Abstract
To determine causes, incidence and factors associated with infections in neutropenic [polymorphonuclear neutrophil (PMN), 1000 x 10(6)/l] HIV-infected patients. Prospective study. Infectious disease service of a 1000-bed university teaching hospital in Paris, France. HIV-infected patients with a PMN count of < 1000 x 10(6)/l confirmed on two occasions were included in the study. Baseline characteristics, cause of neutropenia and occurrence of infectious episodes were analysed. The cause of neutropenia was lymphoma in four cases (6.5%), antineoplastic chemotherapy in seven (11.3%), zidovudine in 32 (51%), trimethoprim-sulphamethoxazole (TMP-SMX) in 28 (45%) and ganciclovir in 11 (18%). Fifteen patients (24%) developed infectious complications. Neutropenia induced by chemotherapy or lymphoma was more frequently complicate by infectious episodes (P = 0.02). Neutropenia in the previous 3 months (P = 0.05), presence of a central venous catheter (P = 0.05) and a trough PMN count (P = 0.02) were the three risk factors of infection retained in a logistic model. Neutropenia induced by zidovudine, gangiclovir or TMP-SMX, are less complicated by infectious episodes than neutropenia induced by antineoplastic chemotherapy. Overall, infectious episodes in neutropenic HIV-infected patients appear lower than in patients with haemobiologic malignancies.
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