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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.

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

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

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

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

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

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

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

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

10.

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

11.

Global Longitudinal Strain Accuracy for Cardiotoxicity Prediction in a Cohort of Breast Cancer Patients During Anthracycline and/or Trastuzumab Treatment
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Gripp, Eliza de Almeida

; Oliveira, Gabriela Escudini de

; Feijó, Luiz Augusto

; Garcia, Marcelo Iorio

; Xavier, Sergio Salles

; Sousa, Andréa Silvestre de

Arquivos Brasileiros de Cardiologia

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Fev 2018, Volume 110 Nº 2 Páginas 140 - 150

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

Resumo Fundamentos: A elevada morbimortalidade da cardiotoxicidade associada à terapia antineoplásica para o câncer de mama poderia ser reduzida com uso precoce de drogas cardioprotetoras. No entanto, a baixa sensibilidade da fração de ejeção limita sua utilização nessa estratégia preventiva. Novos parâmetros, como o strain longitudinal global, estão sendo utilizados na detecção precoce das alterações da função contrátil. Objetivos: Avaliar a incidência de cardiotoxicidade entre pacientes tratados para câncer de mama, os fatores independentes associados a esse evento e a capacidade do strain em identificá-la precocemente. Métodos: Estudo prospectivo observacional de pacientes ambulatoriais consecutivos com diagnóstico de câncer de mama, sem tratamento antineoplásico prévio, sem disfunção ventricular, submetidos ao uso de antracíclicos e/ou trastuzumab, avaliados trimestralmente de forma cega em relação à terapia, seguidos por 6 a 12 meses. Regressão de Cox foi utilizada para avaliar a associação de variáveis clínicas, terapêuticas e ecocardiográficas com cardiotoxicidade. Curva ROC foi construída para identificar o ponto de corte do strain capaz de prever redução da fração de ejeção. Para todos os testes, o nível de significância estatística foi definido com p ≤ 0,05. Resultados: Dentre 49 mulheres com idade média de 49,7 ± 12,2 anos, identificamos 5 casos de cardiotoxicidade (10%), aos 3 (n = 2) e 6 (n = 3) meses de seguimento. Strain foi associado de forma independente ao evento (p = 0,004; HR = 2,77; IC95%: 1,39-5,54), tendo como ponto de corte o valor absoluto de -16,6 (ASC = 0,95; IC95%: 0,87-1,0) ou redução de 14% (ASC = 0,97; IC95%: 0,9-1,0). Conclusão: A redução de 14% do strain (ou valor absoluto de -16,6) foi capaz de identificar precocemente pacientes que podem evoluir com cardiotoxicidade associada ao antracíclico e/ou trastuzumab.

Abstract Background: The high cardiotoxicity morbidity and mortality rates associated with the antineoplastic therapy for breast cancer could be reduced with the early use of cardioprotective drugs. However, the low sensitivity of left ventricular ejection fraction limits its use in that preventive strategy. New parameters, such as global longitudinal strain, are being used in the early detection of contractile function changes. Objectives: To assess the incidence of cardiotoxicity in patients treated for breast cancer, the independent factors associated with that event, and the ability of strain to identify it early. Methods: Prospective observational study of consecutive outpatients diagnosed with breast cancer, with no previous antineoplastic treatment and no ventricular dysfunction, who underwent anthracycline and/or trastuzumab therapy. The patients were quarterly evaluated on a 6- to 12-month follow-up by an observer blind to therapy. Cox regression was used to evaluate the association of cardiotoxicity with clinical, therapeutic and echocardiographic variables. A ROC curve was built to identify the strain cutoff point on the third month that could predict the ejection fraction reduction on the sixth month. For all tests, the statistical significance level adopted was p ≤ 0.05. Results: Of 49 women (mean age, 49.7 ± 12.2 years), cardiotoxicity was identified in 5 (10%) on the third (n = 2) and sixth (n = 3) months of follow-up. Strain was independently associated with the event (p = 0.004; HR = 2.77; 95%CI: 1.39-5.54), with a cutoff point for absolute value of -16.6 (AUC = 0.95; 95%CI: 0.87-1.0) or a cutoff point for percentage reduction of 14% (AUC = 0.97; 95%CI: 0.9-1.0). Conclusion: The 14% reduction in strain (absolute value of -16.6) allowed the early identification of patients who could develop anthracycline and/or trastuzumab-induced cardiotoxicity.

https://doi.org/10.5935/abc.20180021 3383 downloads

12.

