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au:Petrilli, Antonio Sergio

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ALVEOLAR RECRUITMENT MANEUVERS FOR CHILDREN WITH CANCER AND ACUTE RESPIRATORY DISTRESS SYNDROME: A FEASIBILITY STUDY
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Galassi, Marcela Salvador

; Arduini, Rodrigo Genaro

; Araújo, Orlei Ribeiro de

; Sousa, Rosa Masssa Kikuchi

; Petrilli, Antonio Sergio

; Silva, Dafne Cardoso Bourguignon da

Revista Paulista de Pediatria

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2021, Volume 39 elocation e2019275

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

RESUMO Objetivo: A síndrome do desconforto respiratório agudo (SDRA) pode ser uma condição devastadora em crianças com câncer e as manobras de recrutamento alveolar (MRA) podem melhorar a oxigenação e a sobrevida. O objetivo foi avaliar a viabilidade das MRA em crianças gravemente doentes com câncer e SDRA. Métodos: Analisamos retrospectivamente 31 manobras em 12 pacientes (idade mediana de 8,9 anos), com tumores sólidos (n=4), linfomas (n=2) e leucemias linfoide (n=2) e mieloide agudas (n=4). Os pacientes receberam pressão expiratória final positiva de 25 a 40 cmH20, com delta de pressão de 15 cmH2O por 60 segundos. Gasometrias foram analisadas pré e pós-manobras, bem como os parâmetros de ventilação, sinais vitais, hemoglobina, sinais clínicos de sangramento pulmonar e sinais radiológicos de barotrauma. Valores foram comparados com o teste de Wilcoxon. Resultados: A contagem mediana de plaquetas era de 53.200/mm3. Após as manobras, em dois pacientes, a pressão arterial média declinou mais de 20%, e quatro necessitaram de aumento de drogas vasoativas. A hemoglobina permaneceu estável 24 horas após a MRA, sem sinais de pneumotórax, pneumomediastino ou enfisema subcutâneo. Houve diminuição significativa nas frações inspiradas de oxigênio (FiO2; p=0,003). A relação pressão arterial de oxigênio (PaO2)/FiO2 aumentou (p=0,002), e o índice de oxigenação caiu (p=0,01), mas essas melhoras foram transitórias. A mortalidade em 28 dias foi de 58%. Conclusões: As MRA, embora viáveis no contexto da trombocitopenia, levam apenas a melhorias transitórias e podem causar instabilidade hemodinâmica significativa.

ABSTRACT Objective: Acute respiratory distress syndrome (ARDS) can be a devastating condition in children with cancer and alveolar recruitment maneuvers (ARMs) can theoretically improve oxygenation and survival. The study aimed to assess the feasibility of ARMs in critically ill children with cancer and ARDS. Methods: We retrospectively analyzed 31 maneuvers in a series of 12 patients (median age of 8.9 years) with solid tumors (n=4), lymphomas (n=2), acute lymphoblastic leukemia (n=2), and acute myeloid leukemia (n=4). Patients received positive end-expiratory pressure from 25 up to 40 cmH20, with a delta pressure of 15 cmH2O for 60 seconds. We assessed blood gases pre- and post-maneuvers, as well as ventilation parameters, vital signs, hemoglobin, clinical signs of pulmonary bleeding, and radiological signs of barotrauma. Pre- and post-values were compared by the Wilcoxon test. Results: Median platelet count was 53,200/mm3. Post-maneuvers, mean arterial pressure decreased more than 20% in two patients, and four needed an increase in vasoactive drugs. Hemoglobin levels remained stable 24 hours after ARMs, and signs of pneumothorax, pneumomediastinum, or subcutaneous emphysema were absent. Fraction of inspired oxygen decreased significantly after ARMs (FiO2; p=0.003). Oxygen partial pressure (PaO2)/FiO2 ratio increased significantly (p=0.0002), and the oxygenation index was reduced (p=0.01), but all these improvements were transient. Recruited patients’ 28-day mortality was 58%. Conclusions: ARMs, although feasible in the context of thrombocytopenia, lead only to transient improvements, and can cause significant hemodynamic instability.

https://doi.org/10.1590/1984-0462/2021/39/2019275 974 downloads

Invasive pneumococcal disease in children with cancer: Incidence density, risk factors and isolated serotypes
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Lages, Pedro Mendes

; Carlesse, Fabianne

; Boettger, Bruno Cruz

; Pignatari, Antônio Carlos Campos

; Petrilli, Antônio Sérgio

; Moraes-Pinto, Maria Isabel de

Brazilian Journal of Infectious Diseases

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dec 2020, Volume 24 N. 6 Pages 489 - 496

