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Risk factors for the development of endometrial lesions in breast cancer patients using tamoxyphen: a retrospective cohort study tamoxyphen
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VIZZOTTO JR, ALVO ORLANDO

; NICOLAU, SERGIO MANCINI

; LOPES, GUILHERME MUNHOZ

; CASTELO FILHO, ADAUTO

Revista do Colégio Brasileiro de Cirurgiões

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2023, Volume 50 elocation e20233442

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

ABSTRACT Introduction: breast cancer is the cancer with the highest incidence in women in Brazil, representing 29.7% of all cancers. More than two thirds of women with breast cancer show expression for hormone receptors, and in these cases, hormone therapy with tamoxifen is indicated, which may represent a risk factor for the development of endometrial cancer (four-fold greater relative risk). Objective: this study aimed to evaluate the association of tamoxifen and the development of endometrial disturbances and to assess possible other associated risk factors. Patients and method: a total of 364 breast cancer patients were evaluated, 286 who used tamoxifen and 78 who did not use this hormone therapy. Results: patients who used tamoxifen had a mean follow-up time of 51.42 months similar to those without hormone therapy (p=0.081). A total of 21 (7.3%) women who used tamofixen and no cases among women without hormone therapy presented endometrial changes during follow-up (p=0.01). Despite information regarding obesity was available for only 270 women, obesity was also significantly associated with the development of endometrial changes (p=0.008). Conclusion: furthermore, the association between tamofixen and endometrial changes remained significant (p=0.039) after adjusting for obesity. Introduction Brazil 297 29 7 29.7 cancers receptors indicated fourfold four fold risk. . risk) Objective factors method 36 evaluated 28 Results followup follow up 5142 51 42 51.4 p=0.081. p0081 p p=0.081 0 081 (p=0.081) 2 7.3% 73 3 (7.3% p=0.01. p001 p=0.01 01 (p=0.01) 27 p=0.008. p0008 p=0.008 008 (p=0.008) Conclusion furthermore p=0.039 p0039 039 (p=0.039 29. 514 5 4 51. p008 p=0.08 08 (p=0.081 7.3 (7.3 p00 p=0.0 (p=0.01 p000 p=0.00 00 (p=0.008 p=0.03 p003 03 (p=0.03 (p=0.08 7. (7. p0 p=0. (p=0.0 (p=0.00 (7 p=0 (p=0. ( p= (p=0 (p= (p

RESUMO Introdução: o câncer da mama é o câncer de maior incidência no sexo feminino no Brasil, representando 29,7% de todos os cânceres. Mais de dois terços das mulheres com câncer da mama apresentam expressão para receptores hormonais, estando, nestes casos, indicada a terapia hormonal com tamoxifeno, que pode representar fator de risco para o desenvolvimento do câncer do endométrio (risco relativo quatro vezes maior). Objetivo: este trabalho teve como objetivo avaliar a associação entre o uso de tamoxifeno e o desenvolvimento de distúrbios endometriais bem como eventuais outros fatores associados. Pacientes e método: Estudo de coorte retrospectivo de 364 pacientes com câncer da mama, das quais 286 utilizaram tamoxifeno e 78 não utilizaram esta hormonioterapia. Resultados: pacientes que usaram tamoxifeno tiveram um seguimento médio de 51,42 meses, semelhante àquelas sem terapia hormonal (p=0,081). Um total de 21 (7,3%) mulheres que usaram tamofixeno e nenhuma mulher sem terapia hormonal apresentaram alterações endometriais durante o seguimento (p=0,01). Nas 270 mulheres que tinham informação sobre obesidade, esta se associou significantemente com o desenvolvimento de alterações endometriais (p=0,008). A associação entre tamofixeno e alterações endometriais permaneceu significante (p=0,039) após ajustar para interação com obesidade. Conclusão: o uso de tamoxifeno no tratamento do câncer da mama esteve associado ao maior risco para desenvolvimento de alterações endometriais especialmente quando associado à obesidade. Introdução Brasil 297 29 7 29,7 cânceres hormonais estando casos maior. . maior) Objetivo associados método 36 28 hormonioterapia Resultados 5142 51 42 51,4 meses p=0,081. p0081 p p=0,081 0 081 (p=0,081) 2 7,3% 73 3 (7,3% p=0,01. p001 p=0,01 01 (p=0,01) 27 obesidade p=0,008. p0008 p=0,008 008 (p=0,008) p=0,039 p0039 039 (p=0,039 Conclusão 29, 514 5 4 51, p008 p=0,08 08 (p=0,081 7,3 (7,3 p00 p=0,0 (p=0,01 p000 p=0,00 00 (p=0,008 p=0,03 p003 03 (p=0,03 (p=0,08 7, (7, p0 p=0, (p=0,0 (p=0,00 (7 p=0 (p=0, ( p= (p=0 (p= (p

