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Resumo Fundamento: O desafio atual da cirurgia cardiovascular (CCV) é melhorar resultados em pacientes cada vez mais graves. Nesse sentido, Programas de Melhoria Contínua da Qualidade (PMCQ) tem impactado os resultados. Objetivo: Avaliar a evolução da incidência e mortalidade das CCV, assim como os resultados atuais do Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo (InCor). Métodos: Análise dos resultados das CCV realizadas no InCor entre jan-1984 e jun-2019. Foram observadas as tendências dos volumes cirúrgicos e da mortalidade em 5 períodos 1º (1984-1989), 2º (1990-1999), 3º (2000-2007), 4º (2008-2015) e 5º (2016-2019). O PMCQ foi estabelecido entre 2015-2016. A análise incluiu o total de cirurgias e a evolução dos procedimentos mais frequentes. Resultados: Foram realizadas 105.599 CCV, com uma média anual de 2.964 procedimentos e mortalidade de 5,63%. Comparando o 4º com o 5º período, o volume global médio de cirurgias foi de 2.943 para 3.139 (p = 0,368), cirurgias de revascularização miocárdica (CRM) de 638 para 597 (p = 0,214), valvas cardíacas de 372 para 465 (p = 0,201) e cardiopatias congênitas de 530 para 615 (p = 0,125). A mortalidade média global passou de 7,8% para 5% (p < 0,0001), nas cirurgias de revascularização miocárdica de 5,8% para 3,1% (p < 0,0001), nas cirurgias valvares de 14% para 7,5% (p < 0,0001) e nas cirurgias de cardiopatias congênitas de 12,1% para 9,6% (p < 0,0001). Conclusão: Embora haja uma tendência recente ao aumento dos volumes cirúrgicos, houve uma diminuição significativa da mortalidade cirúrgica nos grupos analisados. Após o estabelecimento do PMCQ, as taxas de mortalidade se aproximaram a dos padrões internacionais.

Abstract Background: The current challenge of cardiovascular surgery (CVS) is to improve the outcomes in increasingly severe patients. In this respect, continuous quality improvement (CQI) programs have had an impact on outcomes. Objective: To assess the evolution of the incidence and mortality due to CVS, as well as the current outcomes of the Hospital das Clínicas Heart Institute of the University of São Paulo Medical School (InCor-HCFMUSP). Methods: An outcome analysis of CVSs performed at the InCor, between January 1984 and June 2019. We observed the surgical volume and mortality rates in 5 time periods: 1st (1984-1989), 2nd (1990-1999), 3rd (2000-2007), 4th (2008-2015) and 5th (2016-2019). The CQI program was implemented between 2015 and 2016. The analysis included the total number of surgeries and the evolution of the most frequent procedures. Results: A total of 105,599 CCVs were performed, with an annual mean of 2,964 procedures and mortality of 5,63%. When comparing the 4th and the 5th periods, the average global volume of surgeries was increased from 2,943 to 3,139 (p = 0.368), bypass graft (CABG), from 638 to 597 (p = 0.214), heart valve surgery, from 372 to 465 (p = 0.201), and congenital heart disease surgery, from 530 to 615 (p = 0.125). The average global mortality went from 7.8% to 5% (p < 0.0001); in CABG surgery, from 5.8% to 3.1% (p < 0.0001); in heart valve surgery, from 14% to 7.5% (p < 0.0001) and in congenital heart disease surgery, from 12.1% to 9.6% (p < 0.0001). Conclusion: In spite of a recent trend towards increased surgical volume, there was a significant decrease in operative mortality in the groups studied. After the implementation of the CQI program, the mortality rates were closer to international standards.

https://doi.org/10.36660/abc.20190736 938 downloads

Quadricuspid Aortic Valve: Three Cases Report and Literature Review
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Veronese, Elinthon Tavares

; Brandão, Carlos Manuel de Almeida

; Steffen, Samuel Padovani

; Pomerantzeff, Pablo

; Jatene, Fabio B.

