Preoperative Intravenous Iron Treatment in Colorectal Cancer: Experience From Clinical Practice

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INTRODUCTION: Anemia is associated with increased postoperative morbidity and mortality in abdominal surgery. In clinical trials, preoperative i.v. iron treatment increases the preoperative hemoglobin (Hb) concentration but the effect on transfusion rates are not consistent. This study reports on the experience with preoperative i.v. iron treatment in surgical colorectal cancer (CRC) patients in clinical practice.

METHODS: A registry-based cohort study. Surgical colorectal cancer patients with iron deficiency anemia were compared after division into two groups; those who preoperatively received i.v. iron treatment and those who did not. Primary outcomes were preoperative changes in Hb and the difference in perioperative red blood cell transfusion (RBCT) rates. Postoperative complications and mortality rates were analyzed and a descriptive analysis on what triggered blood transfusions were performed.

RESULTS: A total of 170 patients were included. Of these, 122 had received preoperative i.v. iron treatment and 48 had not. The perioperative transfusion rate was 45% (55/122) in the treatment group and 40% (19/48) in the control group (non-significant difference). The preoperative changes in Hb levels were not different between the two groups. Transfusion practice appeared more liberal and preceded by higher Hb levels that was guided by the National transfusion guideline. I.v. iron treated patients had a higher rate of postoperative complications. No differences were found on length of stay (LOS) or postoperative mortality.

CONCLUSIONS: Preoperative i.v. iron treatment was neither associated with a rise in Hb concentrations at the time of surgery, nor with a reduction in the likelihood of receiving perioperative red blood cell transfusions (RBCT) in colorectal cancer (CRC) patients with iron deficiency anemia.

TidsskriftJournal of Surgical Research
Sider (fra-til)37-43
StatusUdgivet - sep. 2022

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Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.


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