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[Method for determining the amount of blood loss using the storage iron decrease rate as obtained from serum ferritin
1Division of Haematology, Department of Internal Medicine, Kawamura Hospital.
[Rinsho Ketsueki] the Japanese Journal of Clinical Hematology
|December 22, 2004
Summary
A new method quantifies blood loss by tracking iron levels after treatment. This storage iron decrease rate (SID) calculation helps determine daily blood loss in patients with iron deficiency anemia.
Area of Science:
- Hematology
- Clinical Chemistry
Background:
- Iron deficiency anemia is often caused by chronic intestinal blood loss.
- Accurate quantification of blood loss is crucial for managing this condition.
Observation:
- Serum ferritin levels were monitored after intravenous iron therapy in a patient with iron deficiency anemia.
- The storage iron decrease rate (SID) was calculated using injected iron, hemoglobin changes, and time.
Findings:
- The study introduced a novel method using the storage iron decrease rate (SID) to quantify blood loss.
- This method, applied to a patient, estimated blood loss at 29 ml/day.
- The SID method was validated in 12 additional patients with chronic blood loss.
Implications:
- This new method offers a reliable way to measure blood loss in patients with iron deficiency anemia.
- It can be applied to various cases of chronic blood loss, aiding clinical management.
- The SID calculation provides a valuable tool for understanding and treating iron loss.