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Red Cell Distribution Width as a Marker of Periprocedural Myocardial Infarction in Patients with Elective
Chunfeng Dai1, Zhangwei Chen1, Juying Qian2
1Department of Cardiology, Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
Abstract:
We aimed to investigate whether red cell distribution width (RDW) was associated with periprocedural myocardial infarction (PMI) in patients undergoing elective percutaneous coronary intervention (PCI). Among 1723 consecutive patients undergoing elective PCI, a total of 230 (13.3%) met the diagnostic criteria of PMI. The high RDW (≥ 12.6%) group tended to have PMI (15.4% vs. 11.2%, P = 0.010). RDW was an independent predictor of PMI whether as a categorical variable (adjusted odds ratio = 1.442, 95% confidence interval = 1.088 to 1.911, P = 0.011) or a continuous variable (adjusted odds ratio = 1.236, 95% confidence interval = 1.079 to 1.415, P = 0.002). High RDW was also significantly associated with increased risk of major adverse cardiovascular events (MACE) during follow-up. However, anemia was not independently associated with PMI or MACE in the current study. In conclusion, RDW showed strong and independent association with PMI in patients undergoing elective PCI.
