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Resumo A doença valvar cardíaca é um problema de saúde crescente no mundo. Os pacientes com valvopatia podem apresentar diversas emergências cardiovasculares. O manejo desses pacientes é um desafio no departamento de emergência, principalmente quando a condição cardíaca prévia é desconhecida. Atualmente, recomendações específicas para o manejo inicial são limitadas. A presente revisão integrativa propõe uma abordagem baseada em evidência, de três etapas, desde a suspeita de valvopatia à beira do leito até o tratamento inicial das emergências. A primeira etapa é a suspeita de uma condição valvar subjacente com base nos sinais e sintomas. A segunda etapa consiste na tentativa de confirmação diagnóstica e avaliação da gravidade da valvopatia com exames complementares. Finalmente, a terceira etapa aborda as opções diagnósticas e terapêuticas para insuficiência cardíaca, fibrilação atrial, trombose valvar, febre reumática aguda, e endocardite infecciosa. Além disso, apresentamos imagens de exames complementares e tabelas para apoio aos médicos. mundo cardiovasculares emergência desconhecida Atualmente limitadas evidência etapas sintomas Finalmente atrial aguda infecciosa disso médicos

Abstract Valvular heart disease (VHD) is an increasing health problem worldwide. Patients with VHD may experience several cardiovascular-related emergencies. The management of these patients is a challenge in the emergency department, especially when the previous heart condition is unknown. Specific recommendations for the initial management are currently poor. This integrative review proposes an evidence-based three-step approach from bedside VHD suspicion to the initial treatment of the emergencies. The first step is the suspicion of underlying valvular condition based on signs and symptoms. The second step comprises the attempt to confirm the diagnosis and assessment of VHD severity with complementary tests. Finally, the third step addresses the diagnosis and treatment options for heart failure, atrial fibrillation, valvular thrombosis, acute rheumatic fever, and infective endocarditis. In addition, several images of complementary tests and summary tables are provided for physician support. (VHD worldwide cardiovascularrelated cardiovascular related emergencies department unknown poor evidencebased evidence threestep three symptoms Finally failure fibrillation thrombosis fever endocarditis addition support

https://doi.org/10.36660/abc.20220707

Frailty in Patients With Valve Disease: How to Assess? Disease Assess
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Titinger, David Provenzale

; Rosa, Vitor Emer Egypto

; Ochiai, Marcelo Eidi

; Accorsi, Tarso Augusto

; Fernandes, João Ricardo Cordeiro

; Sampaio, Roney Orismar

; Tarasoutchi, Flávio

International Journal of Cardiovascular Sciences

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2023, Volume 36 elocation e20210277

Abstract: En | Text: En | PDF: En

https://doi.org/10.36660/ijcs.20210277

Cardiac Magnetic Resonance and Positron Emission Tomography in the Diagnosis and Follow-Up of Acute Rheumatic Fever - Case Report FollowUp Follow Up
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Salazar, David

; Romero, Cristhian Espinoza

; Lopes, Mariana Pezzute

; Branco, Carlos Eduardo de Barros

; Soares Junior, José

; Santis, Antonio de

; Sampaio, Roney Orismar

; Tarasoutchi, Flávio

International Journal of Cardiovascular Sciences

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2023, Volume 36 elocation e20210093

Abstract: En | Text: En | PDF: En

https://doi.org/10.36660/ijcs.20210093

Perfil Clínico e Desfechos em 30 Dias de Pacientes Portadores de Valva Aórtica Bicúspide Submetidos à Cirurgia em Valva Aórtica e/ou Aorta
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Kirschbaum, Marcelo

; Rosa, Vitor Emer Egypto

; Sampaio, Brunna Pileggi Azevedo

; Thevenard, Gabriela

; Quintanilha, Nádia Romanelli

; Fernandes, João Ricardo Cordeiro

; Santis, Antonio de

; Accorsi, Tarso Duenhas

; Sampaio, Roney Orismar

; Tarasoutchi, Flavio

Arquivos Brasileiros de Cardiologia

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mar 2022, Volume 118 N. 3 Pages 588 - 596

