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Cell Mol Biol (Noisy-le-grand). 2003 Dec;49(8):1199-204.

Recurrent pneumonia mortality risk in a HIV/AIDS Puerto Rican cohort.

Author information

  • 1Retrovirus Research Center, Universidad Central del Caribe, School of Medicine, Bayamón, Puerto Rico, USA. amayorb@hotmail.com

Abstract

Recurrent pneumonia (RP) within 12 months is one of the AIDS diagnosis criteria. To gain knowledge of RP infection in HIV-infected patients, we studied 145 RP cases detected in a cohort of 2,996 HIV patients in Puerto Rico between Jan. 1992-Dec. 2001. The RP prevalence was 4.8%; 77.2% were males and 62.1% were injecting drug users (IDU). At the time of RP diagnosis, the mean CD4+ T cell count was 93.8 cells/mm3, 59.3% were in antiretroviral treatment, 13% had received the pneumococcal vaccine and 84.8% had another AIDS related condition. Over 37% received two or more antiretroviral medications. The death rate in the first year after the RP diagnosis was 63.4%. A Cox proportional hazard analysis showed that CD4+ T cells <200/mm3 (p<0.05), history of toxoplasmosis (p<0.01), wasting syndrome (p<0.01), esophageal candidiasis (p<0.05) and lower number of antiretroviral medications (p<0.05) increased their mortality risk. The studied patients had a highly compromised immune system and a very low pneumococcal vaccination percent at the time of RP diagnosis. Low CD4+ T cells significantly increased the hazard and mortality risk of the cases studied. Antecedents of antiretroviral therapy in these patients ensure a better outcome with lower mortality. Efforts to increase the vaccination rate should reduce the RP incidence in our HIV-infected population.

PMID:
14983987
[PubMed - indexed for MEDLINE]
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