2 nd Brazilian Consensus on Chagas Disease, 2015
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Dias, João Carlos Pinto

; Ramos Jr., Alberto Novaes

; Gontijo, Eliane Dias

; Luquetti, Alejandro

; Shikanai-Yasuda, Maria Aparecida

; Coura, José Rodrigues

; Torres, Rosália Morais

; Melo, José Renan da Cunha

; Almeida, Eros Antonio de

; Oliveira Jr., Wilson de

; Silveira, Antônio Carlos

; Rezende, Joffre Marcondes de

; Pinto, Fabiane Scalabrini

; Ferreira, Antonio Walter

; Rassi, Anis

; Fragata Filho, Abílio Augusto

; Sousa, Andréa Silvestre de

; Correia, Dalmo

; Jansen, Ana Maria

; Andrade, Glaucia Manzan Queiroz

; Britto, Constança Felícia De Paoli de Carvalho

; Pinto, Ana Yecê das Neves

; Rassi Jr., Anis

; Campos, Dayse Elisabeth

; Abad-Franch, Fernando

; Santos, Silvana Eloi

; Chiari, Egler

; Hasslocher-Moreno, Alejandro Marcel

; Moreira, Eliane Furtado

; Marques, Divina Seila de Oliveira

; Silva, Eliane Lages

; Marin-Neto, José Antonio

; Galvão, Lúcia Maria da Cunha

; Xavier, Sergio Salles

; Valente, Sebastião Aldo da Silva

; Carvalho, Noêmia Barbosa

; Cardoso, Alessandra Viana

; Silva, Rafaella Albuquerque e

; Costa, Veruska Maia da

; Vivaldini, Simone Monzani

; Oliveira, Suelene Mamede

; Valente, Vera da Costa

; Lima, Mayara Maia

; Alves, Renato Vieira

Revista da Sociedade Brasileira de Medicina Tropical

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Dez 2016, Volume 49 Supl. 1 Páginas 3 - 60

Resumo: En | Texto: En | PDF: En

Abstract Chagas disease is a neglected chronic condition with a high burden of morbidity and mortality. It has considerable psychological, social, and economic impacts. The disease represents a significant public health issue in Brazil, with different regional patterns. This document presents the evidence that resulted in the Brazilian Consensus on Chagas Disease. The objective was to review and standardize strategies for diagnosis, treatment, prevention, and control of Chagas disease in the country, based on the available scientific evidence. The consensus is based on the articulation and strategic contribution of renowned Brazilian experts with knowledge and experience on various aspects of the disease. It is the result of a close collaboration between the Brazilian Society of Tropical Medicine and the Ministry of Health. It is hoped that this document will strengthen the development of integrated actions against Chagas disease in the country, focusing on epidemiology, management, comprehensive care (including families and communities), communication, information, education, and research .

https://doi.org/10.1590/0037-8682-0505-2016 9267 downloads

13.

