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Exploring the Historical Background and Clinical Implications of Electrocardiogram in the Context of Chagas Disease Research
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Hasslocher-Moreno, Alejandro Marcel

; Saraiva, Roberto Magalhães

; Silva Júnior, Telêmaco Luiz da

; Xavier, Sergio Salles

; Sousa, Andréa Silvestre de

Revista da Sociedade Brasileira de Medicina Tropical

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2023, Volume 56 elocation e0506-2023

Resumo: En | Texto: En | PDF: En

ABSTRACT Chagas disease (CD) remains one of the most significant endemic diseases in Latin America. Approximately 30% of individuals with CD develop the cardiac form, the main determinant of morbidity and mortality, which is characterized by typical electrocardiogram (ECG) changes caused by chronic chagasic cardiopathy (CCC). This review accentuates to how crucial it is for research teams and reference centers that treat patients with CD to standardize ECG in CCC. This was a non-systematic review of the literature. ECG is the most widely used examination in the diagnosis and evaluation of CCC, and it is also employed in epidemiological surveys, risk stratification for cardiovascular events and death, and monitoring the clinical progression of the disease. Carlos Chagas and Eurico Villela published the first work addressing CCC in 1922. Other works followed, including the study by Evandro Chagas' which was the first to perform ECG in CD, culminating in Francisco Laranja's seminal work in 1956. Since the 1980s, standardizations and ECG reading codes for CD have been established. This standardization aimed to code complex arrhythmias and characteristic ventricular conduction disorders and standardize ECG readings for clinical and epidemiological studies in CD. Nearly all existing electrocardiographic abnormalities can be found in CD, with a predominance of abnormalities in the formation and conduction of cardiac stimuli. The complex and heterogeneous substrate of CD with varied electrocardiographic manifestations poses a significant challenge when comparing studies involving patients with CCC, emphasizing the need for ECG standardization in CD. (CD America 30 form mortality (ECG . (CCC) nonsystematic non systematic literature surveys death 1922 followed Laranjas Laranja s 1956 1980s established stimuli 3 (CCC 192 195 19 1

https://doi.org/10.1590/0037-8682-0506-2023

[SciELO Preprints] - Guideline of the Brazilian Society of Cardiology on Diagnosis and Treatment of Patients with Chagas Disease Cardiomyopathy
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Marin-Neto, José Antonio Rassi Jr., Anis Moraes Oliveira, Gláucia M. Lemos Correia, Luís Claudio Novaes Ramos Jr., Alberto Hasslocher-Moreno, Alejandro Marcel Luquetti Ostermayer, Alejandro Sousa, Andréa Silvestre de Amato Vincenzo de Paola, Angelo Sobral de Sousa, Antonio Carlos Pinho Ribeiro, Antonio Luiz Correia Filho, Dalmo Moraes de Souza, Dilma do Socorro Cunha-Neto, Edecio J. A. Ramires, Felix Bacal, Fernando Pereira Nunes, Maria do Carmo Martinelli Filho, Martino Ibrahim Scanavacca, Maurício Magalhães Saraiva, Roberto Alves de Oliveira Júnior, Wilson M. Lorga-Filho, Adalberto de Jesus Benevides de Almeida Guimarães, Adriana Lopes Latado Braga, Adriana Sarmento de Oliveira, Adriana V. L. Sarabanda, Alvaro Yecê das Neves Pinto, Ana Assis Lopes do Carmo, André Schmidt, André Costa, Andréa Rodrigues da Ianni, Barbara Maria Markman Filho, Brivaldo Eduardo Rochitte, Carlos Thé Macedo, Carolina Mady, Charles Chevillard, Christophe Bittencourt das Virgens, Cláudio Marcelo Nery de Castro, Cleudson De Paoli de Carvalho Britto, Constança Felícia Pisani, Cristiano do Carmo Rassi, Daniela C. Sobral Filho, Dario Rodrigues Almeida, Dirceu A. Bocchi, Edimar T. Mesquita, Evandro de Souza Nogueira Sardinha Mendes, Fernanda Pereira, Francisca Tatiana Sperandio da Silva, Gilberto Marcelo de Lima Peixoto, Giselle Glotz de Lima, Gustavo H. Veloso, Henrique Turin Moreira, Henrique Bellotti Lopes, Hugo Masciarelli Francisco Pinto, Ibraim Pinto Dias, João Carlos Bemfica, João Marcos Silva-Nunes, João Paulo Soares Barreto-Filho, José Augusto Kerr Saraiva, José Francisco Lannes-Vieira, Joseli Menezes Oliveira, Joselina Luzia V. Armaganijan, Luciana Martins, Luiz Cláudio C. Sangenis, Luiz Henrique Barbosa, Marco Paulo Almeida-Santos, Marcos Antônio Simões, Marcos Vinicius Shikanai-Yasuda, Maria Aparecida Vieira Moreira, Maria da Consolação Higuchi, Maria de Lourdes Costa Monteiro, Maria Rita de Cássia Felix Mediano, Mauro Felippe Maia Lima, Mayara T. Oliveira, Maykon Moreira Dias Romano , Minna Nitz, Nadjar de Tarso Jorge Medeiros, Paulo Vieira Alves, Renato Alkmim Teixeira, Ricardo Coury Pedrosa, Roberto Aras, Roque Morais Torres, Rosália dos Santos Povoa, Rui Manoel Rassi, Sérgio Gabriel Salles Xavier, Sérgio Marinho Martins Alves , Silvia B. N. Tavares, Suelene Lima Palmeira, Swamy da Silva Junior, Telêmaco Luiz da Rocha Rodrigues, Thiago Madrini Junior, Vagner Maia da Costa , Veruska Dutra, Walderez

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Data de publicação: 2022-10-11

