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  • Title: [The Italian Group for the Study of Streptokinase in Myocardial Infarct: Study of electrocardiographic changes].
    Author: Piccolo E, Delise P, Zuin G, Bonso A, Romano S, Ricciardiello V, Fischer D, Tani F, Forleo C, Portulano V.
    Journal: G Ital Cardiol; 1987 Jan; 17(1):57-62. PubMed ID: 3552839.
    Abstract:
    The twofold purpose of the ECG sub-group study of G.I.S.S.I. (Gruppo Italiano per lo Studio della Streptokinasi nell'Infarto miocardico) is to evaluate whether exist different ECG evolution in pts with AMI treated with streptokinase (SK YES) and/or with coronary reperfusion (early CK peak) with respect to pts non treated with streptokinase (SK NO) and/or without coronary reperfusion (late CK peak) and to establish whether the ECG is useful to recognize the patients in which reperfusion occurs. Among 365 pts randomized for G.I.S.S.I., 209 pts with first myocardial infarction, admitted within 6 hours from the onset of pain, alive for at least 24 hours, were included. 98 were SK YES and 111 SK NO: 48 cases (group A) had the CK peak before 15th hour; 59 cases (group B) had the CK peak between 15th and 21th hour: 102 cases (group C) had the CK peak after 21th hour. In all the patients ECG was analyzed on admission and thereafter at 3rd, 6th, 9th, 12th, 24th hours and on 2nd, 3rd, 7th and 14th days. RESULTS--Anterior myocardial infarction--SK YES pts had in respected to SK NO pts a significantly lower sum of ST elevation on anterior leads (sigma ST increases V1-V6) at all times after admission starting from 6th hour. A similar behaviour was observed in groups A and B in respect to group C. SK YES pts when compared to SK NO pts had an earlier loss of the sum of R wave in anterior leads (sigma RV1-V6), although the difference was not statistically significant.(ABSTRACT TRUNCATED AT 250 WORDS)
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