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Author Marcelo de Sousa Tavares

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Pediatric Continuous Renal Replacement Therapy (PCRRT) expert committee recommendation on prescribing prolonged intermittent renal replacement therapy (PIRRT) in critically ill children.

Sidharth Kumar Sethi, Aliza Mittal, Nikhil Nair, Arvind Bagga, Arpana Iyenger, Uma Ali, Rajiv Sinha, Indira Agarwal, Marcelo de Sousa Tavares, Asiri Abeyagunawardena, Mohammed Hanif, Devender Shreshtha, Khemchand Moorani, Sadaf Asim, Vijay Kher, Khalid Alhasan, Chebl Mourani, Mohammed Al Riyami, Timothy E Bunchman, Mignon McCulloch, Rupesh Raina,

INTRODUCTION:Recently, prolonged intermittent renal replacement therapies (PIRRT) have emerged as cost-effective alternatives to conventional CRRT and their use in the pediatric population has started to become more prominent. However, there is a lack of consensus guidelines on the use of PIRRT in pediatric patients in an intensive care setting. METHODS:A ... Read more >>

Hemodial Int (Hemodialysis international. International Symposium on Home Hemodialysis)
[2020, 24(2):237-251]

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Renal replacement therapy in the management of intoxications in children: recommendations from the Pediatric Continuous Renal Replacement Therapy (PCRRT) workgroup.

Rupesh Raina, Manpreet K Grewal, Martha Blackford, Jordan M Symons, Michael J G Somers, Christoph Licht, Rajit K Basu, Sidharth Kumar Sethi, Deepa Chand, Gaurav Kapur, Mignon McCulloch, Arvind Bagga, Vinod Krishnappa, Hui-Kim Yap, Marcelo de Sousa Tavares, Timothy E Bunchman, Michelle Bestic, Bradley A Warady, Maria Díaz-González de Ferris,

BACKGROUND:Intentional or unintentional ingestions among children and adolescents are common. There are a number of ingestions amenable to renal replacement therapy (RRT). METHODS:We systematically searched PubMed/Medline, Embase, and Cochrane databases for literature regarding drugs/intoxicants and treatment with RRT in pediatric populations. Two experts from the PCRRT (Pediatric Continuous Renal Replacement ... Read more >>

Pediatr. Nephrol. (Pediatric nephrology (Berlin, Germany))
[2019, 34(11):2427-2448]

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Development of a risk score for earlier diagnosis of chronic kidney disease in children.

Paulo Cesar Koch Nogueira, Tulio Konstantyner, Maria Fernanda Camargo de Carvalho, Cristine Campos de Xavier Pinto, Isabel de Pádua Paz, Vera Maria Santoro Belangero, Marcelo de Sousa Tavares, Clotilde Druck Garcia, Oreste Angelo Ferra Neto, Káthia Liliane da Cunha Ribeiro Zuntini, Marina da Rocha Lordelo, Samira Shizuko Parreao Oi, Renata Trindade Damasceno, Ricardo Sesso,

OBJECTIVE:To develop a clinical score for the early identification of chronic kidney disease (CKD) in children and adolescents. The early diagnosis of CKD in childhood allows the adoption of measures to slow the progression of the disease, thereby reducing morbidity and mortality. Nevertheless, the diagnosis is often made too late ... Read more >>

PLoS ONE (PloS one)
[2019, 14(4):e0215100]

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Role of FGF23 in Pediatric Hypercalciuria.

Maria Goretti Moreira Guimarães Penido, Marcelo de Sousa Tavares, Uri Saggie Alon,

This study explored the possible role of FGF23 in pediatric hypercalciuria.Plasma FGF23 was measured in 29 controls and 58 children and adolescents with hypercalciuria: 24 before treatment (Pre-Treated) and 34 after 6 months of treatment (Treated). Hypercalciuric patients also measured serum PTH hormone, 25(OH)vitD, phosphate, calcium, creatinine, and 24 h urine ... Read more >>

Biomed Res Int (BioMed research international)
[2017, 2017:3781525]

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Prevalence of risk factors for cardiovascular and kidney disease in Brazilian healthy preschool children.

Adriana Cândida da Silva, Marcelo de Sousa Tavares, Maria Goretti Moreira Guimarães Penido,

To investigate the prevalence of nutritional parameters of risk for cardiovascular disease (CVD) and kidney diseases in healthy preschool children.This is an observational cross-sectional study with 60 healthy children, of both genders, aged two to six years old and 56 mothers, in Belo Horizonte, Minas Gerais, Brazil. Preschool children and ... Read more >>

World J Nephrol (World journal of nephrology)
[2016, 5(6):507-516]

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Parathyroid ultrasonography and bone metabolic profile of patients on dialysis with hyperparathyroidism.

Cláudia Ribeiro, Maria Goretti Moreira Guimarães Penido, Milena Maria Moreira Guimarães, Marcelo de Sousa Tavares, Bruno das Neves Souza, Anderson Ferreira Leite, Leonardo Martins Caldeira de Deus, Lucas José de Campos Machado,

To evaluate the parathyroid ultrasonography and define parameters that can predict poor response to treatment in patients with secondary hyperparathyroidism due to renal failure.This cohort study evaluated 85 patients with chronic kidney disease stage V with parathyroid hormone levels above 800 pg/mL. All patients underwent ultrasonography of the parathyroids and ... Read more >>

World J Nephrol (World journal of nephrology)
[2016, 5(5):437-447]

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Pediatric primary urolithiasis: Symptoms, medical management and prevention strategies.

