Polyglucoferron Compared to i.v. Ferric Carboxymaltose and Oral Iron Substitution in Preoperative Treatment of Iron Deficiency Anaemia in Patients

Patients with IDA and for whom fast replenishment of iron stores is necessary, e.g. if its not appropriated to postpone surgery, will be identified within 28 to 42 days before surgery. Patients will be randomised to receive either Polyglucoferron intravenously (i.v.), Ferric Carboxymaltose i.v. or oral iron substitution with Ferrous sulfate.