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Original Article
Cardiology
The improvement of right ventricular function after adenotonsillectomy in children with obstructive sleep apnea
Dong Yeop Kim, Kyung Ok Ko, Jae Woo Lim, Jung Min Yoon, Young Hwa Song, Eun Jeong Cheon
Clin Exp Pediatr. 2018;61(12):392-396.   Published online October 26, 2018

Purpose: Adenotonsillar hypertrophy (ATH) that causes upper airway obstruction might lead to chronic hypoxemic pulmonary vasoconstriction and right ventricular (RV) dysfunction. We aimed to evaluate whether adenotonsillectomy (T&A) in children suffering from obstructive sleep apnea (OSA) due to severe ATH could improve RV function. Methods: Thirty-seven children (boy:girl=21:16; mean age, 9.52±2.20 years), who underwent T&A forsleep apnea due to ATH, were...
Review Article
General Pediatrics
Apparent life-threatening event in infancy
Hee Joung Choi, Yeo Hyang Kim
Clin Exp Pediatr. 2016;59(9):347-354.   Published online September 21, 2016

An apparent life-threatening event (ALTE) is defined as the combination of clinical presentations such as apnea, marked change in skin and muscle tone, gagging, or choking. It is a frightening event, and it predominantly occurs during infancy at a mean age of 1–3 months. The causes of ALTE are categorized into problems that are: gastrointestinal (50%), neurological (30%), respiratory (20%),...

Original Article
Effect of adenotonsillar hypertrophy on right ventricle function in children
Jin Hwan Lee, Jung Min Yoon, Jae Woo Lim, Kyung Og Ko, Seong Jun Choi, Jong-Yeup Kim, Eun Jung Cheon
Clin Exp Pediatr. 2014;57(11):484-488.   Published online November 30, 2014
Purpose

Chronic upper airway obstruction causes hypoxemic pulmonary vasoconstriction, which may lead to right ventricle (RV) dysfunction. Adenotonsillar hypertrophy (ATH) is the most common cause of upper airway obstruction in children. Therefore, we aimed to evaluate RV function in children with ATH.

Methods

Twenty-one children (male/female, 15/6; mean age, 92.3¡¾39.0 months; age range, 4-15 years) with ATH and 21 healthy age- and gender-matched...

Case Report
Pulmonary hypertension due to obstructive sleep apnea in a child with Rubinstein-Taybi syndrome
Hyung Soon Choi, Jeong Jin Yu, Young-Hwue Kim, Jae-Kon Ko, In-Sook Park
Clin Exp Pediatr. 2012;55(6):212-214.   Published online June 21, 2012

Rubinstein-Taybi syndrome (RTS) is characterized by peculiar facies, mental retardation, broad thumbs, and great toes. Approximately one-third of the affected individuals have a variety of congenital heart diseases. They can also have upper airway obstruction during sleep, due to hypotonia and the anatomy of the oropharynx and airway, which make these patients susceptible to obstructive sleep apnea (OSA). In our...

Review Article
Treatment of obstructive sleep apnea in children
Young Min Ahn
Clin Exp Pediatr. 2010;53(10):872-879.   Published online October 31, 2010

Obstructive sleep apnea (OSA) in children is a frequent disease for which optimal diagnostic methods are still being defined. Treatment of OSA in children should include providing space, improving craniofacial growth, resolving all symptoms, and preventing the development of the disease in the adult years. Adenotonsillectomy (T&A) has been the treatment of choice and thought to solve young patient's OSA...