Resumo: En Pt

This guideline aimed to update the concepts and formulate the standards of conduct and scientific evidence that support them, regarding the diagnosis and treatment of the Cardiomyopathy of Chagas disease, with special emphasis on the rationality base that supported it.nbsp; Chagas disease in the 21st century maintains an epidemiological pattern of endemicity in 21 Latin American countries. Researchers and managers from endemic and non-endemic countries point to the need to adopt comprehensive public health policies to effectively control the interhuman transmission of T. cruzi infection, and to obtain an optimized level of care for already infected individuals, focusing on diagnostic and therapeutic opportunistic opportunities. nbsp; Pathogenic and pathophysiological mechanisms of the Cardiomyopathy of Chagas disease were revisited after in-depth updating and the notion that necrosis and fibrosis are stimulated by tissue parasitic persistence and adverse immune reaction, as fundamental mechanisms, assisted by autonomic and microvascular disorders, was well established. Some of them have recently formed potential targets of therapies.nbsp; The natural history of the acute and chronic phases was reviewed, with enhancement for oral transmission, indeterminate form and chronic syndromes. Recent meta-analyses of observational studies have estimated the risk of evolution from acute and indeterminate forms and mortality after chronic cardiomyopathy. Therapeutic approaches applicable to individuals with Indeterminate form of Chagas disease were specifically addressed. All methods to detect structural and/or functional alterations with various cardiac imaging techniques were also reviewed, with recommendations for use in various clinical scenarios. Mortality risk stratification based on the Rassi score, with recent studies of its application, was complemented by methods that detect myocardial fibrosis.nbsp; The current methodology for etiological diagnosis and the consequent implications of trypanonomic treatment deserved a comprehensive and in-depth approach. Also the treatment of patients at risk or with heart failure, arrhythmias and thromboembolic events, based on pharmacological and complementary resources, received special attention. Additional chapters supported the conducts applicable to several special contexts, including t. cruzi/HIV co-infection, risk during surgeries, in pregnant women, in the reactivation of infection after heart transplantation, and others.nbsp; nbsp;nbsp; Finally, two chapters of great social significance, addressing the structuring of specialized services to care for individuals with the Cardiomyopathy of Chagas disease, and reviewing the concepts of severe heart disease and its medical-labor implications completed this guideline.

Esta diretriz teve como objetivo principal atualizar os conceitos e formular as normas de conduta e evidências científicas que as suportam, quanto ao diagnóstico e tratamento da CDC, com especial ênfase na base de racionalidade que a embasou. A DC no século XXI mantém padrão epidemiológico de endemicidade em 21 países da América Latina. Investigadores e gestores de países endêmicos e não endêmicos indigitam a necessidade de se adotarem políticas abrangentes, de saúde pública, para controle eficaz da transmissão inter-humanos da infecção pelo T. cruzi, e obter-se nível otimizado de atendimento aos indivíduos já infectados, com foco em oportunização diagnóstica e terapêutica. Mecanismos patogênicos e fisiopatológicos da CDC foram revisitados após atualização aprofundada e ficou bem consolidada a noção de que necrose e fibrose sejam estimuladas pela persistência parasitária tissular e reação imune adversa, como mecanismos fundamentais, coadjuvados por distúrbios autonômicos e microvasculares. Alguns deles recentemente constituíram alvos potenciais de terapêuticas. A história natural das fases aguda e crônica foi revista, com realce para a transmissão oral, a forma indeterminada e as síndromes crônicas. Metanálises recentes de estudos observacionais estimaram o risco de evolução a partir das formas aguda e indeterminada e de mortalidade após instalação da cardiomiopatia crônica. Condutas terapêuticas aplicáveis aos indivíduos com a FIDC foram abordadas especificamente. Todos os métodos para detectar alterações estruturais e/ou funcionais com variadas técnicas de imageamento cardíaco também foram revisados, com recomendações de uso nos vários cenários clínicos. Estratificação de risco de mortalidade fundamentada no escore de Rassi, com estudos recentes de sua aplicação, foi complementada por métodos que detectam fibrose miocárdica. A metodologia atual para diagnóstico etiológico e as consequentes implicações do tratamento tripanossomicida mereceram enfoque abrangente e aprofundado. Também o tratamento de pacientes em risco ou com insuficiência cardíaca, arritmias e eventos tromboembólicos, baseado em recursos farmacológicos e complementares, recebeu especial atenção. Capítulos suplementares subsidiaram as condutas aplicáveis a diversos contextos especiais, entre eles o da co-infecção por T. cruzi/HIV, risco durante cirurgias, em grávidas, na reativação da infecção após transplante cardíacos, e outros.nbsp;nbsp;nbsp; Por fim, dois capítulos de grande significado social, abordando a estruturação de serviços especializados para atendimento aos indivíduos com a CDC, e revisando os conceitos de cardiopatia grave e suas implicações médico-trabalhistas completaram esta diretriz.nbsp;

https://doi.org/10.1590/SciELOPreprints.4820

Chagas disease mortality during the coronavirus disease 2019 pandemic: A Brazilian referral center experience
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Hasslocher-Moreno, Alejandro Marcel

; Saraiva, Roberto Magalhães

; Silva, Gilberto Marcelo Sperandio da

; Xavier, Sergio Salles

; Sousa, Andréa Silvestre de

; Costa, Andrea Rodrigues da

; Mendes, Fernanda de Souza Nogueira Sardinha

; Mediano, Mauro Felippe Felix

Revista da Sociedade Brasileira de Medicina Tropical

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2022, Volume 55 elocation e0562-2021

Resumo: En | Texto: En | PDF: En

ABSTRACT Background We investigated the mortality rates of patients with Chagas disease (CD) during the coronavirus disease 2019 (COVID-19) pandemic and assessed the association between this mortality and CD clinical presentation and comorbidities. Methods: This was an observational retrospective study with clinical data retrieved from medical records. Results: Comorbidities were more prevalent among patients who died from COVID-19 than those who died from other causes. The proportion of patients according to CD clinical presentation was similar between the two groups. Conclusions: The prevalence of comorbidities seems to be related to a poorer prognosis in CD and COVID-19.

