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Abstract Introduction: Donor shortage and organ allocation is the main problem in pediatric heart transplant. Mechanical circulatory support is known to increase waiting list survival, but it is not routinely used in pediatric programs in Latin America. Methods: All patients listed for heart transplant and supported by a mechanical circulatory support between January 2012 and March 2016 were included in this retrospective single-center study. The endpoints were mechanical circulatory support time, complications, heart transplant survival and discharge from the hospital. Results: Twenty-nine patients from our waiting list were assessed. Twelve (45%) patients were initially supported by extracorporeal membrane oxygenation (ECMO) and a centrifugal pump was implanted in 17 (55%) patients. Five patients initially supported by ECMO were bridged to another device. One was bridged to a centrifugal pump and four were bridged to Berlin Heart Excor®. Among the 29 supported patients, 18 (62%) managed to have a heart transplant. Thirty-day survival period after heart transplant was 56% (10 patients). Median support duration was 12 days (interquartile range [IQR] 4 - 26 days) per run and the waiting time for heart transplant was 9.5 days (IQR 2.5-25 days). Acute kidney injury was identified as a mortality predictor (OR=22.6 [CI=1.04-494.6]; P=0.04). Conclusion: Mechanical circulatory support was able to bridge most INTERMACS 1 and 2 pediatric patients to transplant with an acceptable complication rate. Acute renal failure increased mortality after mechanical circulatory support in our experience.

https://doi.org/10.21470/1678-9741-2018-0081 696 downloads

Use of Short-term Circulatory Support as a Bridge in Pediatric Heart Transplantation
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Canêo, Luiz Fernando

; Miana, Leonardo Augusto

; Tanamati, Carla

; Penha, Juliano Gomes

; Shimoda, Monica Satsuki

; Azeka, Estela

; Miura, Nana

; Galas, Filomena Regina Barbosa Gomes

; Guimarães, Vanessa Alves

; Jatene, Marcelo Biscegli

Arquivos Brasileiros de Cardiologia

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jan 2015, Volume 104 N. 1 Pages 78 - 84

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

Introdução:O transplante cardíaco é o tratamento de escolha na insuficiência cardíaca terminal, porém a escassez de doadores limita o seu emprego, especialmente na população pediátrica. O implante de dispositivos de assistência circulatória mecânica (ACM) pode aumentar o tempo de espera e contribuir na redução da mortalidade.Objetivo:Estudar a evolução dos pacientes pediátricos com diagnóstico de miocardiopatia, com indicação de transplante e que evoluíram em Intermacs1 ou 2, comparando a utilização ou não de algum tipo de ACM de curta duração.Método:No período de janeiro de 2011 a dezembro de 2013, 40 pacientes com idade média de 4,5 anos foram admitidos com diagnóstico de miocardiopatia dilatada. Desses pacientes, 20 evoluíram em Intermacs 1 ou 2. Um faleceu em menos de 24 horas e 19 foram listados para transplante. Os pacientes foram divididos em dois grupos: A, pacientes manejados clinicamente em espera para o transplante; B, pacientes que utilizaram algum tipo de ACM de curta duração durante o tempo de espera em lista.Resultados:No grupo A (n=10), oito pacientes evoluíram para óbito aguardando o transplante e dois pacientes (20%) foram transplantados, sendo que nenhum recebeu alta hospitalar. No grupo B (n = 9), seis pacientes (66,7%; p = 0,04) foram transplantados e três receberam alta hospitalar (p = 0,049). As principais complicações foram insuficiência renal e sepse, no grupo A, e complicações neurológicas no grupo B.Conclusão:O emprego de ACM de curta duração aumentou a sobrevida dos pacientes priorizados e em fila de espera de transplante cardíaco pediátrico.