https://doi.org/10.1590/0100-6991e-20233442-en

Action of enfuvirtide on the pregnancy of albino rats ( Rattus norvegicus albinus, Rodentia, Mammalia ): biological assay and functional and histological analyses of exposed maternal-fetal organs albinus Rodentia ) maternalfetal maternal fetal
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Moraes, Renata Delphim de

; Araujo Júnior, Edward

; Castelo Filho, Adauto

; Peixoto, Alberto Borges

; Amed, Abês Mahmed

einstein (São Paulo)

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2023, Volume 21 elocation eAO0230

Abstract: En | Text: En | PDF: En

ABSTRACT Objective To assess the effects of enfuvirtide on pregnancy in albino rats and their fetuses. Methods Forty pregnant EPM 1 Wistar rats were randomly allocated into four groups: control (E) (distilled water twice/day), G1 (4mg/kg/day enfuvirtide), G2 (12mg/kg/day enfuvirtide), and G3 (36mg/kg/day enfuvirtide) groups. On the 20th day of gestation, the rats were anesthetized and subjected to cesarean section. Their blood was collected for laboratory analysis, and they were sacrificed. The offspring’s fragments of their kidneys, liver, and placentas and the maternal rats’ fragments of their lungs, kidneys, and liver were separated in the immediate postpartum period for light microscopy analysis. Results No maternal deaths occurred. In the second week at the end of pregnancy, the mean weight of the G3 Group was significantly lower than that of the G2 Group (p=0.029 and p=0.028, respectively). Analyzing blood laboratory parameters, the G1 Group had the lowest mean amylase level, and the G2 Group had the lowest mean hemoglobin level and the highest mean platelet count. In the morphological analysis, there were no changes in organs, such as the kidneys and liver, in both the maternal rats and offspring. Three maternal rats in the G3 Group had pulmonary inflammation in the lungs. Conclusion Enfuvirtide has no significant adverse effects on pregnancy, conceptual products, or functional alterations in maternal rats. fetuses groups E (E distilled twice/day, twiceday twice/day , twice twice/day) G 4mg/kg/day 4mgkgday mgkgday 4mg kg mg enfuvirtide, 12mg/kg/day 12mgkgday 12mg 36mg/kg/day 36mgkgday 36mg th gestation section analysis sacrificed offsprings offspring s lungs occurred p=0.029 p0029 p 0 029 (p=0.02 p0028 028 p=0.028 respectively. respectively . respectively) parameters count organs products p=0.02 p002 02 (p=0.0 p=0.0 p00 (p=0. p=0. p0 (p=0 p=0 (p= p= (p

https://doi.org/10.31744/einstein_journal/2023ao0230

Qualidade de vida de gestantes infectadas pelo vírus da imunodeficiência humana (HIV) na cidade de São Paulo
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Tirado, Maria do Carmo Braga do Amaral

; Bortoletti, Fátima Ferrreira

; Nakamura, Mary Uchiyama

; Souza, Eduardo de

; Soárez, Patrícia Coelho de

; Castelo Filho, Adauto

; Amed, Abês Mahmed

Revista Brasileira de Ginecologia e Obstetrícia

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may 2014, Volume 36 N. 5 Pages 228 - 232

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

OBJETIVO: Avaliar a qualidade de vida (QV) de gestantes infectadas pelo HIV, utilizando o questionário HIV/AIDS - Targeted Quality of Life(HAT-QoL).MÉTODOS: Estudo descritivo que incluiu 60 gestantes atendidas no Núcleo Multidisciplinar de Patologias Infecciosas na Gestação (NUPAIG) - UNIFESP/EPM e na rede de referência da Secretaria Municipal de São Paulo. Foi realizado no período de fevereiro de 2011 a outubro de 2012. Foram coletadas variáveis sociodemográficas e clínicas de 60 gestantes infectadas pelo HIV, que responderam o questionário HAT-QoL, o qual incluiu 34 questões sobre qualidade de vida.RESULTADOS:A média de idade foi 30 anos e o tempo médio de infecção pelo HIV foi de 5,7 anos. Somente 8,3% das pacientes tinham contagem de células CD4 ≤200 células mm³ e 45% apresentavam carga viral indetectável. Os escores médios dos domínios variaram entre 47,5 e 83,7. Os domínios com escores mais baixos foram preocupações financeiras e preocupações com o sigilo. Os domínios com escores mais altos e menor impacto na qualidade de vida foram preocupações com a medicação e confiança no profissional.CONCLUSÃO: Neste estudo inicial, com 60 grávidas, concluímos que o HAT-QOL poderá contribuir para a avaliação da qualidade de vida na população de gestantes infectadas pelo HIV no Brasil.