Abstract: En | Text: En | PDF: En

ABSTRACT Background: Pediatric oncology patients (POP) have a high risk of infections due to impaired immunity. Invasive pneumococcal disease (IPD) is an important cause of severe infection in these patients and it is associated with high mortality. This study aimed to evaluate the incidence and risk factors associated with IPD at a Pediatric Oncology Center in Brazil. Methods: This was a retrospective case-control study. All IPD cases in children with cancer from 2005 through 2016 were reviewed. Each case of IPD was matched with two controls from a cohort of patients matched for year of IPD, age and disease in order to assess risk factors. The incidence density was calculated as the number of IPD per 100,000 patients-year. Results: A total of 51 episodes of IPD in 49 patients was identified. All pneumococci were isolated from blood cultures. The median age was five years and 67% were male; mortality rate was 7.8%. The IPD incidence density rate in POP was 311.21 per 100,000 patients-year, significantly higher than the rate in the general pediatric population. Severe neutropenia was the only risk factor associated with IPD, after multivariate conditional logistic regression analysis. Conclusion: Although pneumococcal disease decreased after the introduction of 10-valent pneumococcal vaccine in the Brazilian national immunization schedule in 2010, there was no decrease in the IPD incidence rate in our cohort. A higher coverage rate of pneumococcal vaccination in children in the general population might be necessary to reduce the incidence rate in this high-risk population.

https://doi.org/10.1016/j.bjid.2020.09.003 296 downloads

The influence of cell concentration at cryopreservation on neutrophil engraftment after autologous peripheral blood stem cell transplantation
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Félix, Olga Margareth Wanderley de Oliveira

; Tunes, Gisela

; Ginani, Valéria Cortez

; Simões, Paulo César

; Barros, Daniele Porto

; Delbuono, Elizabete

; Alves, Maria Teresa de Seixas

; Petrilli, Antonio Sérgio

; Lee, Maria Lúcia de Martino

; Gouveia, Roseane Vasconcelos

; Zecchin, Victor Gottardello

; Seber, Adriana

Hematology, Transfusion and Cell Therapy

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sep 2018, Volume 40 N. 3 Pages 233 - 239

Abstract: En | Text: En | PDF: En

ABSTRACT Background: Peripheral blood stem cell concentrations are traditionally adjusted to 20–40 × 106 leukocytes/mL prior to freezing. This low cell concentration at cryopreservation implies larger volumes with more dimethyl sulfoxide being used, and higher cost and toxicity at the time of transplant. Higher cell concentrations have been reported but this is not widely accepted. Moreover, the influence of cell concentration on engraftment has not been well documented. Therefore, this study retrospectively analyzed the influence of peripheral blood stem cell concentration at freezing on engraftment after autologous hematopoietic stem cell transplantation. Method: Leukapheresis products were plasma-depleted and cryopreserved with 5% dimethyl sulfoxide, 6% hydroxyethylamide solution and 4% albumin in a −80 °C freezer. Individual patient data from hospital records were reviewed. Results: Fifty consecutive patients with oncological diseases underwent 88 leukaphereses. Median age was six years (range: 1–32 years) and median weight was 19 kg (range: 8–94 kg). Median leukocyte concentration was 109 × 106/mL at collection and 359 × 106 (range: 58–676 × 106) at freezing with 78% viability (range: 53–95%); leukocyte recovery after thawing was 95% (range: 70–100%). In multivariate analysis, cell concentration (p-value = 0.001) had a negative impact on engraftment. Patients infused with bags frozen with <200 × 106 leukocytes/mL engrafted after a median of nine days (range: 8–12 days), 200–400 × 106 leukocytes/mL after 11 days (range: 9–20 days); 400–600 × 106 leukocytes/mL after 12 days (range: 8–19 days) and with cell concentrations >600 × 106 leukocytes/mL, engraftment was after 14 days (range: 13–22 days). Conclusion: In patients with adequate CD34 cell collections, total leukocyte concentrations of 282 × 106/mL, freezing with 5% dimethyl sulfoxide and 6% hydroxyethylamide solution without a controlled-rate freezer, and storing cells at −80 ºC yielded excellent engraftment. Further increases in cell concentration may delay engraftment, without affecting safety.

https://doi.org/10.1016/j.htct.2018.01.007 1034 downloads

IN TIME: COMO ESTÁ O ATENDIMENTO DA CRIANÇA COM CÂNCER?
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Petrilli, Antonio Sérgio

; Luisi, Flavio Augusto Vercillo

Revista Paulista de Pediatria

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sep 2018, Volume 36 N. 3 Pages 252 - 253

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

https://doi.org/10.1590/1984-0462/;2018;36;3;00019 1037 downloads

Síndrome do desconforto respiratório agudo relacionada à sepse em crianças com câncer: dinâmica respiratória de uma condição devastadora
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Arduini, Rodrigo Genaro

; Araujo, Orlei Ribeiro de

; Silva, Dafne Cardoso Bourguignon da

; Senerchia, Andreza Almeida

; Petrilli, Antonio Sergio

Revista Brasileira de Terapia Intensiva

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dec 2016, Volume 28 N. 4 Pages 436 - 443