Maria Goretti Moreira Guimarães Penido, Marcelo de Sousa Tavares,

In the past few decades pediatric urolithiasis has become more frequent. The reason for this increase is not completely clear but has been attributed to changes in climate, nutritional habits and possibly other environmental factors. Although less frequent than adult stone disease, urolithiasis in the pediatric age group is also ... Read more >>

World J Nephrol (World journal of nephrology)
[2015, 4(4):444-454]

Cited: 4 times

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American and Brazilian Children With Primary Urolithiasis: Similarities and Disparities.

Maria Goretti Moreira Guimarães Penido, Marcelo de Sousa Tavares, Milena Maria Moreira Guimarães, Tarak Srivastava, Uri Saggie Alon,

Objectives. Considering the differences in location, socioeconomic background, and cultural background, the aim of this study was to try to identify possible factors associated with the increased incidence of urolithiasis by comparing American and Brazilian children with stones. Methods. Data of 222 American and 190 Brazilian children with urolithiasis were ... Read more >>

Glob Pediatr Health (Global pediatric health)
[2014, 1:2333794X14561289]

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Steroid-resistant idiopathic nephrotic syndrome in children: long-term follow-up and risk factors for end-stage renal disease.

Alberto Zagury, Anne Louise de Oliveira, Jose Augusto Araujo Montalvão, Regina Helena Leite Novaes, Vinicius Martins de Sá, Carlos Augusto Pinheiro de Moraes, Marcelo de Sousa Tavares,

INTRODUTION: Steroid resistant idiopathic nephrotic syndrome (SRINS) in children is one of the leading causes of progression to chronic kidney disease stage V (CKD V)/end stage renal disease (ESRD). OBJECTIVE: The aim of this retrospective study is to evaluate the efficacy of immunosuppressive drugs (IS) and to identify risk factors ... Read more >>

J Bras Nefrol (Jornal brasileiro de nefrologia : 'orgao oficial de Sociedades Brasileira e Latino-Americana de Nefrologia)
[2013, 35(3):191-199]

Cited: 21 times

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Cytokines in chronic kidney disease: potential link of MCP-1 and dyslipidemia in glomerular diseases.

Heloisa Reniers Vianna, Cristina Maria Bouissou M Soares, Katia Daniela Silveira, Gustavo Siqueira Elmiro, Philipe Melgaço Mendes, Marcelo de Sousa Tavares, Mauro Martins Teixeira, Débora Marques Miranda, Ana Cristina Simões E Silva,

BACKGROUND:Many studies have indicated a role for cytokines in chronic kidney disease (CKD). The aim of this study was to evaluate plasma and urinary levels of monocyte chemoattractant protein-1 (MCP-1/CCL2), transforming growth factor-beta1 (TGF-β1), and interleukin-8 (IL-8/CXCL8) in pediatric patients with CKD stages 2-4. METHODS:Cytokines were measured in 37 healthy ... Read more >>

Pediatr. Nephrol. (Pediatric nephrology (Berlin, Germany))
[2013, 28(3):463-469]

Cited: 12 times

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Does thiazide treatment improve bone mineral density in hypercalciuric children?

Maria Goretti Moreira Guimarães Penido, Marcelo de Sousa Tavares,

Pediatr. Nephrol. (Pediatric nephrology (Berlin, Germany))
[2012, 27(8):1417-8; author reply 1419-20]

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Bone disease in pediatric idiopathic hypercalciuria.

Maria Goretti Moreira Guimarães Penido, Marcelo de Sousa Tavares,

Idiopathic hypercalciuria (IH) is the leading metabolic risk factor for urolithiasis and affects all age groups without gender or race predominance. IH has a high morbidity with or without lithiasis and reduced bone mineral density (BMD), as described previously in pediatric patients as well as in adults. The pathogenesis of ... Read more >>

World J Nephrol (World journal of nephrology)
[2012, 1(2):54-62]

Cited: 2 times

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Assessment and management of cardiovascular disease in patients with chronic kidney disease.

Marcelo de Sousa Tavares,

J Bras Nefrol (Jornal brasileiro de nefrologia : 'orgao oficial de Sociedades Brasileira e Latino-Americana de Nefrologia)
[2011, 33(1):113-114]

Cited: 0 times

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Longitudinal study of bone mineral density in children with idiopathic hypercalciuria.

Maria Goretti Moreira Guimarães Penido, Marcelo de Sousa Tavares, Mariana Campos Linhares, Ana Carolina Silva Barbosa, Maarmed Cunha,

Children with idiopathic hypercalciuria (IH) may have a reduced bone mineral density (BMD), which could impact on bone health in adulthood. There is currently no strong evidence for a preferred treatment of such children. The aim of our study was to evaluate the BMD z-score before and after treating children ... Read more >>

Pediatr. Nephrol. (Pediatric nephrology (Berlin, Germany))
[2012, 27(1):123-130]

Cited: 2 times

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