期刊
JAIDS-JOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES
卷 40, 期 3, 页码 288-293出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.qai.0000182847.38098.d1
关键词
CD4 cell counts; viral load; discordant; response to therapy; adherence
Objective: To examine the independent association of discordant virologic and immunologic responses to highly active antiretroviral therapy (HAART) with mortality. Methods: A population-based study of 1527 treatment-naive individuals initiating HAART used Cox proportional hazards modeling to determine the independent association of treatment response at 3 to 9 months with nonaccidental mortality. Logistic regression was used to examine associations with discordant responses. Results: Viral load (VL)(+)/CD4(-) discordant responses were seen in 235 (15.4%) of subjects, and VL-/CD4(+) responses were seen in 179 (11.7%) of subjects. In adjusted Cox regression models, discordant responses were found to be independently associated with an increased risk of mortality (VL+/CD4(-): relative hazard [RH] = 1.87, 95% confidence interval [Cl]: 1.15 to 3.04; VL-/CD4(+): RH = 2.47, 95% Cl: 1.54 to 3.95). VL+/CD4(-) discordance was found to be associated with increasing age, baseline HIV RNA load < 100,000 copies/mL, baseline CD4 counts < 50 cells/mu L, the use of lamivudine (3TC)/zidovudine (ZDV), and poor adherence to therapy VL-/CD4(+) discordance was associated with younger age; injection drug use; baseline HIV RNA load > 100,000 copies/mL; the use of 3TC/ZDV, didanosine (ddl)/3TC, or ddl/stavudine; and poor adherence to therapy. Conclusion: Discordant responses are independently associated with an increased risk of mortality and are, in turn, associated with poor adherence to therapy.
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