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Review Article
Metabolic complications of obesity in children and adolescents
Hyunjin Park, Jung Eun Choi, Seunghee Jun, Hyelim Lee, Hae Soon Kim, Hye Ah Lee, Hyesook Park
The global prevalence of childhood and adolescent obesity, exacerbated by the COVID-19 pandemic, is affecting not only school-aged children but also preschoolers. Early-onset obesity, along with a higher risk of metabolic complications, may contribute to a lower age of onset of cardiovascular disease (CVD). As metabolic diseases such as diabetes, dyslipidemia, and non-alcoholic fatty liver disease (NAFLD) observed in adulthood...
Original Article
Gastroenterology
Relationship between nonalcoholic fatty liver disease and hyperandrogenemia in adolescents with polycystic ovary syndrome
Ozlem Kara, Hanife Aysegul Arsoy, Murat Keskin
Clin Exp Pediatr. 2023;66(9):395-402.   Published online June 14, 2023
Question: Is polycystic ovary syndrome (PCOS) a risk factor for nonalcoholic fatty liver disease (NAFLD) in adolescents?
Finding: The frequency of NAFLD did not increase in adolescents with PCOS. However, hyperandrogenemia was a risk factor for NAFLD.
Meaning: Adolescents with PCOS and hyperandrogenemia should be closely monitored for hepatic steatosis.
Review Article
Endocrinology
Nonalcoholic fatty liver disease and insulin resistance in children
Kyungchul Song, Ho-Seong Kim, Hyun Wook Chae
Clin Exp Pediatr. 2023;66(12):512-519.   Published online January 9, 2023
· The prevalence of pediatric nonalcoholic fatty liver disease (NAFLD) increased from 8.2% in 2009 to 12.1% in 2018 in Korea.
· Laboratory tests, biomarkers, and imaging studies are used for the early detection of NAFLD.
· Insulin resistance is closely related to NAFLD.
Original Article
Endocrinology
Effects of probiotics combined with dietary and lifestyle modification on clinical, biochemical, and radiological parameters in obese children with nonalcoholic fatty liver disease/nonalcoholic steatohepatitis: a randomized clinical trial
Thushara Rodrigo, Samaranayake Dulani, Sumudu Nimali Seneviratne, Arjuna P. De Silva, Jerad Fernando, H. Janaka De Silva, Jayasekera , V. Pujitha Wickramasinghe
Clin Exp Pediatr. 2022;65(6):304-311.   Published online November 11, 2021
Question: Could probiotics be used as a therapeutic modality in nonalcoholic fatty liver disease/nonalcoholic steatohepatitis?
Finding: There seem no added advantages over lifestyle modifications compared to Probiotics.
Meaning: There does not seem to be an advantage of probiotics over lifestyle modifications in improving obesity-associated metabolic derangement in children.
Lipid accumulation product is a predictor of nonalcoholic fatty liver disease in childhood obesity
Bahar Özcabı, Salih Demirhan, Mesut Akyol, Hatice Öztürkmen Akay, Ayla Güven
Clin Exp Pediatr. 2019;62(12):450-455.   Published online October 28, 2019
Background: Lipid accumulation product (LAP) is associated with the presence and severity of nonalcoholic fatty liver disease (NAFLD) in adults.
Purpose: Here we evaluated the ability of LAP to predict NAFLD in obese children. Methods: Eighty obese children (38 girls; age 6–18 years) were included. Anthropometric measurements and biochemical values were obtained from the patients’ medical records. LAP was calculated as [waist...
Gastroenterology
Nonalcoholic fatty liver disease in obese and nonobese pediatric patients
Eun Jeong Kim, Hyun Jin Kim
Clin Exp Pediatr. 2019;62(1):30-35.   Published online September 17, 2018

Purpose: Obesity is risk factor for nonalcoholic fatty liver disease (NAFLD). However, nonobese patients are also increasingly susceptible to NAFLD. The aim of this study was to compare the clinical characteristics of obese and nonobese pediatric patients with NAFLD. Methods: We retrospectively studied 68 patients who were diagnosed with NAFLD between January 2010 and October 2016 at 10–18 years of age....
Clinical significance of serum alanine aminotransferase and lifestyle intervention in children with nonalcoholic fatty liver disease
Kyoung Ah Kwon, Peter Chun, Jae Hong Park
Clin Exp Pediatr. 2016;59(9):362-367.   Published online September 21, 2016
Purpose

This study aimed to investigate the clinical significance of serum alanine aminotransferase (ALT) levels in children with nonalcoholic fatty liver disease (NAFLD) and the effect of lifestyle intervention on NAFLD.

Methods

The clinical data of 86 children diagnosed with NAFLD were reviewed retrospectively. Forty-six patients belonged to the elevated ALT group and 40 to the normal ALT group. The clinical parameters of...

Review Article
Noninvasive diagnosis of pediatric nonalcoholic fatty liver disease
Hye Ran Yang
Clin Exp Pediatr. 2013;56(2):45-51.   Published online February 25, 2013

Because nonalcoholic steatohepatitis can progress towards cirrhosis even in children, early detection of hepatic fibrosis and accurate diagnosis of nonalcoholic fatty liver disease (NAFLD) are important. Although liver biopsy is regarded as the gold standard of diagnosis, its clinical application is somewhat limited in children due to its invasiveness. Noninvasive diagnostic methods, including imaging studies, biomarkers of inflammation, oxidative stress,...