https://doi.org/10.1590/0037-8682-0562-2021

Analysis of Three-Dimensional Scar Architecture and Conducting Channels by High-Resolution Contrast-Enhanced Cardiac Magnetic Resonance Imaging in Chagas Heart Disease
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Santos, João Bosco de Figueiredo

; Gottlieb, Ilan

; Tassi, Eduardo Marinho

; Camargo, Gabriel Cordeiro

; Atié, Jacob

; Xavier, Sérgio Salles

; Pedrosa, Roberto Coury

; Brugada, Josep

; Saraiva, Roberto Magalhães

Revista da Sociedade Brasileira de Medicina Tropical

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2022, Volume 55 elocation e0688-2021

Resumo: En | Texto: En | PDF: En

ABSTRACT Background: We aimed to describe the morphology of the border zone of viable myocardium surrounded by scarring in patients with Chagas heart disease and study their association with clinical events. Methods: Adult patients with Chagas heart disease (n=22; 55% females; 65.5 years, SD 10.1) were included. Patients underwent high-resolution contrast-enhanced cardiac magnetic resonance using myocardial delayed enhancement with postprocessing analysis to identify the core scar area and border zone channels number, mass, and length. The association between border zone channel parameters and the combined end-point (cardiovascular mortality or internal cardiac defibrillator implantation) was tested by multivariable Cox proportional hazard regression analyses. The significance level was set at 0.05. Data are presented as the mean (standard deviation [SD]) or median (interquartile range). Results: A total of 44 border zone channels (1[1-3] per patient) were identified. The border zone channel mass per patient was 1.25 (0.48-4.39) g, and the extension in layers of the border zone channels per patient was 2.4 (1.0-4.25). Most border zone channels were identified in the midwall location. Six patients presented the studied end-point during a mean follow-up of 4.9 years (SD 1.6). Border zone channel extension in layers was associated with the studied end-point independent from left ventricular ejection fraction or fibrosis mass (HR=2.03; 95% CI 1.15-3.60). Conclusions: High-resolution contrast-enhanced cardiac magnetic resonance can identify border zone channels in patients with Chagas heart disease. Moreover, border zone channel extension was independently associated with clinical events.

https://doi.org/10.1590/0037-8682-0688-2021

Epidemiological-clinical profile and mortality in patients coinfected with Trypanosoma cruzi/HIV: experience from a Brazilian reference center
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Hasslocher-Moreno, Alejandro Marcel

; Sousa, Andréa Silvestre de

; Xavier, Sergio Salles

; Mendes, Fernanda de Souza Nogueira Sardinha

; Nunes, Estevão Portela

; Grinsztejn, Beatriz Gilda Jegerhorn

; Mediano, Mauro Felippe Felix

Revista da Sociedade Brasileira de Medicina Tropical

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2022, Volume 55 elocation e0240-2022

Resumo: En | Texto: En | PDF: En

ABSTRACT Background: The recent urbanization of Chagas disease (CD) has contributed to a greater risk of coexistence with human immunodeficiency virus (HIV) and AIDS. Methods: This retrospective observational study included patients who were followed at INI-Fiocruz between July 1986 and October 2021. All patients underwent an assessment protocol that included sociodemographic profile, epidemiological history, and clinical evaluation. Descriptive data analyses included reports of the medians and frequencies of variables of interest. Differences in medians between groups were tested using the Mann-Whitney U test. Differences in frequency were tested using Fisher's exact test. Results: Among 2201 patients, 11 (0.5%) were identified with Trypanosoma cruzi/HIV coinfection. Of these, 63.6% were women with a median age of 51.0 years old. Two patients had the indeterminate form of CD, six had the cardiac form, two had the digestive form and one had the cardio-digestive form. Half of the patients were undergoing antiretroviral treatment at the time of coinfection diagnosis with a median CD4+ count of 350 cells/μL and a viral load of 1500 copies/μL. Four patients underwent a xenodiagnosis test at coinfection diagnosis, which all yielded positive results; two of them presented high parasitemia under the risk of reactivation. Prophylaxis for CD reactivation was administered to four patients; two with ketoconazole and two with benznidazole. Six patients died after a median follow-up of 22.5 months, with AIDS being the most common cause of death. Only one case of reactivation was observed. Conclusions: Early diagnosis and prompt treatment of CD reactivation dramatically reduced mortality. Identification of Trypanosoma cruzi/HIV co-infection is crucial to planning a close follow-up of coinfected patients.

https://doi.org/10.1590/0037-8682-0240-2022

Letters to the Editor: Indeterminate form of Chagas Disease: some immunological insights
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Hasslocher-Moreno, Alejandro Marcel

; Xavier, Sergio Salles

; Saraiva, Roberto Magalhães

; Sousa, Andréa Silvestre de

Revista da Sociedade Brasileira de Medicina Tropical

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2022, Volume 55 elocation e0713-2021

Resumo: En | Texto: En | PDF: En

https://doi.org/10.1590/0037-8682-0713-2021

Fibrose Cardíaca e Mudanças Evolutivas na Função Ventricular Esquerda em Pacientes com Cardiopatia Chagásica Crônica
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Santos, João Bosco de Figueiredo

; Gottlieb, Ilan

; Tassi, Eduardo Marinho

; Camargo, Gabriel Cordeiro

; Atié, Jacob

; Xavier, Sérgio Salles

; Pedrosa, Roberto Coury

; Saraiva, Roberto Magalhães

Arquivos Brasileiros de Cardiologia

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Dez 2021, Volume 117 Nº 6 Páginas 1081 - 1090

