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Iron pre-load for major joint replacement

C M Andrews1, D W Lane, J G Bradley

  • 1Scarborough Hospital, North Yorkshire, UK.

Transfusion Medicine (Oxford, England)
|March 25, 1998
PubMed
Summary
This summary is machine-generated.

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Preoperative oral iron supplements significantly benefit patients undergoing hip or knee replacement. Iron supplementation reduces post-operative anemia and may lower blood transfusion needs in surgical patients.

Area of Science:

  • Orthopedic Surgery
  • Hematology
  • Anesthesiology

Background:

  • Total hip or knee replacement patients often require blood transfusions.
  • Homologous blood transfusions carry risks, necessitating strategies to minimize their use.
  • Optimizing patient hemoglobin and iron stores preoperatively is crucial.

Purpose of the Study:

  • To investigate the efficacy of preoperative oral iron supplementation in improving hemoglobin concentration and iron stores before hip or knee replacement surgery.
  • To assess the impact of iron supplementation on postoperative hemoglobin levels and potential reduction in transfusion requirements.

Main Methods:

  • Patients attending a preadmission clinic 4 weeks prior to surgery had hemoglobin measured.
  • Anemic patients (Hb < 12 g/dL) received a 4-week course of ferrous sulfate.

Related Experiment Videos

  • Patients with Hb ≥ 12 g/dL were randomized to a control group or received iron supplementation.

    • Main Results:

    • 18% of patients were anemic (Hb < 12 g/dL) and showed a significant Hb increase (1.1 g/dL) with iron treatment.
    • Mean cell volume (MCV) was a predictor of response to iron therapy.
    • Patients receiving iron supplements experienced a smaller postoperative Hb drop (0.4 g/dL) compared to the control group (1.3 g/dL).

    Conclusions:

    • A significant proportion of patients undergoing hip or knee replacement are anemic and benefit from preoperative iron.
    • Even in non-anemic patients, preoperative iron supplementation mitigates postoperative hemoglobin decline.
    • Oral iron supplements show promise in reducing transfusion needs in surgical patients.