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

RESUMO Objetivo: Avaliar a evolução clínica e os parâmetros respiratórios de crianças com câncer submetidas à ventilação mecânica que apresentavam síndrome do desconforto respiratório agudo relacionada à sepse. Métodos: Este estudo longitudinal, prospectivo e observacional de coorte com duração de 2 anos incluiu 29 crianças e adolescentes. Dados clínicos, avaliações de gasometria sanguínea e parâmetros ventilatórios foram coletados em quatro momentos diferentes. As flutuações entre as avaliações e as diferenças entre as médias estimadas foram analisadas por meio de modelos lineares mistos, tendo como parâmetro primário (endpoint) a ocorrência de óbito dentro de 28 dias após o início da síndrome do desconforto respiratório agudo. Resultados: Ocorreram 17 óbitos dentro de 28 dias após o início da síndrome do desconforto respiratório agudo, e outros 7 entre 29 e 60 dias. Apenas cinco pacientes sobreviveram por mais de 60 dias. Nove (31%) pacientes faleceram como consequência direta de hipoxemia refratária, e os demais em razão de falência de múltiplos órgãos e choque refratário a catecolaminas. Em 66% das avaliações, o volume corrente demandado para obter saturação de oxigênio igual ou acima de 90% foi superior a 7mL/kg. As médias estimadas de complacência dinâmica foram baixas e similares para sobreviventes e não sobreviventes, porém com inclinação negativa da reta entre a primeira e última avaliações, acompanhada por uma inclinação negativa da reta para volume corrente nos não sobreviventes. Os não sobreviventes tiveram significantemente mais hipoxemia, com relações PaO2/FiO2 que demonstravam médias mais baixas e inclinação negativa da reta nas quatro avaliações. As pressões pico, expiratória e média das vias aéreas demonstraram inclinações positivas na reta para os não sobreviventes, que também apresentaram mais acidose metabólica. Conclusões: Na maioria de nossas crianças com câncer, a sepse e a síndrome do desconforto respiratório agudo evoluíram com deterioração dos índices ventilatórios e progressiva disfunção de órgãos, o que tornou esta tríade praticamente fatal em crianças.

ABSTRACT Objective: To evaluate the clinical course and respiratory parameters of mechanically ventilated children with cancer suffering from sepsis-related acute respiratory distress syndrome. Methods: This 2-year prospective, longitudinal, observational cohort study enrolled 29 children and adolescents. Clinical data, measurements of blood gases and ventilation parameters were collected at four different time points. Fluctuations between measurements as well as differences in estimated means were analyzed by linear mixed models in which death within 28 days from the onset of acute respiratory distress syndrome was the primary endpoint. Results: There were 17 deaths within 28 days of acute respiratory distress syndrome onset and another 7 between 29 - 60 days. Only 5 patients survived for more than 60 days. Nine (31%) patients died as a direct consequence of refractory hypoxemia, and the others died of multiple organ failure and catecholamine-refractory shock. In 66% of the measurements, the tidal volume required to obtain oxygen saturation equal to or above 90% was greater than 7mL/kg. The estimated means of dynamic compliance were low and were similar for survivors and non-survivors but with a negative slope between the first and final measurements, accompanied by a negative slope of the tidal volume for non-survivors. Non-survivors were significantly more hypoxemic, with PaO2/FiO2 ratios showing lower estimated means and a negative slope along the four measurements. Peak, expiratory and mean airway pressures showed positive slopes in the non-survivors, who also had more metabolic acidosis. Conclusions: In most of our children with cancer, sepsis and acute respiratory distress syndrome progressed with deteriorating ventilation indexes and escalating organic dysfunction, making this triad nearly fatal in children.

https://doi.org/10.5935/0103-507x.20160077 38212 downloads

Educação Infantil na Escola Hospitalar: a construção dos saberes escolares
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Carvalho, Vanessa Alvim Kling Ferraz de

; Petrilli, Antonio Sergio

; Covic, Amalia Neide

Educação & Realidade

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dec 2015, Volume 40 N. 4 Pages 1209 - 1233

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

Este artigo descreve, no âmbito do atendimento escolar hospitalar, a partir de uma pesquisa-ação realizada nesse espaço, o processo de construção da relação com o saber escolar por crianças de quatro e cinco anos, pacientes do IOP/GRAACC/UNIFESP. Trata-se de uma reflexão crítica sobre o atendimento escolar oferecido pela Escola Móvel/Aluno Específico à faixa etária correspondente à Educação Infantil pelo eixo de análise do letramento, da teoria da enunciação de Bakhtin e dos pressupostos sobre relação com o saber e figuras do aprender de Charlot. Para tanto, foram analisadas gravações com falas de 14 professores sobre 23 alunos, colhidas entre maio e dezembro de 2010.