Original Article
The efficacy of aspartate aminotransferase-to-platelet ratio index for assessing hepatic fibrosis in childhood nonalcoholic steatohepatitis for medical practice
Earl Kim, Yunkoo Kang, Seungmin Hahn, Mi Jung Lee, Young Nyun Park, Hong Koh
Clin Exp Pediatr. 2013;56(1):19-25.   Published online January 29, 2013
Purpose

Childhood obesity is associated with nonalcoholic fatty liver disease (NAFLD), and it has become one of the most common causes of childhood chronic liver diseases which significant as a cause of liver related mortality and morbidity in children in the United States. The development of simpler and easier clinical indices for medical practice is needed to identify advanced hepatic fibrosis...

Clinical characteristics of obese boys and girls in a high school: focused on abdominal fat indices, fatty liver and carotid intima-media thickness
Jung Eun Oh, Jiyoung Jung, Hae Soon Kim, Young Mi Hong, Jung Hyun Yoo, Young Whan Song, Jo Won Jung, Nam Su Kim, Chung Il Noh
Clin Exp Pediatr. 2011;54(7):292-297.   Published online July 31, 2011
Purpose

Our study aimed to evaluated sex differences in clinical features of obese high school students.

Methods

One hundred three obese high school students (body mass index [BMI]≥85th percentile) and 51 control students (BMI<85th percentile) were enrolled in this study. Anthropometric measurements were performed. Fasting serum glucose, insulin, aspartate aminotransferase, alanine aminotransferase, total cholesterol, triglyceride, low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C),...

Case Report
A case of hepatopulmonary syndrome in a child with fatty liver disease secondary to hypopituitarism after craniopharyngioma resection
Sun Ju Im, Hyun Seok Park, Hyoung Doo Lee, Jae Hong Park, Hee Ju Park
Clin Exp Pediatr. 2007;50(8):794-798.   Published online August 15, 2007
Hepatopulmonary syndrome is a triad that includes: hepatic dysfunction, intrapulmonary vascular dilatation and abnormal arterial oxygenation. The incidence of intrapulmonary vascular dilatations, in adults with end-stage liver disease, has been reported to be 13% to 47%, however the incidence in children is unclear and the cases in Korean children have never been reported. The hepatopulmonary syndrome may occur as a...
Original Article
Correlation of Body Mass Index, Body Fat Distribution, Aminotranferases and Computed Tomography in Obese Children with Fatty Liver
So Eun Park, Hye Ran Yang, Ju Young Chang, Jae Sung Ko, Jeong Kee Seo, Whal Lee, Woo Sun Kim
Clin Exp Pediatr. 2005;48(3):276-283.   Published online March 15, 2005
Purpose : Visceral fat accumulation plays a major role in metabolic complications of obesity. It is known that nonalcoholic fatty liver in obese adults is associated with visceral fat accumulation. Body mass index(BMI) is used as the index of obesity in children. The aim of this study is to evaluate the correlation of BMI and visceral adipose tissue(VAT), and the...
Prevalence of the Nonalcoholic Fatty Liver Disease in Obese Children
Sung Woog Hwang, Duk Hee Kim, Ho Seong Kim
Clin Exp Pediatr. 2005;48(1):13-20.   Published online January 15, 2005
Purpose : Obesity is, along with metabolic syndrome, closely related with nonalcoholic fatty liver disease. This study tried to evaluate the prevalence of nonalcoholic liver disease in obese children and verify the factors associated with the disease. Methods : Two hundred and seventy nine children who showed a body mass index of 95 percentile over the baseline in health examinations...
Serum Fatty Acid and Carnitine Levels in Obese Children with Fatty Livers
Jin Bum Lee, Jae Won Lee, Young Mi Hong
Clin Exp Pediatr. 2002;45(9):1083-1089.   Published online September 15, 2002
Purpose : The prevalence of obese children has recently increased. Obesity is known to be associated with complications such as hypertension, fatty liver, hyperlipidemia, and insulin resistance. L-carnitine is an essential cofactor for the transport of long chain fatty acids into mitochondria for β-oxidation. The purpose of this study is to measure serum free fatty acid and carnitine levels, and...
Risk Factors for Fatty Liver in Obese Children
Ki Won Park, Jong Eun Lee, Kyung Ha Ryu, Kyung Hyo Kim, Young Mi Hong, Gyung Hee Kim, Keun Lee, Jeong Hyun Yoo
Clin Exp Pediatr. 2001;44(6):669-676.   Published online June 15, 2001
Purpose : The incidence of obese patients has increased recently in Korea. Obesity is associated with hypertension, hyperlipidemia, insulin resistance, and fatty liver. Since recent investigators have revealed that not only fat accumulation but also fibrosis and nonspecific hepatitis can be found in the livers of obese children, fatty liver is currently considered as an important complication. The purpose of...
Predictor of Fatty Liver in Obese Children
Hyunmi Kim, Young Mi Hong, Gyoung-Hee Kim, Jung Hyun Yu
Clin Exp Pediatr. 1996;39(6):803-810.   Published online June 15, 1996
Purpose : The childhood obesity is currently increasing. The childhood obesity is difficult to treat and the response of treatment is transitory because it is caused by the hyperplasia of fatcells. The complications of obesity are hyperlipidemia, hypertension, diabetes, artherosclerotic coronary arterial disease and fatty liver. Therefore the early diagnosis and prevention of obesity from childhood is very important. This study...
The incidence of complications in severely obese children.
Dong Hwan Lee, Chong Guk Lee, Chul Lee, Yong Seung Hwang, Sung Ho Cha, Yong Choi
Clin Exp Pediatr. 1991;34(4):445-453.   Published online April 30, 1991
The measurement of body weight, height and blood pressure, urine sugar, oral glucose tolerance test, S-GOT, S-GPT, cholesterol, triglyceride, HDL-cholesterol, LDL-cholesterol tests were made in 324 severely obese elementary, middle and high school students (218 boys and 106 girls) to know the incidence of complication in these children. . The results were as follow: 1) S-GOT or S-GPT were increased abnormally in 38.3% and fatty livers were...
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