II Consenso Brasileiro em Doença de Chagas, 2015
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Dias, João Carlos Pinto

; Ramos Jr., Alberto Novaes

; Gontijo, Eliane Dias

; Luquetti, Alejandro

; Shikanai-Yasuda, Maria Aparecida

; Coura, José Rodrigues

; Torres, Rosália Morais

; Melo, José Renan da Cunha

; Almeida, Eros Antonio de

; Oliveira Jr., Wilson de

; Silveira, Antônio Carlos

; Rezende, Joffre Marcondes de

; Pinto, Fabiane Scalabrini

; Ferreira, Antonio Walter

; Rassi, Anis

; Fragata Filho, Abílio Augusto

; Sousa, Andréa Silvestre de

; Correia Filho, Dalmo

; Jansen, Ana Maria

; Andrade, Glaucia Manzan Queiroz

; Britto, Constança Felícia De Paoli de Carvalho

; Pinto, Ana Yecê das Neves

; Rassi Jr., Anis

; Campos, Dayse Elisabeth

; Abad-Franch, Fernando

; Santos, Silvana Eloi

; Chiari, Egler

; Hasslocher-Moreno, Alejandro Marcel

; Moreira, Eliane Furtado

; Marques, Divina Seila de Oliveira

; Silva, Eliane Lages

; Marin-Neto, José Antonio

; Galvão, Lúcia Maria da Cunha

; Xavier, Sergio Salles

; Valente, Sebastião Aldo da Silva

; Carvalho, Noêmia Barbosa

; Cardoso, Alessandra Viana

; Silva, Rafaella Albuquerque e

; Costa, Veruska Maia da

; Vivaldini, Simone Monzani

; Oliveira, Suelene Mamede

; Valente, Vera da Costa

; Lima, Mayara Maia

; Alves, Renato Vieira

Epidemiologia e Serviços de Saúde

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Jun 2016, Volume 25 Nº spe Páginas 7 - 86

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

RESUMO A doença de Chagas é uma condição crônica negligenciada com elevada carga de morbimortalidade e impacto dos pontos de vista psicológico, social e econômico. Representa um importante problema de saúde pública no Brasil, com diferentes cenários regionais. Este documento traduz a sistematização das evidências que compõe o Consenso Brasileiro de Doença de Chagas. O objetivo foi sistematizar estratégias de diagnóstico, tratamento, prevenção e controle da doença de Chagas no país, de modo a refletir as evidências científicas disponíveis. Sua construção fundamentou-se na articulação e contribuição estratégica de especialistas brasileiros com conhecimento, experiência e atualização sobre diferentes aspectos da doença. Representa o resultado da estreita colaboração entre a Sociedade Brasileira de Medicina Tropical e o Ministério da Saúde. Espera-se com este documento fortalecer o desenvolvimento de ações integradas para enfrentamento da doença no país com foco em epidemiologia, gestão, atenção integral (incluindo famílias e comunidades), comunicação, informação, educação e pesquisas.

ABSTRACT Chagas disease is a neglected chronic condition that presents high morbidity and mortality burden, with considerable psychological, social, and economic impact. The disease represents a significant public health issue in Brazil, with different regional patterns. This document presents the evidence that resulted in the Brazilian Consensus on Chagas Disease. The objective was to review and standardize strategies for diagnosis, treatment, prevention, and control of Chagas disease in the country, based on the available scientific evidence. The consensus is based on collaboration and contribution of renowned Brazilian experts with vast knowledge and experience on various aspects of the disease. It is the result of close collaboration between the Brazilian Society of Tropical Medicine and the Ministry of Health. This document shall strengthen the development of integrated control measures against Chagas disease in the country, focusing on epidemiology, management, comprehensive care (including families and communities), communication, information, education, and research.

https://doi.org/10.5123/s1679-49742016000500002 63592 downloads

14.

II Consenso Brasileiro em Doença de Chagas, 2015
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Dias, João Carlos Pinto

