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Trombólise no infarto agudo do miocárdio: estreptoquinase ou r-TPA? / Thrombolysis in acute myocardial infarction. Streptokinase or r-TPA?
Silva, Lélio Alves; Ribeiro, Expedito; Carneiro, Rinaldo C; Kaissar, Samira; Reis Filho, Agenor; Torossian, Sérgio P; Tavares, J. Roberto; Buffolo, Enio; Amino, J. Geraldo; Duprat Filho, Renato.
  • Silva, Lélio Alves; s.af
  • Ribeiro, Expedito; s.af
  • Carneiro, Rinaldo C; s.af
  • Kaissar, Samira; s.af
  • Reis Filho, Agenor; s.af
  • Torossian, Sérgio P; s.af
  • Tavares, J. Roberto; s.af
  • Buffolo, Enio; s.af
  • Amino, J. Geraldo; s.af
  • Duprat Filho, Renato; s.af
Arq. bras. cardiol ; 55(1): 13-17, jul. 1990. tab
Article in Portuguese | LILACS | ID: lil-87996
RESUMO
Comparar, através de estudo prospectivo e randomizado, os resultados do emprego da estreptoquinase (SK) e do 5-TPA por via venosa, no infarto agudo do miocárdio (IAM). Cem pacientes internado consecutivamente com diagnóstico de IAM com menos de seis horas de evoluçäo, receberam alternadamente, por via venosa, 1.200.000 U de SK (Grupo SK n = 50) ou 100 mg de r-TPA (Grupo r-TPA n = 50). Idade, sexo, antecedentes, localizaçäo e infartos prévios eram semelhantes nos dois grupos. O estudo angiográfico foi realizado, eletivamente, após dois dias em média do tratamento, a menos que surgissem sinais e sintomas de reoclusäo. Os estudos angiográficos mostraram, respectivamente, 85% (grupo SK) e 66% (grupo r-TPA) de artérias relacionadas ao infarto, "abertas" (p = 0.025). Näo houve diferença na funçäo do ventrículo esquerdo analisada pelas fraçöes de ejeçäo global e regional, entre os dois grupos. Na fase hospitalar observaram-se 6.6% de reoclusöes no grupo SK contra 19% no r-TPA. Näo houve diferença na mortalidade ou quanto ao tipo de tratamento adicional empregado (cirurgia, angioplastia ou tratamento clínico). Na avaliaçäo tardia (48 h), os resultados angiográficos observados com o emprego da SK säo superiores aos obtidos com o r-TPA
ABSTRACT
PurposeTo compare the results of intravenous thrombolytic therapy with streptokinase (SK), with those of the recombinant human tissue-type plasminogen activator (r-TPA), in acute myocardial infarction (AMI). Material and Methods One hundred patients with AMI of less than 6 hours duration were randomized in two groups: 50 patients were allocated to 1.200.000 IU of SK (Group SK) and 50 patients received 100 mg of r-TPA over 180 minutes. The two groups were similar respecting age, sex, location and previous infarction. The angiographic study was performed 48 h after the thrombolitic therapy. ResultsIn the angiographic study, 85% of the Group SK vs 66% of Group r-TPA had patient infarctrelated vessel (p = 0.025). Reoclusion was 6.6% in Group SK vs 19% in Group r-TPA and hospital mortality was similar in the two groups. ConclusionIn the late angiographic evaluation (48 h), the frequency of coronary patency was found to be higher after intravenous SK than after intravenous r-TPA
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Streptokinase / Thrombolytic Therapy / Tissue Plasminogen Activator / Myocardial Infarction Type of study: Controlled clinical trial / Observational study Limits: Aged / Humans Language: Portuguese Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 1990 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Streptokinase / Thrombolytic Therapy / Tissue Plasminogen Activator / Myocardial Infarction Type of study: Controlled clinical trial / Observational study Limits: Aged / Humans Language: Portuguese Journal: Arq. bras. cardiol Journal subject: Cardiology Year: 1990 Type: Article