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Original Article
Accuracy of maximal expiratory flow-volume curve curvilinearity and fractional exhaled nitric oxide for detection of children with atopic asthma
Sang Hoo Park, Min Ji Im, Sang-Yong Eom, Youn-Soo Hahn
Clin Exp Pediatr. 2017;60(9):290-295.   Published online September 21, 2017

Airway pathology in children with atopic asthma can be reflected by the concave shape of the maximal expiratory flow-volume (MEFV) curve and high fractional exhaled nitric oxide (FeNO) values. We evaluated the capacity of the curvilinearity of the MEFV curve, FeNO, and their combination to distinguish subjects with atopic asthma from healthy individuals.


FeNO and angle β, which characterizes the general...

Cardiopulmonary function and scoliosis severity in idiopathic scoliosis children
Seokwon Huh, Lucy Yougmin Eun, Nam Kyun Kim, Jo Won Jung, Jae Young Choi, Hak Sun Kim
Clin Exp Pediatr. 2015;58(6):218-223.   Published online June 22, 2015

Idiopathic scoliosis is a structural lateral curvature of the spine of unknown etiology. The relationship between degree of spine curvature and cardiopulmonary function has not yet been investigated. The purpose of this study was to determine the association between scoliosis and cardiopulmonary characteristics.


Ninety children who underwent preoperative pulmonary or cardiac evaluation at a single spine institution over 41 months were...