This article describes, within the range of school hospital assistance, from an action-research, the process of construction of the relationship with school knowledge by children aged four and five years old, patients in IOP/GRAACC/UNIFESP. This is a critical reflection about the school attendance offered by Escola Móvel/ Aluno Específico (Mobile School/ Specific Student) - EMAE - to kids in the age group corresponding to preschool by doing an analysis of the literacy. As theoretical references, there are contributions from Bakhtin's theory of enunciation and Charlot's assumptions about the relationship between knowledge and figures of learning. There were analyzed speeches from 14 teachers about 23 students, recorded between May and December of 2010.

https://doi.org/10.1590/2175-623646879 3224 downloads

Computed tomography-guided percutaneous trephine removal of the nidus in osteoid osteoma patients: experience of a single center in Brazil
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Petrilli, Marcelo

; Senerchia, Andreza Almeida

; Petrilli, Antonio Sergio

; Lederman, Henrique Manoel

; Garcia Filho, Reynaldo Jesus

Radiologia Brasileira

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aug 2015, Volume 48 N. 4 Pages 211 - 215

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

Resumo Objetivo: Avaliar os resultados da ressecção percutânea do nidus guiada por tomografia computadorizada em 18 casos de osteoma osteoide. Materiais e Métodos: Os prontuários médicos de 18 crianças, adolescentes e adultos jovens diagnosticados com osteoma osteoide e submetidos a ressecção percutânea do nidus guiada por TC, entre novembro de 2004 e março de 2009, foram revisados retrospectivamente para coleta de dados demográficos, local da lesão, evolução clínica e complicações após o procedimento. Resultados: A mediana de tempo de seguimento de todos os pacientes foi 29 meses (intervalo de 6–60 meses). Dezessete pacientes não apresentaram recorrência da dor no pós-operatório. Apenas um paciente teve recorrência dos sintomas 12 meses após a ressecção percutânea e foi retratado com sucesso, pela mesma técnica, resultando numa taxa de sucesso secundário de 18/18 (100%). Conclusão: A ressecção guiada por tomografia computadorizada do nidus é uma alternativa segura e eficaz para a ressecção cirúrgica do nidus em pacientes com osteoma osteoide.

Abstract Objective: To report the results of computed tomography (CT)-guided percutaneous resection of the nidus in 18 cases of osteoid osteoma. Materials and Methods: The medical records of 18 cases of osteoid osteoma in children, adolescents and young adults, who underwent CT-guided removal of the nidus between November, 2004 and March, 2009 were reviewed retrospectively for demographic data, lesion site, clinical outcome and complications after procedure. Results: Clinical follow-up was available for all cases at a median of 29 months (range 6–60 months). No persistence of pre-procedural pain was noted on 17 patients. Only one patient experienced recurrence of symptoms 12 months after percutaneous resection, and was successfully retreated by the same technique, resulting in a secondary success rate of 18/18 (100%). Conclusion: CT-guided removal or destruction of the nidus is a safe and effective alternative to surgical resection of the osteoid osteoma nidus.

https://doi.org/10.1590/0100-3984.2014.0024 1527 downloads

Postural assessment of patients with non-conventional knee endoprosthesis
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Nakaya, Luciana

; Tsai, Liliana Yu

; Jesus-Garcia Filho, Reynaldo

; Petrilli, Marcelo de Toledo

; Viola, Dan Carai Maia

; Petrilli, Antonio Sérgio

Acta Ortopédica Brasileira

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oct 2014, Volume 22 N. 5 Pages 245 - 249

Abstract: En | Text: En | PDF: En

Objective: To investigate the correlation between the sagittal and frontal alignment and possible postural asymmetries found in patients submitted to total knee stent placement for osteosarcoma.Methods: Twenty two individuals were divided into two groups according to tumor location: femur group (13 patients) and tibia group (nine patients), who were evaluated through postural analysis software (SAPO).Results: No statistically significant difference was found between groups, supporting previous result showing that both groups present the same postural asymmetries.Conclusion: We conclude that both groups have the same postural imbalances, especially the knee of the affected limb that presents hyperextension and center of gravity shifted anteriorly and laterally to the non-affected limb, indicating changes in weight bearing and influencing the gait pattern and balance. Level of Evidence II, Prospective Comparative Study.

https://doi.org/10.1590/1413-78522014220500826 3626 downloads

Total knee arthroplasty with computer-assisted navigation: an analysis of 200 cases,
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Luzo, Marcus Vinicius Malheiros

; Ambra, Luiz Felipe Morlin

; Debieux, Pedro

; Franciozi, Carlos Eduardo da Silveira

; Costi, Raquel Ribeiro

; Petrilli, Marcelo de Toledo

; Kubota, Marcelo Seiji

; Albertoni, Leonardo José Bernardes

; Queiroz, Antônio Altenor Bessa de

; Ferreira, Fábio Pacheco

; Granata Júnior, Geraldo Sérgio de Mello

; Carneiro Filho, Mário

Revista Brasileira de Ortopedia

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apr 2014, Volume 49 N. 2 Pages 149 - 153

