L M Mofenson1, R Yogev, J Korelitz, J Bethel, K Krasinski, J Moye, R Nugent, J G Rigau-Perez. 1. Pediatric, Adolescent and Maternal AIDS Branch, Center for Research for Mothers and Children, National Institute of Child Health and Human Development, National Institutes of Health, Rockville, MD 20852, USA. LM65D@nih.gov
Abstract
OBJECTIVE: To describe the epidemiologic, clinical, radiologic, laboratory and treatment characteristics of acute pneumonia and its association with mortality in HIV-infected children. METHODS: Data were collected during a trial of intravenous immunoglobulin (IVIG) for infection prophylaxis (1988 to 1991); CD4+ percentage was measured and HIV RNA was assessed on stored sera collected at baseline and every 3 months. Mortality was recorded during the trial and updated through 1996. All reported physician-diagnosed pneumonia episodes underwent blinded review for trial endpoint classification as acute (new radiologic findings and presence of clinical symptoms) or nonacute. RESULTS: On blinded clinical trial endpoint review of all reported pneumonia episodes (n = 281), only 47% were classified as acute. One hundred thirty-one episodes of acute pneumonia were reported in 93 children (47 in 31 IVIG and 84 in 62 placebo patients, P < 0.01). The incidence of acute pneumonia was 24 episodes per 100 patient years. Findings associated with an acute bacterial process were uncommon (leukocytosis > or =15000/mm3 in 21% and fever > or =103 degrees F in 32% of episodes). Multiple acute episodes occurred in 34% of the children and were associated with increased risk of mortality in a univariate analysis (risk ratio, 2.1; 95% confidence interval, 1.3 to 3.4, P = 0.002), but in a multivariate model only baseline HIV RNA copy number and CD4+ percentage remained independently associated with mortality (relative risk, 2.0 and 1.4, respectively, P < 0.001). CONCLUSION:Acute pneumonia was a common occurrence in HIV-infected children and was associated with long term mortality risk. Multiple episodes of acute pneumonia likely represent a marker of progressive disease and immunologic dysfunction rather than being causally associated with increased long term mortality.
RCT Entities:
OBJECTIVE: To describe the epidemiologic, clinical, radiologic, laboratory and treatment characteristics of acute pneumonia and its association with mortality in HIV-infectedchildren. METHODS: Data were collected during a trial of intravenous immunoglobulin (IVIG) for infection prophylaxis (1988 to 1991); CD4+ percentage was measured and HIV RNA was assessed on stored sera collected at baseline and every 3 months. Mortality was recorded during the trial and updated through 1996. All reported physician-diagnosed pneumonia episodes underwent blinded review for trial endpoint classification as acute (new radiologic findings and presence of clinical symptoms) or nonacute. RESULTS: On blinded clinical trial endpoint review of all reported pneumonia episodes (n = 281), only 47% were classified as acute. One hundred thirty-one episodes of acute pneumonia were reported in 93 children (47 in 31 IVIG and 84 in 62 placebo patients, P < 0.01). The incidence of acute pneumonia was 24 episodes per 100 patient years. Findings associated with an acute bacterial process were uncommon (leukocytosis > or =15000/mm3 in 21% and fever > or =103 degrees F in 32% of episodes). Multiple acute episodes occurred in 34% of the children and were associated with increased risk of mortality in a univariate analysis (risk ratio, 2.1; 95% confidence interval, 1.3 to 3.4, P = 0.002), but in a multivariate model only baseline HIV RNA copy number and CD4+ percentage remained independently associated with mortality (relative risk, 2.0 and 1.4, respectively, P < 0.001). CONCLUSION:Acute pneumonia was a common occurrence in HIV-infectedchildren and was associated with long term mortality risk. Multiple episodes of acute pneumonia likely represent a marker of progressive disease and immunologic dysfunction rather than being causally associated with increased long term mortality.
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Authors: Lynne M Mofenson; Michael T Brady; Susie P Danner; Kenneth L Dominguez; Rohan Hazra; Edward Handelsman; Peter Havens; Steve Nesheim; Jennifer S Read; Leslie Serchuck; Russell Van Dyke Journal: MMWR Recomm Rep Date: 2009-09-04