The effect of education and training with balloons on pulmonary function test in children
Yong Hee Hong, Sun Mi Ha, You Hoon Jeon, Hyeon Jong Yang, Bok Yang Pyun
Clin Exp Pediatr. 2008;51(5):506-511.   Published online May 15, 2008
Purpose : The results of pulmonary function test (PFT) in children are variable according to the patient's cooperation and comprehensiveness. This study has intended to figure out the effectiveness of pre-education and training with balloons on PFT in children. Methods : One hundred six children mean aged 9.35?.92 years were tested. All participants performed PFT twice in 30 minutes intervals....
Pulmonary Function Test and Body Composition Analysis in Obese Children
Jee Seon Shin, Ji Hye Park, Ji Young Kim, Su Jung Kim, Young Mi Hong
Clin Exp Pediatr. 2005;48(6):588-593.   Published online June 15, 2005
Purpose : Obesity is associated with disturbances of ventilatory functions in adults. But few studies have evaluated the pulmonary complications of obesity in the pediatric population. The purpose of this study is to clarify the effects of obesity on pulmonary function and body composition in obese children. Methods : Forty seven obese children whose ages ranged from nine to twelve...
Pulmonary Function of Patients with Adolescent Idiopathic Scoliosis
Yu Sok Han, Hyun Ah Kim, Uee Ryoung Chung
Clin Exp Pediatr. 2004;47(10):1076-1080.   Published online October 15, 2004
Purpose : To evaluate the patterns of preoperative pulmonary function tests(PFTs) and their correlation with postoperative pulmonary impairment in patients with adolescent idiopathic scoliosis(AIS), who had orthopaedic operation with or without rib resection thoracoplasty. Methods : The case records and radiographs of 79 patients(12, boys and 67, girls) of a mean age of 13.3 years(7-15 years) with AIS who underwent orthopaedic...
Characteristics of Childhood Asthma According to the Onset of Wheezing
Yoon Jeong Kim, Bong Seong Kim, Soo-Jong Hong
Clin Exp Pediatr. 2000;43(5):686-693.   Published online May 15, 2000
Purpose : To understand the characteristics of early childhood asthma, we evaluated and compared the characteristics between early persistent wheezers and late wheezers. Methods : From January, 1998 to December, 1998, 106 children aged six to seven years were divided into three groups according to the onset of wheezing : Early persistent wheezers(n=36) who had wheezing both before three years of...
Normal Predicted Values of Pulmonary Function Test in Healthy Korean Children
Seung Yeon Nam, Kyung Hyo Kim, Young Mi Hong, Gyoung Hee Kim
Clin Exp Pediatr. 1998;41(3):338-345.   Published online March 15, 1998
Purpose : We performed a pulmonary function test with simple, computerized spirometry composed of pneumotachometry and evaluated the predicted normal values of air flow rates and lung volumes in healthy Korean children. We calculated each of the simple and complex linear and logarithmic regression equations setting the predicted values. Methods : Four hundred and fifty-two healthy children were enrolled from December, 1994 to August, 1995....
Normal Predicted Value of Airway Resistance by Flow Interrupter Technique in Korean Primary School-Aged Children
Byong Kwan Son, Dae Hyun Lim, Jeong Hee Kim, Jong Woon Choi, Soon Ki Kim, Sei Woo Chung
Clin Exp Pediatr. 1996;39(8):1095-1102.   Published online August 15, 1996
Purpose : To get the normal predicted value of airway resistance in Korean primary school-aged children by using flow interrupter technique which is simple and easy enough to be applicable even to young children. Methods : Among all the children of one primary school, we selected 964 (Male 469, Female 495). Excluded children were out of normal range in growth with Korean standard and/or...
Evaluation of Pulmonary Function Test by Pneumotachography and Passive Expiratory Flow-volume Technique in Newborns with Respiratory Diseases with Respiratory Diseases
Hye Jin Lee, Kyung Hyo Kim, Gyoung Hee Kim
Clin Exp Pediatr. 1996;39(4):482-490.   Published online April 15, 1996
Purpose : Pulmonary function test is an important diagnostic tool in neonatal intensive care. These tests provide a detailed assessment an infant's pulmonary status that can be used in several ways: to monitor the progression of lung disease, to streamline ventilator management, and to assess the infant's response to new treatments, such as surfactant replacement therapy or bronchodilator. The purpose...
Pulmonary Function Test in Korean Neonates by Expiratory Flow-Volume Curve
So Young Park, Kyung Hyo Kim, Gyoung Hee Kim
Clin Exp Pediatr. 1996;39(1):53-62.   Published online January 15, 1996
Purpose : Neonatal pulmonary function test(PFT) adds a new dimension to the understanding and care of the infant at risk for lung dysfunction. PFT can be identified the risk for pulmonary problems and safely and effectively diagnosed, quantified, and qualified the dysfunction. So it is possible to early institution of prophylatic respiratory therapy in such neonates and it can improved...
Relationship between Bronchial Hyperresponsiveness by Methacholine Provocation and the Severity of Asthma Symptoms, Pulmonary Function and Atopy
Sang Hyug Ma, Jung Mi Lee, Byung Hag Lim, Im Ju Kang
Clin Exp Pediatr. 1995;38(2):223-231.   Published online February 15, 1995
Purpose : Bronchial asthma is a disorder that is characteized by symptoms of reversible airway obstruction and increased responsiveness of the bronchus and to quantify the degree of br onchial hyperresponsivenes can be very helpful in determing the severity of disease and the prognosis. But the Methacholine provocation test is not always easy to be performed in all patients. Thus...
Normal Predicted Values of Pulmonary Function Test in children
In Ah Cha, Kwang Sin Kim, Young Wook Kim, Ki Bok Kim
Clin Exp Pediatr. 1994;37(5):672-688.   Published online May 15, 1994
An objective evaluation of the degree of respiratory impairment in children depends on the establishment of standards of normal function. In addition to sex and growth, various factors such as race and geography have been shown to be important determinants of lung function. The purposes of this paper are to report the result of lung function tests performed on a...
Normal Predicted values of Pulmonary function Test in Korean Primary School-Aged Children
Dae Hyun Lim, Jeong Hee Kim, Jun Hee Park, Jong Woon Choi, Soon Ki Kim, Byong Kwan Son
Clin Exp Pediatr. 1994;37(2):240-249.   Published online February 15, 1994
Pulmonary function test is one of the most important tools in the management of patients with respiratory tract diseases and allergic diseases. As with the difficulties in performing the test, it has been seldom used in pediatric field. But with the advent of simple, computerized tools, pediatric pulmonologist and allergist try to manage the patients using PFE. Still the normal...
Normal Predicted Values of Pulmonary Function Test Korean School-Aged Children
Kyung Ae Yoon, Hyung Suk Lim, Young Yull Koh, Heon Kim
Clin Exp Pediatr. 1993;36(1):25-37.   Published online January 15, 1993
In recent years pulmonary function tests have had a wide application in clinical pulmonary diseases. By combining a number of different pulmonary function tests, abnormality present in a particular patient can be defined. This narrows the list of possible diagnosis and allows to determine accurately the degree of impairment and assess the response to therapy. To assess the pulmonary function in...
Post-Exercise Pulmonary Function Changes in Asthmatic Children.
Kyung Ae Yoon, Young Yull Koh, Hyung Ro Moon
Clin Exp Pediatr. 1989;32(8):1074-1085.   Published online August 31, 1989
To determine the frequency, severity, time course and relations of exercise induced changes in lung function, forty-one asthmatic children and fifteen control children were subjected to free running and forced vital capacity (FVC), one-second forced expiratory volume (FEV1), maximum mid-expiratory flow rate (FEF 25-75%), and peak expiratory flow rate (PEFR) were measured before and serially for 60 minutes following exercise. The results were as follows. 1) Significant...
Post-exercise Pulmonary Function Changes in Asthmatic Children.
Hee Joo Jeon, Jong Woo Shin
Clin Exp Pediatr. 1986;29(4):353-360.   Published online April 30, 1986
The pulmonary function tests were made after exercise provaction using bicycle in 22 :asthmatic and 6 healthy children. The results obtained were summarized as follows: 1) There was no significant difference in pre-exercise pulmonary function tests between asthmatic and control children. 2) Among 22 asthmatic children, 17-10 children(77.3%~45.5%) according to different test indices, showed significant air way obstruction after exercise. 3) In the time...
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