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Title: Women experience a better long-term immune recovery and a better survival on HAART in Lao People's Democratic Republic
Authors: Bastard, M
Soulinphumy, K
Phimmasone, P
Saadani, AH
Ciaffi, L
Communier, A
Phimphachanh, C
Ecochard, R
Etard, JF
Keywords: ACTIVE ANTIRETROVIRAL THERAPY
HIV-INFECTED PATIENTS
RESOURCE-POOR SETTINGS
LOWER-INCOME COUNTRIES
SUB-SAHARAN AFRICA
HIV-1-INFECTED PATIENTS
OBSERVATIONAL DATABASE
EARLY MORTALITY
SCALING-UP
Issue Date: 2013
Publisher: BMC INFECT DIS
Citation: BMC Infect. Dis.;22-Jan;2013;13;
Abstract: Background: In April 2003, Medecins Sans Frontieres launched an HIV/AIDS programme to provide free HAART to HIV-infected patients in Laos. Although HIV prevalence is estimated as low in this country, it has been increasing in the last years. This work reports the first results of an observational cohort study and it aims to identify the principal determinants of the CD4 cells evolution and to assess mortality among patients on HAART. Methods: We performed a retrospective database analysis on patients initiated on HAART between 2003 and 2009 (CD4<200cells/mu L or WHO stage 4). We excluded from the analysis patients who were less than 16 years old and pregnant women. To explore the determinants of the CD4 reconstitution, a linear mixed model was adjusted. To identify typical trajectories of the CD4 cells, a latent trajectory analysis was carried out. Finally, a Cox proportional-hazards model was used to reveal predictors of mortality on HAART including appointment delay greater than 1 day. Results: A total of 1365 patients entered the programme and 913 (66.9%) received an HAART with a median CD4 of 49 cells/mu L [IQR 15-148]. High baseline CD4 cell count and female gender were associated with a higher CD4 level over time. In addition, this gender difference increased over time. Two typical latent CD4 trajectories were revealed showing that 31% of women against 22% of men followed a high CD4 trajectory. In the long-term, women were more likely to attend appointments without delay. Mortality reached 6.2% (95% CI 4.8-8.0%) at 4 months and 9.1% (95% CI 7.3-11.3%) at 1 year. Female gender (HR=0.17, 95% CI 0.07-0.44) and high CD4 trajectory (HR=0.19, 95% CI 0.08-0.47) were independently associated with a lower death rate. Conclusions: Patients who initiated HAART were severely immunocompromised yielding to a high early mortality. In the long-term on HAART, women achieved a better CD4 cells reconstitution than men and were less likely to die. This study highlights important differences between men and women regarding response to HAART and medical care, and questions men's compliance to treatment.
URI: http://hdl.handle.net/11267/2331
ISSN: 1471-2334

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