Back to Search
Start Over
Circulating angiopoietin-like protein 2 levels and mortality risk in patients receiving maintenance hemodialysis: a prospective cohort study.
- Source :
- Nephrology Dialysis Transplantation; May2020, Vol. 35 Issue 5, p854-860, 7p, 4 Charts, 2 Graphs
- Publication Year :
- 2020
-
Abstract
- Background Patients undergoing hemodialysis treatment have a poor prognosis, as many develop premature aging. Systemic inflammatory conditions often underlie premature aging phenotypes in uremic patients. We investigated whether angiopoietin-like protein 2 (ANGPTL 2), a factor that accelerates the progression of aging-related and noninfectious inflammatory diseases, was associated with increased mortality risk in hemodialysis patients. Methods We conducted a multicenter prospective cohort study of 412 patients receiving maintenance hemodialysis and evaluated the relationship between circulating ANGPTL2 levels and the risk for all-cause mortality. Circulating ANGPTL2 levels were log-transformed to correct for skewed distribution and analyzed as a continuous variable. Results Of 412 patients, 395 were included for statistical analysis. Time-to-event data analysis showed high circulating ANGPTL2 levels were associated with an increased risk for all-cause mortality after adjustment for age, sex, hemodialysis vintage, nutritional status, metabolic parameters and circulating high-sensitivity C-reactive protein levels {hazard ratio [HR] 2.04 [95% confidence interval (CI) 1.10–3.77]}. High circulating ANGPTL2 levels were also strongly associated with an increased mortality risk, particularly in patients with a relatively benign prognostic profile [HR 3.06 (95% CI 1.86–5.03)]. Furthermore, the relationship between circulating ANGPTL2 levels and mortality risk was particularly strong in patients showing few aging-related phenotypes, such as younger patients [HR 7.99 (95% CI 3.55–18.01)], patients with a short hemodialysis vintage [HR 3.99 (95% CI 2.85–5.58)] and nondiabetic patients [HR 5.15 (95% CI 3.19–8.32)]. Conclusion We conclude that circulating ANGPTL2 levels are positively associated with mortality risk in patients receiving maintenance hemodialysis and that ANGPTL2 could be a unique marker for the progression of premature aging and subsequent mortality risk in uremic patients, except those with significant aging-related phenotypes. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09310509
- Volume :
- 35
- Issue :
- 5
- Database :
- Complementary Index
- Journal :
- Nephrology Dialysis Transplantation
- Publication Type :
- Academic Journal
- Accession number :
- 143100340
- Full Text :
- https://doi.org/10.1093/ndt/gfz236