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      Aneurismectomia de ventrículo esquerdo com o coração batendo ininterruptamente: resultados imediatos Translated title: Left ventricular aneurysmectomy with continuous beating heart: early results

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          Abstract

          OBJETIVO: O índice médio de mortalidade operatória na aneurismectomia de ventrículo esquerdo é de 15%. Formas de proteção miocárdica especificamente para este procedimento têm sido pouco discutidas. Este trabalho tem por finalidade a avaliação dos resultados imediatos do tratamento cirúrgico do aneurisma da parede anterior de ventrículo esquerdo, sob circulação extracorpórea, com o coração batendo ininterruptamente. MÉTODO: Análise retrospectiva de 34 prontuários de pacientes submetidos a aneurismectomia anterior, associada ou não à revascularização do miocárdio, no período de janeiro de 1997 a maio de 2005. Foram avaliados 20 doentes do sexo masculino e 14 do sexo feminino, com média de idade de 52 anos (28 a 76 anos). Todos os pacientes foram operados sob circulação extracorpórea em normotermia, sem pinçamento aórtico, mantendo-se o coração batendo o tempo todo. Foram analisados: mortalidade perioperatória, complicações tromboembólicas, tempo de circulação extracorpórea, tempo de assistência ventilatória invasiva e permanência na Unidade de Terapia Intensiva (UTI). RESULTADOS: Não houve mortalidade perioperatória. Não observamos complicações tromboembólicas. O tempo de circulação extracorpórea foi, em média, de 85min (25-150min). O tempo de assistência ventilatória invasiva foi, em média, de 18h (8-96h) e de permanência na UTI, 3,1 dias (2- 14 dias). CONCLUSÃO: A manutenção dos batimentos cardíacos pela tática de não pinçamento aórtico para proteção miocárdica constitui-se num método eficiente e seguro para aneurismectomia de parede anterior de ventrículo esquerdo.

          Translated abstract

          OBJECTIVE: Operative mortality after left ventricular aneurysmectomy is close to 15%. Specifically for this procedure, forms of myocardial protection have been little discussed. The purpose of this study was to evaluate immediate results of left anterior ventricular aneurysmectomy using the beating heart approach. METHOD: We performed a retrospective analysis of 34 patients who underwent a left anterior ventricular aneurysmectomy, both with and without revascularization, from January 1997 to May 2005. The series consisted of 20 males and 14 females with a mean age of 52 years-old (range: 28 to 76). All of them were operated on cardiopulmonary bypass with normothermia, aortic cross-clamping was used but the open-beating heart was. We evaluated the perioperative mortality, thromboembolic events, duration of cardiopulmonary bypass, the length of stay in intensive care unit and the use of invasive ventilatory assistance. RESULTS: There were no perioperative mortalities or thromboembolic events. The cardiopulmonary bypass time was 85 minutes (range: 25-150 minutes). Invasive ventilatory assistance was used on average for 18 hours (range: 8-96 hours) and the mean stay in intensive unit care was 3.1 days (range: 2-14 days). CONCLUSION: The beating heart approach constitutes a safe and efficient cardioprotective method for anterior left ventricular aneurysmectomy procedures.

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          Most cited references26

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          Left ventricular aneurysmectomy. Resection or reconstruction.

          A Jatene (1985)
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            The effect of thrombolytic therapy on left ventricular aneurysm formation in acute myocardial infarction: relationship to successful reperfusion and vessel patency.

            Although there is increasing evidence for the beneficial effect of thrombolytic therapy on global left ventricular (LV) function in acute myocardial infarction (AMI), the data concerning the early effect of thrombolytic therapy on the incidence of left ventricular aneurysm (LVA) formation and its relationship to clinical and angiographic determinants are limited.
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              Early and late results of left ventricular reconstruction in thin-walled chambers: is this our patient population?

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbccv
                Brazilian Journal of Cardiovascular Surgery
                Braz. J. Cardiovasc. Surg.
                Sociedade Brasileira de Cirurgia Cardiovascular (São José do Rio Preto )
                1678-9741
                March 2006
                : 21
                : 1
                : 55-61
                Affiliations
                [1 ] Santa Casa de Misericórdia de São Paulo Brazil
                Article
                S0102-76382006000100011
                10.1590/S0102-76382006000100011
                8eb769b2-4337-470d-a608-36302bb60c3c

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0102-7638&lng=en
                Categories
                CARDIAC & CARDIOVASCULAR SYSTEMS
                SURGERY

                Surgery,Cardiovascular Medicine
                Heart aneurysm,Heart arrest, induced,Myocardial ischemia,Treatment outcome,Aneurisma cardíaco,Parada cardíaca induzida,Isquemia miocárdica,Resultado de tratamento

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