Pesquisa | SciELO

Abstract The inadequate choice of a diagnostic method or the option for techniques that have low sensitivity and specificity may limit the diagnosis of parasitic agents that affect aquatic mammals. The aim of this study was to evaluate the performance of the FLOTAC technique and compare it with three traditional methods (Willis, sedimentation and centrifugation- flotation) used in the diagnosis of gastrointestinal parasites in aquatic mammals. For this, 129 fecal samples from 12 species were collected. Each sample was submitted to laboratory processing using the Willis, Hoffman techniques, Faust method and FLOTAC. Sensitivity, specificity, real prevalence, estimated prevalence, positive predictive value, negative predictive value, correct classification (accuracy) and incorrect classification were evaluated to compare the different diagnostic methods. The highest frequency of positive samples occurred using FLOTAC (46.51%), compared to Hoffman (23.25%), Faust (10.07%) and Willis techniques (6.97%). In the samples analyzed, the occurrence of Strongylidae eggs and Eimeriidae oocysts was frequently observed. The FLOTAC technique proved to be the most appropriate technique and due to its efficacy, is strongly recommended for coproparasitological evaluations in aquatic mammals.

https://doi.org/10.1590/0001-3765202220201184

Chemical composition and in situ degradability of sugarcane tip hay subjected to alkaline treatment
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FRANCO, LUÍS J.D.

; GARCEZ, BRUNO S.

; ALVES, ARNAUD A.

; AZEVÊDO, DANIELLE M.M.R.

; PARENTE, HENRIQUE N.

; M. FILHO, MIGUEL A.

; MOREIRA, ANTÔNIA L.

; LIMA, FRANCISCO W.R.

Anais da Academia Brasileira de Ciências

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2022, Volume 94 Nº 2 elocation e20190996

Resumo: En | Texto: En | PDF: En

Abstract The present study aimed to evaluate the effect of alkaline treatments with urea, NaOH and Ca(OH)2 on chemical composition and in situ ruminal degradability of dry matter, crud protein and neutral detergent fiber of sugarcane tip hay. Samples were incubated in the rumen of three cannulated cattle for up to 72 hours in a split plot randomized block design. Ammoniation with 6% urea increased (p<0.05) the crude protein content by 13% and reduced the neutral detergent fiber and insoluble nitrogen content of the hay. When treated with the highest doses of the compounds, there was a high potential degradability of dry matter, crude protein and neutral detergent fiber, and a shorter neutral detergent fiber lag time. Ammoniation with urea promotes a reduction in the content of NDF, hemicellulose and insoluble nitrogen, with an increase in the content of CP in the hay, with emphasis for the level of 6% urea. The ruminal degradation of sugarcane tip hay increases with alkaline treatments using 6% urea or 3% NaOH, however, ammoniation with urea is indicated for the treatment of hay, as this is low cost and can be easily adopted by farmers in the semiarid region.

https://doi.org/10.1590/0001-3765202220190996

Sexually Transmitted Infections Detected by Multiplex Real Time PCR in Asymptomatic Women and Association with Cervical Intraepithelial Neoplasia
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Lima, Luiza deMiranda

; Hoelzle, Carolina René

; Simões, Renata Toscano

; Lima, Maria Inês de Miranda

; Fradico, Jordana Rodrigues Barbosa

; Mateo, Elvis Cristian Cueva

; Zauli, Danielle Alves Gomes

; Melo, Victor Hugo

Revista Brasileira de Ginecologia e Obstetrícia

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Set 2018, Volume 40 Nº 9 Páginas 540 - 546