Background:Heart transplantation is considered the gold standard therapy for the advanced heart failure, but donor shortage, especially in pediatric patients, is the main limitation for this procedure, so most sick patients die while waiting for the procedure.Objective:To evaluate the use of short-term circulatory support as a bridge to transplantation in end-stage cardiomyopathy.Methods:Retrospective clinical study. Between January 2011 and December 2013, 40 patients with cardiomyopathy were admitted in our Pediatric Intensive Care Unit, with a mean age of 4.5 years. Twenty patients evolved during hospitalization with clinical deterioration and were classified as Intermacs 1 and 2. One patient died within 24 hours and 19 could be stabilized and were listed. They were divided into 2 groups: A, clinical support alone and B, implantation of short-term circulatory support as bridge to transplantation additionally to clinical therapy.Results:We used short-term mechanical circulatory support as a bridge to transplantation in 9. In group A (n=10), eight died waiting and 2 patients (20%) were transplanted, but none was discharged. In group B (n=9), 6 patients (66.7%) were transplanted and three were discharged.The mean support time was 21,8 days (6 to 984h). The mean transplant waiting list time was 33,8 days. Renal failure and sepsis were the main complication and causeof death in group A while neurologic complications were more prevalent en group B.Conclusion:Mechanical circulatory support increases survival on the pediatric heart transplantation waiting list in patients classified as Intermacs 1 and 2.

https://doi.org/10.5935/abc.20140165 2153 downloads

Pediatric and congenital heart transplant: twenty-year experience in a tertiary Brazilian Hospital
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Miana, Leonardo Augusto

; Azeka, Estela

; Canêo, Luiz Fernando

; Turquetto, Aída Luisa

; Tanamati, Carla

; Penha, Juliano Gomes

; Cauduro, Alexandre

; Jatene, Marcelo Biscegli

Brazilian Journal of Cardiovascular Surgery

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sep 2014, Volume 29 N. 3 Pages 322 - 329

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

Introdução: O transplante cardíaco tem sido o tratamento de escolha para pacientes pediátricos portadores de miocardiopatias e portadores de cardiopatias congênitas em fase final da doença. Objetivo: Relatar a experiência de 20 anos do serviço e avaliar seus resultados. Métodos: Estudo retrospectivo por meio de análise do banco de dados. Entre outubro de 1992 e abril de 2012, 109 pacientes foram submetidos a 114 transplantes. 51,8% eram do sexo feminino. A idade dos pacientes variou de 12 dias a 21 anos, com média de 8,8±5,7 anos e mediana de 5,2 anos. O diagnóstico de base dos pacientes foi de miocardiopatia dilatada em 61,5%, cardiopatias congênitas em 26,6% e miocardiopatia restritiva em 11,9%. Todos os pacientes entre 17 e 21 anos eram portadores de cardiopatias congênitas. Resultados: A sobrevida em 30 dias, 1, 5, 10, 15 e 20 anos foi de 90,4%, 81,3%, 70,9%, 60,5%, 44,4 e 26,7%, respectivamente. O tempo médio de isquemia do órgão transplantado foi de 187,9 minutos e não teve correlação com a mortalidade (P>0,05). Intercorrências infecciosas e rejeição foram as complicações mais incidentes (P<0,0001), atingindo 66 e 57,4% dos sobreviventes após 10 anos. A incidência de doença vascular do enxerto e doença linfoproliferativa foi zero no primeiro ano e atingiu, respectivamente, 7,4 e 11% dos pacientes em 10 anos. Conclusão: O Transplante Cardíaco neste grupo de pacientes pediátricos e portadores de cardiopatias congênitas pôde oferecer resultados satisfatórios, com uma taxa de complicações aceitável ao longo do seguimento.

