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An algorithm using reticulocyte hemoglobin content (CHr) measurement in screening adolescents for iron deficiency
Nava Stoffman1, Carlo Brugnara, Elizabeth R Woods
1Division of Adolescent/Young Adult Medicine, Department of Medicine, Children's Hospital Boston, Harvard Medical School, Boston, Massachusetts 02115, USA
Summary
Integrating reticulocyte hemoglobin content (CHr) into screening improves iron deficiency anemia detection in adolescents. This new algorithm aids early diagnosis and treatment without costly additional tests.
Area of Science:
- Hematology
- Adolescent Medicine
- Nutritional Deficiencies
Background:
- Iron deficiency anemia is a common concern in adolescents.
- Screening complete blood count (CBC) has limitations in early iron deficiency detection.
- Reticulocyte hemoglobin content (CHr) is a novel hematologic parameter.
Purpose of the Study:
- To assess if an algorithm incorporating CHr improves the detection of iron deficiency and iron deficiency anemia in healthy adolescents.
- To evaluate the diagnostic utility of CHr compared to traditional CBC parameters.
Main Methods:
- A prospective study in an adolescent clinic utilizing an algorithm with CHr and CBC.
- Review of hematological test results over an 8-month period.
- Analysis of patient records for low hematocrit, low mean cell volume (MCV), and low CHr.
Main Results:
- Anemia detected in 16.5% of 381 adolescents; low CHr in 21%.
- A normal CHr ruled out iron deficiency as the cause of anemia in 68% of cases.
- Low CHr identified early iron deficiency in 19% of patients with normal hematocrit and suggested different management in 27% of cases.
Conclusions:
- An algorithm including CHr enhances the accuracy of iron deficiency anemia screening in adolescents.
- Early detection and treatment of iron deficiency are facilitated by CHr.
- CHr offers a cost-effective method for diagnosing iron deficiency without further expensive tests.