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Comparative Study
. 2000 Dec;54(12):872-7.
doi: 10.1038/sj.ejcn.1601106.

Assessment of iron status using plasma transferrin receptor in pregnant women with and without human immunodeficiency virus infection in Malawi

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Comparative Study

Assessment of iron status using plasma transferrin receptor in pregnant women with and without human immunodeficiency virus infection in Malawi

R D Semba et al. Eur J Clin Nutr. 2000 Dec.

Abstract

Background: Although anemia is highly prevalent during pregnancy and is common during human immunodeficiency virus (HIV) infection, anemia and iron status have not been well characterized in HIV-infected pregnant women.

Objective: To gain insight into iron status in HIV-infected pregnant women using plasma transferrin receptor and related indicators of anemia.

Study design: Plasma transferrin receptor, ferritin, alpha1-acid glycoprotein, C-reactive protein and hemoglobin concentrations were measured in pregnant women, gestational age 18-28 weeks, seen in an urban antenatal clinic in Blantyre, Malawi.

Results: The prevalence of anemia among 662 HIV-positive and 190 HIV-negative pregnant women was 73.1% and 50.0%, respectively (P<0.0001). Among HIV-positive and HIV-negative women, median plasma transferrin receptor concentrations were 24.4 and 24.1 nmol/l (P=0.5), respectively, and median plasma ferritin concentrations were 17.8 and 20.8 microg/l (P<0.05), respectively. There was a large overlap in plasma transferrin receptor concentrations among women with and without anemia. Using the combination of hemoglobin and ferritin as a standard, the sensitivity and specificity of plasma transferrin receptor in diagnosing iron deficiency anemia was estimated at 45.9% and 68.1%, respectively.

Conclusion: The use of plasma transferrin receptor concentrations as an indicator of iron deficiency anemia may be limited in pregnant women with chronic inflammation and infection.

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