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- W1826352586 abstract "Background: Negative T wave and lack of ST segment elevation in predischarge ECG inST-segment elevation myocardial infraction (STEMI) patients are given as markers of goodprognosis. Repolarization duration, especially its late part (TpeakTend - TpTe), likewiseST-T patterns, is related to local post-myocardial infarction myocardial attributes. We analyzedthe differences in QT parameters in STEMI patients with negative or not-negative T wavepattern in predischarge ECG. Methods: The data from 83 STEMI patients (LVEF > 45%, first MI, one-vessel disease)who underwent successful percutaneous coronary intervention of infarct-related coronary artery(TIMI 3 flow) were collected. According to ST-T patterns in predischarge ECG, the cohortwas divided into two groups: 38 patients with persistent ST elevation and/or non-negativeT wave pattern (STT+), and 45 patients with negative T wave, without ST elevation (STT-).QT, QTpeak, and TpTe intervals were obtained from 5 consecutive beats of sinus rhythm60–70 bpm between 6 a.m. and 8 a.m. from Holter recording, corrected to the heart rate (HR)with Bazett’s formula. Results: The study groups did not differ in gender, age, or treatment. No true antiarrhythmicswere given. Both QTc and TpTec were longer in STT+ patients: 459 ± 26 ms vs. 440 ± 25 ms,p = 0.01 and 108 ± 10 ms vs. 96 ± 11 ms, p = 0.000015, respectively. Prolongation of laterepolarization was found both in anterior and inferior infarction. Conclusions: STEMI patients who underwent successful percutaneous coronary interventionof infarct-related coronary arteries and demonstrated persistent ST elevation, withoutnegative T wave at hospital discharge, had a longer repolarization duration, especially the latephase of it. Further studies are necessary to assess the prognostic value of this finding." @default.
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- W1826352586 date "2009-01-01" @default.
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- W1826352586 title "Repolarization parameters in patients with acute ST segment elevation myocardial infarction treated with primary percutaneous coronary intervention with respect to predischarge ST-T pattern: a preliminary study." @default.
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