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In this issue
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A French dialysis cohort study explored the factors associated with elevated serum FGF-23 levels in patients treated with long haemodialysis sessions (3 x 5–8 hours per week). This study demonstrated a high level of circulating FGF-23 in these patients, despite infrequent hyperphosphataemia. The authors further confirmed the association of higher serum FGF-23 levels with mortality and vascular calcification, regardless of the serum phosphate levels.
An accompanying editorial comment further scrutinizes these observations putting them into a broader perspective.
See article by Jean et al., pages 2792–2796 and editorial comment by Ketteler and Biggar, pages 2618–2620
Two clinical studies address the issue of preservation of residual renal function (RRF) in peritoneal dialysis (PD) patients. One study identified factors associated with renal