Brazilian Journal of Cardiovascular Surgery

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oct 2019, Volume 34 N. 5 Pages 637 - 639

Abstract: En | Text: En | PDF: En

Abstract Quadricuspid aortic valve (QAV) is a rare cardiac malformation. Many cases are incidentally diagnosed in aortic surgeries or autopsies and it usually appears as an isolated anomaly. The most widely classification used is the one by Hurwitz and Roberts[1], which divides 7 alphabetical subtypes based on the cusps size. The aim of this report is to describe three different anatomic presentations of this rare aortic valve anomaly.

https://doi.org/10.21470/1678-9741-2018-0125 257 downloads

Perioperative Management of the Diabetic Patient Referred to Cardiac Surgery
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Arthur, Camila Perez de Souza

; Mejía, Omar Asdrúbal Vilca

; Lapenna, Gisele Aparecida

; Brandão, Carlos Manuel de Almeida

; Lisboa, Luiz Augusto Ferreira

; Dias, Ricardo Ribeiro

; Dallan, Luís Alberto Oliveira

; Pomerantzeff, Pablo Maria Alberto

; Jatene, Fabio B.

Brazilian Journal of Cardiovascular Surgery

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dec 2018, Volume 33 N. 6 Pages 618 - 625

Abstract: En | Text: En | PDF: En

Abstract Currently there is a progressive increase in the prevalence of diabetes in a referred for cardiovascular surgery. Benefits of glycemic management (< 180 mg/dL) in diabetic patients compared to patients without diabetes in perioperative cardiac surgery. The purpose of this study is to present recommendations based on international evidence and adapted to our clinical practice for the perioperative management of hyperglycemia in adult patients with and without diabetes undergoing cardiovascular surgery. This update is based on the latest current literature derived from articles and guidelines regarding perioperative management of diabetic patients to cardiovascular surgery.

https://doi.org/10.21470/1678-9741-2018-0147 759 downloads

Pre-validation Study of the Brazilian Version of the Disruptions in Surgery Index (DiSI) as a Safety Tool in Cardiothoracic Surgery
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Nina, Vinicius José da Silva

; Jatene, Fabio B.

; Sevdalis, Nick

; Mejía, Omar Asdrúbal Vilca

; Brandão, Carlos Manuel de Almeida

; Monteiro, Rosangela

; Caneo, Luiz Fernando

; Scudeller, Paula Gobi

; Mendes, Augusto Dimitry

; Mendes, Vinícius Giuliano

; Romano, Bellkiss Wilma

Brazilian Journal of Cardiovascular Surgery

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dec 2017, Volume 32 N. 6 Pages 451 - 461

Abstract: En | Text: En | PDF: En

Abstract Introduction: Most risk stratification scores used in surgery do not include external and non-technical factors as predictors of morbidity and mortality. Objective: The present study aimed to translate and adapt transculturally the Brazilian version of the Disruptions in Surgery Index (DiSI) questionnaire, which was developed to capture the self-perception of each member of the surgical team regarding the disruptions that may contribute to error and obstruction of safe surgical flow. Methods: A universalist approach was adopted to evaluate the conceptual equivalence of items and semantics, which included the following stages: (1) translation of the questionnaire into Portuguese; (2) back translation into English; (3) panel of experts to draft the preliminary version; and (4) pre-test for evaluation of verbal comprehension by the target population of 43 professionals working in cardiothoracic surgery. Results: The questionnaire was translated into Portuguese and its final version with 29 items obtained 89.6% approval from the panel of experts. The target population evaluated all items as easy to understand. The mean overall clarity and verbal comprehension observed in the pre-test reached 4.48 ± 0.16 out of the maximum value of 5 on the psychometric Likert scale. Conclusion: Based on the methodology used, the experts' analysis and the results of the pre-test, it is concluded that the essential stages of translation and cross-cultural adaptation of DiSI to the Portuguese language were satisfactorily fulfilled in this study.

https://doi.org/10.21470/1678-9741-2017-0141 621 downloads

10.

