This is a presentation from Medscape Nephrology. A free registration is required to listen to the presentation and download the PowerPoint file.

The bottom line:

• Iron deficiency is one of the causes of erythropoetin resistance.
• IV iron is superior to oral iron in managing anemia in hemodialysis, peritoneal dialysis, and CKD patients.
• IV iron sucrose is safe
  and may be given up to 500 mg IV over 4 hours during an outpatient visit.

Update 3/28/2007:

FDA added a black box warning to the labels of all currently available Erythropoiesis Stimulating Agents (ESAs). Source: ASN.

References:
Iron in patients with chronic kidney disease. From Medscape Nephrology, Posted 07/27/2006.
Image source: Wikipedia

Original post by Clinical Cases