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo Objetivo Determinar a frequência de infecções sexualmente transmissíveis (ISTs) em mulheres assintomáticas e a associação destas infecções com a neoplasia intraepitelial cervical (NIC). Métodos Foi realizado um estudo transversal recrutando mulheres atendidas em uma clínica ginecológica geral e em um centro de referência para colposcopia, de outubro de 2014 a outubro de 2015. O grupo de colposcopia consistiu de 71 mulheres, e o grupo de ginecologia geral consistiu de 55 mulheres. Amostras cervicais foram coletadas para citologia cervical e uma reação em cadeia de polimerase (RCP) multiplex em tempo real para detecção do vírus do papiloma humano (HPV) e das ISTs provocadas pelos seguintes micro-organismos: Chlamydia trachomatis, Mycoplasma hominis, Mycoplasma genitalium, Ureaplasma urealyticum e Neisseria gonorrhoeae. Foi realizada uma análise multivariada por regressão logística, considerando-se o nível de significância de 0,05. Resultados A frequência geral de ISTs foi: 46,8% (HPV); 27,8% (C. trachomatis); 28,6% (M. genitalium); 0,8% (M. hominis); 4,8% (U. urealyticum); e 4,8% (N. gonorrhoeae). Os fatores de risco significantes para NIC foram: infecção pelo HPV (razão de probabilidades [RP] = 2,53; p = 0,024); C. trachomatis (RP = 3,04; p = 0,009); M. genitalium (RP = 2,37; p = 0,04); e coinfecção por HPV e C. trachomatis (RP = 3,11; p = 0,023). Após a análise multivariada, foi encontrada uma associação significante entre HPV e NIC (RP = 2.48; intervalo de confiança de 95% [IC95%]: 1,04-5,92; p = 0,04) e entre C. trachomatis e NIC (RP = 2,69; IC95%: 1,11-6,53; p = 0,028). Conclusões A frequência de ISTs foi alta em mulheres assintomáticas. Infecções por HPV e C. trachomatis foram independentemente associadas com a presença de NIC. A alta frequência de ISTs em mulheres assintomáticas sugere a necessidade de rastreamento rotineiro dessas infecções.

Abstract Objective To determine the frequency of sexually transmitted infections (STIs) in asymptomatic women and the association of STIs with cervical intraepithelial neoplasia (CIN). Methods A cross-sectional studywas performed, enrollingwomen examined in a general gynecology clinic and in a colposcopy referral center fromOctober 2014 to October 2015. The colposcopy groupconsisted of 71women, and the general gynecologygroupconsisted of 55 women. Cervical samples were collected for cervical cytology and a multiplex realtime polymerase chain reaction (PCR) was developed to detect human papillomavirus (HPV) and the STIs caused by the following microorganisms: Chlamydia trachomatis, Mycoplasma hominis, Mycoplasma genitalium, Ureaplasma urealyticum, and Neisseria gonorrhoeae. A multivariate analysis was performed by logistic regression, considering the significance level of 0.05. Results The general frequency of STIs was: 46.8% (HPV); 27.8% (C. trachomatis); 28.6% (M. genitalium); 0.8% (M. hominis); 4.8% (U. urealyticum); and 4.8% (N. gonorrhoeae). The significant risk factors for CIN were: HPV infection (odds ratio [OR] = 2.53; p = 0.024); C. trachomatis (OR = 3.04; p = 0.009); M. genitalium (OR = 2.37; p = 0.04); and HPV and C. trachomatis coinfection (OR = 3.11; p = 0.023). After the multivariate analysis, a significant associationwas found betweenHPVand CIN(OR = 2.48; 95% confidence interval [95%CI]: 1.04-5.92; p = 0.04); and between C. trachomatis and CIN (OR = 2.69; 95%CI: 1.11-6.53; p = 0.028). Conclusion The frequency of STIs was high in asymptomatic patients. Infections by HPV and C. trachomatis were independently associated with the presence of CIN. The high frequency of STIs in asymptomatic women suggests the need for routine screening of these infections.

https://doi.org/10.1055/s-0038-1669994 1557 downloads

3rd Guideline for Perioperative Cardiovascular Evaluation of the Brazilian Society of Cardiology
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Gualandro, Danielle Menosi

; Yu, Pai Ching

; Caramelli, Bruno

; Marques, André Coelho

; Calderaro, Daniela

; Fornari, Luciana Savoy

; Pinho, Claudio

; Feitosa, Alina Coutinho Rodrigues

; Polanczyk, Carisi Anne

; Rochitte, Carlos Eduardo

; Jardim, Carlos

; Vieira, Carolina L. Z.

; Nakamura, Debora Y. M.

; Iezzi, Denise

; Schreen, Dirk

; Adam, Eduardo Leal

; D’Amico, Elbio Antonio

; Lima, Emerson Q. de

; Burdmann, Emmanuel de Almeida

; Mateo, Enrique Indalecio Pachón

; Marcondes-Braga, Fabiana Goulart

; Machado, Fabio S.

; Paula, Flavio J. de

; Carmo, Gabriel Assis Lopes do

; Feitosa-Filho, Gilson Soares

; Prado, Gustavo Faibischew

; Lopes, Heno Ferreira

; Fernandes, João R. C.

; Lima, José J. G. de

; Sacilotto, Luciana

; Drager, Luciano Ferreira

; Vacanti, Luciano Janussi

; Rohde, Luis Eduardo Paim

; Prada, Luis F. L.