Introduction: Cardiac transplantation remains the gold standard for end-stage cardiomyopathies and congenital heart defects in pediatric patients. Objective: This study aims to report on 20 years of experience since the first case and evaluate our results. Methods: We conducted a retrospective analysis of the database and outpatient follow-up. Between October 1992 and April 2012, 109 patients underwent 114 transplants. 51.8% of them being female. The age of patients ranged from 12 days to 21 years with a mean of 8.8±5.7 years and a median of 5.2 years. The underlying diagnosis was dilated cardiomyopathy in 61.5%, congenital heart disease in 26.6% and restrictive cardiomyopathy in 11.9%. All patients above 17 years old had congenital heart disease. Results: Survival rate at 30 days, 1, 5, 10, 15, and 20 years were 90.4%, 81.3%, 70.9%, 60.5%, 44.4% and 26.7%, respectively. Mean cold ischemic time was 187.9 minutes and it did not correlate with mortality (P>0.05). Infectious complications and rejection episodes were the most common complications (P<0.0001), occurring, respectively, in 66% and 57.4% of the survivors after 10 years. There was no incidence of graft vascular disease and lymphoproliferative disease at year one, but they affected, respectively, 7.4% and 11% of patients within 10 years. Conclusion: Twenty-year pediatric heart transplant results at our institution were quite satisfactory and complication rates were acceptable.

https://doi.org/10.5935/1678-9741.20140106 2514 downloads

Clinical research in pediatric organ transplantation
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Azeka, Estela

; Saavedra, Laura Castillo

; Fregni, Felipe

Clinics

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jan 2014, Volume 69 Suppl. 1 Pages 73 - 75

Abstract: En | Text: En | PDF: En

Solid organ transplantation has greatly improved survival in children with end-stage disease, becoming one of the main treatment options in this population. Nonetheless, there are significant challenges associated with validating and optimizing the effects of these interventions in clinical trials. Therefore, we reviewed the main issues related to conducting clinical transplantation research in children. We divided these challenges into three different categories: (i) challenges related to surgical techniques and anesthetic procedures, (ii) challenges related to post-transplant care and (iii) challenges specific to a particular population group and disease type. Some of the observed burdens for clinical research in this field are related to the limitations of conducting studies with a placebo or sham procedure, determining the standard of care for a control group, low prevalence of cases, ethical concerns related to use of a placebo control group and lack of generalizability from animal studies and clinical trials conducted in adult populations. To overcome some of these barriers, it is necessary to utilize alternative clinical trial designs, such as observational studies or non-inferiority trials, and to develop multicenter collaborations to increase the recruitment rate. In conclusion, the lack of robust data related to pediatric transplantation remains problematic, and further clinical trials are needed to develop more efficacious and safer treatments.

https://doi.org/10.6061/clinics/2014(Sup01)12 2057 downloads Cited 2 times in SciELO

Clinical recommendations for postoperative care after heart transplantation in children: 21 years of a single-center experience
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Azeka, Estela

; Jatene, Marcelo Biscegli

; Tanaka, Ana Cristina

; Galas, Filomena Regina

; Hajjar, Ludhmilla Abrahao

; Miura, Nana

; Auler Junior, Jose Otavio Costa

Clinics

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jan 2014, Volume 69 Suppl. 1 Pages 47 - 50

Abstract: En | Text: En | PDF: En

Heart transplantation is an option for children with complex congenital heart disease and cardiomyopathies. A patient's quality of life and long-term survival depend on successful management of the surgical complications and adverse side effects of immunosuppression. The purpose of this review was to summarize the practical management of postoperative care in this patient population and to make recommendations for the future.

https://doi.org/10.6061/clinics/2014(Sup01)09 3349 downloads Cited 1 time in SciELO

Common challenge topics in pediatric transplantation
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Azeka, Estela

; Jatene, Marcelo Biscegli

; Miura, Nana

; Fine, Richard

Clinics

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jan 2014, Volume 69 Suppl. 1 Pages 1 - 2

