quando comparados com o controle não-cultivado (P<0,05). O cultivo por cinco dias aumentou a ativação folicular em todos os tratamentos (P<0,05). A análise ultra-estrutural não mostrou folículos pré-antrais íntegros após cinco dias de cultivo em meio contendo antioxidantes. Concluiu-se que o α-tocoferol e a ternatina podem promover a ativação folicular, no entanto a adição desses antioxidantes nas concentrações testadas reduziu a viabilidade folicular após o cultivo in vitro.


Subject(s)
Animals , Antioxidants/pharmacology , Ovarian Follicle , alpha-Tocopherol/pharmacology , Ovarian Follicle , Goats
5.
Arq. bras. med. vet. zootec ; 59(3): 591-599, jun. 2007. ilus, graf
Article in Portuguese | LILACS | ID: lil-461135

ABSTRACT

Investigou-se a eficiência da solução salina 0,9 por cento (SS) e TCM 199 na conservação de folículos pré-antrais (FOPA) bovinos in situ em diferentes temperaturas e tempos de incubação. Cada par ovariano foi dividido em 25 fragmentos. Um fragmento foi escolhido aleatoriamente e fixado imediatamente após a coleta (controle). Os demais foram distribuídos em tubos contendo SS ou TCM 199 a 4, 20 ou 39ºC por 2, 4, 12 ou 24h. A análise histológica mostrou que a conservação a 4ºC em ambas as soluções manteve a porcentagem de FOPA normais similar ao controle. A conservação em SS a 20ºC por 12 ou 24h, TCM 199 a 20ºC por 24h e em ambas as soluções a 39ºC a partir de 2h aumentou (P<0,05) a porcentagem de FOPA degenerados comparada à porcentagem de folículos-controle. Em ambas as soluções, independente do tempo de incubação, a porcentagem de folículos normais, após conservação a 39ºC, foi (P<0,05) menor que a obtida com 4 e 20ºC. FOPA bovinos podem ser conservados eficientemente a 4ºC por até 24h em ambas as soluções, e a 20ºC por 4 e 12h em SS e TCM 199, respectivamente.


The efficiency of 0.9 percent saline solution (SS) and TCM 199 on the preservation of bovine preantral follicles (PF) in situ at different temperatures and incubation times was investigated. Each ovarian pair was divided into 25 fragments. One fragment was taken randomly and immediately fixed (control). The other fragments were distributed in tubes containing SS or TCM 199 at 4, 20 or 39ºC for 2, 4, 12 or 24h. The histological analysis showed that the storage at 4ºC in both solutions kept the percentage of normal follicles similar to control values. Preservation in SS at 20ºC for 12 or 24h, TCM 199 at 20ºC for 24h and in both solutions at 39ºC from 2 h onward (P<0.05) increased the percentage of degenerated follicles when compared with control. In both solutions, independent of incubation time, the percentage of normal follicles observed at 39ºC was (P<0.05) lower them those observed at 4 and 20ºC. Bovine PF can be preserved efficiently at 4ºC for up to 24h in both solutions, at 20ºC for 4 and 12h in SS and TCM 199, respectively.


Subject(s)
Animals , Cattle , Cattle , Ovarian Follicle , Cryopreservation/methods , Cryopreservation/veterinary , Organ Preservation Solutions/administration & dosage
6.
Rev. bras. farmacogn ; 13(supl.2): 5-8, 2003. tab
Article in Portuguese | LILACS | ID: lil-526476

ABSTRACT

Espécies nativas ou endêmicas do semi-árido brasileiro foram investigadas com o intuito de se descobrir novas drogas antimicrobianas. Os ensaios foram realizados contra cepas padrões de Staphylococcus aureus e Escherichia coli através do método de difusão em disco. Dos 137 extratos de vegetais avaliados, sete apresentaram atividade significativa contra o Staphylococcus aureus. Os extratos ativos foram preparados a partir de espécies pertencentes às famílias Leguminosae e Rutaceae e serão futuramente fracionados com o intuito de se chegar às moléculas ativas.


Species native or endemic of the Brazilian semi-arid were investigated with the intention of discovering new antibacterial drugs. The rehearsals were accomplished against standard strains of Staphylococcus aureus and Escherichia coli through the diffusion method in disk. Of the 137 extracts of appraised vegetables, seven presented significant activity against the Staphylococcus aureus. The active extracts were prepared starting from species belonging to the Leguminosae and Rutaceae families and they will be fractional hereafter with the intention of arriving to the active molecules.

7.
J. bras. psiquiatr ; 33(1): 39-44, 1984.
Article in Portuguese | LILACS | ID: lil-23389

ABSTRACT

A posicao do autor e a de, atraves de uma retrospectiva das recentes tendencias do pensamento cientifico sobre a loucura, levar a critica deste mesmo pensamento,apresentando, como sugestao para a crise da ciencia psiquiatrica, uma Psiquiatria com abertura para a transcendencia (como o da Analise Existencial e da Logoterapia de Viktor Frankl), buscando o reencontro do Homem consigo mesmo


Subject(s)
Dementia , Psychoanalysis
8.
Rev. bras. ginecol. obstet ; 5(5): 217-20, 1983.
Article in Portuguese | LILACS | ID: lil-19141

ABSTRACT

Dentre 1012 abortamentos havidos na Maternidade Prof. Monteiro de Moraes, Recife no ano de 1980, 700 foram selecionados para averiguacoes mais detalhadas.Dentre as variaveis cogitadas para estudo, foram destacadas: idade gestacional, tempo decorrido entre o aparecimento dos sintomas e o internamento hospitalar, forma clinica, complicacoes, abortamentos anterioes, sintomatologia, transfusao de sangue, permanencia hospitalar e tipo de tratamento.Ficou evidenciado que mais de 90% das pacientes eram nao pagantes, o abortamento do 3o. mes foi o mais frequente; o abortamento incompleto foi a forma clinica mais assidua, e as complicacoes foram registradas em apenas 2,7% das pacientes. O sintoma mais encontradico foi a hemorragia, embora apenas 6% das pacientes tenham necessitado de transfusao de sangue.A curetagem uterina foi o tratamento empregado em maior numero de vezes


Subject(s)
Pregnancy , Adolescent , Adult , Humans , Female , Abortion, Spontaneous
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