; Gowdak, Luis Henrique Wolff

; Vieira, Marcelo Luiz Campos

; Monachini, Maristela Camargo

; Macatrão-Costa, Milena Frota

; Paixão, Milena Ribeiro

; Oliveira Junior, Mucio Tavares de

; Cury, Patricia

; Villaça, Paula R.

; Farsky, Pedro Silvio

; Siciliano, Rinaldo F.

; Heinisch, Roberto Henrique

; Souza, Rogerio

; Gualandro, Sandra F.M.

; Accorsi, Tarso Augusto Duenhas

; Mathias Júnior, Wilson

Arquivos Brasileiros de Cardiologia

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Set 2017, Volume 109 Nº 3 Páginas 1 - 104

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

https://doi.org/10.5935/abc.20170140 100302 downloads

ORGANIC MATTER AND CARBON MANAGEMENT INDEX OF SOIL TREATED WITH COMPOSTED AND NON-COMPOSTED LAYERED RESIDUES
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MOURA, JULIANA AUGUSTA

; GONZAGA, MARIA ISIDÓRIA SILVA

; SILVA, THIAGO LIMA DA

; GUIMARAES, DANIELLE VIEIRA

; SANTANA, ISAAC LEAL DE

Revista Caatinga

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Mar 2017, Volume 30 Nº 1 Páginas 78 - 86

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO O uso de resíduos orgânicos e composto é uma prática comum para aumentar os teores de matéria orgânica e a qualidade do solo. Neste estudo, foram aplicados resíduos orgânicos compostados (húmus) e frescos, em compostagem laminar, em um pomar de citros com 6 anos com o objetivo de avaliar as frações lábeis e estáveis da matéria orgânica. O experimento foi disposto em blocos casualizados, com seis tratamentos (Controle-NPK, controle + NPK, resíduo fresco com e sem NPK, resíduo compostado, com e sem NPK), com três repetições, aplicados na projeção da copa. As amostras de solo foram coletadas nas camadas de 0-0.05, 0.05-0.10 e 0.10-0.15 m. Houve aumento de 10,3; 22,4; 16,3 e 37,1 % no teor de carbono nos tratamentos com resíduo não compostado, com e sem NPK, e com resíduo compostado, com e sem NPK, respectivamente. O teor de carbono na fração lábil variou de 1 a 12,8 g kg-1, representando de 8 a 62 % do carbono total, e de 3,1 a 9,7 g kg-1, representando 38 a 92 % do carbono total, sendo esta a fração dominante na maioria dos tratamentos

ABSTRACT The use of organic residues and compost is a common practice to improve soil quality and content of organic matter. In this study, the labile and stable fractions of soil organic matter were evaluated after application of layers of fresh (non-composted) or composted organic residues in a 6-year-old citrus orchard. The experiment was set up as a randomized block design, with 6 treatments: control without NPK, control with NPK, non-composted organic residue (NCOR, with and without NPK), and composted organic residue (humus, with and without NPK), with three replicates. The treatments were applied under the plant canopy. Soil samples were collected from the 0-0.05, 0.05-0.10, and 0.10-0.15 m layers. There were increases of 10.3, 22.4, 16.3, and 37.1 % in the organic carbon contents of the surface soil for the treatments using NCOR without NPK, NCOR with NPK, humus with NPK, and humus without NPK, respectively. The organic carbon contents of the labile fraction varied from 1.0 to 12.8 g kg-1, representing between 8 and 62 % of the total carbon. The carbon concentrations in the stable fraction varied from 3.1 to 9.7 g kg-1, representing between 38 and 92 % of the total carbon, and this was the dominant fraction for most of the treatments.

https://doi.org/10.1590/1983-21252017v30n109rc 3341 downloads

Histologic and inflammatory lamellar changes in horses with oligofructose-induced laminitis treated with a CXCR1/2 antagonist
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Lima, Leonardo R. de

; Mendes, Heloisa M.F.

; Soriani, Frederico M.

; Souza, Danielle G. de

; Alves, Geraldo Eleno S.

; Teixeira, Mauro M.

; Faleiros, Rafael R.