Atualização das Diretrizes Brasileiras de Valvopatias: Abordagem das Lesões Anatomicamente Importantes
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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

; Lopes, Antonio Sergio de Santis Andrade

; Fernandes, João Ricardo Cordeiro

; Pires, Lucas José Tachotti

; Spina, Guilherme Sobreira

; Vieira, Marcelo Luiz Campos

; Lavitola, Paulo de Lara

; Bignoto, Tiago Costa

; Togna, Dorival Julio Della

; Mesquita, Evandro Tinoco

; Esteves, William Antonio de Magalhães

; Atik, Fernando Antibas

; Colafranceschi, Alexandre Siciliano

; Moisés, Valdir Ambrósio

; Kiyose, Alberto Takeshi

; Pomerantzeff, Pablo Maria Alberto

; Lemos Neto, Pedro Alves

; Brito Júnior, Fábio Sândoli de

; Weksler, Clara

; Brandão, Carlos Manuel de Almeida

; Poffo, Robinson

; Simões, Ricardo

; Rassi, Salvador

; Leães, Paulo Ernesto

; Rocha, Ricardo Mourilhe

; Pena, José Luiz Barros

; Jatene, Fabio Biscegli

; Barbosa, Márcia de Melo

; Souza Neto, João David de

; Saraiva, José Francisco Kerr

; Ghorayeb, Samira Kaissar Nasr

Arquivos Brasileiros de Cardiologia

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2017, Volume 109 N. 6 Pages 1 - 34

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.5935/abc.20180007 46086 downloads

11.

Mitral annulus morphologic and functional analysis using real time tridimensional echocardiography in patients submitted to unsupported mitral valve repair
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Guedes, Marco Antônio Vieira

; Pomerantzeff, Pablo Maria Alberto

; Brandão, Carlos Manuel de Almeida

; Vieira, Marcelo Luiz Campos

; Tarasoutchi, Flávio

; Spinola, Pablo da Cunha

; Jatene, Fábio Biscegli

Brazilian Journal of Cardiovascular Surgery

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sep 2015, Volume 30 N. 3 Pages 325 - 334

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

ResumoIntrodução:A plastia valvar mitral é o tratamento de escolha para a insuficiência mitral, porém, a literatura é escassa em relação ao comportamento do anel mitral após a plástica mitral sem utilização de anéis protéticos.Objetivo:Realizar a análise morfofuncional do anel mitral de indivíduos submetidos à plastia valvar mitral pela Técnica de Duplo Teflon, sem utilização de anel protético, por meio da ecocardiografia tridimensional em tempo real.Métodos:Foram incluídos 14 pacientes com insuficiência mitral mixomatosa submetidos à plástica mitral pela técnica de Duplo Teflon. Treze pacientes encontravam-se em classe III/IV. Os pacientes foram avaliados nos períodos pré-operatório, pós-operatório imediato, 6 meses e 1 ano. Foi utilizado teste de análise de variância de medidas repetidas para o estudo estatístico, sendo considerado estatisticamente significante P<0,05.Resultados:Não houve óbito, reoperação por disfunção valvar, tromboembolismo ou endocardite durante o estudo. A planimetria posterior do anel mitral demostrou uma redução significativa (P<0,001) no pós-operatório imediato, que se manteve estável durante o estudo, apresentando redução média de 25,8% com 1 ano em relação ao pré-operatório. Houve uma redução significativa dos diâmetros ântero-posterior e médio-lateral no pós-operatório imediato (P<0,001), porém, houve um aumento significativo no diâmetro médio-lateral entre pós-operatório imediato e 1 ano. Não houve diferença na variação da área interna mitral ao longo do estudo.Conclusão:A anuloplastia segmentar reduziu significativamente o componente posterior do anel mitral, permanecendo estável no período de um ano. A variação da área valvar durante o ciclo cardíaco permaneceu estável durante o estudo.

