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- Title
Relationship between fragmented QRS complexes in leads V4-V6 and left ventricular apical thrombus formation in patients presenting with first acute anterior myocardial infarction.
- Authors
Baysal, Erkan; Burak, Cengiz; Yaylak, Barış; Altıntaş, Bernas; Öztürk, Önder; Çiftçi, Hacı; Altındağ, Rojhat; Söner, Serdar
- Abstract
Objective: The present study was an investigation of the relationship between fragmented QRS (fQRS) and left ventricular apical thrombus (LVAT) in patients presenting with first acute anterior myocardial infarction (MI). Methods: Consecutive 148 patients (mean age: 60.1±10.1 years; male: 75.6%) with first acute anterior MI who underwent primary percutaneous coronary intervention (PCI) were included. Study population was divided into 2 groups based on presence of LVAT. fQRS was defined as presence of various RSR' patterns, which included additional R wave or notching of R wave or S wave, and presence of more than 1 R in 2 contiguous leads corresponding to major coronary artery territory on 12-lead electrocardiogram. Patients with bundle branch block were excluded from the study. Results: Of these, 32 (21.6%) had LVAT. Patients with LVAT had higher prevalence of fQRS (53.1% vs. 22.4%; p<0.001) and lower rate of successful PCI (75% vs. 94%; p=0.002) compared with patients without LVAT. More patients in LVAT group had left ventricular ejection fraction of <30% (87.5% vs 65.5%; p=0.010). Groups were similar with respect to other baseline characteristics (p>0.05 for all). Presence of fQRS was independent predictor of LVAT (odds ratio [OR], 2.795; 95% confidence interval [CI], 1.058-7.396) in multivariable logistic regression analysis. Conclusion: Presence of fQRS in leads V4-V6 is independently associated with LVAT in patients presenting with first acute anterior MI.
- Publication
Archives of the Turkish Society of Cardiology / Türk Kardiyoloji Derneği Arşivi, 2017, Vol 45, Issue 3, p219
- ISSN
1016-5169
- Publication type
Article
- DOI
10.5543/tkda.2017.03753