Pesquisa Veterinária Brasileira

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Jan 2016, Volume 36 Nº 1 Páginas 13 - 18

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

Resumo: A expressão de quimiocinas e a infiltração de leucócitos no tecido laminar são característicos de laminite aguda de equinos. O presente estudo avaliou o efeito terapêutico da administração intravenosa de DF1681B , um antagonista seletivo para CXCR1 e CXCR2 (receptores de quimiocinas), em um modelo de laminite equina por oligofrutose. Utilizaram-se doze cavalos sem raça definida, compreendendo quatro machos e oito fêmeas não gestantes, com idade (média ±SD) 7±3,5 anos, pesando 305±35kg e com uma pontuação média de condição corporal de 5±1/9. Os indivíduos elegíveis eram clinicamente saudáveis, sem história prévia de claudicação relacionados ao casco. Após administração de oligofrutose (10g/kg por sonda nasogástrica), os animais foram divididos em dois grupos: tratado (30mg/kg de DF1681B intravenosa, 6, 12, 18 e 24h após a oligofrutose) e não tratado, que recebeu placebo. Biópsias laminares foram realizadas antes e 12, 36 e 72h após a administração de oligofrutose. As amostras foram coradas com ácido periódico de Schiff (PAS) e classificadas de 0-6 de acordo com alterações nas células epidérmicas e na membrana basal. Também determinaram-se as expressões gênicas de IL-1β, CXCL1 e IL-6 por RT-PCR. Testes paramétricos e não paramétricos foram utilizados para comparar os momentos em cada grupo (P<0,05). Estatisticamente, os graus PAS e as expressões de IL-1β e IL-6 se elevaram após a indução no grupo não tratado, mas se mantiveram constantes nos cavalos tratados. Em conclusão, a terapia por DF1681B reduziu a inflamação laminar e a deterioração epidérmica em equinos submetidos ao modelo de intoxicação por oligofructose. O bloqueio de receptores CXCR1/2 deve ser considerado como uma opção terapêutica para prevenção da laminite aguda de equinos.

Abstract: With the hypothesis that blocking chemokine signaling can ameliorate acute laminitis, the aim was to evaluate the therapeutic effect of intravenous DF1681B, a selective antagonist for CXCR1 and CXCR2 (chemokine receptors), in an oligofructose equine laminitis model. To twelve mixed breed clinically healthy hoses with no previous history of hoof-related lameness was administered oligofructose (10g/kg given by nasogastric tube) and divided into two groups: treated (intravenous DF1681B at 30mg/kg 6, 12, 18, and 24h after oligofructose) and non-treated groups. Laminar biopsies were performed before and 12, 36, and 72h after administering oligofructose. Samples were stained with periodic acid-Schiff (PAS) and scored from 0 to 6 according to epidermal cell and basal membrane changes. The IL-1β, IL-6, and CXCL1 RNA expressions were determined by RT-PCR. Parametric and non-parametric tests were used to compare times within each group (P<0.05). The PAS grades and IL-1β and IL-6 RNA expression increased in the non-treated group, but remained constant in the treated horses. In conclusion, DF1681B therapy reduced laminar inflammation and epidermal deterioration in treated horses. CXCR1/2 blockage should be considered therapeutically for equine acute laminitis.

https://doi.org/10.1590/S0100-736X2016000100002 1685 downloads

Interspecific transmission of small ruminant lentiviruses from goats to sheep
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Souza, Thiago S. de

; Pinheiro, Raymundo R.

; Costa, Joselito N.

; Lima, Carla C.V. de

; Andrioli, Alice

; Azevedo, Dalva A.A. de

; Santos, Vanderlan W.S. dos

; Araújo, Juscilânia F.

; Sousa, Ana Lídia M. de

; Pinheiro, Danielle N.S.

; Fernandes, Flora M.C.

; Costa Neto, Antonio O.

Brazilian Journal of Microbiology

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Set 2015, Volume 46 Nº 3 Páginas 867 - 874

Resumo: En | Texto: En | PDF: En

This study was conducted in order to evaluate the transmission of caprine lentivirus to sheep using different experimental groups. The first one (colostrum group) was formed by nine lambs receiving colostrum from goats positive for small ruminant lentiviruses (SRLV). The second group (milk group) was established by nine lambs that received milk of these goats. Third was a control group, consisting of lambs that suckled colostrum and milk of negative mothers. Another experimental group (contact group) was formed by eight adult sheep, confined with two naturally infected goats. The groups were monitored by immunoblotting (IB), enzyme-linked immunosorbent assay (ELISA), agar gel immunodiffusion (AGID) and nested polymerase chain reaction (nPCR). All lambs that suckled colostrum and milk of infected goats and six sheep of the contact group had positive results in the nPCR, although seroconversion was detected only in three of the exposed animals, with no clinical lentiviruses manifestation, in 720 days of observation. There was a close relationship between viral sequences obtained from infected animals and the prototype CAEV-Cork. Thus, it was concluded that SRLV can be transmitted from goats to sheep, however, the degree of adaptation of the virus strain to the host species probably interferes with the infection persistence and seroconversion rate.

https://doi.org/10.1590/S1517-838246320140402 2155 downloads

Impact of cardiology referral: clinical outcomes and factors associated with physicians' adherence to recommendations
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Marques, André C.