PURPOSE: It was to assess the quality of life (QOL) of HIV-infected pregnant women using the HIV/AIDS - Targeted Quality of Life (HAT-QoL) questionnaire.METHODS:A descriptive study of 60 pregnant women attended at the Multidisciplinary Nucleus of Infectious Diseases During Pregnancy (NUPAIG) - UNIFESP/EPM and in the referral network of the Municipal Office of São Paulo, conducted from February 2011 to October 2012. Sociodemographic and clinical variables were collected from 60 HIV-infected pregnant women who answered the HAT-QoL questionnaire, which included 34 questions about quality of life.RESULTS:The average age was 30 years and the average period of HIV infection was 5.7 years. Only 8.3% of patients had a CD4 cell score of ≤200 cells/mm³ and 45% showed undetectable viral load. The average domain scores ranged from 47.5 to 83.7. The domains with the lowest scores were financial concerns and concerns about secrecy. The domains with the highest scores and lower impact on quality of life were concerns about medication and confidence in the professional.CONCLUSION: In this initial study with 60 pregnant women, we concluded that the HAT-QOL can contribute to the assessment of quality of life in the population of HIV-infected pregnant women in Brazil.

https://doi.org/10.1590/S0100-7203201400050008 4685 downloads

Randomized trial - oxybutynin for treatment of persistent plantar hyperhidrosis in women after sympathectomy
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Costa Jr, Altair da Silva

; Leao, Luiz Eduardo Villaca

; Succi, Jose Ernesto

; Perfeito, Joao Alessio Juliano

; Castelo Filho, Adauto

; Rymkiewicz, Erika

; Aurelio Marchetti Filho, Marco

Clinics

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feb 2014, Volume 69 N. 2 Pages 101 - 105

Abstract: En | Text: En | PDF: En

OBJECTIVE: Hyperhidrosis is a common disease, and thoracoscopic sympathectomy improves its symptoms in up to 95% of cases. Unfortunately, after surgery, plantar hyperhidrosis may remain in 50% of patients, and compensatory sweating may be observed in 70%. This clinical scenario remains a challenge. Our objective was to evaluate the effectiveness of oxybutynin in the treatment of persistent plantar hyperhidrosis and compensatory sweating and its effects on quality of life in women after thoracoscopic sympathectomy. METHOD: We conducted a prospective, randomized study to compare the effects of oxybutynin at 10 mg daily and placebo in women with persistent plantar hyperhidrosis. The assessment was performed using a quality-of-life questionnaire for hyperhidrosis and sweating measurement with a device for quantifying transepidermal water loss. Clinicaltrials.gov: NCT01328015. RESULTS: Sixteen patients were included in each group (placebo and oxybutynin). There were no significant differences between the groups prior to treatment. After oxybutynin treatment, there was a decrease in symptoms and clinical improvement based on the quality-of-life questionnaire (before treatment, 40.4 vs. after treatment, 17.5; p = 0.001). The placebo group showed modest improvement (p = 0.09). The outcomes of the transepidermal water loss measurements in the placebo group showed no differences (p = 0.95), whereas the oxybutynin group revealed a significant decrease (p = 0.001). The most common side effect was dry mouth (100% in the oxybutynin group vs. 43.8% in the placebo group; p = 0.001). CONCLUSION: Oxybutynin was effective in the treatment of persistent plantar hyperhidrosis, resulting in a better quality of life in women who had undergone thoracoscopic sympathectomy.

https://doi.org/10.6061/clinics/2014(02)05 1827 downloads

Alterações metabólicas do paciente infectado por HIV
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Castelo Filho, Adauto

; Abrão, Paulo

Arquivos Brasileiros de Endocrinologia & Metabologia

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feb 2007, Volume 51 N. 1 Pages 5 - 7

Abstract: Pt | Text: Pt | PDF: Pt

24813 downloads Cited 1 time in SciELO

II Consenso Brasileiro de Tuberculose: Diretrizes Brasileiras para Tuberculose 2004
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Castelo Filho, Adauto

