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1.
Rev. chil. cardiol ; 15(4): 179-83, oct.-dic. 1996. tab, ilus
Article in Spanish | LILACS | ID: lil-197886

ABSTRACT

El shock cardiogénico en el curso del infarto agudo del miocardio (IAM) tiene una alta mortalidad, a pesar del uso de inótropos y balón de contrapulsación. Varios estudios no randomizados han mostrado que la angioplastia coronaria puede ser efectiva en mejorar la sobrevida de estos pacientes. En nuestro medio, la experiencia es más limitada. Desde 1992 a la fecha hemos practicado angioplastia coronaria a 11 pacientes que presentaron shock secundario a un IAM, 7 hombres, 4 mujeres, edad promedio de 65 años. La angioplastia fue exitosa en 10 de los 11 pacientes, 6 de ellos fallecieron, incluyendo el paciente en que la angioplastia fracasó. En los 5 sobrevivientes, la angioplastia se efectuó hasta 12 horas después de iniciado el shock, a diferencia de los 6 fallecidos, de los cuales en 4 el procedimiento se realizó después de este tiempo. En un seguimiento promedio de 19 meses, los 5 pacientes están vivos, 2 de ellos fueron sometidos en forma electiva a cirugía de revascularización sin incidentes. De estos 5 pacientes, uno está en CF I,3 en CF II y uno en CF III. En conclusión, la angioplastía fue existosa en la mayoría de los pacientes con shock cardiogénico secundario a un IAM y contribuyó a la sobrevida en la mitad de los pacientes, siendo efectiva cuando se realizó dentro de las primeras 12 horas del shock


Subject(s)
Humans , Male , Female , Middle Aged , Angioplasty, Balloon, Coronary/methods , Myocardial Infarction/therapy , Shock, Cardiogenic/therapy , Cardiac Output , Dopamine/administration & dosage , Hemodynamics , Heparin/administration & dosage , Respiration, Artificial
3.
Rev. méd. Chile ; 123(6): 727-34, jun. 1995. tab, ilus
Article in Spanish | LILACS | ID: lil-156943

ABSTRACT

Primary coronary angioplasty as treatment of acute myocardial infarction preserves more myocardium and has a lower mortality than trombolysis. Aiming to assess the feasibility of its use in Chile, were studied 64 patients aged 59ñ2 years old, 27 with and anterior wall and 37 with an infero-lateral wall acute myocardial infarction of 118ñ62 min of evolution. Coronary angiography, performed 98ñ47 min after diagnosis, showed non significant disease in one, one vessel disease in 26 (40 percent), 2 vessel disease in 17 (27 percent) and 3 vessel disease in 20 (40 percent), circumflex in 9 (14 percent), right in 27 (42 percent), a saphenous bridge in 1 and left main disease in 1 patient. In 1 patient with an obstruction over 50 percent and in 2 patients with left main disease, angioplasty was not attempted. The procedure was succesful (defined as a residual lesion of less than 50 percent) in 56 of 61 patients (92 percent) and failed in 4. One patient was re-perfused with intracoronary streptokinase. The delay in reperfusion was lower during working than non-working hours (89ñ48 vs 113ñ39 min). Four patients (6 percent) died during hospitalization, two had a reinfarction, 2 had a new vessel occlusion and 3 had a spontaneous ischemia. Eleven patients were operated during hospitalization and in 2 this was an emergency procedure. After 1993, mortality was lower (1 of 55 patients) than before (3 of 9). It is concluded that early coronary angioplasty in acute myocardial infarction is feasible in Chile, with a high degree of success


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Myocardial Infarction/therapy , Angioplasty, Balloon, Coronary/methods , Coronary Angiography , Angioplasty, Balloon, Coronary/statistics & numerical data , Hemodynamics , Clinical Protocols
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