Abstract: En | Text: En | PDF: En

This special issue is dedicated to the common challenge topics in pediatric transplantation. It contains 11 chapters, ranging from clinical research in pediatric transplantation to translational research (from bench to bedside). It includes comprehensive reviews from renowned scientists, clinicians and surgeons from five countries from the International Pediatric Transplantation Association (IPTA), Harvard University, the University of Miami and the University of São Paulo Medical School. The clinical management of specific issues, such as sensitized patients and ABO blood type-incompatible transplantation, is addressed. In addition, the challenges facing this patient population and the future perspectives for clinical research are discussed.

https://doi.org/10.6061/clinics/2014(Sup01)01 1517 downloads

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

The past, present and future of clinical research
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Azeka, Estela

; Fregni, Felipe

; Auler Junior, Jose Otavio Costa

Clinics

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2011, Volume 66 N. 6 Pages 931 - 932

Abstract: En | Text: En | PDF: En

1847 downloads Cited 4 times in SciELO

10.

Pesquisa cardiovascular: novo modelo de programa de treinamento colaborativo
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Azeka, Estela

; Fregni, Felipe

Arquivos Brasileiros de Cardiologia

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sep 2010, Volume 95 N. 3 Pages 281 - 282

Abstract: Pt | Text: Pt | PDF: Pt

2418 downloads

11.

II Diretriz Brasileira de Transplante Cardíaco
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Bacal, Fernando

; Souza Neto, João David de

; Fiorelli, Alfredo Inácio

; Mejia, Juan

; Marcondes-Braga, Fabiana Goulart

; Mangini, Sandrigo

; Oliveira Jr, José de Lima

; Almeida, Dirceu Rodrigues de

; Azeka, Estela

; Dinkhuysen, Jarbas Jakson

; Moreira, Maria da Consolação Vieira

; Rossi Neto, João Manoel

; Bestetti, Reinaldo Bulgarelli

; Fernandes, Juliana Rolim

; Cruz, Fátima das Dores

; Ferreira, Lucinei Paz

; Costa, Helenice Moreira da

; Pereira, Ana Augusta Maria

; Panajotopoulos, Nicolas

; Benvenuti, Luiz Alberto

; Moura, Lídia Zytynski

; Vasconcelos, Glauber Gean

; Branco, João Nelson Rodrigues

; Gelape, Claudio Leo

; Uchoa, Ricardo Barreira

; Ayub-Ferreira, Silvia Moreira

; Camargo, Luis Fernando Aranha

; Colafranceschi, Alexandre Siciliano

; Bordignon, Solange

; Cipullo, Reginaldo

; Horowitz, Estela Suzana Kleiman

; Branco, Klébia Castelo

; Jatene, Marcelo

; Veiga, Sergio Lopes

; Marcelino, Cesar Augusto Guimarães

; Teixeira Filho, Guaracy Fernandes

; Vila, José Henrique

; Montera, Marcelo Westerlund

Arquivos Brasileiros de Cardiologia

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2010, Volume 94 N. 1 Pages e16 - e76

Abstract: Pt | Text: Pt | PDF: Pt

103007 downloads Cited 7 times in SciELO

12.

Avaliação do peptídeo natriurético tipo B no diagnóstico de rejeição após transplante cardíaco pediátrico
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Sylos, Cristina de

; Azeka, Estela

; Kajita, Luis

; Benvenutti, Luis

; Strunz, Célia Cassaro

; Branco, Klébia Castello

; Riso, Arlindo Almeida

; Tanamati, Carla

; Jatene, Marcelo

; Barbero-Marcial, Miguel

Arquivos Brasileiros de Cardiologia

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mar 2009, Volume 92 N. 3 Pages 227 - 232

