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Do New Zealand children with non-cystic fibrosis bronchiectasis show disease progression?

Abstract：

BACKGROUND:There is minimal literature available on the long-term outcome of pediatric non-cystic fibrosis (CF) bronchiectasis. AIM:To document 5-year outcomes of children with chest computerized tomography (CT) scan diagnosed bronchiectasis from a tertiary New Zealand (NZ) respiratory clinic. METHODS:Review of a clinical database identified 91 children. Demographics, clinical data, lung function, chest X-ray (CXR), sputum, presumed etiology, admission data, and the NZ deprivation index (NZDep) were collected. Univariate and multivariate regression were used to correlate clinical findings with lung function data and CXR scores using the Brasfield Scoring System. RESULTS:Of the 91 children, 53 (59%) were Pacific Island, 22 (24%) Maori, 14 (15%) European, and 2 (2%) Other. The median follow-up period was 6.7 years (range 5.0-15.3 years) and median age at diagnosis was 7.3 years (range 11 months-16 years). Lung function data (n = 64) showed a mean decline of -1.6% predicted/year. In 30 children lung function declined (mean FEV(1) -4.4% predicted/year, range 1-17%), remained stable in 13 and improved in 21 children (mean FEV(1) of +3% predicted/year, range 1-15%). Reduced lung function was associated with male gender, chronic Haemophilus influenzae infection, longevity of disease, and Maori and Pacific Island ethnicity. There was a significant correlation with FEV(1) and CXR score at beginning (n = 47, r = 0.45, P = 0.001) and end (n = 26, r = 0.59, P = 0.002) of the follow-up period. The only variable consistently related to CXR score was chronic Haemophilus influenzae infection occurring in 27 (30%) (r(2) = 0.52, P = <0.0001). Only four children were chronically infected with Pseudomonas species. Six children died. CONCLUSION:In our experience despite management in a tertiary multidisciplinary bronchiectasis clinic, progression of lung disease continues in a group of children and young adults.

journal_name

Pediatr Pulmonol

journal_title

Pediatric pulmonology

authors

Munro KA,Reed PW,Joyce H,Perry D,Twiss J,Byrnes CA,Edwards EA

doi

10.1002/ppul.21331

subject

Has Abstract

pub_date

2011-02-01 00:00:00

pages

131-8

issue

eissn

8755-6863

issn

1099-0496

journal_volume

pub_type

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Do New Zealand children with non-cystic fibrosis bronchiectasis show disease progression?