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Title: Pre-hospital statin therapy may not reduce incidence of all-cause mortality and overall MACCE during hospital stay after coronary artery bypass graft surgery
Author(s): M. Zhang, J-P. Kang, S.-P. Nie, Q. LV, X.-H. Liu, C.-S. Ma
Journal: Acta Cardiologica
Volume: 64 Issue: 2 Date: 2009
Background — The available literature has not been able to demonstrate the exact association between preoperative statin therapy and the reduction in the rates of major adverse cardiac and cerebrovascular events (MACCE). The aim of this study is to explore these unanswered questions.
Methods — A review of patients having CABG surgery between June 2003 and September 2005 (n = 2013) was performed at Beijing Anzhen Hospital of the Capital University of Medical Science The preoperative demographic, morbidity and co-morbidity variability and the preoperative medications were compared between two groups: group I, on statins, n = 904; group II, not on statins, n = 1109. A Cox proportional hazard analysis was performed to determine the independent risk-reducing association with outcome variability after CABG surgery.
Results — Our study demonstrated that pre-hospital statins therapy did not reduce the risk of allcause mortality or overall MACCE during hospital stay (1.7% versus 2.4%, respectively, P > 0.05; 4.4% versus 4.5%; P > 0.05, respectively). Compared with patients not receiving statin therapy, the hazard ratio for all-cause mortality during hospital stay was 0.696 (95% CI, 0.394-1.231, P = 0.213). The significant predictors of mortality during follow-up are age, triple-vessel CAD and blood creatinine (Cr) level.
Conclusions — Pre-hospital statin therapy did not reduce the risk of mortality or the rates of MACCE during in hospital stay after CABG surgery.