Long term prognosis of acute coronary syndrome with chronic renal dysfunction treated in different therapy units at department of cardiology: a retrospective cohort study.
2015
Coronary care unit is common in hospitals and clinical centers which offer intensive care and therapy for severe coronary artery disease patients. However, if coronary care unit could improve the long term prognosis of acute coronary syndrome patients with renal dysfunction remain unknown. Accordingly, we designed this study to evaluate the differences of incidence of major adverse cardiovascular events for acute coronary syndromes patients with renal dysfunction who treated in coronary care unit or normal unit. The primary end point was all cause mortality. A total of 414 acute coronary syndromes patients with renal dysfunction involved in the study. The results showed that during 12-48 months follow-up, death of any cause occurred in 1.8% patients (4 of 247) in coronary care unit group, as compared with 1.8% in the normal group (3 of 167) (hazard ratio, 1.098; 95% confidence interval, 0.246 to 4.904; P=0.903). Kaplan-Meier survival analysis showed that there were no significant differences between the two groups with respect to the risk of death (P=0.903), revascularization (P=0.948), stroke (P=0.542), heart failure (P=0.198). This trial firstly revealed that acute coronary syndromes patients with renal dysfunction treated in coronary care unit and normal units. Our study showed that acute coronary syndromes patients with renal dysfunction treated in coronary care unit obtained no significant benefits compared with patients in normal units, although there was a declining tendency of the risk of major adverse cardiovascular effectswith patients in coronary care unit.
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