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

Resumo Fundamento A válvula aórtica bicúspide (VAB) atinge de 0,5 a 2% da população e está associada a alterações valvares e de aorta. Há carência de estudos sobre o perfil desses pacientes na população brasileira. Objetivo Descrever o perfil de pacientes com VAB submetidos à cirurgia valvar e/ou de aorta em um centro cardiológico terciário, assim como os desfechos relacionados à intervenção. Métodos Coorte retrospectiva incluindo 195 pacientes (idade média 54±14 anos, 73,8% do sexo masculino) com diagnóstico de VAB submetidos à abordagem cirúrgica (valvar e/ou de aorta) no período de 2014 a 2019. Foram avaliados dados clínicos, ecocardiográficos e tomográficos, além das características da intervenção e eventos em 30 dias. O valor de p<0,05 foi considerado estatisticamente significante. Resultados Encontramos alta prevalência de aneurisma de aorta (56,5%), com diâmetro médio de 46,9±10,2 mm. Insuficiência aórtica importante foi encontrada em 25,1% e estenose aórtica importante em 54,9%. Cirurgia isolada em valva aórtica foi realizada em 48,2%, cirurgia isolada de aorta em 6,7% e cirurgia combinada em 45,1%. A mortalidade em 30 dias foi de 8,2%. Na análise multivariada, os fatores preditores de desfecho combinado em 30 dias (morte, fibrilação atrial e reoperação) foram idade (OR 1,044, IC 95% 1,009-1,081, p=0,014) e o índice de massa do ventrículo esquerdo (OR 1,009, IC 95% 1,000-1,018, p=0,044). Conclusão Pacientes com VAB abordados no nosso serviço apresentam uma maior incidência de aortopatia, com a necessidade adicional de avaliação da aorta com tomografia computadorizada ou ressonância magnética.

Abstract Background The bicuspid aortic valve (BAV) affects 0.5 to 2% of the population and is associated with valve and aortic alterations. There is a lack of studies on the profile of these patients in the Brazilian population. Objective To describe the profile of patients with BAV undergoing valve and/or aortic surgery in a tertiary cardiology center, in addition to the outcomes related to the intervention. Methods Retrospective cohort including 195 patients (mean age 54±14 years, 73.8% male) diagnosed with BAV who underwent surgical approach (valvular and/or aorta) from 2014 to 2019. Clinical data, echocardiographic and tomographic studies were evaluated, as well as characteristics of the intervention and events in 30 days. A value of p<0.05 was considered statistically significant. Results We found a high prevalence of aortic aneurysm (56.5%), with a mean diameter of 46.9±10.2 mm. Major aortic regurgitation was found in 25.1% and major aortic stenosis in 54.9%. Isolated aortic valve surgery was performed in 48.2%, isolated aortic surgery in 6.7% and combined surgery in 45.1%. The 30-day mortality was 8.2%. In the multivariate analysis, the predictors of the combined outcome at 30 days (death, atrial fibrillation and reoperation) were age (OR 1.044, 95% CI 1.009-1.081, p=0.014) and left ventricular mass index (OR 1.009, 95% CI 1.000-1.018, p=0.044). Conclusion Patients with BAV approached in our service have a higher incidence of aortopathy, with the additional need to evaluate the aorta with computed tomography or magnetic resonance imaging.

https://doi.org/10.36660/abc.20201027

Cardiac Magnetic Resonance and Positron Emission Tomography in the Diagnosis and Follow-Up of Acute Rheumatic Fever - Case Report
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Salazar, David

; Romero, Cristhian Espinoza

; Lopes, Mariana Pezzute

; Branco, Carlos Eduardo de Barros

; Soares Junior, José

; Santis, Antonio de

; Sampaio, Roney Orismar

; Tarasoutchi, Flávio

International Journal of Cardiovascular Sciences

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2022, N. ahead

Abstract: En | Text: En | PDF: En

https://doi.org/10.36660/ijcs.20210093

Prevalence of Frailty in Patients Undergoing Cardiac Valve Surgery: Comparison of Frailty Tools
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Harada, Gabriela

