Clinical usefulness of red cell distribution width to angiographic severity and coronary stent thrombosis
Authors Erdem A, Ceylan US, Esen A, Zencirci E, Topcu B, Ozden K, Yazici S, Terzi S, Emre A, Yesilcimen K
Received 29 March 2016
Accepted for publication 2 June 2016
Published 9 September 2016 Volume 2016:9 Pages 319—324
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Colin Mak
Peer reviewer comments 3
Editor who approved publication: Dr Scott Fraser
Aysun Erdem,1 Ufuk Sadik Ceylan,1 Aycan Esen,1 Ertugrul Zencirci,2 Birol Topcu,3 Kivilcim Ozden,1 Selcuk Yazici,1 Sait Terzi,1 Ayse Emre,1 Kemal Yesilcimen1
1Department of Cardiology, Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey; 2Department of Cardiology, Acibadem Hospital Maslak, Istanbul, Turkey; 3Department of Biostatistics, Faculty of Medicine, Namik Kemal University, Tekirdag, Turkey
Background: Red cell distribution width (RDW) is a quantitative measurement and shows heterogeneity of red blood cell size in peripheral blood. RDW has recently been associated with cardiovascular events and cardiovascular diseases, and it is a novel predictor of mortality. In this study, we aimed to evaluate the clinical usefulness of measuring RDW in patients with coronary stent thrombosis.
Patients and methods: We retrospectively reviewed 3,925 consecutive patients who presented with acute coronary syndrome and who underwent coronary angiography at the Siyami Ersek Hospital between May 2011 and December 2013. Of the 3,925 patients, 73 patients (55 males, mean age 59±11 years, 55 with ST elevated myocardial infarction) with stent thrombosis formed group 1. Another 54 consecutive patients who presented with acute coronary syndrome (without coronary stent thrombosis, 22 patients with ST elevated myocardial infarction, 44 males, mean age 54±2 years) and underwent percutaneous coronary intervention in May 2011 formed group 2. Data were collected from all groups for 2 years. The RDW values were calculated from patients 1 month later at follow-up. Syntax scores were calculated for all the patients. The patients were also divided as low syntax score group and moderate–high syntax score group.
Results: The patients in group 1 with stent thrombosis had significantly higher RDW level (13.85) than the patients in group 2 without stent thrombosis (12) (P<0.001). In addition, in all study patients, the moderate–high syntax score group had significantly higher RDW level (13.6) than the low syntax score group (12.9) (P=0.009). A positive correlation was determined between RDW and syntax scores (r=0.204).
Conclusion: RDW is a new marker of poor prognosis in coronary artery disease. Increased RDW level is correlated with angiographic severity of coronary artery disease, and RDW may be an important clinical marker of coronary stent thrombosis in patients undergoing coronary intervention.
Keywords: syntax score, stent thrombosis, red cell distribution width, coronary artery disease
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