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

Resumo Fundamento A cardiopatia chagásica (CC) é uma condição de progressão lenta, cujo principal achado histopatológico é fibrose. Objetivos Avaliar se a fibrose cardíaca aumenta ao longo do tempo e se correlaciona com aumento no tamanho do ventrículo esquerdo (CE) e redução na fração de ejeção (FE) na CC crônica. Métodos Estudo retrospectivo que incluiu 20 indivíduos (50% homens; 60±10 anos) com CC crônica que se submeteram a dois exames de ressonância magnética cardíaca (RMC) com realce tardio com gadolínio em um intervalo mínimo de quatro anos entre os exames. Volume, FE e massa de fibrose do ventrículo esquerdo (VE) foram determinados por RMC. Associações da massa de fibrose na primeira RMC com alterações no volume do VE e FE ventricular esquerda na segunda RMC foram testadas por análise de regressão logística. Valores p<0,05 foram considerados significativos. Resultados Os pacientes foram classificados em: A (n=13; alterações típicas de CC no eletrocardiograma e função sistólica global e segmentar do VE normal) e B1 (n=7; alteração na motilidade da parede do VE e FE ≥45%). O tempo médio entre os dois estudos de RMC foi de 5,4±0,5 anos. Fibrose do VE (em % massa do VE) aumentou de 12,6±7.9% para 18,0±14,1% entre os exames de RMC (p=0,02). A massa de fibrose cardíaca no basal associou-se com uma diminuição > cinco unidades absolutas na FE ventricular esquerda da primeira para a segunda RMC (OR 1,48; IC95% 1,03-2,13; p=0,03). A massa de fibrose do VE foi maior e aumentou entre os dois estudos de RMC no grupo de pacientes que apresentaram diminuição na FE entre os testes. Conclusões Mesmo pacientes em estágios iniciais da CC apresentam um aumento na fibrose do miocárdio ao longo do tempo, e a presença de fibrose do VE no basal está associada a uma diminuição da função sistólica do VE.

Abstract Background Chagas heart disease (CHD) is a slow progressing condition with fibrosis as the main histopathological finding. Objectives To study if cardiac fibrosis increases over time and correlates with increase in left ventricular (LV) size and reduction of ejection fraction (EF) in chronic CHD. Methods Retrospective study that included 20 individuals (50% men; 60±10 years) with chronic CHD who underwent two cardiac magnetic resonance imaging (MRI) with late gadolinium enhancement with a minimum interval of four years between tests. LV volume, EF, and fibrosis mass were determined by cardiac MRI. Associations of fibrosis mass at the first cardiac MRI and changes in LV volume and EF at the second cardiac MRI were tested using logistic regression analysis. P values <0.05 were considered significant. Results Patients were classified as follows: A (n=13; changes typical of CHD in the electrocardiogram and normal global and segmental LV systolic function) and B1 (n=7; LV wall motion abnormality and EF≥45%). Mean time between cardiac MRI studies was 5.4±0.5 years. LV fibrosis (in %LV mass) increased from 12.6±7.9% to 18.0±14.1% between MRI studies (p=0.02). Cardiac fibrosis mass at baseline was associated with decrease in >5 absolute units in LV EF from the first to the second MRI (OR 1.48, 95% CI 1.03-2.13, p=0.03). LV fibrosis mass was larger and increased between MRI studies in the group that presented decrease in LV EF between the tests. Conclusions Even patients at an initial stage of CHD show an increase in myocardial fibrosis over time, and the presence of LV fibrosis at baseline is associated with a decrease in LV systolic function.

https://doi.org/10.36660/abc.20200597 3 downloads

Temporal changes in the clinical-epidemiological profile of patients with Chagas disease at a referral center in Brazil
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Hasslocher-Moreno, Alejandro Marcel

; Saraiva, Roberto Magalhaes

; Brasil, Pedro Emmanuel Alvarenga Americano do

; Sangenis, Luiz Henrique Conde

; Xavier, Sergio Salles

; Sousa, Andréa Silvestre de

; Sperandio-da-Silva, Gilberto Marcelo

; Mendes, Fernanda de Souza Nogueira Sardinha

; Costa, Andréa Rodrigues da

; Holanda, Marcelo Teixeira de

; Veloso, Henrique Horta

; Mazzoli-Rocha, Flavia

; Carneiro, Fernanda Martins

; Portela, Luciana Fernandes

; Mediano, Mauro Felippe Felix

Revista da Sociedade Brasileira de Medicina Tropical

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2021, Volume 54 elocation e0040-2021

Resumo: En | Texto: En | PDF: En

Abstract INTRODUCTION We aimed to describe the sociodemographic, epidemiological, and clinical characteristics of patients with chronic Chagas disease (CD) at an infectious disease referral center. Changes in patient profiles over time were also evaluated. METHODS This retrospective study included patients with CD from November 1986-December 2019. All patients underwent an evaluation protocol that included sociodemographic profile; epidemiological history; anamnesis; and physical, cardiologic, and digestive examinations. Trend differences for each 5-year period from 1986 to 2019 were tested using a nonparametric trend test for continuous and generalized linear models with binomial distribution for categorical variables. RESULTS A total of 2,168 patients (52.2% women) were included, with a mean age of 47.8 years old. White patients with low levels of education predominated. The reported transmission mode was vectorial in 90.2% of cases. The majority came from areas with a high prevalence (52.2%) and morbidity (67.8%) of CD. The most common clinical presentation was the indeterminate form (44.9%). The number of patients referred gradually decreased and the age at admission increased during the study period, as did the patients’ levels of education. CONCLUSIONS The clinical profile of CD is characterized by a predominance of the indeterminate form of the disease. Regarding the patients who were followed up at the referral center, there was a progressive increase in the mean age and a concomitant decrease in the number of new patients. This reflects the successful control of vector and transfusion transmission in Brazil as well as the aging population of patients with CD.