; Kritski, Afrânio Lineu

; Barreto, Ângela Werneck

; Lemos, Antonio Carlos Moreira

; Netto, Antonio Ruffino

; Guimarães, Carlos Alberto

; Silva, Célio Lopes

; Sant'anna, Clemax do Couto

; Haddad, David Jamil

; Lima, Dinalva Soares

; Matos, Eliana Dias

; Melo, Fernanda Carvalho de Queiroz

; Melo, Fernando Augusto Fiúza de

; Gerhardt Filho, Germano

; Marsico, Giovanni Antonio

; Silva, Guida

; Siqueira, Hélio Ribeiro

; Campos, Hisbello

; Saconato, Humberto

; Dourado, Inês

; Rosemberg, José

; Braga, José Ueleres

; Santos, Joseney Raimundo dos

; Seiscento, Márcia

; Conde, Marcus Barreto

; Dalcolmo, Margareth Pretti

; Almeida, Margarida Mattos Brito de

; Penna, Maria Lucia Fernandes

; Barreto, Maurício L.

; Hijjar, Miguel Aiub

; Andrade, Mônica Kramer de Noronha

; Cardoso, Ninarosa Calvazara

; Pineda, Norma Irene Soza

; Leite, Olavo Henrique Munhoz

; Picon, Pedro

; Silva, Rodney Frare e

; Cavalcanti, Solange

; Pereira, Susan M.

; Augusto, Valéria Maria

; Galesi, Vera

; Pinto, Walkyria Pereira

Jornal Brasileiro de Pneumologia

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jun 2004, Volume 30 Suppl. 1 Pages S57 - S86

Abstract: Pt | Text: Pt | PDF: Pt

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Morbidade febril puerperal em pacientes infectadas pelo HIV
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De Marcos, Andrea

; Lunardi, Luciana

; Lindsey, Prescilla Chow

; Amed, Abes Mahmed

; Castelo Filho, Adauto

Revista Brasileira de Ginecologia e Obstetrícia

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apr 2003, Volume 25 N. 3 Pages 155 - 161

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

OBJETIVO: avaliar as taxas de morbidade febril puerperal em pacientes infectadas pelo HIV e sua correlação com a via de parto, duração do trabalho de parto, tempo de rotura de membranas, número de células CD4+ e carga viral do HIV periparto. MÉTODOS: foram incluídas 207 gestantes infectadas pelo HIV, com seguimento pré-natal e parto entre maio de 1997 e dezembro de 2001, sendo 32 submetidas a parto vaginal e 175 a cesárea. Do total de pacientes, 62,8% foram submetidas a cesárea eletiva. A idade média no grupo analisado foi de 27,4 anos, 25,6% eram nulíparas e 26% primíparas, com idade gestacional média de 37,8 semanas no momento do parto. A contagem média de células CD4+ foi de 481 células /mm³ e da carga viral do HIV de 49.100 cópias/mL, ambas no final da gestação. RESULTADOS: a morbidade febril puerperal ocorreu em 34 pacientes, sendo 33 pós-cesárea e 1 pós-parto vaginal. O tipo mais comum de intercorrência infecciosa pós-cesárea foi infecção de cicatriz cirúrgica (13% dos casos de infecção). Os fatores analisados, como duração do trabalho de parto, tempo de rotura de membranas, contagem de células CD4+ ou carga viral do HIV periparto, não interferiram na taxa de morbidade febril puerperal. CONCLUSÕES: A incidência de morbidade febril puerperal foi de 16,8%, sendo mais freqüente pós-cesárea (18,9%) que pós-parto vaginal (3,1%). Os demais fatores não mostraram relação significativa com a taxa de morbidade febril puerperal.

PURPOSE: the morbidity in HIV-positive patients due to puerperal fever was studied and correlated to the method and duration of labor, the duration of premature rupture of the membranes, CD4+ cell count and the viral load (VL) at peridelivery. METHODS: a total of 207 HIV-positive women with prenatal examinations and deliveries between May 1997 and December 2001 were enrolled. Of these, 32 had natural childbirth and 175 had a cesarean section. Of the total of enrolled patients, 62.8% were submitted to elective cesarean section. The average age of the group was 27.4 years, and 25.6% were nulliparous and 26% were primiparous. At the moment of the delivery the average gestational age was 37.8 weeks. At the end of pregnancy the average of the CD4+ cell count was approximately 481 cells/mm³ and the viral load 49,100 copies/mL. RESULTS: puerperal morbidity occurred in 34 patients, with 33 after cesarean section and one after natural childbirth. The most usual intercurrent post-cesarean infection was that of the surgical wound (13% of the infection cases). Analyzed factors, such as delivery duration, duration of rupture of the membranes, number of CD4+ cells or the viral load at peridelivery, did not interfere in puerperal morbidity. CONCLUSIONS: puerperal morbidity was 16.8% and occurred more frequently after cesarean sections (18.9%) than after vaginal deliveries (3.1%). The other factors did not present a significant effect on puerperal morbidity.