AbstractIntroduction:Mitral valve repair is the treatment of choice to correct mitral insufficiency, although the literature related to mitral valve annulus behavior after mitral repair without use of prosthetic rings is scarce.Objective:To analyze mitral annulus morphology and function using real time tridimensional echocardiography in individuals submitted to mitral valve repair with Double Teflon technique.Methods:Fourteen patients with mitral valve insufficiency secondary to mixomatous degeneration that were submitted to mitral valve repair with the Double Teflon technique were included. Thirteen patients were in FC III/IV. Patients were evaluated in preoperative period, immediate postoperative period, 6 months and 1 year after mitral repair. Statistical analysis was made by repeated measures ANOVA test and was considered statistically significant P<0.05.Results:There were no deaths, reoperation due to valve dysfunction, thromboembolism or endocarditis during the study. Posterior mitral annulus demonstrated a significant reduction in immediate postoperative period (P<0.001), remaining stable during the study, and presents a mean of reduction of 25.8% comparing with preoperative period. There was a significant reduction in anteroposterior and mediolateral diameters in the immediate postoperative period (P<0.001), although there was a significant increase in mediolateral diameter between immediate postoperative period and 1 year. There was no difference in mitral internal area variation over the cardiac cycle during the study.Conclusion:Segmentar annuloplasty reduced the posterior component of mitral annulus, which remained stable in a 1-year-period. The variation in mitral annulus area during cardiac cycle remained stable during the study.

https://doi.org/10.5935/1678-9741.20140082 1623 downloads

12.

Late outcome analysis of the Braile Biomédica® pericardial valve in the aortic position
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Azeredo, Lisandro Gonçalves

; Veronese, Elinthon Tavares

; Santiago, José Augusto Duncan

; Brandão, Carlos Manuel de Almeida

; Pomerantzeff, Pablo Maria Alberto

; Jatene, Fabio Biscegli

Brazilian Journal of Cardiovascular Surgery

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sep 2014, Volume 29 N. 3 Pages 316 - 321

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

Objetivo: A troca valvar aórtica por substitutos biológicos de pericárdio bovino Braile é realizada rotineiramente no Instituto do Coração da Faculdade de Medicina da USP desde 2006. O objetivo deste estudo é analisar os resultados da utilização da prótese aórtica Braile Biomédica® em pacientes com doença valvar aórtica. Métodos: Foram analisados, retrospectivamente, 196 pacientes portadores de valvopatia aórtica submetidos à troca valvar aórtica por prótese biológica de pericárdio bovino Braile Biomédica® entre 2006 e 2010. A idade média foi de 59,41±16,34 anos e 67,3% eram do sexo masculino. No pré-operatório, 73,4% dos pacientes estavam em classe funcional III ou IV. Resultados: A mortalidade hospitalar foi 8,16% (16 pacientes). As taxas linearizadas de óbito, endocardite, reoperação e disfunção estrutural foram de 1,065%, 0,91%, 0,68% e 0,075% pacientes/ano, respectivamente. A sobrevida actuarial foi de 90,59±2,56% em 88 meses. A curva livre de reoperação, endocardite e disfunção estrutural foi respectivamente de 91,38±2,79%, 89,84±2,92% e 98,57±0,72% em 88 meses. Conclusão: O implante da prótese aórtica de pericárdio bovino Braile Biomédica® demonstrou sobrevida e durabilidade compatível com a literatura, porém maior seguimento é necessário para avaliar a incidência de endocardite e disfunção estrutural no futuro.

Objective: Aortic valve replacement with Braile bovine pericardial prosthesis has been routinely done at the Heart Institute of the Universidade de São Paulo Medical School since 2006. The objective of this study is to analyze the results of Braile Biomédica® aortic bioprosthesis in patients with aortic valve disease. Methods: We retrospectively evaluated 196 patients with aortic valve disease submitted to aortic valve replacement with Braile Biomédica® bovine pericardial prosthesis, between 2006 and 2010. Mean age was 59.41±16.34 years and 67.3% were male. Before surgery, 73.4% of patients were in NYHA functional class III or IV. Results: Hospital mortality was 8.16% (16 patients). Linearized rates of mortality, endocarditis, reintervention, and structural dysfunction were 1.065%, 0.91%, 0.68% and 0.075% patients/year, respectively. Actuarial survival was 90.59±2.56% in 88 months. Freedom from reintervention, endocarditis and structural dysfunction was respectively 91.38±2.79%, 89.84±2.92% and 98.57±0.72% in 88 months. Conclusion: The Braile Biomédica® pericardial aortic valve prosthesis demonstrated actuarial survival and durability similar to that described in the literature, but further follow up is required to assess the incidence of prosthetic valve endocarditis and structural dysfunction in the future.

https://doi.org/10.5935/1678-9741.20140081 1605 downloads

13.

