Value of c Tpeak –Tend \ c QT Ratio in the Prediction of No-reflow in Acute ST-Elevation Myocardial Infarction | ||||
| Zagazig University Medical Journal | ||||
| Article 46, Volume 30, Issue 4, July and August 2024, Page 1476-1483 PDF (836.71 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/zumj.2024.291366.3407 | ||||
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| Authors | ||||
Eman H Seddik  1; Mohamed Elbayoumi2; Alaa Ramadan Youssuf3
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| 1Cardiology Department, Faculty of Medicine, Zagazig University, Egypt | ||||
| 2Cardiology Department, National Heart Institute (NHI), Egypt | ||||
| 3Cardiology Department, Al-Ahrar Teaching Hospital, Egypt. | ||||
| Abstract | ||||
| Abstract: Background: The occurrence of no-reflow in patients with STEMI means inadequate myocardial reperfusion despite patent coronary arteries . Electrocardiogram (ECG) is a widely available non-invasive diagnostic tool in daily practice that is easy to use. So our study aimed to evaluate the corrected value of T wave peak interval to end terminal (cTPE) and corrected QT and assess the ratio of cTPE\ c QT in predicting no-reflow. Methods: A total of 120 patients who fulfilled inclusion and exclusion criteria were subjected to 12 leads surface ECG, TPE interval was measured from the peak of the T wave to the end terminal of the T wave tangent to the baseline in the leads the least ST changes (defined as less than <0.055 mV from the isoelectric line. QT interval was assessed from the onset of the QRS complex to the T wave end, other clinical and angiographic data were compared in successful and no-reflow groups. Results: The population study was divided into no-reflow group I accounting for 33.3% and successful reperfusion group II accounting for 66.7%. Admission time cTPE\ cQT was prolonged in group I 0.281±1.94 compared to 0.192±1.07 in group II. Multivariate analysis showed that admission time from symptoms onset to hospital admission (0.017), followed by Hs-troponin peak value pg\ml (0.007), then Admission time cTPE\ cQT (0.001) were significant predictors of impaired flow TIMI <3 . Conclusion: Admission time cTPE\ cQT at a cut-off value ≥ 0.243 ms could accurately predict impaired flow TIMI <3 post PCI. | ||||
| Keywords | ||||
| keywords : no-reflow; ST elevation myocardial infarction (STEMI); cTPE\ cQT | ||||
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