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

OBJETIVO: avaliar os resultados das cirurgias assistidas por navegação (CAN) nas artroplastias totais de joelho.MÉTODO: foram avaliados 196 pacientes submetidos à artroplastia total de joelho com auxílio da navegação por computador. Avaliados no intraoperatório os espaços (gaps) de extensão e de flexão, o alinhamento pós-operatório e o questionário funcional da Knee Society Score (KSS) pré-operatório e pós-operatório com seguimento médio de 22 meses.RESULTADOS: dos pacientes, 86,7% apresentaram bom alinhamento do eixo mecânico (dentro de 3◦ de varo ou valgo em relação ao eixo mecânico) e 96,4% apresentaram ambos os gaps de flexão e extensão balanceados. No pré-operatório, 97% dos pacientes apresentavam KSS funcional ruim ou insuficiente, no pós-operatório 77,6% apresentavam KSS funcional bom ou excelente.CONCLUSÃO: a navegação proporcionou a obtenção de implantes alinhados e balanceados com importante melhoria da função nos pacientes. Foram evidenciados sua utilidade no estudo, o entendimento e o aperfeiçoamento do conhecimento na execução das artroplastias.

OBJECTIVE: to evaluate the results from surgery with computer-assisted navigation in cases of total knee arthroplasty.METHOD: a total of 196 patients who underwent total knee arthroplasty with computer-assisted navigation were evaluated. The extension and flexion spaces (gaps) were evaluated during the operation and the alignment after the operation was assessed. The Knee Society Score (KSS) questionnaire for assessing patient's function was applied preoperatively and postoperatively after a mean follow-up of 22 months.RESULTS: in all, 86.7% of the patients presented good alignment of the mechanical axis (less than 3◦ of varus or valgus in relation to the mechanical axis) and 96.4% of the patients presented balanced flexion and extension gaps. Before the operation, 97% of the patients presented poor or insufficient KSS, but after the operation, 77.6% presented good or excellent KSS.CONCLUSION: the navigation system made it possible to achieve aligned and balanced implants, with notable functional improvement among the patients. It was found to be useful in assessing, understanding and improving knowledge in relation to performing arthroplasty procedures.

https://doi.org/10.1016/j.rboe.2014.03.001 2365 downloads

10.

I Diretriz brasileira de cardio-oncologia pediátrica da Sociedade Brasileira de Cardiologia
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Seber, Adriana

; Miachon, Adriana Siviero

; Tanaka, Ana Cristina Sayuri

; Castro, Ângela Maria Spínola e

; Carvalho, Antônio Carlos

; Petrilli, Antônio Sergio

; Macedo, Carla Renata Donato Pacheco

; Nars, Clarissa Carvalho Fongaro

; Terzian, Claudia Naufel

; Castro Junior, Claudio Galvão de

; Santos, Cleusa Cavalcanti Lapa

; Guerra, Cristina Chaves dos Santos

; Silva, Dafne Cardoso Bourguignon da

; Bassi, Débora Ugayama

; Azeka, Estela

; Feitosa, Fabiana Aragão

; Hamamoto, Fernando

; Szarf, Gilberto

; Lederman, Henrique Manoel

; Rigon Junior, Humberto João

; Jatene, Ieda Biscegli

; Mota, Isabele Coelho Fonseca da

; Perrud, Jeferson Adriano

; Soares Junior, José

; Gutierrez, Julián Arango

; Perin, Juliana Pepe Marinho

; Soares, Juliana dos Santos

; Catani, Liane Hulle

; Tsai, Liliana Yu

; Vianna, Livia Cristina

; Paiva, Marcelo Goulart

; Santos, Marcelo José

; Ishigai, Marcia Marcelino de Souza

; Diógenes, Maria Suely Bezerra

; Alves, Maria Teresa de Seixas

; Piedade, Maria Tereza Castro

; Parreiras, Mariana

; Cypriano, Mônica

; Negrini, Nilce da Silva

; Campos Filho, Orlando

; Figueiredo, Paula Andrade

; Novaes, Paulo Eduardo

; Camargo, Paulo Roberto

; Maia, Priscila dos Santos

; Petrilli, Renata

; Arduini, Rodrigo Genaro

; Gouveia, Roseane Vasconcelos

; Teruya, Suzana Barbosa Miranda

; Moisés, Valdir Ambrosio

; Morais, Vera Lúcia Lins de

Arquivos Brasileiros de Cardiologia

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may 2013, Volume 100 N. 5 Pages 1 - 68

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.5935/abc.2013S005 17336 downloads

11.

Vancomycin serum concentrations in pediatric oncologic/hematologic intensive care patients
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Silva, Dáfne Cardoso Bourguignon da

; Seixas, Gláucia Toribio Finoti

; Araujo, Orlei Ribeiro de

; Arduini, Rodrigo Genaro

; Carlesse, Fabianne Altruda de Moraes Costa

; Petrilli, Antonio Sergio

Brazilian Journal of Infectious Diseases

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aug 2012, Volume 16 N. 4 Pages 361 - 365