Experiência inicial com a técnica de Pomerantzeff para redução do tamanho do átrio esquerdo gigante
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Sousa, Jocerlano Santos de

; Pomerantzeff, Pablo Maria Alberto

; Brandão, Carlos Manuel de Almeida

; Gonçalves, Lisandro Azeredo

; Tiveron, Marcos Gradim

; Vieira, Marcelo Luiz Campos

; Tarasoutchi, Flavio

; Stolf, Noedir Antônio Groppo

Brazilian Journal of Cardiovascular Surgery

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jun 2012, Volume 27 N. 2 Pages 290 - 295

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

INTRODUÇÃO: A mais comum indicação de correção cirúrgica de átrio esquerdo gigante está associada à insuficiência da valva mitral, com ou sem fibrilação atrial. Diversas técnicas para este fim já estão descritas com resultados variáveis. OBJETIVO: Apresentar a experiência inicial com a técnica da ressecção triangular tangencial (Pomerantzeff). MÉTODOS: De 2002 a 2010, quatro pacientes foram submetidos a operação da valva mitral com redução do volume do átrio esquerdo pela técnica da ressecção triangular tangencial em nosso serviço. Três pacientes eram do sexo feminino. A idade variou de 21 a 51 anos. Os quatro pacientes encontravam-se com fibrilação atrial. A fração de ejeção do ventrículo esquerdo no pré-operatório variava de 38% a 62%. O diâmetro do átrio esquerdo variou de 78 a 140 mm. Após o tratamento da disfunção mitral, o átrio esquerdo foi reduzido por meio de ressecção triangular tangencial da sua parede posterior, entre as veias pulmonares, para evitar distorções anatômicas do anel mitral ou veias pulmonares, reduzindo a tensão na linha de sutura. RESULTADOS: Tempo médio de internação hospitalar foi de 21,5 ± 6,5 dias. O tempo de circulação extracorpórea médio foi de 130 ± 30 minutos. Não houve sangramento cirúrgico ou mortalidade no período pós-operatório. Todos os pacientes tiveram o ritmo sinusal restabelecido na saída de circulação extracorpórea, mantendo esse ritmo no pós-operatório. O diâmetro médio do átrio esquerdo foi reduzido em 50,5 ± 19,5%. A fração de ejeção do ventrículo esquerdo melhorou em todas as pacientes. CONCLUSÃO: Os resultados iniciais com essa técnica têm demonstrado redução efetiva do átrio esquerdo.

INTRODUCTION: The most common indication for surgical correction of giant left atrium is associated with mitral valve insufficiency with or without atrial fibrillation. Several techniques for this purpose are already described with varying results. OBJECTIVE: To present the initial experience with the tangential triangular resection technique (Pomerantzeff). METHODS: From 2002 to 2010, four patients underwent mitral valve operation with reduction of left atrial volume by the technique of triangular resection tangential in our service. Three patients were female. The age ranged from 21 to 51 years old. The four patients presented with atrial fibrillation. Ejection fraction of left ventricle preoperatively ranged from 38% to 62%. The left atrial diameter ranged from 78mm to 140mm. After treatment of mitral dysfunction, the left atrium was reduced by resecting triangular tangential posterior wall between the pulmonary veins to avoid anatomic distortion of the mitral valve or pulmonary veins, reducing tension in the suture line. RESULTS: Average hospital stay was 21.5 ± 6.5 days. The mean cardiopulmonary bypass time was 130 ± 30 minutes. There was no surgical bleeding or mortality in the postoperative period. All patients had sinus rhythm restored in the output of cardiopulmonary bypass, maintaining this rate postoperatively. The average diameter of the left atrium was reduced by 50.5% ± 19.5%. The left ventricular ejection fraction improved in all patients. CONCLUSION: Initial results with this technique have shown effective reduction of the left atrium.

https://doi.org/10.5935/1678-9741.20120046 3060 downloads

14.

