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Review Article

May 31, 2026


Clinical Significance and Treatment Strategies of Patent Ductus Arteriosus in Preterm Infants: An Evidence-Based Approach to Decision-Making
Soon Min Lee, Byong Sop Lee, Mi Young Han, Hyun Ho Kim, Teahyen Cha, et al.
Neonatal Med. 2026;33(1):4-17.

The pathophysiology of patent ductus arteriosus (PDA) is conventionally attributed to increased pulmonary blood flow and reduced systemic organ perfusion caused by left-to-right ductal shunting. Although PDA has been associated...

Review Article

May 31, 2026


미숙아 동맥관개존증의 임상적 의미와 치료 전략: 대한신생아학회 권고문
이순민 , 이병섭 , 한미영 , 김현호 , 차태현 , et al.
Neonatal Med. 2026;33(1):18-29.

The pathophysiology of patent ductus arteriosus (PDA) is conventionally attributed to increased pulmonary blood flow and reduced systemic organ perfusion caused by left-to-right ductal shunting. Although PDA has been associated with major complications of prematurity and neurodevelopmental impairment, establishing direct causality remains challenging due to multiple confounders, including interactions among...

Original Article

May 31, 2026


Perinatal Factors and Postnatal Growth Trajectories as Determinants of School-Age Pulmonary Function in Preterm Infants
Jihye Yoon, Seung Han Shin, Baek Sup Shin, Ji Soo Park, Dong In Suh, et al.
Neonatal Med. 2026;33(1):30-38.

Purpose: This study investigated the associations between early-life perinatal risk factors, postnatal weight-growth trajectories, and pulmonary function at early school age in children born very preterm. Methods: This longitudinal cohort study included 72 children born before 30 weeks of gestation or with a birth weight below 1,250 g who completed spirometry...

Original Article

May 31, 2026


Current Infrastructure for Surgical Management Including Patent Ductus Arteriosus Ligation in Korean Neonatal Intensive Care Units: A Nationwide Survey
Sung-Hoon Chung, Jong-Hee Hwang,
Neonatal Med. 2026;33(1):39-48.

Purpose: Korea’s treatment environment for patent ductus arteriosus (PDA) is challenged by specialized personnel shortages and increasing medicolegal risks. This study provides an empirical overview of surgical infrastructure and specialist...

Original Article

May 31, 2026


Establishing Cohort-Specific Reference Values for Term-Equivalent Age Brain Magnetic Resonance Imaging Abnormality Scores in a Korean Cohort
Dabin Kim, Hae Min Kang, Ji Hye Yoon, Jieun Jeong, Gyeong Eun Yeom, et al.
Neonatal Med. 2026;33(1):49-55.

Purpose: The global brain abnormality scoring system is widely used to predict neurodevelopmental outcomes in preterm infants. However, its brain volume cutoff values may not directly apply to Korean infants...

Original Article

May 31, 2026


Real-World Outcomes of Treprostinil Treatment in Very-Low-Birth-Weight Infants with Pulmonary Hypertension: A Nationwide Cohort Study
Jieun Jeong, Haemin Kang, Ho Jung Choi, Sohee Oh, Jin A Lee
Neonatal Med. 2026;33(1):56-65.

Purpose: Treprostinil is used off-label for refractory pulmonary hypertension (PH) in very-low-birth-weight infants (VLBWI); however, real-world outcome data remain scarce. This study aimed to describe the clinical and long-term neurodevelopmental outcomes of treprostinil-treated VLBWI with PH. Methods: Data from 21,645 VLBWI in a nationwide, multicenter registry (Korean National Network) admitted between...

Original Article

May 31, 2026


Language Outcomes in Moderate-to-Late Preterm Infants at 2 Years of Corrected Age
Sung Hee Lee, Ju Hyun Jin, Shin Won Yoon
Neonatal Med. 2026;33(1):66-73.

Purpose: Moderate-to-late preterm (MLPT) infants born at 32 to 35 weeks of gestation are often considered to be at low risk for developmental delays. However, emerging evidence suggests vulnerabilities in language development. This study aimed to evaluate language outcomes in MLPT infants at a corrected age of approximately 2 years. Methods:...

Original Article

May 31, 2026


Neurodevelopmental Outcomes at 1 Year of Age after Extubation Failure in Very Preterm Infants: A Single-Center Cohort Study
Ju Hee An, Kyung Hee Park, Mun Hui Jeong, Seong Hee Jeong, NaRae Lee, et al.
Neonatal Med. 2026;33(1):74-81.

Purpose: Early extubation from mechanical ventilation (MV) in preterm infants may reduce MV-related complications in this population. However, extubation failure (EF) remains a common clinical challenge associated with short-term morbidity...

Original Article

May 31, 2026


Short- and Long-Term Morbidities in Preterm Infants with Necrotizing Enterocolitis or Spontaneous Intestinal Perforation
Jung In Kang, Sangjun Park, So-Yeon Shim, Joo Yun Yang, Young Min Youn, et al.
Neonatal Med. 2026;33(1):82-92.