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

FUNDAMENTO: A rejeição constitui-se em uma das principais causas de mortalidade após o transplante cardíaco pediátrico. O peptídeo natriurético tipo B (BNP) tem sido estudado como método no diagnóstico de rejeição aguda, especialmente em pacientes adultos submetidos a transplante cardíaco. OBJETIVO:Correlacionar o nível sérico de BNP à rejeição aguda diagnosticada pela biópsia endomiocárdica em pacientes do grupo de transplante cardíaco pediátrico. MÉTODOS:Foram coletadas 50 amostras de BNP de 33 crianças em pós-operatório de transplante cardíaco e analisados dados de idade, sexo, cor, grupo sangüíneo, painel imunológico, tempo de evolução após o transplante, classe funcional, imunossupressão utilizada e número de rejeições. RESULTADOS:Foram 33 crianças com idade mediana de 10,13 anos, predomínio do sexo feminino (54%) e da cor branca (78%). No momento da dosagem de BNP o tempo médio de transplante foi 4,25 anos. A biópsia endomiocárdica diagnosticou nove rejeições em oito pacientes (27%), sendo três com grau 3 A, cinco com grau 2 e um com rejeição humoral. No momento da biópsia, a maioria dos pacientes encontrava-se assintomática. O nível sérico de BNP foi em média 77,18 pg/ml, sendo 144,22 pg/ml no grupo com rejeição e 62,46 pg/ml no grupo sem rejeição, com p = 0,02. CONCLUSÃO: Crianças assintomáticas podem apresentar rejeição aguda no pós-operatório de transplante cardíaco. O nível sérico de BNP apresentou diferença estatisticamente significante no grupo com rejeição, podendo ser método adicional no diagnóstico de rejeição cardíaca.

BACKGROUND: Rejection is one of the major causes of mortality following pediatric heart transplant. B-type natriuretic peptide (BNP) has been studied as a method for the diagnosis of acute rejection, especially in adult patients undergoing heart transplant. OBJECTIVE: To correlate serum BNP levels with acute rejection as diagnosed by endomyocardial biopsy in patients of the pediatric heart transplant group. METHODS: A total of 50 BNP samples were collected from 33 children in the postoperative period of heart transplant, and data on age, gender, skin color, blood group, immune panel, follow-up time after transplant, functional class, immunosuppressive regimen used and number of rejections were analyzed. RESULTS: Thirty three children with median age of 10.13 years were analyzed; of these, 54% were females and 78% were Caucasians. BNP levels were determined at a mean time from transplant of 4.25 years. Nine episodes of rejection were diagnosed in eight patients (27%) by means of endomyocardial biopsy; of these, three were grade 3A, five were grade 2, and one had humoral rejection. At the moment of biopsy, most patients were asymptomatic. The mean serum BNP level was 77.18 pg/ml, with 144.22 pg/ml in the group with rejection and 62.46 pg/ml in the group without rejection, with p = 0.02. CONCLUSION: Asymptomatic children can present acute rejection in the postoperative period of heart transplant. Serum BNP levels show a statistically significant difference in the group with rejection and thus can be an additional method in the diagnosis of cardiac rejection.

FUNDAMENTO: El rechazo constituye una de las principales causas de mortalidad tras el transplante cardiaco pediátrico. El péptido natriurético tipo B (BNP) ha sido estudiado como método en el diagnóstico de rechazo agudo, sobre todo en pacientes adultos sometidos a transplante cardiaco. OBJETIVO:Correlacionar el nivel sérico de BNP al rechazo agudo diagnosticado por biopsia endomiocárdica en pacientes del grupo de transplante cardiaco pediátrico. MÉTODOS:Se recolectaron 50 muestras de BNP de 33 niños en postoperatorio de transplante cardiaco, y se analizaron datos como edad, sexo, color, grupo sanguíneo, cuadro inmunológico, tiempo de evolución tras el transplante, clase funcional, inmunosupresión utilizada y número de rechazos. RESULTADOS:Se seleccionaron a 33 niños con edad promedio de 10,13 años, predominio del sexo femenino (54%) y de color blanca (78%). Al momento de la dosificación de BNP, el tiempo promedio de transplante fue de 4,25 años. La biopsia endomiocárdica diagnosticó nueve rechazos en ocho pacientes (27%), de ellos tres presentaron grado 3A, cinco grado 2 y uno rechazo humoral. Ya al momento de la biopsia, la mayoría de los pacientes se encontraba asintomática. El nivel sérico de BNP tuvo como promedio, 77,18 pg/ml; 144,22 pg/ml en el grupo con rechazo y 62,46 pg/ml en el grupo sin rechazo, con p = 0,02. CONCLUSIÓN: Niños asintomáticos pueden presentar rechazo agudo en el postoperatorio de transplante cardiaco. El nivel sérico de BNP presentó diferencia estadísticamente significante en el grupo con rechazo, lo que lo convierte en posible método adicional en el diagnóstico de rechazo cardiaco.