https://doi.org/10.1590/0037-8682-0040-2021 158 downloads

Indeterminate form of Chagas disease: historical, conceptual, clinical, and prognostic aspects
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Hasslocher-Moreno, Alejandro Marcel

; Xavier, Sergio Salles

; Saraiva, Roberto Magalhães

; Sousa, Andréa Silvestre de

Revista da Sociedade Brasileira de Medicina Tropical

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2021, Volume 54 elocation e0254-2021

Resumo: En | Texto: En | PDF: En

Abstract Chagas disease (CD) remains a serious endemic disease in Latin America and a major public health problem. Because of globalization, the disease has spread to non-endemic areas in the northern hemisphere. In the chronic phase of the disease, most patients present with the indeterminate form (IF), characterized by positive serology for Trypanosoma cruzi, absence of clinical findings, and normal findings in electrocardiogram (ECG). IF was not recognized as a clinical entity until decades after the discovery of the disease, and only in the 1940-50s, it was categorized as a form of CD, and its conceptual definition was ratified in the 1980s. Children, adolescents, and young adults with the IF benefit from etiological treatment and tend to have less progression to heart disease in the long term than the untreated ones. IF patients have an essentially benign clinical condition, and their prognosis can be compared to that of healthy individuals with normal ECG findings. Currently, because of aging, patients with the IF have comorbidities that require attention in health services.

https://doi.org/10.1590/0037-8682-0254-2021 108 downloads

10.

Registro Multicêntrico de Takotsubo (REMUTA) – Aspectos Clínicos, Desfechos Intra-Hospitalares e Mortalidade a Longo Prazo
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Almeida Junior, Gustavo Luiz Gouvêa de

; Mansur Filho, João

; Albuquerque, Denilson Campos de

; Xavier, Sergio Salles

; Pontes, Álvaro

; Gouvêa, Elias Pimentel

; Martins, Alexandre Bahia Barreiras

; Nunes, Nágela S. V.

; Carestiato, Lilian Vieira

; Petriz, João Luiz Fernandes

; Santos, Armando Márcio Gonçalves

; Bandeira, Bruno Santana

; Abufaiad, Bárbara Elaine de Jesus

; Pacheco, Luciana da Camara

; Oliveira, Maurício Sales de

; Ribeiro Filho, Paulo Eduardo Campana

; Sampaio, Pedro Paulo Nogueres

; Duque, Gustavo Salgado

; Camillis, Luiz Felipe

; Marques, André Casarsa

; Lourenço Jr, Francisco Carlos

; Palazzo, José Ricardo

; Costa, Cláudio Ramos da

; Silva, Bibiana Almeida da

; Zukowski, Cleverson Neves

; Garcia, Romulo Ribeiro

; Zonis, Fernanda de Carvalho

; Paula, Suzana Andressa Morais de

; Ferrari, Carolina Gravano Ferraz

; Rangel, Bruno Soares da Silva

; Ferreira, Roberto Muniz

; Mendes, Bárbara Ferreira da Silva

; Castro, Isabela Ribeiro Carvalho de

; Souza, Leonardo Giglio Gonçalves de

; Araújo, Luiz Henrique dos Santos

; Giani, Alexandre

Arquivos Brasileiros de Cardiologia

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Ago 2020, Volume 115 Nº 2 Páginas 207 - 216

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

Resumo Fundamento A síndrome de takotsubo (takotsubo) é uma forma de cardiomiopatia adquirida. Dados nacionais sobre essa condição são escassos. O Registro REMUTA é o primeiro a incluir dados multicêntricos dessa condição no nosso país. Objetivo Descrever as características clínicas, prognóstico, tratamento intra-hospitalar e mortalidade hospitalar e em 1 ano de seguimento. Métodos Estudo observacional, retrospectivo, tipo registro. Incluídos pacientes internados com diagnóstico de takotsubo ou que desenvolveram esta condição durante internação por outra causa. Os desfechos avaliados incluíram fator desencadeador, análise dos exames, uso de medicações, complicações e óbito intra-hospitalar e em 1 ano de seguimento. O nível de significância adotado foi de 5%. Resultados Foram incluídos 169 pacientes, em 12 centros no Estado do Rio de Janeiro. A idade média foi de 70,9 ± 14,1 anos e 90,5% eram do sexo feminino; 63% dos casos foram de takotsubo primário e 37% secundário. Troponina I foi positiva em 92,5% dos pacientes e a mediana de BNP foi de 395 (176,5; 1725). Supradesnivelamento do segmento ST esteve presente em 28% dos pacientes. A fração de ejeção do ventrículo esquerdo teve mediana de 40 (35; 48)%. Observamos taxa de 25,7% de ventilação mecânica invasiva e 17,4% de choque. Suporte circulatório mecânico foi utilizado em 7,7%. A mortalidade intra-hospitalar foi de 10,6% e a mortalidade ao final de 1 ano foi de 16,5%. Takotsubo secundário e choque cardiogênico foram preditores independentes de mortalidade. Conclusão Os resultados do REMUTA mostram que takotsubo não se trata de patologia benigna como se pensava, especialmente no grupo de takotsubo secundário que acarreta elevada taxa de complicações e de mortalidade. (Arq Bras Cardiol. 2020; 115(2):207-216)