Purpose: This study compared short-term morbidity, mortality, and long-term neurological outcomes among preterm infants with necrotizing enterocolitis (NEC) and those with spontaneous intestinal perforation (SIP). Methods: We conducted a retrospective analysis using data collected between 2013 and 2023 from the Korean Neonatal Network. The study included preterm infants born at

Original Article

May 31, 2026


Posthemorrhagic Ventricular Dilatation after Grade II–IV Intraventricular Hemorrhage in Neonates: A Single-Center Cohort Study
Hye Jin Park, Sang-Yoon Lee, Hyeong-Taek Woo, Ji Sook Kim
Neonatal Med. 2026;33(1):93-104.

Purpose: Posthemorrhagic ventricular dilatation (PHVD) is a significant complication of intraventricular hemorrhage (IVH) in neonates. This study aimed to evaluate the clinical characteristics, treatment course, and neurodevelopmental outcomes of neonates with PHVD after grades II–IV IVH. Methods: This retrospective single-center cohort study included neonates with grades II–IV IVH admitted between January...

Original Article

May 31, 2026


Infants with Sacral Dimples: Clinical Outcomes and Usefulness of Ultrasonography
Sung Hee Lee, Ju Hyun Jin, Shin Won Yoon
Neonatal Med. 2026;33(1):105-111.

Purpose: Sacral dimples are common and occur in 1.8% to 7.2% of neonates. Most simple dimples are benign, and concerns have been raised about the routine use of spinal ultrasonography for all such cases. This study aimed to analyze the spinal ultrasound findings in neonates with sacral dimples and evaluate...

Case Report

May 31, 2026


Molybdenum Cofactor Deficiency Type B Mimicking Hypoxic-Ischemic Encephalopathy in a Neonate: The First Genetically Confirmed Case in Korea
Soowan Shin, Baek Sup Shin, Seung Han Shin, Ee-Kyung Kim, Han-Suk Kim, et al.
Neonatal Med. 2026;33(1):112-116.

Molybdenum cofactor deficiency (MoCD) is a rare autosomal recessive neurodegenerative disorder that often mimics hypoxic-ischemic encephalopathy (HIE) in neonates, leading to delayed diagnosis. Here, a term female neonate developed refractory...
Current Issue
Volume 33(1); May 2026
Minimizing Radiation Exposure in Neonatal Intensive Care Unit: A Quality Improvement Approach on X-Ray Practices
Jae Hui Ryu, Seung Han Shin, Young Hun Choi, Ee-Kyung Kim, Han-Suk Kim
Neonatal Med. 2024;31(3):56-64.

Original Article

November 30, 2024
Current Infrastructure for Surgical Management Including Patent Ductus Arteriosus Ligation in Korean Neonatal Intensive Care Units: A Nationwide Survey
Sung-Hoon Chung, Jong-Hee Hwang,
Neonatal Med. 2026;33(1):39-48.

Original Article

May 31, 2026
Should We Consider UGT1A1 Mutation Analysis in Evaluating the Prolonged Jaundice of Newborn Infants?
Young Don Kim
Neonatal Med. 2024;31(1):1-8.

Original Article

February 29, 2024
Full-Term Baby with Cerebellar Hemorrhage Referred for Severe Jaundice Occurring within the First 3 Days of Life
In Wook Lee, Jae Kyoon Hwang, Ja-Hye Ahn, Hyun Ju Lee, Chang-Ryul Kim
Neonatal Med. 2024;31(1):9-15.

Case Report

February 29, 2024
Clinical Characteristics of Hypospadias and Its Association with Very Low Birth Weight Infants with Small for Gestational Age
Seon Nyo Kim, Seung Hyun Kim, Chan Kim, Hanna Kim, Jieun Hwang, Misun Yang, So Yoon Ahn, Se In Sung, Yun Sil Chang, Hyeseon Kim
Neonatal Med. 2024;31(2):17-23.

Original Article

May 31, 2024
Risk Factors Contributing to Extrauterine Growth Restriction in Very Low Birth Weight Infants
Hye Su Hwang, Mi Lim Chung
Neonatal Med. 2024;31(2):31-37.

Original Article

May 31, 2024
Quality Improvement Project to Reduce Admission Hypothermia of Preterm Infants Born at Less than 32 Weeks or 1,500 g
Hanna Kim, Jieun Hwang, Chan Kim, Seung Hyun Kim, Misun Yang, So Yoon Ahn, Se In Sung, Yun Sil Chang
Neonatal Med. 2024;31(2):38-46.

Original Article

May 31, 2024
Perinatal Factors and Postnatal Growth Trajectories as Determinants of School-Age Pulmonary Function in Preterm Infants
Jihye Yoon, Seung Han Shin, Baek Sup Shin, Ji Soo Park, Dong In Suh, Dabin Kim, Gyeong Eun Yeom, Seh Hyun Kim, Ju Sun Heo, Ee-Kyung Kim, et al.
Neonatal Med. 2026;33(1):30-38.

Original Article

May 31, 2026
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