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Parestesia e/ou dor nas mãos e/ou punhos como motivo de encaminhamento para estudo eletroneuromiográfico
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Campos, Carmelinda Correia de

; Manzano, Gilberto Mastrocola

; Castelo Filho, Adauto

; Nóbrega, João Antonio Maciel

Arquivos de Neuro-Psiquiatria

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mar 2003, Volume 61 N. 1 Pages 56 - 60

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

Com o objetivo de conhecermos os motivos de encaminhamento para estudo eletrofisiológico, perguntamos a 490 pacientes, encaminhados a dois laboratórios de neurofisiologia (UNIFESP e UNEF): "Qual o motivo que a(o) levou a procurar o médico e que fez com que ele solicitasse este exame"? Parestesia e/ou dor nas mãos e/ou punhos foram espontaneamente referidas como motivo principal por 175 deles (26% UNIFESP e 40% UNEF). O exame eletroneuromiográfico foi normal em, respectivamente, 30,8% e 35,3% e revelou compressão do nervo mediano no carpo em 59% e 51,5% destes pacientes. Sintomas noturnos e parestesia foram comuns nos dois grupos de pacientes, mas não foram capazes de discriminar aqueles com e sem compressão do nervo mediano no carpo. O sintoma dor predominou nos pacientes com exame normal. A pergunta formulada pareceu ser bom instrumento de seleção. Conseguiu selecionar duas amostras de pacientes sintomáticos semelhantes, em laboratórios com população alvo muito diferente.

To study the reasons for referral to electrodiagnostic evaluation, 490 patients referred for electrodiagnostic evaluation to two laboratories (UNIFESP and UNEF) answered the following question: "What was the reason that brought you to look for a physician and that led him to ask this examination?" Paresthesia and/or pain were answered as the main reason by 175 of them (26% UNIFESP and 40% UNEF). The electromyographical examinations were normal in 30.8% and 35.3% and involvement of the median nerve at the wrist was detected in 5 9% and 51.5% of them. Nocturnal symptoms and paresthesia were commonly noted in both groups of patients; they, however, were not able to separate the patients with and without median nerve compression at the wrist. The question asked seems to be a useful selection instrument, to select two similar symptomatic samples of patients from two laboratories serving with very different target populations.

12741 downloads Cited 1 time in SciELO

Tradução e validação do questionário de avaliação de gravidade dos sintomas e do estado funcional na síndrome do túnel do carpo
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Campos, Carmelinda Correia de

; Manzano, Gilberto Mastrocola

; Andrade, Lucilia Bannwart de

; Castelo Filho, Adauto

; Nóbrega, João Antonio Maciel

Arquivos de Neuro-Psiquiatria

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mar 2003, Volume 61 N. 1 Pages 51 - 55

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

Este estudo tem por objetivo traduzir, fazer a equivalência cultural e validar o questionário de Levine et al. (1993) ou Boston Carpal Tunnel Questionnaire (BCTQ), para o português. O BCTQ aplicado a pacientes selecionados pela pergunta "Qual o motivo que a(o) levou a procurar o médico e que fez com que ele solicitasse este exame?" mostrou boa reprodutibilidade. A validade foi medida comparando o escore de gravidade dos sintomas (EGS) e o escore do estado funcional (EEF) aos resultados dos testes de força de preensão e pinça, Minnesota, discriminação entre dois pontos, Semmes-Weinstein e velocidade de condução sensitiva no nervo mediano. A consistência interna foi avaliada pelo coeficiente a de Chronbach, comparando o EGS ao EEF. A propriedade de medida foi avaliada pelo teste t pareado, comparando escores pré-cirúrgicos aos pós-cirúrgicos. Reprodutibilidade, consistência interna, validade e propriedades de medida do BCTQ traduzido foram semelhantes às encontradas por Levine et al. na versão original.

