Title
Impact of HIV-1 infection on the hematological recovery after clinical malaria Impact of HIV-1 infection on the hematological recovery after clinical malaria
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Philadelphia, Pa ,
Subject
Human medicine
Source (journal)
JAIDS. - Philadelphia, Pa
Volume/pages
50(2009) :2 , p. 200-205
ISSN
1525-4135
ISI
000262878700012
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Background: Anemia is the most frequent cytopenia in HIV-infected individuals and is often associated with malaria. Objective: To assess the impact of HIV-1 on the hematological recovery after a clinical malaria episode. Methods: In Ndola, Zambia, a region with high malaria and HIV prevalence, hemoglobin (Hb) was measured in 634 malaria patients 14 and 45 days after antimalarial treatment. Risk factors for hematological recovery were analyzed in a multivariate linear regression model. Results: At enrollment, HIV-1-infected malaria patients had lower Hb compared with HIV-1 uninfected (122.7 vs 136.0 g/L; P < 0.001). In both groups, mean Hb was significantly lower at day 14 posttreatment than day 0 (P < 0.0001) and significantly higher at day 45 than at day 14 (HIV-1 negative: P = 0.0001; HIV-1 infected: P = 0.005). HIV-1 was a risk factor for a larger Hb decrease until day 14 (P < 0.001) and slower recovery until day 45 (P = 0.048). When considering the whole 45-day follow-up period, mean Hb increased in the HIV-1-negative group (+3.54 g/L; 95% confidence interval: 1.37 to 5.70; P = 0.001) but not in the HIV-1-infected group (-0.72 g/L; 95% confidence interval: -3.85 to +2.40; P = 0.64). HIV-1 infection as such (P < 0.0001), not CD4 cell count (P = 0.46), was an independent risk factor for a slower hematological recovery. Conclusions: HIV-1-infected malaria patients had a slower hematological recovery after successful parasite clearance. Malaria preventive measures should be targeted to this high-risk group.
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