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
Clinical characteristics of severe respiratory syncytial virus infection requiring mechanical ventilation in neonatal period and early infancy
Seung Han Shin, Jae Ri Kim, Jin-A Lee, Chang Won Choi, Ee-Kyung Kim, Eun Hwa Choi, Han-Suk Kim, Beyong Il Kim, Hoan Jong Lee, Jung-Hwan Choi
Clin Exp Pediatr. 2008;51(4):372-376.   Published online April 15, 2008
Purpose : To identify clinical characteristics of severe respiratory syncytial virus (RSV) in neonatal period and early infancy and provide information in clinical practice. Methods : Twelve neonates and young infants (<6 months) who were infected by respiratory syncytial virus and required mechanical ventilation between March 2005 and July 2007 were enrolled. Diagnosis of RSV infection was made based on the...
Discrimination between obstructive sleep apnea syndrome and primary snoring in children : comparison of clinical parameters and behavioral disturbance
Hyun-Joo Seo, Jae Suk Lee, Hong-Beom Shin, Eui-Joong Kim, Hyun-Joon Shim, Young-Min Ahn
Clin Exp Pediatr. 2008;51(3):267-275.   Published online March 15, 2008
Purpose : To determine whether primary snoring could be distinguished from obstructive sleep apnea syndrome (OSAS) by clinical evaluation and symptom scores. Methods : 56 snoring and 20 asymptomatic subjects were recruited and polysomnography was used to confirm that there were 39 OSAS, 17 primary snoring, and 20 control subjects. We evaluated the size of the childrens adenoids and tonsils....
Serum Albumin Concentrations and Clinical Disorders by Gestational Ages in Preterm Babies
Mia Lee, Soo Youn, Baek Keun Lim, Jong Soo Kim
Clin Exp Pediatr. 2005;48(2):148-153.   Published online February 15, 2005
Purpose : The aim of this study was to determine the reference ranges of serum albumin levels depending on the gestational ages of preterm infants. We also intended to compare the mean serum albumin levels between groups of preterm infants that did not develop clinical disorders later, and groups that did develop clinical disorders such as respiratory distress syndrome, intraventricular...
Childhood Obstructive Sleep Apnea Syndrome : Clinical and Polysomnographic Findings
Yang Jun Park, Dae Kyun Koh, Jin Hee Oh, Soo Jung Lee
Clin Exp Pediatr. 2001;44(7):786-795.   Published online July 15, 2001
Purpose : Although pediatricians may see a lot of patients with clinically suspected obstructive sleep apnea syndrome(OSAS), the actual incidence, clinical and polysomnographic manifestations of OSAS in children have not well been recognized and reported cases are rare. The objective of this study was to evaluate the efficacy of polysomnography in the diagnosis of OSAS in children and to analyze...
Erythropoietin Levels in Premature Infants Following Prolonged Treatment with Theophylline
Kug Hwan Kim, Eun Seok Yang, Sang Kee Park
Clin Exp Pediatr. 1997;40(9):1227-1231.   Published online September 15, 1997
Purpose : Theophylline, an adenosine antagonist commonly used in premature infants to treat apnea, has been shown to decrease erythropoietin levels in adults. We studied the effect of theophylline on serum erythropoietin levels in premature infants with apnea. Methods : Subject were 12 premature infants with apnea who were admitted to the NICU, Chosun University Hospital. The first dose of theophylline was 5mg/kg, given...
Case Report
A Case of Respiratory Syncytial Virus Infection Presented with Apnea
Eun Ha Choi, Seong Hee Jang, Young Min Ahn
Clin Exp Pediatr. 1996;39(4):558-561.   Published online April 15, 1996
Respiratory syncytial virus(RSV) is currently implicated as the most common and otentially serious viral respiratory pathogen of young infants. Apnea in association with RSV infection occurred in about 18% of the infants. Premature birth and a young postnatal age were risk factors for development of apnea with RSV disease. We experienced a case of RSV infection in a 37 day-old...
Original Article
Doxapram in the Treatment of Idiopathic Apnea of Prematurity Unresponsive to Aminophylline
Jung Hoon Park, Hee Sup Kim, Sang Hee Kim, Gil Hyun Kim, Hak Soo Lee
Clin Exp Pediatr. 1995;38(8):1046-1053.   Published online August 15, 1995
Purpose : Recurrent apnea of prematurity is a very common and troublesome problem despite treatment with aminophylline, and is often associated with a poor developmental outcome. Recently doxapram, a potent respiratory stimulant in adults, has been used to overcome idiopathic apnea of prematurity. This study was to evaluate the efficacy, safety and optimal dosage of doxapram in idiopathic apnea refractory to aminophylline. Methods...
Clinical Status of Apnea in Prematurity.
Soon Hee Kim, Chang Soo Ra, Keun Lee
Clin Exp Pediatr. 1986;29(7):758-764.   Published online July 31, 1986
Apnea is defined as cessation of respiration for longer than 10 〜20sec with or without bradycardia or cyanosis. It is more frequent in premature than full-term infants. The medical records of 96 premature infants of gestational age below 36 weeks who were hospitalized at Nursery of Ewha University Hospital during the period from July, 1982 to July, 1984, were analyzed....
Associated Ventilation with Mechanical Aids in Newborn Infants.
Eue Cho Yang, Jung Hwan Choi, Chong Ku Yun
Clin Exp Pediatr. 1985;28(5):435-447.   Published online May 31, 1985
Clinical features of 85 neonates who treated with assisted ventilation in Neonatal Intensive Care Unit at Seoul National University Hospital from April ’80 to Dec. 5 84 were analyzed with special respect to mechanical aids. The results were as follows; 1)According to diagnostic categories, 56 cases (66%) were hyaline membrane disease (HMD), 14 cases (16%) were postasphyxia syndrome (PAS), 9 cases...
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