Fatores de risco pré-operatórios para mediastinite após cirurgia cardíaca: análise de 2768 pacientes
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Tiveron, Marcos Gradim

; Fiorelli, Alfredo Inácio

; Mota, Eduardo Moeller

; Mejia, Omar Asdrúbal Vilca

; Brandão, Carlos Manuel de Almeida

; Dallan, Luís A. O.

; Pomerantzeff, Pablo A. M.

; Stolf, Noedir A.G

Brazilian Journal of Cardiovascular Surgery

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jun 2012, Volume 27 N. 2 Pages 203 - 210

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

INTRODUÇÃO: A esternotomia mediana longitudinal é a via de acesso mais utilizada no tratamento das doenças cardíacas. As infecções profundas da ferida operatória no pós-operatório das cirurgias cardiovasculares são uma complicação séria, com alto custo durante o tratamento. Diferentes estudos têm encontrado fatores de risco para o desenvolvimento de mediastinite e as variáveis pré-operatórias têm tido especial destaque. OBJETIVO: O objetivo deste estudo é identificar fatores de risco pré-operatórios para o desenvolvimento de mediastinite em pacientes submetidos a revascularização do miocárdio e a substituição valvar. MÉTODOS: Este estudo observacional representa uma coorte de 2768 pacientes operados consecutivamente. O período considerado para análise foi de maio de 2007 a maio de 2009 e não houve critérios de exclusão. Foi realizada análise univariada e multivariada pelo modelo de regressão logística das 38 variáveis pré-operatórias eleitas. RESULTADOS: Nesta série, 35 (1,3%) pacientes evoluíram com mediastinite e 19 (0,7%) com osteomielite associada. A idade média dos pacientes foi de 59,9 ± 13,5 anos e o EuroSCORE de 4,5 ± 3,6. A mortalidade hospitalar foi de 42,8%. Na análise multivariada, foram identificadas três variáveis como preditoras independentes de mediastinite: balão intra-aórtico (OR 5,41, 95% IC [1,83 -16,01], P=0,002), hemodiálise (OR 4,87, 95% IC [1,41 - 16,86], P=0,012) e intervenção vascular extracardíaca (OR 4,39, 95% IC [1,64 - 11,76], P=0,003). CONCLUSÃO: O presente estudo demonstrou que necessidade do suporte hemodinâmico pré-operatório com balão intra-aórtico, hemodiálise e intervenção vascular extracardíaca são fatores de risco para o desenvolvimento de mediastinite após cirurgia cardíaca.

BACKGROUND: Longitudinal median sternotomy is the most common surgical approach for access to heart disease treatment. The deep wound infections in postoperative period of cardiovascular surgery are a serious complication requiring high costs during treatment. Different studies have indicated some risk factors for the development of mediastinitis and preoperative variables are currently under investigation. OBJECTIVE: The aim of this study is to identify the preoperative risk factors for postoperative development of mediastinitis in patients undergoing coronary artery bypass grafting and valve replacement. METHODS: This observational study represents a cohort of 2768 consecutive operated patients. The period considered for analysis was from May 2007 to May 2009 and there were no exclusion criteria. Analysis was performed by univariate and multivariate logistic regression model of 38 preoperative variables. RESULTS: Thirty-five (1.3%) patients developed mediastinitis and 19 (0.7%) associated with osteomyelitis. The patient age average was 59.9 ± 13.5 years and the EuroSCORE of 4.5 ± 3.6. Hospital mortality was 42.8%. The multivariate analysis identified three variables as independent predictors of postoperative mediastinitis: intra-aortic balloon pump (OR 5.41, 95% CI [1.83 -16.01], P = 0.002), hemodialysis (OR 4.87, 95% CI [1.41 to 16.86], P = 0.012) and extracardiac vascular intervention (OR 4.39, 95% CI [1.64 to 11.76], P = 0.003). CONCLUSION: This study showed that necessity of preoperative hemodynamic support with intra-aortic balloon, hemodialysis, and extracardiac vascular intervention were risk factors for development of mediastinitis after cardiac surgery.

https://doi.org/10.5935/1678-9741.20120035 6384 downloads Cited 3 times in SciELO

15.