; Ramos Jr., Alberto Novaes

; Gontijo, Eliane Dias

; Luquetti, Alejandro

; Shikanai-Yasuda, Maria Aparecida

; Coura, José Rodrigues

; Torres, Rosália Morais

; Melo, José Renan da Cunha

; Almeida, Eros Antonio de

; Oliveira Jr., Wilson de

; Silveira, Antônio Carlos

; Rezende, Joffre Marcondes de

; Pinto, Fabiane Scalabrini

; Ferreira, Antonio Walter

; Rassi, Anis

; Fragata Filho, Abílio Augusto

; Sousa, Andréa Silvestre de

; Correia Filho, Dalmo

; Jansen, Ana Maria

; Andrade, Glaucia Manzan Queiroz

; Britto, Constança Felícia De Paoli de Carvalho

; Pinto, Ana Yecê das Neves

; Rassi Jr., Anis

; Campos, Dayse Elisabeth

; Abad-Franch, Fernando

; Santos, Silvana Eloi

; Chiari, Egler

; Hasslocher-Moreno, Alejandro Marcel

; Moreira, Eliane Furtado

; Marques, Divina Seila de Oliveira

; Silva, Eliane Lages

; Marin-Neto, José Antonio

; Galvão, Lúcia Maria da Cunha

; Xavier, Sergio Salles

; Valente, Sebastião Aldo da Silva

; Carvalho, Noêmia Barbosa

; Cardoso, Alessandra Viana

; Silva, Rafaella Albuquerque e

; Costa, Veruska Maia da

; Vivaldini, Simone Monzani

; Oliveira, Suelene Mamede

; Valente, Vera da Costa

; Lima, Mayara Maia

; Alves, Renato Vieira

Epidemiologia e Serviços de Saúde

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Jun 2016, Volume 25 Nº spe. Páginas 7 - 86

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

https://doi.org/10.5123/S1679-49742016000500002 3725 downloads

15.

Cardiac rehabilitation program in patients with Chagas heart failure: a single-arm pilot study
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Mediano, Mauro Felippe Felix

; Mendes, Fernanda de Souza Nogueira Sardinha

; Pinto, Vivian Liane Mattos

; Silva, Gilberto Marcelo Sperandio da

; Silva, Paula Simplício da

; Carneiro, Fernanda Martins

; Sangenis, Luiz Henrique Conde

; Saraiva, Roberto Magalhães

; Xavier, Sergio Salles

; Brasil, Pedro Emmanuel Alvarenga Americano do

; Hasslocher-Moreno, Alejandro Marcel

; Sousa, Andrea Silvestre de

Revista da Sociedade Brasileira de Medicina Tropical

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Jun 2016, Volume 49 Nº 3 Páginas 319 - 328

Resumo: En | Texto: En | PDF: En

Abstract: INTRODUCTION: The benefit of a cardiac rehabilitation (CR) program for patients with Chagas heart failure (CHF) remains unclear. Therefore, we aimed to investigate the effects of CR for CHF patients. METHODS: A single-arm pilot study, including 12 patients with CHF, was performed. Patients participated in an 8-month physical exercise intervention, comprising aerobic, strength, and stretching exercises (3 times per week, 60 minutes per session). Nutritional and pharmaceutical counseling were also performed. Functional capacity (cardiopulmonary exercise test), muscle respiratory strength (manovacuometry), and body composition (anthropometry and skinfolds) were evaluated at baseline, and after 4 and 8 months of intervention. Cardiac function (echocardiography), biomarkers (lipid profile, glucose, and glycated hemoglobin) and quality of life (Minnesota Living with Heart Failure Questionnaire) were assessed at baseline and at the end of the intervention. RESULTS: Seven of 12 patients included in the study completed the 8-month follow-up period. Only 2 moderate adverse events occurred during the exercise training. Functional capacity improved after 4 months of CR, while left ventricular ejection fraction (LVEF) and respiratory strength improved after 8 months. Patients with right ventricular (RV) dysfunction at baseline exhibited an improvement in functional capacity after 4 months, and improvements in left ventricular (LV) diastolic pressure, respiratory strength, and quality of life at the end of follow-up. Conversely, those with normal baseline RV function demonstrated LVEF increases that were not observed in patients with RV dysfunction. CONCLUSIONS: CR was feasible, safe, and has important clinical benefits for patients with CHF, specifically for cardiac function and muscle respiratory strength.

https://doi.org/10.1590/0037-8682-0083-2016 3075 downloads

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