Abstract: En | Text: En | PDF: En

BACKGROUND: Usual treatment regimens with vancomycin often fail to provide adequate serum levels in patients with severe infections. METHODS: Retrospective analysis of vancomycin trough serum measurements. The following parameters were calculated by Bayesian analysis: vancomycin clearance, distribution volume, and peak estimated concentrations. The area under the concentration curve (AUC) (total daily dose/24 h clearance of vancomycin) was used to determine the effectiveness of treatment through the ratio of AUC/minimum inhibitory concentration (MIC) above 400, using MIC = 1 µg/mL, based on isolates of Staphylococci in cultures. RESULTS: Sixty-one vancomycin trough measurements were analyzed in 31 patients. AUC/MIC > 400 was obtained in 34 out of 61 dosages (55.7%), but the mean vancomycin dose required to achieve these levels was 81 mg/kg/day. In cases where the usual doses were administered (40-60 mg/kg/day), AUC/MIC > 400 was obtained in nine out of 18 dosages (50%), in 13 patients. Trough serum concentrations above 15 mg/L presented a positive predictive value of 100% and a negative predictive value of 71% for AUC/MIC > 400. CONCLUSION: Higher than usual vancomycin doses may be required to treat staphylococcal infections in children with oncologic/hematologic diseases. Since the best known predictor of efficacy is the AUC/MIC ratio, serum trough concentrations must be analyzed in conjunction with MICs of prevalent Staphylococci and pharmacokinetic tools such as Bayesian analysis.

https://doi.org/10.1016/j.bjid.2012.06.011 2784 downloads

12.

Estudo epidemiológico de câncer na adolescência em centro de referência
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Presti, Paula de Figueiredo

; Macedo, Carla Renata D.

; Caran, Eliana Monteiro

; Rodrigues, Ana Helena D.

; Petrilli, Antônio Sérgio

Revista Paulista de Pediatria

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jun 2012, Volume 30 N. 2 Pages 210 - 216

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

OBJETIVO: Analisar as características epidemiológicas dos adolescentes portadores de neoplasias encaminhados para o Instituto de Oncologia Pediátrica (IOP/GRAACC) da Universidade Federal de São Paulo, entre os anos de 2000 a 2006. MÉTODOS: Trata-se de um estudo retrospectivo descritivo, em que foram avaliados os dados epidemiológicos dos pacientes, com idade entre dez e19 anos ao diagnóstico, admitidos do ano 2000 a 2006 no IOP/Graacc. RESULTADOS: Do total de 2.362 pacientes admitidos neste período com diagnóstico de câncer, 629 (26,6%) eram adolescentes. A idade média encontrada foi de 13,8 anos, sendo a maioria do sexo masculino (56,8%). Em relação à raça, 60,7% dos pacientes eram brancos. Os tipos de tumores mais frequentes foram: tumores de sistema nervoso central (22,1%), osteossarcoma (14,6%), linfomas (14,5%) e leucemias (14,5%). A sobrevida global, em cinco anos, dos 629 pacientes deste estudo foi de 73,7%. Destaca-se que os adolescentes com rabdomiossarcoma apresentavam doença disseminada e histologia de pior prognóstico, contribuindo para o aumento na taxa de mortalidade deste grupo de pacientes. CONCLUSÕES: Os adolescentes com câncer correspondem a um grupo de pacientes que apresenta características peculiares quando comparado a outros grupos oncológicos. Há diferença histológica dos tumores dos adolescentes com os da infância, em que predominam leucemias e tumores do sistema nervoso central. Nesse contexto, é fundamental facilitar o acesso desses pacientes a centros especializados e oferecer meios apropriados para o diagnóstico precoce e tratamento adequado.

OBJECTIVE: To analyze the epidemiological characteristics of adolescents with cancer referred to an oncologic center, between 2000 and 2006. METHODS: A retrospective descriptive study was carried out in order to evaluate the epidemiological data of patients aged between ten and 19 years at diagnosis and admitted at the Institute of Oncology (IOP/Graacc) of Universidade Federal de São Paulo, Brazil, between 2000 and 2006. RESULTS: Among 2,362 patients admitted during this period with a diagnosis of cancer, 629 (26.6%) were adolescents. Mean age was 13.7 years, being 56.8% male. Regarding race, 60.7% of the patients were white, 30% mulattoes, 6.5% blacks, and 2.5% of patients had no characterization of race in the medical records. The most frequent types of tumors were: central nervous system tumors (22.1%), osteosarcoma (14.6%), lymphoma (14.5%), and leukemia (14.5%). The overall survival at five years was 73.7%. Adolescents with the diagnosis of rhabdomyosarcoma presented disseminated disease and histology of worse prognosis, which contributed for increasing the mortality rate of this group of patients. CONCLUSIONS: Adolescents with cancer are a group of patients with distinct characteristics when compared to other cancer groups. Our results show differences in the prevalence of tumors during adolescence and childhood, in the later leukemias and central nervous system tumors predominate. It is crucial to facilitate the access of adolescents to oncologic centers in order to provide early diagnosis and proper treatment.

