Abstract:
BACKGROUND:Inhaled hypertonic saline (HS) improves lung function and decreases pulmonary exacerbations in older patients with cystic fibrosis (CF). Initiating therapies in young patients has potential to preserve lung function. Before conducting a therapeutic trial of HS in this population, its safety must be evaluated and protocols for monitoring response must be tested. METHODS:We administered single dose 3% and 7% HS post-albuterol to 4-7 year-olds with CF able to perform spirometry ("preschool" group) and 4 month to 3 year-olds ("infant" group) using the raised volume rapid thoracoabdominal compression technique (RVRTC). Vital signs and cough episodes were measured after each inhaled treatment. RESULTS:Eight preschool subjects (mean age 5.7 +/- 0.8 years) and 6 infants (1.6 +/- 1.0 years) completed the 3% HS protocol, and no clinically important change in vital signs or decrease in FVC, FEV(1), FEV(0.5), or FEF(25-75) occurred post-HS. Preschoolers had more cough episodes post-HS (P = 0.01). Seven preschoolers (6.1 +/- 0.7 years) and 8 infants (1.6 +/- 0.7 years) completed the 7% HS protocol. In the preschool group, FVC, FEV(0.5), and FEF(25-75) did not change significantly. A statistically significant drop in median FEV(1) occurred post-7% HS attributable to a transient >20% drop in one subject. Infant PFT parameters were unchanged post-7% HS. Preschoolers had more cough episodes post-HS (P = 0.03). CONCLUSION:Acute administration of 3% and 7% HS appears to be safe and well-tolerated in most young children with CF. Given the demonstrated benefits in older patients, a therapeutic trial in this age group is warranted.
journal_name
Pediatr Pulmonoljournal_title
Pediatric pulmonologyauthors
Dellon EP,Donaldson SH,Johnson R,Davis SDdoi
10.1002/ppul.20909subject
Has Abstractpub_date
2008-11-01 00:00:00pages
1100-1106issue
11eissn
8755-6863issn
1099-0496journal_volume
43pub_type
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journal_title:Pediatric pulmonology
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journal_title:Pediatric pulmonology
pub_type: 临床试验,杂志文章
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journal_title:Pediatric pulmonology
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pub_type: 临床试验,杂志文章
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