; Andrade, Monique Carvalho

; Brito, Julia Nobrega

; Tavares, Caio de Assis Moura

; Tarasoutchi, Flávio

; Pomerantzeff, Pablo Maria Alberto

; Bortolotto, Luiz

; Feltrim, Maria Ignez Zanetti

International Journal of Cardiovascular Sciences

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nov 2021, Volume 34 N. 5 Pages 78 - 86

Abstract: En | Text: En | PDF: En

Abstract Background There is no consensus among tools for assessing frailty. Objective To evaluate the prevalence of frailty according to different tools in patients referred for elective valve cardiac surgery. Methods This is a cross-sectional study. All patients were ≥ 18 years of age, clinically stable. The following patients were excluded: those unable to perform the tests because of physical, cognitive, or neurological limitations; those requiring non elective/emergency procedures or hemodynamic instability. During the preoperative cardiology visit, frailty was assessed by the Short Physical Performance Battery (SPPB), the Frailty Deficit Index (FDI), handgrip strength, and gait speed 3m. For the entire analysis, the statistical significance was set at 5%. Results Our cohort consisted of 258 subjects. From the total cohort, 201 were ≤ 70 years of age (77.9%), the predominant etiology according to rheumatic disease (50.7% vs 8.8%; p=0.000) with double mitral lesion (24.9% vs 0%; p=0.000). Frailty was present in 32.9% according SPPB, 29.1% with reduced muscular strength. and 8.9% with FDI. Handgrip strength was weaker in elderly patients (26.7 vs 23.6; p=0.051) and gait speed was lower in the younger group, in which 36% were considered frail (36% vs 14%; p=0.002). Variables associated with frailty were age ≥ 70 years, female gender, aortic stenosis, and regurgitation. Conclusion Frailty in adult patients who will have elective heart valve surgery is present even in the younger groups, although the older group with comorbidities are more frail. Frailty was more clearly shown by the SPPB than by the FDI and handgrip tests.

https://doi.org/10.36660/ijcs.20200098 48 downloads

10.

Tratamento Percutâneo da Insuficiência Mitral Secundária por MitraClip: Mitra-FR versus COAPT
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Barros-Gomes, Sergio

; Tarasoutchi, Flávio

; Rodrigues, Ana Clara Tude

; Nhola, Lara Ferreira

; Lemos, Pedro Alves

; Morhy, Samira Saady

; Fischer, Claudio Henrique

; Vieira, Marcelo Luiz Campos

Arquivos Brasileiros de Cardiologia

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nov 2021, Volume 116 N. 5 Pages 1011 - 1018

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

https://doi.org/10.36660/abc.20200063 362 downloads

11.

Síndrome de Heyde: Estratégias Terapêuticas e Seguimento de Longo Prazo
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Rosa, Vitor Emer Egypto

; Ribeiro, Henrique Barbosa

; Fernandes, João Ricardo Cordeiro

; Santis, Antonio de

; Spina, Guilherme Sobreira

; Paixão, Milena Ribeiro

; Pires, Lucas José Tachotti

; Bettega, Marcelo

; Accorsi, Tarso Augusto Duenhas

; Sampaio, Roney Orismar

; Tarasoutchi, Flávio

Arquivos Brasileiros de Cardiologia

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sep 2021, Volume 117 N. 3 Pages 512 - 517

