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Original Article
Reference values for respiratory system impedance using impulse oscillometry in healthy preschool children
Jye Hae Park, Jung Won Yoon, Youn Ho Shin, Hye Mi Jee, Young Sun Wee, Sun Jung Chang, Jung Hwa Sim, Hye Yung Yum, Man Yong Han
Clin Exp Pediatr. 2011;54(2):64-68.   Published online February 28, 2011
Purpose

The normal values for lung resistance and lung capacity of children, as determined by impulse oscillometry (IOS), are different for children of different ethnicities. However, reference values there is no available reference value for Korean preschool children have yet to be determined. The aim of the present study was to determine the normal ranges of IOS parameters in Korean preschool...

Review Article
Obstructive sleep apnea syndrome in children: Epidemiology, pathophysiology, diagnosis and sequelae
Sun Jung Chang, Kyu Young Chae
Clin Exp Pediatr. 2010;53(10):863-871.   Published online October 31, 2010

The prevalence of pediatric obstructive sleep apnea syndrome (OSAS) is approximately 3% in children. Adenotonsillar hypertrophy is the most common cause of OSAS in children, and obesity, hypotonic neuromuscular diseases, and craniofacial anomalies are other major risk factors. Snoring is the most common presenting complaint in children with OSAS, but the clinical presentation varies according to age. Agitated sleep with...

Original Article
The quality control and acceptability of spirometry in preschool children
Hyun Kyong Seo, Sun Jung Chang, Da Woon Jung, Young Sun Wee, Hye Mi Jee, Ji Young Seo, Man Yong Han
Clin Exp Pediatr. 2009;52(11):1267-1272.   Published online November 15, 2009
Purpose : We examined the ability of preschool aged children to meet the American Thoracic Society (ATS) and European Resiratory Society (ERS) goals for spirometry quality and tried to find out the major factor for improving the rate of success of spiromety test in this age group. Methods : Spirometry was performed in 2-6 aged 155 children with chronic cough or...
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