In patients with CKD, the development of metabolic bone disease involves a complex interaction of phosphate, calcium, and PTH. As such, serial assessments of all three parameters are recommended in patients with CKD stage G3a-G5D to guide treatment. According to the KDIGO guidelines, reasonable monitoring intervals are as follows:
CKD G3a-G3b – Serum phosphate and calcium, every 6-12 months; PTH, based on baseline level and CKD progression
CKD G4 – Serum phosphate and calcium, every 3-6 months; PTH, every 6-12 months
CKD G5, including G5D – Serum phosphate and calcium, every 1-3 months; PTH, every 3-6 months
Learn more about monitoring for complications in patients with CKD.
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Cite this: A. Brent Alper. Fast Five Quiz: Chronic Kidney Disease (CKD) Hyperphosphatemia - Medscape - Apr 26, 2021.