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

Resumo Fundamentos A síndrome de Heyde é a associação de estenose aórtica importante com episódio de sangramento gastrointestinal por lesões angiodisplásicas. Pouco é conhecido sobre os fatores associados a novos sangramentos e desfechos em longo prazo. Além disso, a maioria dos dados é restrita a relatos de casos e pequenas séries. Objetivo Avaliar o perfil clínico, laboratorial e ecocardiográfico de pacientes com síndrome de Heyde submetidos a intervenção valvar ou tratamento medicamentoso. Métodos Coorte prospectiva de 24 pacientes consecutivos entre 2005 e 2018. Foram avaliados dados clínicos, laboratoriais, ecocardiográficos e relacionados à intervenção valvar e a desfechos após o diagnóstico. Valor de p<0,05 foi considerado estatisticamente significante. Resultados Metade dos 24 pacientes apresentou sangramento com necessidade de transfusão sanguínea na admissão. Angiodisplasias foram encontradas mais frequentemente no cólon ascendente (62%). Intervenção valvar (cirúrgica ou transcateter) foi realizada em 70,8% dos pacientes, e 29,2% foram mantidos em tratamento clínico. Novos episódios de sangramento ocorreram em 25% dos casos, e não houve diferença entre os grupos clínico e intervenção (28,6 vs. 23,5%, p=1,00; respectivamente). A mortalidade no seguimento de 2 e 5 anos foi de 16% e 25%, sem diferença entre os grupos (log-rank p = 0,185 e 0,737, respectivamente). Conclusões Pacientes com síndrome de Heyde tiveram alta taxa de sangramento com necessidade de transfusão sanguínea na admissão, sugerindo ser uma doença grave e com risco elevado de mortalidade. Não encontramos diferenças entre os grupos submetidos ao tratamento clínico e à intervenção valvar em relação a taxas de ressangramento e mortalidade tardia.

Abstract Background Heyde’s syndrome is the association of severe aortic stenosis with episodes of gastrointestinal bleeding due to angiodysplastic lesion. Little is known about the factors associated with new episodes of bleeding and long-term outcomes. Furthermore, most data are restricted to case reports and small case series. Objective To assess the clinical, laboratory and echocardiography profile of patients with Heyde’s syndrome who underwent valve intervention or drug therapy. Methods Prospective cohort of 24 consecutive patients from 2005 to 2018. Clinical, laboratory and echocardiography data were assessed, as well as those related to valve intervention and outcomes after diagnosis. A P <0.05 was used to indicate statistical significance. Results Half of the 24 patients presented with bleeding requiring blood transfusion on admission. Angiodysplasias were more frequently found in the ascending colon (62%). Valve intervention (surgical or transcatheter) was performed in 70.8% of the patients, and 29.2% remained on drug therapy. News episodes of bleeding occurred in 25% of the cases, and there was no difference between clinical and intervention groups (28.6 vs 23.5%, p = 1.00; respectively). Mortality at 2-year and 5-year was 16% and 25%, with no difference between the groups (log-rank p = 0.185 and 0.737, respectively). Conclusions Patients with Heyde’s syndrome had a high rate of bleeding requiring blood transfusion on admission, suggesting that it is a severe disease with high mortality risk. No difference was found between clinical and intervention group regarding the rate of rebleeding and late mortality.

https://doi.org/10.36660/abc.20200371 169 downloads

12.

Atualização das Diretrizes Brasileiras de Valvopatias – 2020
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Tarasoutchi, Flavio

; Montera, Marcelo Westerlund

; Ramos, Auristela Isabel de Oliveira

; Sampaio, Roney Orismar

; Rosa, Vitor Emer Egypto

; Accorsi, Tarso Augusto Duenhas

; Santis, Antonio de

; Fernandes, João Ricardo Cordeiro

; Pires, Lucas José Tachotti

; Spina, Guilherme S.

; Vieira, Marcelo Luiz Campos

; Lavitola, Paulo de Lara

; Ávila, Walkiria Samuel

; Paixão, Milena Ribeiro

; Bignoto, Tiago

; Togna, Dorival Júlio Della

; Mesquita, Evandro Tinoco

; Esteves, William Antônio de Magalhães

; Atik, Fernando

; Colafranceschi, Alexandre Siciliano

; Moises, Valdir Ambrósio

; Kiyose, Alberto Takeshi

; Pomerantzeff, Pablo M. A.

; Lemos, Pedro A.

; Brito Junior, Fabio Sandoli de

; Weksler, Clara

; Brandão, Carlos Manuel de Almeida

; Poffo, Robinson

; Simões, Ricardo

; Rassi, Salvador

; Leães, Paulo Ernesto

; Mourilhe-Rocha, Ricardo

; Pena, José Luiz Barros

; Jatene, Fabio Biscegli

; Barbosa, Márcia de Melo

; Abizaid, Alexandre

; Ribeiro, Henrique Barbosa

; Bacal, Fernando

; Rochitte, Carlos Eduardo

; Fonseca, José Honório de Almeida Palma da

; Ghorayeb, Samira Kaissar Nasr

; Lopes, Marcelo Antonio Cartaxo Queiroga

; Spina, Salvador Vicente

; Pignatelli, Ricardo H.

