![]() Differences between continuous variables were compared using a two-tail two-sample t-test assuming different variances between compared samples. Categorical data are presented as absolute and relative incidences. On the contrary, the prognostic value of Q-wave presence appears limited in contemporarily treated STEMI patients.Ĭontinuous data are presented as mean ± standard deviation (SD) and as median with interquartile ranges (IQR). In contemporarily treated STEMI patients, Selvester score is a strong independent predictor of long-term all-cause mortality. On the contrary, the additional risk-prediction by 72 h Q presence was either absent or only borderline. In high-risk subpopulations defined by clinical and laboratory variables, the differences in total mortality were highly significant ( p < 0.01 for all subgroups) when stratified by 72 h Selvester score ≥6. Multivariably, 72 h Selvester score ≥6 was a strong independent predictor of death, while a predictive value of the 72 h Q wave was absent. A 72 h Q presence and 72 h Selvester score ≥6 was observed in 184 (65.02%) and 143 (50.53%) patients, respectively. The results were related to total mortality and to clinical and laboratory variables. The Selvester score was evaluated in acute ECGs (acute Selvester score) and in the pre-discharge ECGs (72 h Selvester score). The presence of pathological Q wave was evaluated in pre-discharge electrocardiograms (ECGs) recorded ≥72 h after the chest pain onset (72 h Q). Data of 283 consecutive STEMI patients (103 females) treated by PPCI were analysed. In this study, we investigated long-term mortality of STEMI patients treated by primary percutaneous coronary intervention (PPCI) and compared predictive values of Q waves and of Selvester score for infarct volume estimation. The development of pathological Q waves has long been correlated with worsened outcome in patients with ST elevation myocardial infarction (STEMI).
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