; Calderaro, Daniela

; Yu, Pai C.

; Gualandro, Danielle M.

; Carmo, Gabriel A.L.

; Azevedo, Fernanda R.

; Pastana, Adriana F.

; Lima, Eneas M.O.

; Monachini, Maristela

; Caramelli, Bruno

Clinics

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Dez 2014, Volume 69 Nº 10 Páginas 666 - 671

Resumo: En | Texto: En | PDF: En

OBJECTIVES: Cardiology referral is common for patients admitted for non-cardiac diseases. Recommendations from cardiologists may involve complex and aggressive treatments that could be ignored or denied by other physicians. The purpose of this study was to compare the outcomes of patients who were given recommendations during cardiology referrals and to examine the clinical outcomes of patients who did not follow the recommendations. METHODS: We enrolled 589 consecutive patients who received in-hospital cardiology consultations. Data on recommendations, implementation of suggestions and outcomes were collected. RESULTS: Regarding adherence of the referring service to the recommendations, 77% of patients were classified in the adherence group and 23% were classified in the non-adherence group. Membership in the non-adherence group (p<0.001; odds ratio: 10.25; 95% CI: 4.45-23.62) and advanced age (p = 0.017; OR: 1.04; 95% CI: 1.01-1.07) were associated with unfavorable outcomes. Multivariate analysis identified four independent predictors of adherence to recommendations: follow-up notes in the medical chart (p<0.001; OR: 2.43; 95% CI: 1.48-4.01); verbal reinforcement (p = 0.001; OR: 1.86; 95% CI: 1.23-2.81); a small number of recommendation (p = 0.001; OR: 0.87; 95% CI: 0.80-0.94); and a younger patient age (p = 0.002; OR: 0.98; 95% CI: 0.96-0.99). CONCLUSIONS: Poor adherence to cardiology referral recommendations was associated with unfavorable clinical outcomes. Follow-up notes in the medical chart, verbal reinforcement, a limited number of recommendations and a patient age were associated with greater adherence to recommendations.

https://doi.org/10.6061/clinics/2014(10)03 1144 downloads

Early serum tacrolimus levels predict long-term chronic kidney disease after liver transplantation
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Brandão, Vanessa B. A.

; Faria, Luciana C.

; Bicalho, Danielle M.

; Pereira, Fernando H.

; Lima, Agnaldo S.

; Ferrari, Teresa C. A.

MedicalExpress

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Jun 2014, Volume 1 Nº 3 Páginas 143 - 149

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

RESUMO OBJETIVO: Investigar fatores de risco para o desenvolvimento de doença renal crônica e óbito dois anos após transplante hepático. MÉTODO: Associações entre parâmetros clínicos e laboratoriais e o desenvolvimiento de doença renal crônica e sobrevida dois anos pós-transplante hepático foram analisados em uma coorte de 148 pacientes adultos, com cirrose hepática, submetidos consecutivamente a transplante de fígado em centro de referência no Brasil. RESULTADOS: A idade mediana ao transplante hepático foi 56 (limites, 20-73) anos, e 105 (70,9%) pacientes eram do gênero masculino. A prevalência de doença renal crônica dois anos pós-transplante hepático foi: estádio 1 ou ausência de doença renal, 27,5%; estádio 2, 33,8%; estádio 3, 34,6%; estádios 4-5, 4,7%. Quatro variáveis apresentaram associação independents com o estádio de doença renal crônica, dois anos pos-transplante hepático: (i) idade ao transplante hepático, (ii) gênero masculino, (iii) mediana dos níveis de tacrolimus nos primeiros três meses pós-transplante hepático e (iv) mediana das concentrações séricas de creatinina nos primeiros seis meses pós-transplante hepático. Duas variáveis apresentaram associação independents com óbito dois anos pós-transplante hepático: permanência em Unidade de Terapia Intensiva por três ou mais dias após a cirurgia de transplante, e mediana das concentrações séricas de creatinina nos primeiros seis e três meses após o transplante hepático igual ou superior a 1,3 mg/dL. CONCLUSÕES: Administração da menor dose eficaz de tacrolimus e adoção de medidas para preservar a função renal são medidas importantes para se reduzir o risco de desenvolvimento de doença renal crônica, tardiamente, após o transplante de fígado, especialmente nos pacientes que apresentam fatores de risco.