; Saraiva, José Francisco Kerr

Arquivos Brasileiros de Cardiologia

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oct 2020, Volume 115 N. 4 Pages 720 - 775

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

https://doi.org/10.36660/abc.20201047 17824 downloads

13.

Implante Percutâneo Transeptal de Bioprótese em Disfunção de Prótese Valvar Cirúrgica Mitral – Experiência Multicêntrica Brasileira
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Nicz, Pedro Felipe Gomes

; Melo, Pedro Henrique M. Craveiro de

; Brito, Pedro Henrique Ferro de

; Lima, Eliane Nogueira

; Silva, Ricardo Cavalcante e

; Prudente, Maurício Lopes

; Fernandes, Fernando Henrique

; Deininger, Maurilio Onofre

; Lopes, Marcelo Antônio Cartaxo Queiroga

; Petrucci, Fúlvio Soares

; Reis Filho, Fernando Roquette

; Marino, Marcos Antonio

; Bernardes, Rodrigo de Castro

; Melo, Eduardo Pessoa de

; Oliveira, Marco Antonio Praça

; Mangione, José Armando

; Mangione, Fernanda Marinho

; Falcão, Carlos Henrique Eiras

; Martins, Estêvão Carvalho de Campos

; Lunardi, Walter

; Bacal, Fernando

; Tarasoutchi, Flávio

; Brito Jr, Fábio Sândoli de

Arquivos Brasileiros de Cardiologia

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sep 2020, Volume 115 N. 3 Pages 515 - 524

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

Resumo Fundamento A intervenção percutânea em pacientes com disfunção de prótese biológica mitral apresenta-se como uma alternativa ao tratamento cirúrgico convencional. Objetivo Relatar a primeira experiência brasileira de implante transcateter de bioprótese valve-in-valve mitral via transeptal (TMVIV-via transeptal). Métodos Foram incluídos pacientes portadores de disfunção de bioprótese cirúrgica submetidos ao TMVIV-transeptal em 12 hospitais brasileiros. Foram considerados estatisticamente significativos valores de p<0,05. Resultados Entre junho/2016 e fevereiro/2019, 17 pacientes foram submetidos ao TMVIV-via transeptal. A mediana de idade foi 77 anos (IIQ,70-82), a mediana do escore STS-PROM foi 8,7% (IIQ,7,2-17,8). Todos os pacientes tinham sintomas limitantes de insuficiência cardíaca (CF≥III), tendo 5 (29,4%) sido submetidos a mais de uma toracotomia prévia. Obteve-se sucesso do TMVIV-via transeptal em todos os pacientes. A avaliação ecocardiográfica demonstrou redução significativa do gradiente médio (pré-intervenção, 12±3,8 mmHg; pós-intervenção, 5,3±2,6 mmHg; p<0,001), assim como aumento da área valvar mitral (pré-intervenção, 1,06±0,59 cm2; pós-intervenção, 2,18±0,36 cm2; p<0,001) sustentados em 30 dias. Houve redução significativa e imediata da pressão sistólica de artéria pulmonar, com redução adicional em 30 dias (pré-intervenção, 68,9±16,4 mmHg; pós-intervenção, 57,7±16,5 mmHg; 30 dias, 50,9±18,7 mmHg; p<0,001). Durante o seguimento, com mediana de 162 dias (IIQ, 102-411), observou-se marcada melhora clínica (CF≤II) em 87,5%. Um paciente (5,9%) apresentou obstrução de via de saída de ventrículo esquerdo (VSVE), evoluindo para óbito logo após o procedimento, e outro morreu aos 161 dias de seguimento.Conclusão: A primeira experiência brasileira de TMVIV-transeptal demonstra a segurança e a efetividade dessa nova técnica. A obstrução da VSVE é uma complicação potencialmente fatal, reforçando a importância da seleção dos pacientes e do planejamento do procedimento. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0)

