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Original Article
Neonatology (Perinatology)
Mortality of very low birth weight infants by neonatal intensive care unit workload and regional group status
Sung-Hoon Chung, Chae Young Kim, Yong-Sung Choi, Myung Hee Lee, Jae Woo Lim, Byong Sop Lee, Ki-Soo Kim; the Korean Neonatal Network
Clin Exp Pediatr. 2024;67(11):619-627.   Published online September 12, 2024
Question: How do structural and staffing characteristics of neonatal intensive care units (NICUs) influence the mortality rates of very low birth weight infants (VLBWIs)?
Findings: NICUs with higher staffing levels, particularly with more neonatologists, and those offering advanced care levels were associated with lower mortality rates. Additionally, regional disparities were observed, with some areas demon-strating significantly higher survival rates.
Meaning: Adequate staffing and equitable regional distribution of medical resources are crucial for improving survival outcomes in VLBWIs. Efforts to enhance NICU staffing and address regional healthcare disparities are essential for optimizing care quality and reducing mortality in this vulnerable population.
Review Article
Neonatology (Perinatology)
Demographic transition in South Korea: implications of falling birth rates
Chae Young Kim, Sung-Hoon Chung
Clin Exp Pediatr. 2024;67(10):498-509.   Published online June 27, 2024
· Since 1960, South Korea's TFR decreased from 6.33 to 0.78 in 2022, below the 2.1 replacement level since 1983, with women's average age at first marriage rising to 31.3 in 2022.
· Policies needed: financial incentives, longer parental leave, better childcare.
· The U.S. (15.3% immigrants) and Germany (18.8%) use immigration to maintain demographic stability, a strategy South Korea is considering.
Original Article
Nutrition
Survey of Korean pediatrician’s perceptions of barriers to and improvements in breastfeeding
Seong Phil Bae, Woo Ryoung Lee, Won-Ho Hahn, Hye-Jung Shin, Young Min Ahn, Son Moon Shin, Yong Joo Kim, Ellen Ai-Rhan Kim, Youn Jeong Shin, Dae Yong Yi, Soon Min Lee, Juyoung Lee, Jin A Lee, Sung-Hoon Chung, Euiseok Jung, Eui Kyung Choi, Ju Sun Heo
Clin Exp Pediatr. 2022;65(11):540-546.   Published online July 29, 2022
Question: What barriers to breastfeeding do Korean pediatricians perceive?
Finding: Regardless of medical institution, breastfeeding counseling for parents is currently limited, and breastfeeding is commonly discontinued due to various maternal and neonatal factors.
Meaning: To promote breastfeeding, increasing pediatrician participation in breastfeeding counseling with the establishment of appropriate breastfeeding counseling fees and the expansion of practical and high-quality breastfeeding education for medical staff should be considered.
Correspondence
Erratum: Changes in the neonatal and infant mortality rate and the causes of death in Korea
Sung-Hoon Chung, Yong-Sung Choi, Chong-Woo Bae
Clin Exp Pediatr. 2014;57(2):100-100.   Published online February 24, 2014
Original Article
Birth statistics of high birth weight infants (macrosomia) in Korea
Byung-Ho Kang, Joo-Young Moon, Sung-Hoon Chung, Yong-Sung Choi, Kyung-Suk Lee, Ji-Young Chang, Chong-Woo Bae
Clin Exp Pediatr. 2012;55(8):280-285.   Published online August 23, 2012
Purpose

The authors analyzed the trend from the birth-related statistics of high birth weight infants (HBWIs) over 50 years in Korea from 1960 to 2010.

Methods

We used 2 data sources, namely, the hospital units (1960's to 1990's) and Statistics Korea (1993 to 2010). The analyses include the incidence of HBWIs, birth weight distribution, sex ratio, and the relationship of HBWI to maternal...

Review Article
Changes in the neonatal and infant mortality rate and the causes of death in Korea
Sung-Hoon Chung, Yong-Sung Choi, Chong-Woo Bae
Clin Exp Pediatr. 2011;54(11):443-455.   Published online November 30, 2011

Neonatal mortality rate (NMR) or infant mortality rate (IMR) are the rate of deaths per 1,000 live births at which babies of either less than four weeks or of one year of age die, respectively. The NMR and IMR are commonly accepted as a measure of the general health and wellbeing of a population. Korea's NMR and IMR fell significantly...

Original Article
Relationship between exhaled nitric oxide and pulmonary function test in children with asthma
Han-Seok Ko, Sung-Hoon Chung, Yong-Sung Choi, Sun-Hee Choi, Yeong-Ho Rha
Clin Exp Pediatr. 2008;51(2):181-187.   Published online February 15, 2008
Purpose : Asthma is characterized by reversible airway obstruction and bronchial hyperresponsiveness result from airway inflammation. Fraction of nitric oxide in expired air (FeNO) has recently been investigated as a noninvasive measure of airway inflammation. FeNO has been reported to correlate with induced sputum eosinophilia and methacholine challenge test that it is represent severity of asthma. The purpose of this...
The impact of early detection through school urinary screening tests of membranoproliferative glomerulonephritis typeⅠ
Sung-Hoon Chung, Sung-Sin Park, Sung-Do Kim, Byoung-Soo Cho
Clin Exp Pediatr. 2007;50(11):1104-1109.   Published online November 15, 2007
Purpose : Since 1998, school urinary screening tests have been performed on Korean school children. We could detect and treat so many asymptomatic chronic renal disease in early stage. We investigated the efficacy of school urinary screening tests from children with membranoproliferative glomerulonephritis (MPGN) type I. Methods : We analyzed the characteristics and prognosis of 18 patients with MPGN type I...