OBJECTIVE: To investigate risk factors for the development of chronic kidney disease and death two years postliver transplantation. METHOD: Associations between clinical and laboratory parameters and the development of chronic kidney disease and survival two years post-liver transplant were analyzed in a cohort of 148 adult patients with hepatic cirrhosis consecutively submitted to liver transplantation in a referral Brazilian center. RESULTS: Median age at liver transplantation was 56 (range, 20-73) years, and 105 (70.9%) patients were males. The prevalence of chronic kidney disease at two years post-liver transplantation was: stage 1 or no chronic kidney disease, 27.5%; stage 2, 33.8%; stage 3, 34.6%; stages 4-5, 4.7%. Four variables were independently associated with the stage of chronic kidney disease two years after liver transplantation: (i) age (at liver transplantation), (ii) male gender, (iii) median tacrolimus levels in the first three months post-liver transplantation, and (iv) median of serum creatinine in the first six months post-liver transplantation. Two variables showed independent association with death in two years post-liver transplantation: (i) stay in Intensive Care Unit for three or more days after the liver transplantation surgery and (ii) median of serum creatinine levels in the first six months post-liver transplantation equal or higher than 1.3 mg/dL. CONCLUSIONS: Administration of the lowest effective dose of tacrolimus and adoption of strategies to spare renal function are important measures to reduce the risk of late chronic kidney disease and death post-liver transplantation especially in high risk patients.

https://doi.org/10.5935/MedicalExpress.2014.03.09 1142 downloads

10.

I Diretriz sobre Aspectos Específicos de Diabetes (tipo 2) Relacionados à Cardiologia
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Soeiro, Alexandre de Matos

; Mansur, Antonio de Pádua

; Schaan, Beatriz D.

; Caramelli, Bruno

; Rochitte, Carlos Eduardo

; Serrano Jr., Carlos Vicente

; Garzillo, Cibele Larrosa

; Calderaro, Daniela

; Gualandro, Danielle M.

; Lima, Eduardo Gomes

; Marcondes-Braga, Fabiana G.

; Lima, Felipe Gallego

; Oliveira, Felipe Martins de

; Azevedo, Fernanda Reis

; Chauhan, Hiteshi

; Salles, João Eduardo Nunes

; Soares Junior, José

; Cardoso, Juliano Novaes

; Pellanda, Lucia Campos

; Sacilotto, Luciana

; Baracioli, Luciano

; Bortolotto, Luiz A.

; César, Luiz Antonio Machado

; Ochiai, Marcelo Eidi

; Minami, Marcio H.

; Pinheiro, Martina Battistini

; Moretti, Miguel Antonio

; Oliveira, Mucio Tavares de

; Rezende, Paulo Cury

; Lemos Neto, Pedro Alves

; Admoni, Sharon Nina

; Lottenberg, Simão Augusto

; Rocha, Viviane Z.

; Hueb, Whady

; Mathias Jr., Wilson

Arquivos Brasileiros de Cardiologia

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Mai 2014, Volume 102 Nº 5 Páginas 1 - 41

Resumo: En | Texto: En | PDF: En

https://doi.org/10.5935/abc.2014S002 9799 downloads

11.

Preparation and characterization of solid oral dosage forms containing soy isoflavones
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Oliveira, Stela R. de

; Taveira, Stephânia F.

; Marreto, Ricardo N.

; Valadares, Marize C.

; Diniz, Danielle G. A.

; Lima, Eliana M.

