Jin Liu1, Guoli Sun2, Yibo He1, Feier Song1, Shiqun Chen1,3, Zhaodong Guo1, Bowen Liu2, Li Lei4, Lihao He1, Jiyan Chen1,2,3, Ning Tan1,2,3, Yong Liu1,2. 1. Department of Cardiology, Provincial Key Laboratory of Coronary Heart Disease, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China. 2. Guangdong Provincial People's Hospital, Affiliated with South China University of Technology, Guangzhou 510080, China. 3. Guangdong General Hospital Zhuhai Hospital, Guangdong Academy of Medical Sciences, Zhuhai 519000, China. 4. The Second School of Clinical Medicine, Southern Medical University, Guangzhou 510080, China.
Abstract
BACKGROUND: Contrast-induced acute kidney injury (CI-AKI) is a common complication of coronary angiography (CAG), which is associated with worse prognosis. Some studies indicated β-blockers could preserve renal function among patients with acute myocardial infarction (AMI), but the relationship between β-blockers and CI-AKI has not been well documented among patients with AMI who were undergoing CAG or percutaneous coronary intervention (PCI). METHODS: In this prospective, observational study, 1,309 AMI patients who were undergoing CAG or PCI were consecutively recruited between January 2010 and December 2013. Patients were assigned into β-blockers group (n=1,074) or non-β-blockers group (n=235) according to use or non-use of β-blockers (including metoprolol tartrate/metoprolol succinate/Bisoprolol Fumarate) within 24 hours of perioperative period. CI-AKI was defined as an absolute increase of >0.5 mg/dL from baseline serum creatinine (SCr) within 48-72 hours after contrast medium (CM) exposure. RESULTS: The overall incidence of CI-AKI was 247/1,309 (18.9%).After multivariate adjusting, a total of 10 variables were related to CI-AKI, including β-blockers [β-blockers group vs. non-β-blockers group: odds ratio (OR) =0.520; 95% confidence interval (CI), 0.291-0.930; P=0.027], age, diabetes mellitus, estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m2, left ventricular ejection fraction (LVEF) <40%, use of intra-aortic balloon pump (IABP), peri-hypotension, emergent PCI, coronary lesions and CM dose >200 mL. During the mean follow-up of 2.35±0.99 years, the β-blockers group was significantly associated with lower rates of mortality [β-blockers group vs. non-β-blockers group: adjusted hazard ratio (HR) =0.43; 95% CI, 0.27-0.71; P=0.001] among patients with AMI. CONCLUSIONS: Use of β-blockers within 24 hours of perioperative period may be associated with lower rates of CI-AKI and long-term mortality among patients with AMI who are undergoing CAG or PCI. TRIAL REGISTRATION: PRECOMIN, ClinicalTrials.gov NCT01400295.
BACKGROUND: Contrast-induced acute kidney injury (CI-AKI) is a common complication of coronary angiography (CAG), which is associated with worse prognosis. Some studies indicated β-blockers could preserve renal function among patients with acute myocardial infarction (AMI), but the relationship between β-blockers and CI-AKI has not been well documented among patients with AMI who were undergoing CAG or percutaneous coronary intervention (PCI). METHODS: In this prospective, observational study, 1,309 AMI patients who were undergoing CAG or PCI were consecutively recruited between January 2010 and December 2013. Patients were assigned into β-blockers group (n=1,074) or non-β-blockers group (n=235) according to use or non-use of β-blockers (including metoprolol tartrate/metoprolol succinate/Bisoprolol Fumarate) within 24 hours of perioperative period. CI-AKI was defined as an absolute increase of >0.5 mg/dL from baseline serum creatinine (SCr) within 48-72 hours after contrast medium (CM) exposure. RESULTS: The overall incidence of CI-AKI was 247/1,309 (18.9%).After multivariate adjusting, a total of 10 variables were related to CI-AKI, including β-blockers [β-blockers group vs. non-β-blockers group: odds ratio (OR) =0.520; 95% confidence interval (CI), 0.291-0.930; P=0.027], age, diabetes mellitus, estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m2, left ventricular ejection fraction (LVEF) <40%, use of intra-aortic balloon pump (IABP), peri-hypotension, emergent PCI, coronary lesions and CM dose >200 mL. During the mean follow-up of 2.35±0.99 years, the β-blockers group was significantly associated with lower rates of mortality [β-blockers group vs. non-β-blockers group: adjusted hazard ratio (HR) =0.43; 95% CI, 0.27-0.71; P=0.001] among patients with AMI. CONCLUSIONS: Use of β-blockers within 24 hours of perioperative period may be associated with lower rates of CI-AKI and long-term mortality among patients with AMI who are undergoing CAG or PCI. TRIAL REGISTRATION: PRECOMIN, ClinicalTrials.gov NCT01400295.
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