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Review Article
Neonatology (Perinatology)
Growth patterns of preterm infants in Korea
Joohee Lim, So Jin Yoon, Soon Min Lee
Clin Exp Pediatr. 2022;65(1):1-9.   Published online July 8, 2021
∙ The growth of preterm infants is a main focus of neonatology.
∙ Preterm infants in Korea, especially those with a very low birth weight, achieve retarded growth.
∙ Careful growth monitoring and early intervention will contribute to better development outcomes and quality of life for preterm infants and improve public health.
Letter to the Editor
Environmental and dietary factors to be checked for treatment of atopic dermatitis in rural children
Sanghwa Youm, Eunjoo Lee, Jeongmin Lee
Clin Exp Pediatr. 2021;64(12):661-663.   Published online October 1, 2021
Question: What are the distinctive features of rural children with atopic dermatitis?
Finding: Birch and dog dander were the second most sensitized aeroallergens (32.6%), followed by house dust mites. Doctors and guardians reported food allergy comorbidities differently (19.9% and 43.5%, respectively). Dietary restrictions without medical evaluation were observed in 39.7% of patients.
Meaning: Effects of pollen distribution and indirect animal exposure should be evaluated. Evidence-based dietary restrictions must be implemented.
Original Article
Viral load and rebound in children with coronavirus disease 2019 during the first outbreak in Daegu city
Mi Ae Chu, Yoon Young Jang, Dong Won Lee, Sung Hoon Kim, Namhee Ryoo, Sunggyun Park, Jae Hee Lee, Hai Lee Chung
Clin Exp Pediatr. 2021;64(12):652-660.   Published online October 12, 2021
Question: What is the natural course of viral load in children with coronavirus disease 2019 (COVID-19)?
Finding: A significant number of patients still had a relatively high viral load once clinically asymptomatic. Nearly half of the patients experienced viral rebound, which contributed to prolonged viral detection in their respiratory specimens.
Meaning: Further studies are needed to determine the clinical significance of viral rebound in asymptomatic or mild pediatric cases of COVID-19.
General Pediatrics
Efficacy of probiotics for managing infantile colic due to their anti-inflammatory properties: a meta-analysis and systematic review
Reza Shirazinia, Ali Akbar Golabchifar, Mohammad Reza Fazeli
Clin Exp Pediatr. 2021;64(12):642-651.   Published online April 12, 2021
Question: Do probiotics reduce colic symptoms?
Finding: Probiotics reduced colic symptoms in colicky infants probably due to the anti-inflammatory properties.
Meaning: Probiotics may be an effective and less noxious way to manage infantile colic.
Spatial modeling of mortality from acute lower respiratory infections in children under 5 years of age in 2000–2017: a global study
Ali Almasi, Sohyla Reshadat, Alireza Zangeneh, Mehdi Khezeli, Raziyeh Teimouri, Samira Rahimi Naderi, Shahram Saeidi
Clin Exp Pediatr. 2021;64(12):632-641.   Published online March 19, 2021
Question: We assessed the spatial modeling of mortality from acute lower respiratory infections in children under 5 years old during 2000–2017 using a global data.
Finding: The total number of child deaths during the study period decreased, while the number of hot spots increased among countries.
Meaning: Hot spots were concentrated in Asia in 2000 but shifted toward African countries by 2017. A cold spot formed in Europe over the study period.
Global trend and disparity of acute lower respiratory infection as cause of mortality in children under 5 years of age
Abdul Wahab
Clin Exp Pediatr. 2021;64(12):630-631.   Published online June 11, 2021
Acute lower respiratory infection (ALRI) is the leading cause of death among children under 5 years of age worldwide, especially in low- and middle-income countries. A spatial analysis explains the trends and severity based on the conditions of each country. Countries in Asia and Africa experience many cases of mortality caused by ALRI.
Recent studies are focus on the new treatments for hypoxicischemic encephalopathy (HIE) and long-term outcomes in later childhood and adolescence in children with a history on HIE
Eun Sook Suh
Clin Exp Pediatr. 2021;64(12):628-629.   Published online September 30, 2021
Neonatal encephalopathy is the most important reason for morbidity and mortality. The early detection of neonate with high risk for hypoxic ischemic encephalopathy (HIE) and treatment are important for prevent long term complication. Hypothermia is currently standard treatment option for HIE. Several clinical studies have been performed due to improve the long term outcome. New therapeutic options including xenon, allopurinol, erythropoietin, topiramate will help to reduce neuropsychiatric disability.
Review Article
Endocrine comorbidities of pediatric obesity
Jieun Lee, Jae Hyun Kim
Clin Exp Pediatr. 2021;64(12):619-627.   Published online August 26, 2021
∙ Pediatric obesity can involve endocrine comorbidities such as prediabetes, type 2 diabetes, dyslipidemia, metabolic syndrome, polycystic ovary syndrome, and central precocious puberty.
∙ Prediabetes and type 2 diabetes in youth aged 10–19 years had a prevalence of 25.9% and 0.6% in 2013–2014, respectively.
∙ Dyslipidemia in Korean adolescents aged 10–18 years had a prevalence of 7.64% (total cholesterol ≥200 mg/dL), 6.09% (low-density lipoprotein cholesterol ≥130 mg/dL), 8.69% (triglyceride ≥150 mg/dL), and 12.52% (high-density lipoprotein cholesterol ≤40 mg/dL) in 2007–2018.
∙ Metabolic syndrome in Korean youth has a prevalence of 1.9%–14.7% in males and 1.7%–12.6% in females with wide variation in definitions.
∙ Appropriate comorbidity screening and management and/or specialist referral are necessary for obese children and adolescents.