5270 downloads

13.

Registry of Hospital das Clínicas of the University of São Paulo Medical School: first official solid organ and tissue transplantation report - 2008
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Azeka, Estela

; Auler Júnior, José Otavio Costa

; Fernandes, Paulo Manuel Pego

; Nahas, Willian Carlos

; Fiorelli, Alfredo Inácio

; Tannuri, Uenis

; Cristofani, Lílian Maria

; Caiero, Marcelo Tadeu

; Dulley, Frederico Luiz

; Paggiaro, André de Oliveira

; Bacchella, Telesforo

Clinics

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feb 2009, Volume 64 N. 2 Pages 127 - 134

Abstract: En | Text: En | PDF: En

OBJECTIVE: The aim of this study was to report a single center experience of organ and tissue transplantation INTRODUCTION: This is the first report of organ and tissue transplantation at the Hospital das Clínicas of the University of Sao Paulo Medical School. METHODS: We collected data from each type of organ transplantation from 2002 to 2007. The data collected were patient characteristics and actuarial survival Kaplan-Meier curves at 30 days, one year, and five years RESULTS: There were a total of 3,321 transplants at our institution and the 5-year survival curve ranged from 53% to 88%. CONCLUSION: This report shows that solid organ and tissue transplants are feasible within the institution and allow us to expect that the quality of transplantation will improve in the future.

2182 downloads Cited 7 times in SciELO

14.

III Diretriz Brasileira de Insuficiência Cardíaca Crônica
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Bocchi, Edimar Alcides

; Braga, Fabiana Goulart Marcondes

; Ferreira, Silvia Moreira Ayub

; Rohde, Luis Eduardo Paim

; Oliveira, Wilson Alves de

; Almeida, Dirceu Rodrigues de

; Moreira, Maria da Consolação Vieira

; Bestetti, Reinaldo Bulgarelli

; Bordignon, Solange

; Azevedo, Clério

; Tinoco, Evandro Mesquita

; Rocha, Ricardo Mourilhe

; Issa, Victor Sarli

; Ferraz, Almir

; Cruz, Fátima das Dores

; Guimarães, Guilherme Veiga

; Montera, Vanessa dos Santos Pereira

; Albuquerque, Denilson Campos

; Bacal, Fernando

; Souza, Germano Emilio Conceição

; Rossi Neto, João Manoel

; Clausell, Nadine Oliveira

; Martins, Silvia Marinho

; Siciliano, Alexandre

; Souza Neto, João David de

; Moreira, Luis Felipe

; Teixeira, Ricardo Alkmim

; Moura, Lídia Zytynski

; Beck-da-Silva, Luís

; Rassi, Salvador

; Azeka, Estela

; Horowitz, Estela

; Ramires, Felix

; Simões, Marcus Vinicius

; Castro, Renato Barroso Pereira de

; Salemi, Vera Maria Cury

; Villacorta Junior, Humberto

; Vila, José Henrique

; Simões, Ricardo

; Albanesi, Francisco

; Montera, Marcelo Westerlund

Arquivos Brasileiros de Cardiologia

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2009, Volume 93 N. 1 Pages 3 - 70

Abstract: Pt | Text: Pt | PDF: Pt

432592 downloads Cited 59 times in SciELO

15.

