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Prognostic implication of macrocytosis on adverse outcomes after coronary intervention.
MedLine Citation:
PMID:  22222418     Owner:  NLM     Status:  Publisher    
BACKGROUND: Macrocytosis, as a qualitative abnormality of erythrocytes, has not drawn attention as a prognostic indicator after PCI, while anemia, as a quantitative abnormality of erythrocytes, has been recognized as a predictor of adverse outcomes. The aim of this study was to perform prognostic risk stratification of patients after PCI based on the presence or absence of macrocytosis. METHODS: The clinical records of 941 consecutive patients who underwent PCI at a single institution were retrospectively reviewed. The prognostic implication of macrocytosis was evaluated by univariate and multivariate Cox's proportional hazard regression analysis. RESULTS: There were 130 (13.8%) patients with macrocytosis. A significantly higher all-cause and cardiac mortality, as well as incidence of composite adverse events were observed in the Macrocytic group. Kaplan-Meier analysis also showed a significantly poorer overall survival in patients with macrocytosis. Even after exclusion of anemic patients, this tendency was still observed. Furthermore, macrocytosis was significantly and independently associated with adverse outcomes after PCI (aHR of cardiac death: 3.45, 95%CI: 1.22-9.80, P=0.019). Interestingly, fewer patients with macrocytosis were prescribed statins compared with those without it (33.8% vs. 47.1%, P=0.005). CONCLUSIONS: The results of the study indicate that measuring mean corpuscular volume (MCV) as a qualitative index of erythrocytes might be helpful for a prognostic risk stratification of patients subjected to PCI.
Masahiro Myojo; Hiroshi Iwata; Takahide Kohro; Hiroki Sato; Arihiro Kiyosue; Jiro Ando; Daigo Sawaki; Masao Takahashi; Hideo Fujita; Yasunobu Hirata; Ryozo Nagai
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-12-16
Journal Detail:
Title:  Atherosclerosis     Volume:  -     ISSN:  1879-1484     ISO Abbreviation:  -     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2012-1-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0242543     Medline TA:  Atherosclerosis     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ireland Ltd. All rights reserved.
Department of Cardiovascular Medicine, The University of Tokyo, Graduate School of Medicine, Tokyo 113-8655, Japan.
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