Abstract Background Percutaneous intervention in patients with bioprosthetic mitral valve dysfunction is an alternative to conventional surgical treatment. Objectives To report the first Brazilian experience with transseptal transcatheter bioprosthetic mitral valve-in-valve implantation (transseptal-TMVIV). Methods Patients with surgical bioprosthetic dysfunction submitted to transseptal-TMVIV in 12 Brazilian hospitals were included. The significance level adopted was p<0.05. Results From June/2016 to February/2019, 17 patients underwent transseptal-TMVIV. Their median age was 77 years (IQR,70-82) and median Society of Thoracic Surgeons predicted risk of mortality (STS-PROM) score was 8.7% (IQR,7.2-17.8). All patients had limiting symptoms of heart failure (FC≥III) and 5 (29.4%) had undergone more than one previous thoracotomy. Transseptal-TMVIV was successful in all patients. Echocardiographic assessment showed a significant reduction in mean mitral valve gradient (pre-intervention, 12±3.8 mmHg; post-intervention, 5.3±2.6 mmHg; p<0.001), in addition to an increase in mitral valve area (pre-intervention, 1.06±0.59 cm2; post-intervention, 2.18±0.36 cm2; p<0.001) sustained for 30 days. There was a significant and immediate reduction in the pulmonary artery systolic pressure, with an additional reduction in 30 days (pre-intervention, 68.9±16.4 mmHg; post-intervention, 57.7±16.5 mmHg; 30 days, 50.9±18.7 mmHg; p<0.001). During follow-up (median, 162 days; IQR, 102-411), significant clinical improvement (FC≤II) was observed in 87.5% of the patients. One patient (5.9%) had left ventricular outflow tract (LVOT) obstruction and died right after the procedure, and another died at 161 days of follow-up. Conclusion The first Brazilian experience with transseptal-TMVIV shows the safety and effectivity of the new technique. The LVOT obstruction is a potentially fatal complication, reinforcing the importance of patients’ selection and of procedural planning. (Arq Bras Cardiol. 2020; [online].ahead print, PP.0-0)

https://doi.org/10.36660/abc.20190252 748 downloads

14.

Posicionamento da Sociedade Brasileira de Cardiologia para Gravidez e Planejamento Familiar na Mulher Portadora de Cardiopatia – 2020
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Avila, Walkiria Samuel

; Alexandre, Elizabeth Regina Giunco

; Castro, Marildes Luiza de

; Lucena, Alexandre Jorge Gomes de

; Marques-Santos, Celi

; Freire, Claudia Maria Vilas

; Rossi, Eduardo Giusti

; Campanharo, Felipe Favorette

; Rivera, Ivan Romero

; Costa, Maria Elizabeth Navegantes Caetano

; Rivera, Maria Alayde Mendonça

; Carvalho, Regina Coeli Marques de

; Abzaid, Alexandre

; Moron, Antonio Fernandes

; Ramos, Auristela Isabel de Oliveira

; Albuquerque, Carlos Japhet da Mata

; Feio, Claudine Maia Alves

; Born, Daniel

; Silva, Fábio Bruno da

; Nani, Fernando Souza

; Tarasoutchi, Flavio

; Costa Junior, José de Ribamar

; Melo Filho, José Xavier de

; Katz, Leila

; Almeida, Maria Cristina Costa

; Grinberg, Max

; Amorim, Melania Maria Ramos de

; Melo, Nilson Roberto de

; Medeiros, Orlando Otávio de

; Pomerantzeff, Pablo Maria Alberto

; Braga, Sérgio Luiz Navarro

; Cristino, Sonia Conde

; Martinez, Tania Leme da Rocha

; Leal, Tatiana de Carvalho Andreuci Torres

Arquivos Brasileiros de Cardiologia

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may 2020, Volume 114 N. 5 Pages 849 - 942

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

https://doi.org/10.36660/abc.20200406 10784 downloads

15.

