Journal of acquired immune deficiency syndromes (1999) · 2002
Clinical and biological evolution of HIV-1 seroconverters in Abidjan, Côte d'Ivoire, 1997-2000.
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Salamon Roger, Marimoutou Catherine, Ekra Daniel, Minga Albert, Nerrienet Eric, Huët Catherine, Gourvellec Gwenola, Bonard Dominique, Coulibaly Issouf, Combe Patrice, Dabis François, Bondurand Alain, Montagnier Luc
Аннотация
OBJECTIVE: To describe the clinical and biologic evolution of HIV-1 infection in Africa.
METHODS: One hundred four HIV-1-infected individuals were identified prospectively from regular blood donors in Abidjan, Côte d'Ivoire. The date of seroconversion was estimated from results of sequential serologic tests. Biologic and clinical follow-up was performed every 6 months, starting as early as possible after seroconversion. Case management followed national guidelines.
RESULTS: The median interval between estimated seroconversion and study inclusion was 9.7 months, and the median window of seroconversion was 2.8 months. At baseline, all but two patients were asymptomatic; the median CD4 + cell count was 527/mm 3 (interquartile range [IR], 395-684), and the median plasma HIV RNA level was 4.6 log 10 copies/ml (IR, 3.8-4.9). The median follow-up was 23.9 months, and 95% of the patients received primary prophylaxis with co-trimoxazole for opportunistic infections. Of the patients, 1 presented with wasting syndrome, 3 developed tuberculosis, and 17 had a Centers for Disease Control and Prevention category B-defining event. The 3-year AIDS-free and symptom-free probabilities were 96.7% (95% confidence interval [CI], 87.0-99.2] and 79.3% (95% CI, 67.5-87.2), respectively. During the first 3 years of follow-up, we observed that the median plasma viral load stabilized at >4 log 10 copies/ml and that the median CD4 + cell count declined by 20 to 25/mm 3 per year.
CONCLUSION: These African seroconverters were moderately immunosuppressed. The median HIV RNA level was high and varied very little during the first 3 years, and there were few clinical events.
METHODS: One hundred four HIV-1-infected individuals were identified prospectively from regular blood donors in Abidjan, Côte d'Ivoire. The date of seroconversion was estimated from results of sequential serologic tests. Biologic and clinical follow-up was performed every 6 months, starting as early as possible after seroconversion. Case management followed national guidelines.
RESULTS: The median interval between estimated seroconversion and study inclusion was 9.7 months, and the median window of seroconversion was 2.8 months. At baseline, all but two patients were asymptomatic; the median CD4 + cell count was 527/mm 3 (interquartile range [IR], 395-684), and the median plasma HIV RNA level was 4.6 log 10 copies/ml (IR, 3.8-4.9). The median follow-up was 23.9 months, and 95% of the patients received primary prophylaxis with co-trimoxazole for opportunistic infections. Of the patients, 1 presented with wasting syndrome, 3 developed tuberculosis, and 17 had a Centers for Disease Control and Prevention category B-defining event. The 3-year AIDS-free and symptom-free probabilities were 96.7% (95% confidence interval [CI], 87.0-99.2] and 79.3% (95% CI, 67.5-87.2), respectively. During the first 3 years of follow-up, we observed that the median plasma viral load stabilized at >4 log 10 copies/ml and that the median CD4 + cell count declined by 20 to 25/mm 3 per year.
CONCLUSION: These African seroconverters were moderately immunosuppressed. The median HIV RNA level was high and varied very little during the first 3 years, and there were few clinical events.