The objective of the present study was to translate, to do cultural equivalence and validation of the Levine et al. (1993) or Boston Carpal Tunnel Questionnaire (BCTQ) to Portuguese. The BCTQ application to patients, selected by the question "What was the reason that brought you to look for a physician and that led him to ask this examination?" showed very good reproducibility. The validity was measured through the comparison of the severity symptoms scores (SSS) and the functional status scores (FSS) with the results of grip forces, Minnesota, two point discrimination, Semmes-Weinstein filaments perception and sensory conduction at the median nerve. The internal consistency was evaluated through Chronbach's alpha coefficient comparing the SSS and the FSS. The measuring properties were evaluated through paired t-test between pre and pos-surgical scores. Reproducibility, internal consistency, validation and measuring properties of the translated BCTQ were similar to those found by Levine et al. with the original version.

11898 downloads Cited 5 times in SciELO

10.

Estimating the length of the first antiretroviral therapy regiment durability in São Paulo, Brazil
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Medeiros, Roseane

; Diaz, Ricardo S.

; Castelo Filho, Adauto

Brazilian Journal of Infectious Diseases

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dec 2002, Volume 6 N. 6 Pages 298 - 304

Abstract: En | Text: En | PDF: En

Brazil was the first country to provide unrestricted, cost-free access to antiretroviral (ARV) medicine for AIDS treatment. However, there is little data about the benefits of such a policy for these patients. We evaluated the duration of benefit obtained with the introduction of ARVs, defined as the durability of the first ARV regiment. We reviewed the medical charts of patients attended from 1996-2000, at the outpatient clinics of the Federal University of São Paulo, Brazil. A total of 120 drug-naive HIV-1 infected patients were eligible to participate in the study. About half of the individuals (53%) presented with disease symptoms; 59% of them had CD4 count below 200 cells/mm³. Mean estimated duration of the benefit of therapy was 14.1 months. The most used regimen in this cohort was Zidovudine/3TC/Indinavir (26%), followed by Zidovudine/DDI (17%), and Zidovudine/3TC/Nelfinavir (13%). The most frequent cause of interruption of therapy was gastrointestinal intolerance. Use of treatment regimens with three drugs was more effective than with two drugs, but only for patients with CD4<200 cells/mm³ or CV>100,000 copies RNA/mL. However, the use of triple therapy was associated with a significantly higher probability of reaching maximum viral suppression, during a longer period (p<0.05).The patients enrolled in the study benefitted from therapy for a limited time, after the introduction of double or triple antiretroviral therapy. The incidence of adverse events was significantly associated with loss of the benefits provided by the initial therapeutic regimen.

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11.

Infecção por Trypanosoma cruzi em candidatos a doador de sangue
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Bonametti, Ana M.

; Castelo Filho, Adauto

; Ramos, Luiz R.

; Baldy, José Luís da S.

; Matsuo, Tiemi

Revista de Saúde Pública

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dec 1998, Volume 32 N. 6 Pages 566 - 571

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

INTRODUÇÃO: A transmissão transfusional da tripanossomíase americana tem-se reduzido no Brasil, com a progressiva ampliação do controle de qualidade do sangue. Nesse sentido, realizou-se pesquisa para avaliar a atual soro-prevalência da infecção por Trypanosoma cruzi em candidatos a doador de sangue em Londrina, Paraná (Brasil), e comparar essa taxa com a encontrada em candidatos a doador estudados em 1958 e 1975, na mesma cidade. MÉTODO: Estudo transversal para determinação da soroprevalência. O imuno-diagnóstico de infecção por Trypanosoma cruzi foi realizado através das técnicas imunoenzimática (ELISA) e imunofluorescência indireta. RESULTADOS E CONCLUSÃO: A taxa de soroprevalência encontrada foi de 1,3%. Foi detectada tendência de queda temporal da taxa de positividade dos testes sorológicos para o diagnóstico de infecção por Trypanosoma cruzi nos bancos de sangue do município estudado nos anos de 1958, 1975 e 1995.

INTRODUCTION: Transmission of American trypanossomiasis by transfusion has been reduced by expansion of control measures of blood quality in Brazil. A research project was, therefore, undertaken to evaluate soropositivity for Trypanosoma cruzi infection on blood donors and to compare this rate with those found in 1958 and 1975 in blood banks. METHOD: A transversal study was carried out on blood donors in Londrina, Paraná, Brazil. ELISA and Immunofluorescence were the serological test techniques used in the diagnosis of Trypanosoma cruzi infection. RESULTS AND CONCLUSION: A serumprevalence rate of 1.3% was found with a tendency for positive serum findings for Trypanosoma cruzi infection on blood donors to decrease over Aime (1958, 1975, and 1995).

