| Autor: |
Klobučar I; Department of Cardiology, Sisters of Charity University Hospital Centre, 10000 Zagreb, Croatia., Vidović L; Department of Medicine, Sisters of Charity University Hospital Centre, 10000 Zagreb, Croatia., Arih I; School of Medicine, University of Zagreb, 10000 Zagreb, Croatia., Lechleitner M; Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria., Pregartner G; Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, 8036 Graz, Austria., Berghold A; Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, 8036 Graz, Austria., Habisch H; Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria., Madl T; Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria.; BioTechMed-Graz, 8010 Graz, Austria., Frank S; Gottfried Schatz Research Center, Molecular Biology and Biochemistry, Medical University of Graz, 8010 Graz, Austria.; BioTechMed-Graz, 8010 Graz, Austria., Degoricija V; Department of Medicine, Sisters of Charity University Hospital Centre, 10000 Zagreb, Croatia.; School of Medicine, University of Zagreb, 10000 Zagreb, Croatia. |
| Abstrakt: |
Considering the relationship between disease severity and the extent of metabolic derangement in heart failure, we hypothesized that the serum levels of metabolites may have prognostic value for 1-year mortality in acute heart failure (AHF). The AHF study was a prospective, observational study enrolling consecutive patients hospitalized due to AHF. Metabolites were measured in serum collected at admission using NMR spectroscopy. Out of 315 AHF patients, 118 (37.5%) died within 1 year after hospitalization for AHF. The serum levels of 8 out of 49 identified metabolites were significantly different between patients who were alive and those who died within 1 year after hospitalization for AHF. Of these, only valine was significantly associated with 1-year mortality (hazard ratio 0.73 per 1 standard deviation increase, 95% confidence interval: 0.59-0.90, p = 0.003) in the multivariable Cox regression analyses. Kaplan-Maier analysis showed significantly higher survival rates in AHF patients with valine levels above the median (>279.2 µmol/L) compared to those with valine levels ≤ 279.2 µmol/L. In a receiver operating characteristics curve analysis, valine was able to discriminate between the two groups with an area under the curve of 0.65 (95% CI 0.59-0.72). We conclude that valine serum levels might be of prognostic value in AHF. |