OBJETIVO: Analizar las características epidemiológicas de los adolescentes portadores de neoplasias encaminados al Instituto de Oncología Pediátrica (IOP/GRAACC) de la Universidad Federal de São Paulo, entre los años 2000 a 2006. MÉTODOS: Se trata de un estudio retrospectivo descriptivo, en el que fueron evaluados los datos epidemiológicos de los pacientes, con edad entre 10 y 19 años al diagnóstico, admitidos entre los años de 2000 y 2006 en el IOP/GRAACC. RESULTADOS: Del total de 2.362 pacientes admitidos en ese periodo con diagnóstico de cáncer, 629 (26,6%) eran adolescentes. El promedio de edad fue de 13,8 años, siendo la mayoría del sexo masculino (56,8%). Respecto a la raza, 60,7% de los pacientes eran blancos. Los tipos de tumores más frecuentes fueron: tumores de sistema nervioso central (22,1%), osteosarcoma (14,6%), linfomas (14,5%) y leucemias (14,5%). La sobrevida global en cinco años de los 629 pacientes de este estudio fue de 73,7%. Se subraya que los adolescentes con rabdomiosarcoma admitidos al presente estudio presentaban enfermedad diseminada e histología de peor prognosis, contribuyendo al aumento en la tasa de mortalidad de este grupo de pacientes. CONCLUSIONES: Los adolescentes con cáncer corresponden a un grupo de pacientes que presenta características peculiares si comparados a otros grupos oncológicos. Hay diferencia histológica de los tumores de los adolescentes con los de la infancia, en que predominan leucemias y tumores del sistema nervioso central. En ese contexto, es fundamental facilitar el acceso de esos pacientes a centros especializados y ofrecer medios apropiados al diagnóstico temprano y tratamiento adecuado.

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13.

Sarcoma de Ewing: epidemiologia e prognóstico dos pacientes tratados no Instituto de Oncologia Pediátrica, IOP-GRAACC-UNIFESP
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Bellan, Davi Gabriel

; Jesus-Garcia Filho, Reynaldo

; Garcia, Jairo Greco

; Petrilli, Marcelo de Toledo

; Viola, Dan Carai Maia

; Schoedl, Murillo Ferri

; Petrilli, Antonio Sérgio

Revista Brasileira de Ortopedia

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2012, Volume 47 N. 4 Pages 446 - 450

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

OBJETIVO: Traçar o perfil epidemiológico e o prognóstico do sarcoma de Ewing na população brasileira. Material e MÉTODO: Foram avaliados, retrospectivamente, os prontuários de 64 pacientes tratados, com sarcoma de Ewing intraósseo, no Instituto de Oncologia Pediátrica, IOP-GRAACC-Unifesp, no período de 1995 a 2010. RESULTADOS: A análise estatística dos dados obtidos não correlacionou fatores como sexo, trauma, fratura patológica e tempo ao diagnóstico com o desfecho do tratamento. Fatores como metástase inicial, metástase pulmonar, local do tumor, idade, recidiva e tipo de cirurgia indicam resultados que corroboram a literatura consagrada. CONCLUSÃO: O prognóstico no sarcoma de Ewing foi influenciado principalmente pela presença de metástase ao diagnóstico.

OBJECTIVE: To outline the epidemiological profile and prognosis for Ewing's sarcoma in the Brazilian population. Material and METHODS: The medical records of 64 patients with intraosseous Ewing's sarcoma who were treated at the Pediatric Oncology Institute, IOP-GRAACC-Unifesp, between 1995 and 2010, were retrospectively evaluated. RESULTS: The statistical analysis on the data obtained did not correlate factors such as sex, trauma, pathological fracture and time taken for case diagnosis with the treatment outcome. Factors such as initial metastasis, lung metastasis, tumor site, age, recurrence and type of surgery showed results corroborating what has been established in the literature. CONCLUSION: The prognosis in cases of Ewing's sarcoma was mainly influenced by the presence of metastases at the time of diagnosis.

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14.

Early traits of metabolic syndrome in pediatric post-cancer survivors: outcomes in adolescents and young adults treated for childhood medulloblastoma
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Siviero-Miachon, Adriana Aparecida

; Monteiro, Carlos Manoel de Castro

; Pires, Liliane Viana

; Rozalem, Ana Carolina

; Silva, Nasjla Saba da

; Petrilli, Antonio Sergio

; Spinola-Castro, Angela Maria

Arquivos Brasileiros de Endocrinologia & Metabologia

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nov 2011, Volume 55 N. 8 Pages 653 - 660

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

OBJETIVO: Analisar características que predispõem para síndrome metabólica (SM) em sobreviventes de meduloblastoma. SUJEITOS E MÉTODOS: Dezesseis sobreviventes de meduloblastoma pediátrico, 18,0 (4,4) anos, história de radioterapia (RT) cranioespinhal, comparados a nove controles pareados por idade, sexo e índice de massa corporal, de acordo com distribuição de gordura, variáveis metabólicas e cardiovasculares. RESULTADOS: Pacientes com meduloblastoma mostraram aumento da cintura e relações (todos p < 0,05) e HOMA1-IR (p = 0,006), modificados pela secreção do hormônio de crescimento (GH), mas dentro dos limites de normalidade. CONCLUSÕES: Sobreviventes adolescentes e adultos jovens de meduloblastoma apresentaram deposição centrípeta de gordura e diminuição da sensibilidade à insulina, associados ao estado do GH. Sobreviventes de tumor cerebral pediátrico que receberam RT devem ser monitorados para diagnosticar fatores para SM predispondo à doença cardiovascular.