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12.

Infecção por Trypanosoma cruzi em candidatos a doador de sangue
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Bonametti, Ana M.

; Castelo Filho, Adauto

; Ramos, Luiz R.

; Baldy, José Luís da S.

; Matsuo, Tiemi

Revista de Saúde Pública

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dec 1998, Volume 32 N. 6 Pages 566 - 571

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

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13.

Seroprevalence of Trypanosoma cruzi Infection in Students at the Seven-Fourteen Age Range, Londrina, PR, Brazil, in 1995
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Bonametti, Ana Maria

; Castelo Filho, Adauto

; Ramos, Luiz Roberto

; Camargo, Eide Dias

; Nakamura, Paulo Mutuko

; Baldy, José Luís da Silveira

; Matsuo, Tiemi

Memórias do Instituto Oswaldo Cruz

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nov 1998, Volume 93 N. 6 Pages 727 - 732

Abstract: En | Text: En | PDF: En

Seropositivity for Chagas disease was evaluated in 834 children aged between 7 and 14 from the Municipal Teaching System in the district of Londrina, State of Paraná. A seroprevalence rate of 0.1% was found through the use of an indirect immunofluorescent test and an enzyme-linked immunosorbent assay. This low rate of seroprevalence provides evidence that the vectorial transmission of Chagas disease has been eliminated in Londrina. The main reason for the elimination of vectorial transmission of Trypanosoma cruzi infection, as evaluated by serological tests, may be a remarkable change in the economic structure of the northern region of Paraná in the 1960's. At that time coffee production was almost completely replaced by soy beans, wheat and grazing in the rural areas. This change deeply affected the rural ecology and caused an exodus of the population from rural to urban areas as well as a decrease in the total number of the population of that region. The measures introduced for controlling the disease through the Program of Chagas Disease Control established by the Fundação Nacional de Saúde of the Brazilian Ministry of Health, certainly, had a positive impact on the reduction of American trypanosomiasis prevalence in the area under study. However, it does not seem that this was the most relevant factor responsible for the elimination of vectorial transmission of Chagas disease in Londrina.

1372 downloads Cited 2 times in SciELO

14.

Profilaxia antimicrobiana em cirurgia do aparelho digestivo: uma proposta de adequação
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Freitas, Marise Reis de

; Pereira, Carlos Alberto P.

; Corrêa, Luci

; Castelo Filho, Adauto

; Lopes Filho, Gaspar de Jesus

; Wey, Sergio Barsanti

Revista do Colégio Brasileiro de Cirurgiões

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jun 1998, Volume 25 N. 3 Pages 185 - 192

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

A profilaxia antimicrobiana é uma das medidas de controle da infecção da ferida cirúrgica. Mesmo com os princípios básicos hoje bem estabelecidos, cerca de 40% das indicações habituais de profilaxia são inadequadas e um dos erros mais comuns está relacionado à duração, em geral superior a 48 horas. Ajustes na profilaxia, além de favorecer sua eficácia na prevenção da infecção cirúrgica, provavelmente contribuiriam para reduzir a pressão seletiva sobre a emergência de bactérias resistentes e custos hospitalares. A simples instituição de uma rotina de antibiótico-profilaxia não garante a adesão dos cirurgiões para adequação do uso de antimicrobianos. No presente estudo, uma intervenção foi realizada na Disciplina de Gastroenterologia Cirúrgica da Universidade Federal de São Paulo - Escola Paulista de Medicina, com a implantação de uma rotina de profilaxia, com a supervisão direta de um infectologista. Os objetivos deste estudo foram avaliar a adequação do uso do antibiótico profilático e seu efeito sobre a infecção cirúrgica pós-operatória. Foi considerada adequada a profilaxia com duração menor ou igual a 24 horas. Dos 318 procedimentos cirúrgicos realizados nos períodos pré e pós-intervenção, em 67,9% foi usado um antibiótico profilático. A intervenção reduziu o uso inadequado de antibiótico de 46,3% para 20,4% (χ² = 15,59; p < 0,05). Infecção do sítio cirúrgico ocorreu em 35,8% dos procedimentos, não se observando modificação deste índice com a adequação da antibiótico-profilaxia. A participação do infectologista é importante na difícil tarefa de racionalizar o uso dos antimicrobianos em nível hospitalar.