Revista Brasileira de Farmacognosia

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Fev 2013, Volume 23 Nº 1 Páginas 175 - 182

Resumo: En | Texto: En | PDF: En

Soy isoflavones have been extensively used for menopausal symptoms and prevention of hormone-related cancer, osteoporosis and cardiovascular diseases. Commercially available forms of isoflavones include supplements, capsules and tablets. However, the non-standardization of soy isoflavones extracts and different dissolution profiles of these solid dosage forms highlight the need of additional studies on the development of well characterized pharmaceutical dosage forms of isoflavones. In this work, immediate release oral tablets of soy isoflavones were obtained and evaluated. Genistein and daidzein, were the main constituents of the dried soy extract. Preparation of the tables was accomplished in a rotary tableting machine following either a dry mixture for direct compression or wet granulation with different excipients. Powder, granules and tablets were evaluated for several parameters, including flow properties, Carr and Hausner indexes, hardness, friability, disintegration time and drug release profile. Also, a fast and validated HPLC analytical method for both genistein and daidzein was developed. Formulations containing sodium croscarmellose and sodium dodecyl sulfate resulted in better flowability as indicated by the flow rate and angle of repose, faster disintegration time and immediate release dissolution profile.

3315 downloads

12.

Neuropatia auditiva: alerta aos pediatras
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Capone, Flávia Varela

; Torres, Danielle de Araújo

; Lima, Marco Antonio de M. T. de

Revista Paulista de Pediatria

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Dez 2011, Volume 29 Nº 4 Páginas 669 - 673

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

OBJETIVO: Alertar os pediatras sobre a neuropatia auditiva, doença descrita recentemente e ainda desconhecida por muitos médicos. Descrever seus fatores de risco, características clínicas e diagnósticas, com a finalidade de possibilitar uma intervenção terapêutica precoce e eficaz. FONTES DE DADOS: Realizada pesquisa nas bases de dados PubMed, Lilacs e SciELO utilizando os descritores "neuropatia auditiva" e "auditory neuropathy", entre os anos de 1996 e 2010. SÍNTESE DOS DADOS: A neuropatia auditiva, também conhecida como dessincronia auditiva, descrita em 1996, caracteriza-se clinicamente pela dificuldade na compreensão das palavras, mesmo em casos de perdas auditivas leves ou moderadas. Foi relacionada a diversas neuropatias generalizadas e fatores de risco neonatais, como internação em terapia intensiva, hiperbilirrubinemia, sepse e hipóxia. Após suspeita clínica, o diagnóstico é confirmado pela presença das emissões otoacústicas associada a um potencial evocado auditivo de tronco encefálico ausente ou alterado. Sua terapêutica permanece controversa, tendo como opções a protetização auditiva, o acompanhamento fonoterápico para habilitação ou reabilitação da linguagem e, em casos de insucesso, há relatos de resultados satisfatórios com o implante coclear. CONCLUSÕES: Enfatiza-se a importância do reconhecimento pelo pediatra da neuropatia auditiva, entidade ainda pouco citada na literatura latino-americana da especialidade.

OBJECTIVE: To alert pediatricians about the auditory neuropathy, a disease that has been only recently described and is still unknown by many physicians, and to describe its risk factors, clinical and diagnostic features in order to enable an early and effective therapeutic intervention. DATA SOURCE: A literature search using terms such as "auditory neuropathy" and "neuropatia auditiva" has been conducted in the PubMed, Lilacs and SciELO databases between 1996 and 2010. DATA SYNTHESIS: Described in 1996, the auditory neuropathy, or auditory dyssynchrony is clinically characterized by a disorder in understanding words, even in patients with light or moderate hearing loss. It has been related to generalized neuropathies and neonatal risk factors, such as intensive care admission, hyperbilirubinemia, sepsis and hypoxia. After clinical suspicion, the diagnosis is confirmed by the presence of otoacoustic emissions associated with the absence of waves in auditory brainstem responses. The therapy remains controversial, with the following options: hearing aids fitting and follow-up therapy for the habilitation/rehabilitation of language. In cases of failure there are also reports of satisfactory results with cochlear implants. CONCLUSIONS: This study emphasizes the importance of the recognition of auditory neuropathy by pediatricians, which is yet an underreported problem in Latin America.

8552 downloads Citado 1 vez em SciELO

13.

Anti-inflammatory activities of the hydroalcoholic extracts from Erythrina velutina and E. mulungu in mice
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Vasconcelos, Silvânia M. M.

; Sales, Gabriel T. M.

; Lima, Natália

; Lobato, Rodrigo de Freitas G.

; Macêdo, Danielle Silveira

; Barbosa-Filho, José Maria

; Leal, Luzia Kalyne A. M.

; Fonteles, Marta M. F.

; Sousa, Francisca Cléa F.

; Oliveira, Jeania Lima

; Viana, Glauce S. B.

