Epidemiology of anaemia in CKD
The likelihood of anaemia occurring in CKD increases as renal function declines. All patients receiving haemodialysis therapy will require treatment for anaemia, and so too will almost all of those receiving peritoneal dialysis (the difference accounted for by haemodialysis exposing the patient to a greater inflammatory state, and also regular minor blood losses). Below a glomerular filtration rate (GFR) of 45 ml/min, erythropoietin secretion by the kidney declines and when patients enter stage 4 CKD (eGFR < 30 ml/min), around 30–40% will be anaemic.
Aetiology of anaemia in CKD
Figure 1. Factors contributi