Clinical value of uric acid-to-albumin ratio on prognosis of patients with heart failure
Objective To investigate the clinical value of uric acid(UA)to albumin(Alb)ratio(UAR)in predicting the prognosis of the patients with heart failure.Methods A total of 1 893 patients with heart failure and complete clinical data in the Chinese Heart Failure Database were selected as the clinical research subjects for conducting the retrospective cohort analysis.The general clinical data,coagulation routine,tropo-nin Ⅰ(cTnⅠ),cardiac enzyme profile,liver function,B-type brain natriuretic peptide(BNP),uric acid(UA)and left ventricular ejection fraction in echocardiography in the study subjects were collected to calculate UAR.Ac-cording to the receiver operating characteristic(ROC)curve,the optimal cut-off value of UAR was selected as 17.48.Then the subjects were divided into the low UAR group(UAR＜17.48,n=1 525)and high UAR group(UAR≥17.48,n=368).The clinical data were compared between the two groups,and the effect of UAR on the all-cause mortality in the patients with heart failure was evaluated by the binary logistic regres-sion analysis.Results The follow up time in the patients was 90 d,and 37 cases(2.0％)of all-cause death oc-curred during the follow up period.The proportion of males,proportion of cardiac function grade Ⅳ,propor-tion of myocardial infarction,levels of uric acid,D-dimer,creatine kinase(CK),creatine kinase isoenzyme(CK-MB),lactate dehydrogenase(LDH),alanine aminotransferase(ALT),glutamyl transpeptidase(GGT),alkaline phosphatase(AKP)and BNP in the high UAR group were higher than those in the low UAR group,while the pulse,systolic pressure,diastolic pressure,proportions of heart function grade Ⅱ and grade Ⅲ and ALB level were lower than those in the UAR group,and the differences were statistically significant(P＜0.05).The ROC curve analysis results showed that the area under the curve of UAR for assessing the all-cause death occurrence in heart failure was 0.715(95％CI:0.626-0.804,P＜0.001),the sensitivity was 56.8％and the specificity was 81.4％;the binary logistic regression analysis results showed that the incidence rate of all-cause mortality in the high UAR group was 1.09 times higher than that in the low UAR group(OR=1.09,95％CI:1.02-1.20,P=0.017).Conclusion UAR could serve as an independent predictive fac-tor of all-cause death occurrence in heart failure,which needs clinic to pay attention.
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