Antibiotic prophylaxis is an important measure for the control of surgical site infection. Its principles are well establish in the literature. However, at least 40% of the indications for prophylaxis are inadequate. One of the most common errors is related to the duration of the prophylaxis, which is frequently greater than 48 hours. Adjustments made in prophylaxis would not only decrease surgical site infection rates, but also contribute to the reduction of the selection of resistant bacteria in hospitals and reduce costs. The establishment of prophylaxis routine does not guarante the correct use of antibiotics by surgeons. This study was conducted in the Disciplina de Gastroenterologia Cirúrgica of the Universidade Federal de São Paulo - Escola Paulista de Medicina. The aim of the study were to evaluate the adequate use of the prophylactic antibiotic and its effect on the surgical site infection rate. Antibiotic utilization for 24 hours or less was considered adequate. Of the 318 surgical procedures performed before and after the implementation of the study; 67.9% were followed by the use of prophylactic antibiotic. There was a reduction of inadequate use of antibiotic from 46.3% to 20.4% (χ2 15.59; p < 0.005). Infection of the surgical site occurred in 35.8% of the procedures. No significant change in this percentage was observed with the correct use of prophylactic antibiotic.

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15.

Plasma levels of tumor necrosis factor-alpha in patients with visceral leishmaniasis (Kala-Azar). Association with activity of the disease and clinical remisson following antimonial therapy
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Salomão, Reinaldo

; Castelo Filho, Adauto

; Medeiros, Iara Marques de

; Sicolo, Miguel Angel

Revista do Instituto de Medicina Tropical de São Paulo

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apr 1996, Volume 38 N. 2 Pages 113 - 118

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

Avaliação de TNF-alfa em pacientes com calazar tem despertado grande interesse devido ao seu papel no sistema imunológico e à sua atividade caquetizante. O objetivo deste estudo foi examinar a associação entre os níveis plasmáticos de TNF-alfa, medidos através de sua imunorreatividade (ELISA) e bioatividade (ensaio citotóxico sobre as células L-929), e as manifestações clínicas da leishmaniose visceral. Amostras de 19 pacientes foram obtidas para determinação do TNF-alfa antes, durante e após a terapia antimonial, utilizando o ensaio de citotoxicidade (todos os pacientes) e o ELISA (14 pacientes). Resultados discrepantes entre os ensaios de citotoxicidade e o ELISA foram observados. Níveis circulantes de TNF-alfa, medidos pelo ELISA, foram mais altos nos pacientes que nos controles e declinaram significantemente com a melhora clínica e laboratorial. Níveis plasmáticos antes do tratamento (média = 124,7 pg/ml; DP = 93,3) foram mais elevados que ao final da terapêutica (13,9 pg/ml; DP = 25,1; p = 0,001). Por outro lado, níveis plasmáticos de TNF-alfa, avaliados pela citotoxicidade, não seguiram um curso previsível durante a evolução. Esta discrepância pode ser devida à presença de fatores no plasma que podem influenciar a liberação e atividade do TNF-alfa. Ainda, a lise observada pode não ser totalmente atribuída ao TNF-alfa.

Evaluation of TNF-alpha in patients with Kala-azar has drawn increasing interest due to its regulatory role on the immune system, in addition to its cachetizing activity. The objective of this study was to examine the association between plasma levels of TNF-alpha, measured by immunore-activity (ELISA) and bioactivity (cytotoxicity assay with L-929 cells), and clinical manifestations of visceral leishmaniasis. Plasma samples from 19 patients with Kala-azar were obtained before, during and at the end of antimonial therapy. TNF-alpha determinations was done by using the cytotoxicity assay (all patients) and the enzyme-linked immunoassay (ELISA - 14 patients). A discrepancy between results obtained by ELISA and cytotoxicity assay was observed. Levels of circulating TNF-alpha, assessed by ELISA, were higher in patients than in healthy controls, and declined significantly with improvement in clinical and laboratory parameters. Plasma levels before treatment were 124.7 ± 93.3 pg/ml (mean ± SD) and were higher than at the end of therapy 13.9 ± 25.1 pg/ml (mean ± SD) (p = 0.001). In contrast, plasma levels of TNF-alpha evaluated by cytotoxicity assay did not follow a predicted course during follow-up. Lysis, in this case, might be not totally attributed to TNF-alpha. The discrepancy might be attributed to the presence of factor(s) known to influence the release and activity of TNF-alpha.

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