Abstract Background Takotsubo syndrome (TTS) is an acquired form of cardiomyopathy. National Brazilian data on this condition are scarce. The Takotsubo Multicenter Registry (REMUTA) is the first to include multicenter data on this condition in Brazil. Objective To describe the clinical characteristics, prognosis, in-hospital treatment, in-hospital mortality, and mortality during 1 year of follow-up. Methods This is an observational, retrospective registry study including patients admitted to the hospital with diagnosis of TTS and patients admitted for other reasons who developed this condition. Evaluated outcomes included triggering factor, analysis of exams, use of medications, complications, in-hospital mortality, and mortality during 1 year of follow-up. A significance level of 5% was adopted. Results The registry included 169 patients from 12 centers in the state of Rio de Janeiro, Brazil. Mean age was 70.9 ± 14.1 years, and 90.5% of patients were female; 63% of cases were primary TTS, and 37% were secondary. Troponin I was positive in 92.5% of patients, and median BNP was 395 (176.5; 1725). ST-segment elevation was present in 28% of patients. Median left ventricular ejection fraction was 40 (35; 48)%. We observed invasive mechanical ventilation in 25.7% of cases and shock in 17.4%. Mechanical circulatory support was used in 7.7%. In-hospital mortality was 10.6%, and mortality at 1 year of follow-up was 16.5%. Secondary TTS and cardiogenic shock were independent predictors of mortality. Conclusion The results of the REMUTA show that TTS is not a benign pathology, as was once thought, especially regarding the secondary TTS group, which has a high rate of complications and mortality. (Arq Bras Cardiol. 2020; 115(2):207-216)

https://doi.org/10.36660/abc.20190166 1217 downloads

11.

Synergistic Effect of Disease Severity, Anxiety Symptoms and Elderly Age on the Quality of Life of Outpatients with Heart Failure
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Figueiredo, José Henrique Cunha

; Oliveira, Gláucia Maria Moraes de

; Pereira, Basílio Bragança

; Figueiredo, Ana Elisa Bastos

; Nascimento, Emília Matos

; Garcia, Marcelo Iorio

; Xavier, Sergio Salles

Arquivos Brasileiros de Cardiologia

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Jan 2020, Volume 114 Nº 1 Páginas 25 - 32

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

Resumo Fundamento: A insuficiência cardíaca (IC) é uma síndrome multifatorial com repercussões sobre a qualidade de vida (QV). Objetivo: Investigar os principais fatores que interagem e pioram a qualidade de vida de pacientes ambulatoriais com IC. Métodos: Estudo transversal observacional com 99 pacientes, de ambos os sexos, atendidos no ambulatório de IC de um hospital universitário, todos com uma fração de ejeção reduzida (<40%) pela ecocardiografia. Os participantes foram avaliados usando-se um questionário sociodemográfico, um questionário clínico, o Minnesota Living with Heart Failure (MLwHF), e Hospital Anxiety and Depression scale (HADS). QV foi a variável de desfecho. Foram usados dois modelos de análise multivariada, a regressão beta (paramétrica) e a árvore de regressão (não paramétrica), considerando um p < 0,05 e 0,05 < p < 0,10 para significância estatística e clínica, respectivamente. Resultados: A análise por regressão beta mostrou que os sintomas de depressão e ansiedade pioraram a QV de pacientes com IC, bem como o sexo masculino, idade inferior a 60 anos, nível educacional mais baixo, renda familiar mensal menor, internações recorrentes e comorbidades tais como doenças cardíacas isquêmicas e hipertensão arterial. A árvore de regressão confirmou que as classes funcionais da NYHA III e IV pioraram todas as dimensões do MLwHF, interagindo com sintomas de ansiedade, e influenciando direta ou indiretamente, a presença de pior escore total e dimensão emocional do MLwHF. Internações anteriores, na dimensão emocional, e idade inferior a 60 anos, na dimensão geral, associaram-se com ansiedade e classe funcional NYHA, piorando também a QV dos pacientes com IC. Conclusão: IC com fração de ejeção reduzida associou-se com pior resultado do MLwHF. Sintomas de ansiedade, internação prévia e idade mais jovem também associaram-se com pior MLwHF. O conhecimento desses fatores de risco pode, portanto, orientar a avaliação e o tratamento dos pacientes com IC.

Abstract Background: Heart failure (HF) is a multifactorial syndrome with repercussions on quality of life (QoL). Objectives: To investigate the main interacting factors responsible to worsen quality of life of outpatients with HF. Methods: Cross-sectional observational study with 99 patients of both genders, attending a HF outpatient clinic at a university hospital, all with a reduced ejection fraction (<40%) by echocardiography. They were evaluated using sociodemographic and clinical questionnaires, the Minnesota Living with Heart Failure (MLwHF), and the Hospital Anxiety and Depression scale (HADS). QoL was the outcome variable. Two multivariate models were used: the parametric beta regression analysis, and the non-parametric regression tree, considering p < 0.05 and 0.05 < p < 0.10 for statistical and clinical significance, respectively. Results: Beta regression showed that depression and anxiety symptoms worsened the QoL of HF patients, as well as male sex, age younger than 60 years old, lower education level, lower monthly family income, recurrent hospitalizations and comorbidities such as ischemic heart diseases and arterial hypertension. The regression tree confirmed that NYHA functional class III and IV worsen all dimensions of MLwHF by interacting with anxiety symptoms, which influenced directly or indirectly the presence of poorer total score and emotional dimension of MLwHF. Previous hospitalization in the emotional dimension and age younger than 60 years in general dimension were associated with anxiety and NYHA functional class, also worsening the QoL of HF patients. Conclusion: HF with reduced ejection fraction was associated with poorer MLwHF. Anxiety symptoms, previous hospitalization and younger age were also associated with worsened MLwHF. Knowledge of these risk factors can therefore guide assessment and treatment of HF patients.

https://doi.org/10.5935/abc.20190174 804 downloads

12.

