Recurrent ischemia during continuous 12-lead ECG-ischemia monitoring in patients with acute coronary syndromes treated with eptifibatide: Relation with death and myocardial infarction

被引:10
作者
Akkerhuis, KM
Maas, ACP
Klootwijk, PAJ
Krucoff, MW
Meij, S
Califf, RM
Simoons, ML
机构
[1] Erasmus Univ, Thoraxctr, NL-3000 DR Rotterdam, Netherlands
[2] Univ Rotterdam Hosp, Rotterdam, Netherlands
[3] Duke Univ, Med Ctr, Dept Med, Div Cardiol, Durham, NC 27710 USA
关键词
unstable angina; acute coronary syndromes; platelet glycoprotein IIb/IIIa inhibitors; ischemia-monitoring; electrocardiography;
D O I
10.1016/S0022-0736(00)80069-2
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Computer-assisted continuous monitoring of the ST-segment allows detection and quantification of recurrent ischemia in patients with acute coronary syndromes. In a substudy of the PURSUIT (Platelet glycoprotein IIb/IIIa in Unstable angina: Receptor Suppression Using Integrilin Therapy) trial, this technique was used to evaluate the effects of the glycoprotein IIb/IIIa inhibitor eptifibatide on the incidence and severity of recurrent ischemia, and to investigate the relationship between recurrent ischemia and the occurrence of subsequent death or myocardial (re)infarction. A total of 258 patients with unstable angina or evolving myocardial infarction without ST elevation were monitored for 24 hours during infusion with either eptifibatide or placebo with a computer-assisted 12-lead ECG-ischemia monitoring device. Recurrent ischemic episodes were identified by an automated computer algorithm. Two hundred and sixteen patients (84%) had ECG recordings suitable for analysis. Ischemic episodes were detected in 35 (33%) of the 105 eptifibatide patients and in 32 (29%) of the 111 placebo patients (not significant). No difference in ischemic burden was apparent between both treatment groups. Patients who exhibited 2 or more episodes of recurrent ischemia more frequently died or suffered a myocardial infarction, both at 7 and 30 days, as well as through the 6-month follow-up. A greater ischemic burden was significantly related to adverse outcome during the 6-month follow-up period. Real-time computer-assisted continuous multilead ECG-ischemia monitoring may help to identify patients with unstable coronary syndromes at increased risk of adverse outcome and, thus, allow for better prognostic triage and more appropriate selection of therapeutic strategies. Integration of these systems in coronary care units and emergency wards should, therefore, be recommended.
引用
收藏
页码:127 / 136
页数:10
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