Cognitive outcomes in late childhood and adolescence of neonatal hypoxic-ischemic encephalopathy
Bo Lyun Lee, Hannah C. Glass
Clin Exp Pediatr. 2021;64(12):608-618.   Published online May 24, 2021
∙ Cognitive impairments occur in children with hypoxic-ischemic encephalopathy (HIE) even without neuromotor deficits.
∙ Therapeutic hypothermia has improved neurodevelopmental outcomes of children with HIE; however, 40% of children remain at risk of death/disability or cognitive impairments necessitating the development of adjunctive neuroprotective therapies.
∙ Long-term follow-up until adolescence is required to identify cognitive dysfunction.
∙ A pattern of watershed injury on brain imaging is associated with poor cognitive outcomes.
Recommendation for use of diphtheria and tetanus toxoids and acellular pertussis, inactivated poliovirus, Haemophilus influenzae type b conjugate, and hepatitis B vaccine in infants
Hye-Kyung Cho, Su Eun Park, Yae-Jean Kim, Dae Sun Jo, Yun-Kyung Kim, Byung-Wook Eun, Taek-Jin Lee, Jina Lee, Hyunju Lee, Ki Hwan Kim, Eun Young Cho, Jong Gyun Ahn, Eun Hwa Choi; The Committee on Infectious Diseases of the Korean Pediatric Society
Clin Exp Pediatr. 2021;64(12):602-607.   Published online June 8, 2021
∙ Diphtheria and tetanus toxoids and acellular pertussis-inactivated poliovirus-Haemophilus influenzae type b-hepatitis B (DTaP-IPV-Hib-HepB) was licensed in Korea in April 2020.
∙ DTaP-IPV-Hib-HepB is indicated as a 3-dose primary series for infants aged 2, 4, and 6 months who received the standalone HepB vaccine at birth.
∙ Infants born to HepB surface antigen-positive mothers are currently recommended to be immunized with HepB immunoglobulin at birth and then monovalent HepB vaccine at 0, 1, and 6 months.
Letter to the Editor
Multisystem inflammatory syndrome in children and Kawasaki disease in infants: 2 sides of the same coin?
Hing Cheong Kok, Dinesh Nair, Ke Juin Wong, Siew Moy Fong
Clin Exp Pediatr. 2021;64(11):599-601.   Published online October 7, 2021
Question: Are multisystem inflammatory syndrome in children (MIS-C) and Kawasaki disease (KD) in infants, 2 sides of the same coin?
Finding: Here we report on a 4-month-old girl with MIS-C and signs of KD with shock. Most (83%) infants with MIS-C had features of KD, especially KD shock syndrome.
Meaning: MIS-C is similar to KD, and likely is a consequence of dysregulated immune responses secondary to sudden acute respiratory syndrome coronavirus 2 infection.
Clinical Note
A neonate infected with coronavirus disease 2019 with severe symptoms suggestive of multisystem inflammatory syndrome in childhood
Fatemeh Eghbalian, Ghazal Sami, Saeid Bashirian, Ensiyeh Jenabi
Clin Exp Pediatr. 2021;64(11):596-598.   Published online September 10, 2021
Question: Can multisystem inflammatory syndrome in childhood (MIS-C) occur in the neonate associated with coronavirus disease 2019 (COVID-19)?
Finding: A 9-day-old neonate infected with COVID-19 had fever, respiratory distress, and gastrointestinal symptoms suggestive of MIS-C. This neonate recovered after treatment with intravenous immunoglobulin (IVIG).
Meaning: IVIG successfully treated a rare case of a 9-day-old neonate with COVID-19 and severe symptoms suggestive of MIS-C.
Original Article
General Pediatrics
Risk factors for childhood pneumonia: a case-control study in a high prevalence area in Indonesia
Vivi Ninda Sutriana, Mei Neni Sitaresmi, Abdul Wahab
Clin Exp Pediatr. 2021;64(11):588-595.   Published online March 15, 2021
Question: Is the incidence of childhood pneumonia influenced by breastfeeding and basic immunization status?
Finding: Exclusive breastfeeding and complete basic immunization status have an effect in limiting the incidence of childhood pneumonia.
Meaning: While exclusive breastfeeding and complete basic immunization the Expanded Program on Immunization status are important factors for reducing the incidence of childhood pneumonia, indoor air pollution was also a significant risk factor.
Assessment of cardiac function in syncopal children without organic causes
Heoungjin Kim, Lucy Youngmin Eun
Clin Exp Pediatr. 2021;64(11):582-587.   Published online March 10, 2021
Question: Does a subtle deterioration in cardiac function affect the severity of syncope in patients without underlying disease?
Finding: For syncope patients with reasonable cardiac function but without underlying disease, tissue Doppler imaging (TDI) measurements helped reveal subtle differences in cardiac function with syncope and predicted the severity of syncope or a potential recurrent event.
Meaning: TDI measurements might be a useful indicator for predicting the severity of syncope.
Original article
The global prevalence of Toxocara spp. in pediatrics: a systematic review and meta-analysis
Behnam Abedi, Mehran Akbari, Sahar KhodaShenas, Alireza Tabibzadeh, Ali Abedi, Reza Ghasemikhah, Marzieh Soheili, Shnoo Bayazidi, Yousef Moradi
Clin Exp Pediatr. 2021;64(11):575-581.   Published online February 5, 2021
Is the global prevalence of toxocariasis high among children? The prevalence of toxocariasis is high in pediatric patients. Asian children are more susceptible to the disease than other children. Its virulence varies among different socioeconomic classes in various countries. Hand washing after soil contact, routine pet deworming, and appropriate disposal of pet feces in households with Asian pediatrics are needed to prevent toxocariasis.
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