Uso de software na imagem ultrassonográfica para diferenciação de edema de origem venosa e de origem linfática em membros inferiores
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Carvalho, Vanessa Lôbo de

; Pitta, Guilherme Benjamin Brandão

; Cunha, Sérgio Xavier Salles

Jornal Vascular Brasileiro

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2020, Volume 19 elocation e20190139

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

Resumo Contexto O edema de membros inferiores (MMII) possui causas de origem sistêmicas e locais. Uma inovação é a utilização de um software de caracterização tecidual para diferenciação da origem do edema em imagens de ultrassom. Objetivos Determinar os parâmetros do uso de software na imagem ultrassonográfica para diferenciação de edema de origem venosa e/ou linfática em MMII. Métodos Trata-se de um estudo transversal do tipo quantitativo analítico com amostragem não probabilística por conveniência. Os instrumentos de coleta foram: anamnese, exame físico, exame de ultrassom e análise do software de caracterização tecidual por imagem ultrassonográfica por meio da quantificação da ecogenicidade e da mediana da escala de cinza (GSM). Resultados A amostra foi composta por 42 MMII de edema venoso, 35 de edema linfático, 14 de edema misto e 11 controle. Quanto à distribuição dos pixels nos intervalos de ecogenicidade, o grupo com edema venoso apresentou 88,31% entre o intervalo hipoecogênico IV ao ecogênico III; o grupo com edema linfático, 71,73% entre o intervalo hipoecogênico II ao ecogênico I; grupo com edema misto, 76,17% entre o intervalo hipoecogênico III ao ecogênico II; e o grupo controle, 84,87% entre o intervalo ecogênico II ao hiperecogênico I. A média e o desvio-padrão da GSM apresentaram diferença estatística entre os grupos. Conclusão O software CATUS permitiu a diferenciação do tipo de edema de MMII, facilitando o diagnóstico do tipo de edema e, consequentemente, a escolha da melhor opção terapêutica.

Abstract Background Lower limb edema has both systemic and local causes. Using software to differentiate the origin of edema in ultrasound images is an innovation. Objective To determine the parameters for using software to differentiate edema of venous and/or lymphatic origin in ultrasound images of the lower limbs. Method This is a cross-sectional, quantitative, analytical study with non-probabilistic sampling by convenience. Data were collected by patient interview, physical examination, ultrasound examination, and analysis of software for tissue characterization in ultrasound image by means of quantification of echogenicity and Gray Scale Median (GSM). Results The sample comprised 42 lower limbs with venous edema, 35 with lymphatic edema, 14 with mixed edema, and 11 control limbs. The distributions of pixels in echogenicity intervals by group was as follows. In the venous edema group, 88.31% were distributed from hypoechogenic interval IV to echogenic interval III; in the lymphatic edema group 71.73% were from hypoechogenic interval II to echogenic interval I; in the mixed edema group 76.17% were from hypoechogenic interval III to echogenic interval II; and in the control group 84.87% were distributed from echogenic interval II to hyperechogenic interval I. Mean and standard deviation of GSM values showed statistical differences between groups. Conclusion The CATUS software enabled differentiation of the type of lower limb edema, facilitating diagnosis of edema type and, consequently, choice of the best therapeutic option.

https://doi.org/10.1590/1677-5449.190139 793 downloads

13.

Chagas disease in Virgem da Lapa, Minas Gerais, Brazil: left ventricle aneurysm and the risk of death in the 24-year interval
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Borges-Pereira, José

; Coura, José Rodrigues

; Zauza, Patrícia Lago

; Pirmez, Claude

; Xavier, Sérgio Salles

Memórias do Instituto Oswaldo Cruz

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2020, Volume 115 elocation e200056

Resumo: En | Texto: En | PDF: En

BACKGROUND Left ventricular aneurysm (LVA) is indicator of high morbidity in Chagas’ disease. A cross-sectional study performed identified LVA in 18.8% of the chronic chagasic patients (CCP). OBJECTIVE Determine the risk of death of patients with chronic chagasic cardiopathy (CCC) and LVA in 24-year interval. MATERIAL AND METHODS In 1995 a cohort of 298 CCP was evaluated by anamnesis, physical examination, EKG and ECHO and classified in groups: G0 = 86 without cardiopathy; G1 = 156 with cardiopathy without LVA and G2 = 56 with cardiopathy and LVA. 38 patients of G0 and G1 used benznidazole. Information about the deaths was obtained in the notary, death certificates, hospital records and family members. FINDINGS Were registered 113 deaths (37.9%): 107 (35.9%) attributed to cardiopathy and 6 (2.0%) to other causes (p < 0.05). Amongst these 107 deaths, 10 (11.6%) occurred in G0; 49 (31.4%) occurred in G1 and 48 (85.7%) occurred in G2 (p < 0.05). The risk of death was 2.7 and 7.4 times significantly higher in G2, than in G1 and G0, respectively. CONCLUSION Chronic chagasic patients with LVA and ejection fraction < 45% have a higher risk of death than those without.

https://doi.org/10.1590/0074-02760200056 731 downloads

14.

Echocardiographic Assessment of Right Ventricular Function by Two-Dimensional Strain In Patients with Left-Sided Valvular Heart Disease: Comparison with Three-Dimensional Echocardiography
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Felix, Alex dos Santos

; Siciliano, Ana Paula dos Reis Velloso

; Belém, Luciano Herman Juacaba

; Azevedo, Fabiula Schwartz de

; Xavier, Sergio Salles

; Lorenzo, Andrea Rocha De

; Azevedo Filho, Clerio Francisco de

International Journal of Cardiovascular Sciences

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Dez 2018, Volume 31 Nº 6 Páginas 630 - 642

