NYMC Faculty Publications

Clearance of FGF-23 During Continuous Renal Replacement Therapy

Journal Title

Hemodialysis International.International Symposium on Home Hemodialysis

First Page

366

Last Page

368

Document Type

Letter to the Editor

Publication Date

July 2019

Department

Medicine

Abstract

FGF-23 is a 32 kDa protein that is a key regulator of phosphorus and vitamin D metabolism. Emerging evidence also demonstrates that FGF-23 increases within 24 hours of acute kidney injury (AKI) and may be associated with adverse clinical outcomes. We conducted this study to evaluate FGF23 clearance during continuous veno-venous hemofiltration (CVVH) in critically ill patients with AKI. We demonstrate that plasma clearance of FGF-23 during CVVH is approximately 11 mL/min and the mean sieving coefficient is 0.27 +/- 0.1. Future studies will need to clarify FGF-23's role in adverse outcomes among AKI patients, and whether therapies aimed at reducing FGF-23 levels may be beneficial.

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