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NADİR, AYDIN

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AYDIN
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NADİR
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PublicationOpen Access

The prognostic value of fragmented QRS in patients undergoing transcatheter aortic valve implantation

2018-11-01, Ay, Nuray Kahraman, ENHOŞ, ASİM, AY, YASİN, Ozdemir, Razaman, NADİR, AYDIN, KARAÇÖP, ERDEM, ÇELİKKALE, İLKE, ULUGANYAN, MAHMUT, Goktekin, Omer, KAHRAMAN AY, NURAY, ENHOŞ, ASIM, AY, YASİN, BAKHSALIYEV, NIJAD, NADİR, AYDIN, KARAÇÖP, ERDEM, ÇELİKKALE, İLKE, ULUGANYAN, MAHMUT, ÖZDEMİR, RAMAZAN

Background Although transcatheter aortic valve implantation (TAVI) can successfully correct aortic narrowing, pre-existing pathophysiological alterations in the left ventricle are still a concern in terms of long-term mortality. This study aimed to examine the predictive role of fQRS morphology on long-term prognosis in patients undergoing TAVI due to severe aortic stenosis. Methods A total of 117 patients undergoing TAVI due to severe aortic stenosis were included in this retrospective cohort study. Patients were assigned into two groups based on the presence (n = 36) or absence (n = 81) of fQRS. Predictors of long-term survival were estimated. Results In-hospital mortality was higher in fQRS group (5.5% vs. 1.2%, p = 0.0224). In the long-term, fQRS (OR: 3.06, 95% CI 1.29–7.27, p: 0.01), LVEF <50% (OR: 2.54, 95% CI 1.07–6.02, p: 0.03) and presence of atrial fibrillation (OR: 2.42, 95% CI 1.05–5.60, p: 0.03) emerged as significant independent predictors of short survival. Conclusion Presence of fQRS on ECG, an indirect indicator of myocardial fibrosis, seems to have the potential to be used as a prognostic marker after TAVI procedure. Large prospective studies are warranted.