Longitudinal Shortening of the Left Ventricle by Cine-CMR for Assessment of Diastolic Function in Patients with Aortic Valve Disease
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Ribeiro, Sergio Marrone

; Azevedo Filho, Clerio Francisco de

; Sampaio, Roney

; Tarasoutchi, Flávio

; Grinberg, Max

; Kalil-Filho, Roberto

; Rochitte, Carlos Eduardo

Arquivos Brasileiros de Cardiologia

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feb 2020, Volume 114 N. 2 Pages 284 - 292

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

Resumo Fundamentos: A disfunção diastólica, comumente avaliada por ecocardiografia, é um importante achado precoce na maioria das cardiomiopatias. A ressonância magnética cardíaca (RMC) frequentemente requer sequências específicas que prolongam o tempo de exame. Recentemente, métodos de imagens com monitoramento de dados (feature-tracking) foram desenvolvidos, mas ainda requerem softwares caros e carecem de validação clínica. Objetivos: Avaliar a função diastólica em pacientes com doença valvar aórtica (DVA) e compará-la a controles normais pela medida do deslocamento longitudinal do ventrículo esquerdo (VE) por RMC. Métodos: Nós comparamos 26 pacientes com DVA com 19 controles normais. A função diastólica foi avaliada como uma medida do deslocamento longitudinal do VE nas imagens de cine-RMC no plano quatro câmaras usando a sequência steady state free precession (SSFP) durante todo o ciclo cardíaco com resolução temporal < 50 ms. O gráfico resultante da posição da junção atrioventricular versus tempo gerou variáveis de movimento da junção atrioventricular. Utilizamos nível de significância de p < 0,005. Resultados: Deslocamento longitudinal máximo (0,12 vs. 0,17 cm), velocidade máxima em início de diástole (0,6 vs. 1,4s-1), velocidade máxima na diástase (0,22 vs. 0,03s-1) e a razão entre a velocidade máxima na diástase e a velocidade máxima em diástole inicial (0,35 vs. 0,02) foram significativamente menores nos pacientes com DVA em comparação aos controles normais, respectivamente. Pacientes com insuficiência aórtica apresentaram medidas de encurtamento longitudinal do VE significativamente piores em comparação aqueles com estenose aórtica. O aumento da massa ventricular esquerda indicou pior disfunção diastólica. Conclusões: Esta simples medida linear detectou diferenças significativas na função diastólica do VE entre pacientes com DVA e controles normais. A massa ventricular esquerda foi o único preditor independente de disfunção diastólica nesses pacientes. Este método pode auxiliar na avaliação da disfunção diastólica, melhorando a detecção de cardiomiopatias por RMC sem prolongar o tempo de exame ou depender de caros softwares.

Abstract Background: Diastolic dysfunction, commonly evaluated by echocardiography, is an important early finding in many cardiomyopathies. Cardiac magnetic resonance (CMR) often requires specialized sequences that extends the test time. Recently, feature-tracking imaging has been made available, but still requires expensive software and lacks clinical validation. Objective: To assess diastolic function in patients with aortic valve disease (AVD) and compare it with normal controls by evaluating left ventricular (LV) longitudinal displacement by CMR. Methods: We compared 26 AVD patients with 19 normal controls. Diastolic function was evaluated as LV longitudinal displacement in 4-chamber view cine-CMR images using steady state free precession (SSFP) sequence during the entire cardiac cycle with temporal resolution < 50 ms. The resulting plot of atrioventricular junction (AVJ) position versus time generated variables of AVJ motion. Significance level of p < 0.05 was used. Results: Maximum longitudinal displacement (0.12 vs. 0.17 cm), maximum velocity during early diastole (MVED, 0.6 vs. 1.4s-1), slope of the best-fit line of displacement in diastasis (VDS, 0.22 vs. 0.03s-1), and VDS/MVED ratio (0.35 vs. 0.02) were significantly reduced in AVD patients compared with controls, respectively. Aortic regurgitation showed significantly worse longitudinal LV shortening compared with aortic stenosis. Higher LV mass indicated worse diastolic dysfunction. Conclusions: A simple linear measurement detected significant differences on LV diastolic function between AVD patients and controls. LV mass was the only independent predictor of diastolic dysfunction in these patients. This method can help in the evaluation of diastolic dysfunction, improving cardiomyopathy detection by CMR, without prolonging exam time or depending on expensive software.

https://doi.org/10.5935/abc.20190193 807 downloads

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