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Red blood cell distribution width predicts long term cardiovascular event after on-pump beating coronary artery bypass grafting

Overview of attention for article published in Journal of Cardiothoracic Surgery, April 2016
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Title
Red blood cell distribution width predicts long term cardiovascular event after on-pump beating coronary artery bypass grafting
Published in
Journal of Cardiothoracic Surgery, April 2016
DOI 10.1186/s13019-016-0465-4
Pubmed ID
Authors

Orcun Gurbuz, Gencehan Kumtepe, Hakan Ozkan, Ilker Hasan Karal, Abdulkadir Ercan, Serdar Ener

Abstract

Reports investigating the predictive value of red cell distribution width (RDW) on major cardiac and cardiovascular event (MACCE) following coronary artery bypass grafting (CABG) have major limitations, including lack of elimination of common factors affecting RDW levels, such as anemia. The purpose of this study is to identify the real effect of higher RDW level, free from the other factors, on MACCE following CABG. Data of 500 consecutive, non-anemic patients (77.2 % male and mean age 63.05 ± 9.24) undergoing ONBHCAB between January 2007 and January 2010, were analyzed retrospectively. Overall MACCE was 7.8 % of all cases. Mean follow-up was 66.5 ± 9.96 months. In multivariate Cox regression analysis, RDW (P = 0.022) remained the only independent predictor of MACCE and the ROC analyze revealed an RDW cut-off value of 13.95 % predicting MACCE. Therefore, patients were grouped on this cut-off value. There were 238 patients in the lower RDW group (Group 1) and 262 patients in the higher RDW group (Group 2). Kaplan-Meier survival analysis of freedom from MACCE revealed significantly lower event free survival in Group 2 (P < 0.001 by the log-rank test). Group 2 showed a higher MACCE incidence in 1 year (P = 0.030), in 3 years (P < 0.001) and in 6 years (P < 0.001). The long-term follow-up was similar regarding noncardiovascular mortality. An RDW level greater than 13.95 % in hospital admission is independently associated with an increased incidence of MACCE after CABG. Physicians should be more aggressive in the management of these patients.

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Mendeley readers

The data shown below were compiled from readership statistics for 15 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 15 100%

Demographic breakdown

Readers by professional status Count As %
Other 3 20%
Student > Master 3 20%
Researcher 3 20%
Student > Postgraduate 2 13%
Student > Bachelor 1 7%
Other 0 0%
Unknown 3 20%
Readers by discipline Count As %
Medicine and Dentistry 7 47%
Nursing and Health Professions 2 13%
Social Sciences 1 7%
Decision Sciences 1 7%
Unknown 4 27%