Resumo: En | Texto: En | PDF: En

Abstract Background: Right ventricular (RV) dysfunction is a well-known predictor of mortality in patients with valvular heart disease (VHD). The assessment of RV function is often difficult due to complex geometry and hemodynamic factors. We aim to analyze RV function in patients with severe mitral and/or aortic valve disease using two-dimensional strain (2DS) imaging and conventional echocardiographic parameters, comparing it with right ventricular ejection fraction (RVEF) measured by three-dimensional echocardiography (3DE). Methods: Fifty-three patients with severe mitral and/or aortic VHD underwent complete transthoracic echocardiogram in the preoperative setting for cardiac surgery, including conventional echocardiographic parameters of RV function and speckle-tracking derived 2DS indices: RV global longitudinal strain (RVGS) and RV free wall longitudinal strain (RVFWS). Conventional echocardiographic and 2DS parameters were compared with real-time 3DE RVEF using Spearman correlation test. For comparison between two groups of patients based on the presence of RV dysfunction (normal RVEF ≥ 44% - A, abnormal RVEF < 44% - B), we used nonparametric Mann-Whitney U test. ROC (receiver operating characteristic) curve analysis was used to assess the clinical utility of all RV function variables in defining RV dysfunction. P values <0,05 were considered statistically significant. Results: We found a significant correlation between all parameters and RVEF (p<0.05), with best results for RV fractional area change (FAC), RVGS, and RVFWS. Dividing the population into two-groups based on RVEF, we found 14 patients with RV dysfunction (27.4%), and significant differences between the groups for all RV function variables. For detection of RV dysfunction defined by 3DE, ROC curve analysis showed the best area under the curve (AUC) for RVGS (0.872), RVFWS (0.851) and FAC (0.932). Conclusions: We observed significant correlation between RVGS, RVFWS and RVEF, with good accuracy in detecting RV dysfunction, comparable to FAC and better than other conventional parameters of RV function assessment. The evaluation of RV myocardial deformation with 2DS may have additional diagnostic and prognostic value in patients with severe left-sided VHD. (Int J Cardiovasc Sci. 2018; [online].ahead print, PP.0-0).

https://doi.org/10.5935/2359-4802.20180062 1053 downloads

15.

Natriuretic Peptide and Clinical Evaluation in the Diagnosis of Heart Failure Hemodynamic Profile: Comparison with Tissue Doppler Echocardiography
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Almeida Junior, Gustavo Luiz Gouvêa de

; Clausell, Nadine

; Garcia, Marcelo Iorio

; Esporcatte, Roberto

; Rangel, Fernando Oswaldo Dias

; Rocha, Ricardo Mourilhe

; Beck-da-Silva, Luis

; Silva, Fabricio Braga da

; Gorgulho, Paula de Castro Carvalho

; Xavier, Sergio Salles

Arquivos Brasileiros de Cardiologia

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Mar 2018, Volume 110 Nº 3 Páginas 270 - 277

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

Resumo Fundamento: Exame físico e peptídeo natriurético do tipo B (BNP) foram usados para estimar a hemodinâmica e adequar a terapia de pacientes com insuficiência cardíaca aguda descompensada (ICAD). Entretanto, correlação entre esses parâmetros e a pressão de enchimento do ventrículo esquerdo é controversa. Objetivo: Avaliar a acurácia diagnóstica do exame físico, da radiografia de tórax (RT) e do BNP para estimar a pressão atrial esquerda (PAE) avaliada pelo ecodopplercardiograma tecidual. Métodos: Pacientes admitidos com ICAD foram avaliados prospectivamente. As características diagnósticas dos sinais físicos de insuficiência cardíaca, RT e BNP para predizer elevação da PAE (> 15 mmHg), isolados ou combinados, foram calculadas. Teste de Spearman foi usado para analisar a correlação entre variáveis de distribuição não normal. O nível de significância foi 5%. Resultados: Este estudo incluiu 43 pacientes com idade média de 69,9 ± 11,1 anos, fração de ejeção ventricular esquerda de 25 ± 8.0%, e BNP de 1057 ± 1024,21 pg/mL. Individualmente, todos os parâmetros clínicos, RT e BNP apresentaram fraco desempenho para predizer PAE ≥ 15 mmHg. O escore clínico de congestão teve o pior desempenho [área sob a curva receiver operating characteristic (AUC) 0,53], seguindo-se escore clínico + RT (AUC 0,60), escore clínico + RT + BNP > 400 pg/mL (AUC 0,62) e escore clínico + RT + BNP > 1000 pg/mL (AUC 0,66). Conclusão: Exame físico, RT e BNP tiveram desempenho fraco para predizer PAE ≥15 mmHg. O uso desses parâmetros isoladamente ou em combinação pode levar a estimativa imprecisa do perfil hemodinâmico. (Arq Bras Cardiol. 2018; 110(3):270-277)

Abstract Background: Physical examination and B-type natriuretic peptide (BNP) have been used to estimate hemodynamics and tailor therapy of acute decompensated heart failure (ADHF) patients. However, correlation between these parameters and left ventricular filling pressures is controversial. Objective: This study was designed to evaluate the diagnostic accuracy of physical examination, chest radiography (CR) and BNP in estimating left atrial pressure (LAP) as assessed by tissue Doppler echocardiogram. Methods: Patients admitted with ADHF were prospectively assessed. Diagnostic characteristics of physical signs of heart failure, CR and BNP in predicting elevation (> 15 mm Hg) of LAP, alone or combined, were calculated. Spearman test was used to analyze the correlation between non-normal distribution variables. The level of significance was 5%. Results: Forty-three patients were included, with mean age of 69.9 ± 11.1years, left ventricular ejection fraction of 25 ± 8.0%, and BNP of 1057 ± 1024.21 pg/mL. Individually, all clinical, CR or BNP parameters had a poor performance in predicting LAP ≥ 15 mm Hg. A clinical score of congestion had the poorest performance [area under the receiver operating characteristic curve (AUC) 0.53], followed by clinical score + CR (AUC 0.60), clinical score + CR + BNP > 400 pg/mL (AUC 0.62), and clinical score + CR + BNP > 1000 pg/mL (AUC 0.66). Conclusion: Physical examination, CR and BNP had a poor performance in predicting a LAP ≥ 15 mm Hg. Using these parameters alone or in combination may lead to inaccurate estimation of hemodynamics.

https://doi.org/10.5935/abc.20180046 1596 downloads

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