Postprocedural single-lead ST-segment deviation and long-term mortality in patients with ST-segment elevation myocardial infarction treated by primary angioplasty

de Luca, G.; Suryapranata, H.; Ottervanger, J. P.; Hoorntje, J. C. A.; Gosselink, A. T. M.; Dambrink, J.-H.; de Boer, M.-J.; van't Hof, A. W. J.
January 2008
Heart;Jan2008, Vol. 94 Issue 1, p44
Academic Journal
Objective: To evaluate the prognostic role of postprocedural single-lead residual ST-segment deviation for electrocardiographic evaluation of myocardial perfusion in patients with ST-segment elevation myocardial infarction (STEMI) treated by primary angioplasty. Design: Prospective observational clinical cohort study. Setting: Tertiary referral centre. Patients: 1660 patients treated with primary angioplasty for STEMI. Main outcome measure: Mortality at 1-year follow-up. Results: Single-lead ST-segment deviation significantly correlated with infarct size, predischarge ejection fraction, distal embolisation and myocardial blush grade 3. At 1- year follow-up, 63 patients had died. The method correlated well with 1-year mortality. At multivariate analysis, after correction for baseline demographic, clinical and angiographic variables, postprocedural single-lead ST-segment deviation showed better accuracy than residual single-lead ST-segment elevation or resolution and residual 12-lead ST-segment deviation. Conclusions: This study showed that maximal residual ST-segment deviation in a single lead at 3 hours after the procedure is an easy and accurate predictor of 1-year mortality after primary angioplasty for STEMI.


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