OBJECTIVE: To analyze traits of metabolic syndrome (MetS) in medulloblastoma survivors. SUBJECTS AND METHODS: Sixteen childhood medulloblastoma survivors aged 18.0 (4.4) years, with history of craniospinal radiation therapy (RT) were compared with nine control subjects matched by age, gender, and body mass index, according to fat distribution, metabolic and cardiovascular variables. RESULTS: Medulloblastoma patients showed increases in waist circum-ference and its relationships (all p < 0.05), and HOMA1-IR (p = 0.006), which were modified by growth hormone (GH) secretion status. However, these increases were within normal range. CONCLUSIONS: Adolescent and young adult survivors of medulloblastoma showed centripetal fat deposition and decreased insulin sensitivity, associated with GH status. Pediatric brain tumor survivors following RT should be monitored for the diagnosis of MetS traits predisposing to cardiovascular disease.

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15.

Suplemento artesanal oral: uma proposta para recuperação nutricional de crianças e adolescentes com câncer
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Alves, Fernanda Rodrigues

; Garófolo, Adriana

; Maia, Priscila dos Santos

; Nóbrega, Fernando José de

; Petrilli, Antonio Sergio

Revista de Nutrição

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oct 2010, Volume 23 N. 5 Pages 731 - 744

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

Objetivo Avaliar o impacto do suplemento oral artesanal na recuperação do estado nutricional de pacientes com desnutrição leve, grave e com risco nutricional. Métodos Propuseram-se oito receitas de suplementos visando ofertar entre 30,0% e 35,0% do gasto energético total. Os pacientes com desnutrição grave (grupo B) receberam o suplemento oral por duas semanas, e os demais pacientes (grupo A), por quatro semanas. Para a comparação dos resultados obtidos com o emprego do suplemento oral artesanal, foram utilizados dados referentes a um protocolo anterior, com o mesmo desenho, entretanto, com a utilização de suplemento oral industrializado. Resultados O suplemento oral artesanal fica muito aquém no que diz respeito a alguns micronutrientes, entretanto é cinco vezes mais barato do que a preparação com o suplemento oral industrializado. Os pacientes do grupo A com suplemento oral artesanal apresentaram 88,0% de resposta positiva na semana de avaliação, enquanto os com suplemento oral industrializado tiveram 84,0%. No grupo B, foram recuperados 22,0% dos pacientes com suplemento oral artesanal e 25,0% do grupo com suplemento oral industrializado, não apresentando, portanto, diferença significante. Comparando o impacto do industrializado com o do artesanal na prega cutânea tricipital e circunferência do braço, verificou-se que o suplemento oral industrializado no grupo A apresentou melhores resultados que o suplemento oral artesanal, e no grupo B, esse efeito observado na prega cutânea não foi significante (p=0,16). Os consumos de energia e de proteína, assim como a evolução nutricional, foram semelhantes entre suplemento oral industrializado e suplemento oral artesanal. Apenas a composição corpórea no grupo A com suplemento oral industrializado apresentou melhores resultados. Conclusão Os resultados apresentados neste estudo sugerem que o emprego da terapia com suplemento artesanal seja uma opção capaz de auxiliar na recuperação nutricional de pacientes oncológicos e uma opção para populações financeiramente desfavorecidas.

Objective The aim of this study was to evaluate the impact of homemade oral supplements on the nutritional recovery of patients with mild or severe malnutrition or at nutritional risk. Methods Eight recipes of homemade oral supplements containing 30% to 35% of the total energy expenditure were proposed. The patients with severe malnutrition (group B) received the oral supplement for 2 weeks and the others for 4 weeks (group A). Oral supplementation with homemade supplements was compared with oral supplementation with store-bought supplements, investigated earlier with a protocol with the same design. Results Homemade oral supplements contain much lower amounts of certain micronutrients but are five times cheaper than store-bought supplements. In group A, 88% of the patients taking homemade oral supplements and 84% of the patients taking store-bought supplements responded positively to supplementation. In group B, 22% of the patients taking homemade oral supplements and 25% of the patients taking store-bought supplements recovered. The difference was not significant. The impact of store-bought supplementation on the triceps skinfold thicknesses and arm circumferences of the patients in group A was greater than that obtained with homemade supplements. In group B, the effect on triceps skinfold thickness was not significant (p=0.16). Patients taking homemade or store-bought oral supplements presented similar protein and energy intakes and improvements in nutritional status. Only the body composition of patients in group A taking store-bought oral supplements was better. Conclusion The results obtained by this study suggest that the therapeutic use of homemade oral supplements is an alternative capable of promoting the nutritional recovery of cancer patients, especially those who cannot afford store-bought supplements.

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