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Iron status following trauma, excluding burns
D S Walsh1, K Pattanapanyasat, P Lamchiagdhase
1Division of Surgery, Walter Reed Army Institute of Research, Washington, DC, USA.
The British Journal of Surgery
|July 1, 1996
Summary
Trauma patients experience significant drops in serum iron and transferrin saturation, a condition known as stress hypoferraemia. This iron metabolism alteration is independent of sepsis or injury severity.
Area of Science:
- Biochemistry
- Clinical Medicine
- Hematology
Background:
- Altered iron metabolism is a known response to severe illness or injury.
- Stress hypoferraemia, characterized by low serum iron, is a documented phenomenon in critical illness.
Purpose of the Study:
- To investigate temporal changes in iron metabolism markers in trauma patients.
- To determine if hypoferraemia in trauma is linked to specific clinical factors.
Main Methods:
- Serum iron, transferrin saturation, and total iron-binding capacity (TIBC) were measured over 13 days in 36 trauma patients.
- Iron metabolism markers were compared to control values and correlated with clinical data.
Main Results:
- Profound hypoferraemia and decreased transferrin saturation were observed throughout the study period.
- Total iron-binding capacity (TIBC) remained comparable to control levels.
- Hypoferraemia was not significantly associated with sepsis, Injury Severity Score, blood transfusion volume, or surgery.
Conclusions:
- Trauma induces a rapid and sustained period of iron sequestration, termed stress hypoferraemia.
- This iron dysregulation appears to be an independent event following trauma.
- Understanding stress hypoferraemia offers insights into the clinical status of trauma patients.