Evolução tardia da comissurotomia mitral em pacientes reumáticos com baixo escore ecocardiográfico
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Souza, Luciano Rapold

; Brandão, Carlos Manuel de Almeida

; Pomerantzeff, Pablo Maria Alberto

; Leite Filho, Osanam Amorim

; Cardoso, Luiz Francisco

; Stolf, Noedir Antonio Groppo

Brazilian Journal of Cardiovascular Surgery

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sep 2011, Volume 26 N. 3 Pages 380 - 385

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

INTRODUÇÃO: Os bons resultados da comissurotomia mitral a céu aberto são bem conhecidos e existe a hipótese de que se poderiam obter melhores resultados em pacientes selecionados pelo escore ecocardiográfico. OBJETIVO: Analisar os resultados tardios da comissurotomia mitral em pacientes selecionados pelo escore ecocardiográfico e identificar variáveis com influência nesses resultados. MÉTODOS: De janeiro de 1990 a agosto de 1994, 50 pacientes com estenose mitral reumática foram submetidos à comissurotomia mitral a céu aberto no Instituto do Coração do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo. Foram incluídos pacientes com idade < 60 anos, classe funcional II, III ou IV (New York Heart Association) e escore ecocardiográfico 9. A idade média foi de 32,68 ± 8,29 anos, sendo 41 (82%) pacientes do sexo feminino. Três (6%) pacientes estavam em classe funcional II, 46 (92%) em III e um (2%) em IV. Quarenta e seis (92%) pacientes apresentavam ritmo sinusal e quatro (8%), fibrilação atrial. A área valvar mitral média foi de 0,9 ± 0,2 cm². RESULTADOS: Não houve mortalidade hospitalar. Ocorreram dois óbitos tardios, um relacionado à valvopatia. A sobrevida actuarial foi de 95,5 ± 3,1%, sobrevida livre de reoperação, 62,3 ± 11,8%, e sobrevida livre de tromboembolismo, 88,2 ± 5,0% em 18 anos. Não houve endocardite. O escore ecocardiográfico não teve influência significante em reoperações na evolução tardia. CONCLUSÃO: A comissurotomia mitral a céu aberto obteve resultados tardios excelentes nos pacientes com baixo escore ecocardiográfico

INTRODUCTION: The good results of open mitral commissurotomy are well known and there is a hypothesis that it could provide better results in patients selected by echocardiographic score. OBJECTIVE: The purpose of this study is to analyze the late results with open mitral commissurotomy in patients selected by score and to identify variables influencing these results. METHODS: From January 1990 to August 1994, 50 patients were submitted to open mitral commissurotomy due to rheumatic mitral stenosis in Heart Institute of University of Sao Paulo Medical School. Patients with age < 60 years, in functional class II, III or IV (New York Heart Association) and echocardiographic score 9 were included. The mean age was 32.7 ± 8.3 years and 41 patients (82%) were female. The functional class was II in three patients (6%), III in 46 (92%) and IV in one (2%). Forty six patients (92%) were in sinus rhythm and four (8%) were in atrial fibrillation. The mean mitral valve area was 0.9 ± 0.2 cm². RESULTS: There was no hospital mortality. There were two late deaths, one related to valve disease. Actuarial survival was 95.5 ± 3.1 %, freedom from reoperation was 62.3 ± 11,8% and freedom from tromboembolism was 88,2 ± 5,0% in 18 years. There was no endocarditis. The grade of the echocardiographic score had no significant influence on the reoperations in late evolution. CONCLUSION: Open mitral commissurotomy presented excelent long term results in rheumatic patients with low echocardiographic score

https://doi.org/10.5935/1678-9741.20110012 5102 downloads Cited 2 times in SciELO

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