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Bronchoalveolar Cellularity and IL-8 Levels in Patients with Post-measles Wheezing  

Jung, Da Eun (Department of Pediatrics, Inje University Sanggye Paik Hospital)
Kim, Byeong Eui (Department of Pediatrics, Inje University Sanggye Paik Hospital)
Chung, Ju Young (Department of Pediatrics, Inje University Sanggye Paik Hospital)
Kim, Jeong Yeon (Department of Diagnostic Pathology, Inje University Sanggye Paik Hospital)
Ma, Sang Hyuk (Department of Pediatrics, Chang won Fatima Hospital)
Kim, Chang Keun (Department of Pediatrics, Inje University Sanggye Paik Hospital)
Publication Information
Clinical and Experimental Pediatrics / v.46, no.8, 2003 , pp. 763-768 More about this Journal
Abstract
Purpose : This study was conducted to investigate the pulmonary cellular profiles and IL-8 levels in patients with post-measles wheezing. Methods : Twelve previously healthy infants with a minimum of three episodes of wheezing after measles pneumonia(Measles wheezing, median age, 1.3 years) were recruited by a retrospective examination of hospital records. They underwent bronchoalveolar lavage(BAL) with flexible bronchoscopy, and high-resolution computed tomography(HRCT) with a mean six(1-15) months interval. Comparisons were made with seven normal controls(Control, median age : 7.4 years). BAL cell counts and differentials were determined. IL-8 levels also were measured by ELISA. Results : The BAL cellular profiles were characterized by a significantly increased percentage of neutrophils in the Measles wheezing group(median 16.0%) compared to the control group(median 3.8 %)(P<0.01). IL-8 levels were markedly increased in the Measles wheezing group($mean{\pm}SD$, $512.7{\pm}324.0pg/mL$) compared to the control group($41.7{\pm}67.7pg/mL$)(P<0.01). Furthermore, IL-8 levels correlated significantly(r=0.816, P=0.001) with neutrophil percentages in BAL fluids in the Measles wheezing group. Abnormal HRCT findings were mosaic perfusion, bronchiectasis, bronchial wall thickening, and decreased vascularity. Conclusion : These results suggest that pulmonary neutrophils and IL-8 may play an important role in the pathogenesis of the post-measles wheezing.
Keywords
Measles; Wheezing; Bronchoalveolar lavage; Neutrophils; IL-8;
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