BACKGROUND: In previous randomized studies levosimendan improved hemodynamics and clinical course, with a still unclear effect on prognosis. There are, however, few data regarding its effects when used in daily practice. AIMS: We evaluated the clinical effectiveness and safety of levosimendan in the treatment of acute systolic heart failure (SHF) in daily practice conditions. METHODS: In this prospective, multi...
Foram estudados por ecocardiografia (M-Modo) dezasseis doentes com insuficiência aórtica crónica submetidos a cirurgia de substituição valvular no Serviço de Cardiologia Médico-Cirúrgica do Hospital de Santa Maria, no pré e no pós-operatório durante um período que variou entre 1 e 65 meses. Avaliaram-se os seguintes parâmetros ecocardiográficos da função ventricular esquerda: DED - dimensão telediastólica, % Δ ...
Foi feito o estudo simultâneo das dimensões do ventrículo esquerdo por cineangiocardiografia e ecocardiografia em 15 doentes sem cardiopatia isquémica, durante o exame hemodinâmico de rotina. O feixe de ultrassons interceptou o eixo menor ventricular segundo ângulos variáveis (de -11° a +18°) na diástole e na sístole, e o eixo longitudinal de 28% a 64% do seu comprimento na diástole e de 15 % a 64 % na sístole....
Five anaesthetized open chested dogs were studied by measuring left anterior descending (LAD) coronary blood flow, at rest, after atrial pacing and after Isoprenaline infusion. The LAD was then stenosed in order to reduce the hyperaemic response and then the study was repeated. During the control situation LAD flow was shown to increase with the increase in heart rate. Although the partial occlusion did not dro...
To assess the prognostic value of predischarge exercise testing (ET) in patients hospitalized for acute myocardial infarction (AMI).Department of Cardiology in a reference hospital for Interventional CardiologyBetween January 1990 and December 1994, 178 patients hospitalized for AMI were discharged and referred to the outpatient clinic (mean follow up, 1049 +/- 612 days). Eighty-two percent of these patients we...
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