Transplante cardíaco pediátrico em vigência de choque cardiogênico refratário: análise crítica da viabilidade, aplicabilidade e resultados
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Jatene, Marcelo Biscegli

; Miana, Leonardo Augusto

; Pessoa, Alexander John

; Riso, Arlindo

; Azeka, Estela

; Tanamati, Carla

; Gimenez, Solange

; Lopes, Antonio Augusto

; Marcial, Miguel Barbero

; Stolf, Noedir Antonio Groppo

Arquivos Brasileiros de Cardiologia

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may 2008, Volume 90 N. 5 Pages 360 - 364

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

FUNDAMENTO: Considerando crianças com miocardiopatia dilatada, na lista de espera de transplante de coração, podemos avaliar a gravidade do quadro hemodinâmico desses pacientes. Alguns apresentam choque cardiogênico e um elevado índice de mortalidade. Mesmo com suporte inotrópico e respiratório, o transplante de coração é considerado uma condição de extrema gravidade. OBJETIVO: Apresentar nossa experiência com crianças na circunstância de transplante cardíaco em vigência de choque cardiogênico refratário, procurando analisar a viabilidade, a aplicabilidade e os resultados desses transplantes. MÉTODOS: De março de 2001 a fevereiro de 2004, 22 crianças com miocardiopatia dilatada, previamente registradas na lista de transplante, apresentaram choque cardiogênico, necessitando transferência para unidade de terapia intensiva (UTI) pediátrica, intubação e suporte inotrópico. As idades variaram de 11 meses a 11 anos (média = 4,3 idade), com 55% do sexo masculino; 14 poderiam ser listados como prioridade clínica e os outros 8 foram excluídos da lista de espera em razão de condição clínica desfavorável. RESULTADOS: Oito transplantes de coração foram executados, 6 crianças faleceram na fila de espera (42,9%). Duas crianças faleceram (25%) após o transplante; as outras 6 receberam alta hospitalar com boas condições clínicas. As duas principais complicação são rejeição, em 4 casos, e infecção, em 5 casos. Dois apresentaram complicações neurológicas, com recuperação total em um dos casos. CONCLUSÃO: Crianças com miocardiopatia e choque cardiogênico necessitam de transplante imediato; somente 57,1% podiam ser transplantadas, com mortalidade de 25%. Daquelas que sobreviveram ao transplante, a evolução clínica foi boa, similar às crianças transplantas em cirurgias eletivas.

BACKGROUND: In children with dilated cardiomyopathy who are on the waiting list for heart transplantation, we evaluate the seriousness of their hemodynamic conditions. Some develop cardiogenic shock, and the mortality rate is high. Even with inotropic and respiratory support, heart transplantation is considered an extremely grave circumstance. OBJECTIVE: The objective of this study is to report on our experience with children in this condition, in an attempt to analyze the viability, applicability and results of heart transplantation in these children. METHODS: From March 2001 to February 2004, 22 children with dilated cardiomyopathy who were on the waiting list for heart transplantation developed cardiogenic shock, requiring transfer to pediatric intensive care unit (ICU), intubation and inotropic support. Their ages ranged from 11 months to 11 years (mean age: 4.3 years), 55% were males, 14 could be listed as clinical priority, and the remaining 8 were removed from the waiting list due to their unfavorable clinical conditions. RESULTS: Eight heart transplantations were performed, and 6 children died while on the waiting list (42.9%). Two children died (25%) after transplantation and the remaining 6 were discharged from hospital in good clinical condition. The two main complications were organ rejection in 4 cases and infection in 5 cases. Two patients developed neurological complications, and one of them fully recovered. CONCLUSION: Children with cardiomyopathy and cardiogenic shock require immediate heart transplantation; only 57.1% could be transplanted, with an early 25% mortality rate. Those who survived transplantation showed good clinical progress, similar to that of children transplanted on an elective basis.

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