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      Cardiothoracic Ratio, Malnutrition, Inflammation, and Two-Year Mortality in Non-Diabetic Patients on Maintenance Hemodialysis

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          Background/Aims: Cardiothoracic ratio (CTR) is associated with left ventricular mass, left ventricular systolic dysfunction and mortality in patients with hypertension or chronic cardiovascular disease. The clinical significance of CTR in non-diabetic maintenance hemodialysis (MHD) patients remains unclear. Methods: 468 non-diabetic MHD patients were enrolled. Geographic, hematological, biochemical and dialysis-related data were obtained. The patients were analyzed for nutritional and inflammatory markers as well as CTR. All patients were followed up for 2 years to investigate the risks for mortality. Results: Chi-square analysis showed that the incidence of malnutrition and inflammation was significantly higher in patients with CTR >60% than in patients with CTR ≤60%. CTR positively correlated with high-sensitivity C-reactive protein (hsCRP) levels but negatively correlated with albumin levels. 29 patients (6.2%) had expired by the end of the study. Cox multivariate analysis revealed that CTR significantly predicts both all-cause and cardiovascular-cause 2-year mortality in non-diabetic MHD patients. Conclusion: CTR is an indicator of inflammation and nutritional status in non-diabetic MHD patients and can predict 2-year mortality in these patients. The analytical results of this study support continued efforts to reduce CTR and treat underlying causes in patients with CTR >50%.

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                Author and article information

                Kidney Blood Press Res
                Kidney and Blood Pressure Research
                S. Karger AG
                July 2008
                21 April 2008
                : 31
                : 3
                : 143-151
                Department of Nephrology, Chang Gung Memorial Hospital, and Chang Gung University, School of Medicine, Taoyuan, Taiwan, ROC
                127388 Kidney Blood Press Res 2008;31:143–151
                © 2008 S. Karger AG, Basel

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                Page count
                Tables: 9, References: 34, Pages: 9
                Original Paper


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