期刊
CLINICAL INFECTIOUS DISEASES
卷 42, 期 9, 页码 1333-1339出版社
UNIV CHICAGO PRESS
DOI: 10.1086/503258
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资金
- FIC NIH HHS [D43-TW00007] Funding Source: Medline
- NCI NIH HHS [CA 86795] Funding Source: Medline
- NIAID NIH HHS [AI-33873, AI-38518, AI-43844] Funding Source: Medline
- PHS HHS [A1-35173-119] Funding Source: Medline
Background. There is limited information on the natural history of human immunodeficiency virus type 1 (HIV-1) infection in Africa, especially from individuals with well-defined dates of infection. We used data from a prospective cohort study of female sex workers in Mombasa, Kenya, who were followed up monthly from before the date of HIV-1 infection. Methods. Antiretroviral-naive women who had a well-defined date of HIV-1 infection were included in this analysis. The effects of set point plasma viral load ( measured 4-24 months after infection), early CD4(+) cell count, and symptoms of acute HIV-1 infection on mortality were assessed using Cox proportional hazards analysis. Results. Among 218 women, the median duration of follow-up after HIV-1 infection was 4.6 years. Forty women died, and at 8.7 years ( the time of the last death), the cumulative survival rate was 51% by Kaplan-Meier analysis. Higher set point viral load, lower early CD4(+) cell count, and more-symptomatic acute HIV-1 illness each predicted death. In multivariate analysis, set point viral load ( hazard ratio [HR], 2.28 per 1 log 10 copies/mL increase; P = .001) and acute HIV-1 illness ( HR, 1.14 per each additional symptom; P = .05) were independently associated with higher mortality. Conclusion. Among this group of African women, the survival rate was similar to that for HIV-1-infected individuals in industrialized nations before the introduction of combination antiretroviral therapy. Higher set point viral load and more-severe acute HIV-1 illness predicted faster progression to death. Early identification of individuals at risk for rapid disease progression may allow closer clinical monitoring, including timely initiation of antiretroviral treatment.
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