The significance of persistent ST elevation versus early resolution of ST segment elevation after primary PTCA
Shlomi Matetzky, MDa,b,
Maxim Novikov, MDa,b,
Luis Gruberg, MDa,b,
Dov Freimark, MDa,b,
Micha Feinberg, MDa,b,
Dan Elian, MDa,b,
Ilya Novikov, PhDa,b,
Elio Di Segni, MDa,b,
Oren Agranat, MDa,b,
Yedael Har-Zahav, MDa,b,
Babeth Rabinowitz, MD, FACCa,b,
Elieser Kaplinsky, MD, FACCa,b and
Hanoch Hod, MD, FACCa,b
a Heart Institute, Chaim Sheba Medical Center, Tel Hashomer, Israel
b Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel

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Figure 1 The distribution of the entire study population according to the extent of ST segment elevation resolution immediately after the primary PTCA, expressed as percentage decrease of the ST segment elevation before the procedure. In five patients there was further ST segment elevation reelevation after the procedure which is presented as negative numbers.
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Figure 2 Prevalence of in-hospital adverse events in patients with (group A) and without (group B) early ST segment elevation resolution. *p = NS; **p = 0.088. Solid bars = Group A; open bars = Group B.
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Figure 3 Comparison of in-hospital mortality and CHF in patients with (group A) and without (group B) early ST segment elevation resolution according to Killip classification on admission. Solid bars = Group A; open bars = Group B.
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Figure 4 Kaplan-Meier curves for long-term survival according to the presence (solid line) or absence (dotted line) of early ST segment elevation resolution (p = 0.12 in log-rank test). Solid line = Group A; dotted line = Group B.
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