Revista Brasileira de Farmacognosia

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Dez 2011, Volume 21 Nº 6 Páginas 1155 - 1158

Resumo: En | Texto: En | PDF: En

This work studied the anti-inflammatory activities of the hydroalcoholic extracts (HAEs) from Erythrina velutina Willd. (Ev) and E. mulungu Mart. ex Benth. (Em) in the carrageenan- and dextran-induced mice hind paw edema models. These medicinal plants belonging to the Fabaceae family are used in some Brazilian communities to treat pain, inflammation, insomnia and disorders of the central nervous system. In the present work, the extracts were administered orally in male mice at the doses of 200 or 400 mg/kg. In the carrageenan-induced test, only Em showed anti-inflammatory activity, decreasing the paw edema, at the doses of 200 and 400 mg/kg. No effect was observed with Ev in this model. On the other hand, in the dextran model, Ev demonstrated anti-inflammatory effect, showing decrease of the paw edema at the 1, 2, 3, 4 and 24th h. Em (200 or 400 mg/kg) presented anti-inflammatory effect at the 2, 3 and 4th h after administration of dextran, as compared to control. In conclusion, the work showed that Ev and Em present anti-edematous actions, which possibly occurs by distinct mechanisms. While Ev seems to interfere especially in inflammatory processes in which mast cells have an important role, Em exerts greater activity in the inflammatory process that depends mainly on polymorphonuclear leucocytes. However, further studies are needed to determine the exact mechanism of action of the species investigated.

2501 downloads

14.

Síntese, caracterização e estudo da atividade inibitória de novas dialquilfosforilarilidrazonas sobre o crescimento de tripanossomatídeos
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Nogueira, Andréa Janaina M.

; Lima, Marco Edilson F. de

; DaCosta, João Batista N.

; Alves, Eliomara Sousa Sobral

; Anjos, Danielle Oliveira dos

; Vannier-Santos, Marcos André

; Lanfredi-Rangel, Adriana

Química Nova

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2011, Volume 34 Nº 8 Páginas 1365 - 1369

Resumo: Pt En | Texto: Pt En | PDF: Pt | PDF: En

A new series of dialkylphosphorylhydrazones was synthesized through the condensation of aromatic aldehydes with different phosphorylhydrazines. All synthesized compounds were characterized by IR, ¹H-NMR, 13C-NMR and 31P-NMR spectroscopies. The in vitro investigation of the activity of these compounds against Leishmania amazonensis promastigotes and epimastigotes of T. cruzi, showed an efficient inhibition of proliferation, at non toxic concentrations to mammalian cells. The results have shown some derivatives as potential antiparasitic agents against trypanosomatids.

2261 downloads

15.

Delirium in hospitalized elderly patients and post-discharge mortality
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Lima, Danielle Pessoa

; Ochiai, Marcelo Eidi

; Lima, Alexandre Bastos

; Curiati, Jose A. E.

; Farfel, Jose M.

; Jacob Filho, Wilson

Clinics

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2010, Volume 65 Nº 3 Páginas 251 - 255

Resumo: En | Texto: En | PDF: En

OBJECTIVE: To determine the impact of delirium on post-discharge mortality in hospitalized older patients. INTRODUCTION: Delirium is frequent in hospitalized older patients and correlates with high hospital mortality. There are only a few studies about its impact on post-discharge mortality. METHODS: This is a prospective study of patients over 60 years old who were hospitalized in the Geriatric Unit at Hospital das Clínicas of São Paulo between May 2006 and March 2007. Upon admission, demographics, comorbidities, number of drugs taken, and serum albumin concentration were evaluated for each patient. Delirium was diagnosed according to the DSM-IV criteria. Patients were divided into group A (with delirium) and group B (without delirium). One year after discharge, the patients or their caregivers were contacted to assess days of survival. RESULTS: The sample included 199 patients, 66 (33%) of whom developed delirium (Group A). After one year, 33 (50%) group A patients had died, and 45 (33.8%) group B patients had died (p = 0.03). There was a significant statistical difference in average age (p = 0.001) and immobility (p <0.001) between groups A and B. There were no statistically significant differences between groups A and B in number of drugs taken greater than four (p = 0.62), sex (p = 0.54) and number of diagnoses greater than four (p = 0.21). According to a multivariate analysis, delirium was not an independent predictor of post-discharge mortality. The predictors of post-discharge mortality were age > 80 years (p = 0.029), albumin concentration < 3.5 g/dl (p = 0.001) and immobility (p = 0.007). CONCLUSION: Delirium is associated with higher post-discharge mortality as a dependent predictor.

3590 downloads Citado 3 vezes em SciELO

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