Maden, OrhanKacmaz, FehmlSelcuk, Mehmet TimurSelcuk, HaticeAlyan, OemerAksu, TolgaMetin, Fatma2024-04-242024-04-2420080022-0736https://doi.org/10.1016/j.jelectrocard.2007.07.004https://hdl.handle.net/11468/15629Background: Although QRS-complex changes during ischemia have been described previously, their relation with no-reflow is not clear. Purpose: To evaluate relation of admission QRS duration with angiographic no-reflow, we studied 162 patients who underwent primary angioplasty. Methods: Twelve-lead electrocardiogram with a paper speed of 50 mm/s was recorded on admission and repeated after angioplasty. Patients were divided into reflow and no-reflow groups based on postangioplasty coronary thrombolysis in myocardial infarction flow grade. Results: Patients in the no-reflow group (26 patients) were older (P = .001) and had significantly longer pain-to-balloon interval (P = .007). The patients in the no-reflow group had significantly longer QRS duration on admission electrocardiogram compared with patients in the reflow group (interquartile range, 80-93 [median, 84] milliseconds vs 60-80 [median, 76] milliseconds, respectively; P < .001). After adjusting all variables, QRS duration on admission was found to be independently related to angiographic no-reflow (odds ratio, 1.07; 95% confidence interval, 1.02-1.12; P = .003). Conclusion: QRS duration on admission may be valuable in predicting no-reflow. (C) 2008 Elsevier Inc. All rights reserved.eninfo:eu-repo/semantics/closedAccessNo-ReflowQrs DurationPrimary AngioplastyArticle4117277WOS:0002526274000172-s2.0-380490024061788894110.1016/j.jelectrocard.2007.07.004Q3Q3