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Liver steatosis in children

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https://www.readbyqxmd.com/read/28225568/liver-histology-and-diffusion-weighted-mri-in-children-with-nonalcoholic-fatty-liver-disease-a-magnet-study
#1
Paul Manning, Paul Murphy, Kang Wang, Jonathan Hooker, Tanya Wolfson, Michael S Middleton, Kimberly P Newton, Cynthia Behling, Hannah I Awai, Janis Durelle, Melissa N Paiz, Jorge E Angeles, Diana De La Pena, J Allen McCutchan, Jeffrey B Schwimmer, Claude B Sirlin
PURPOSE: To determine potential associations between histologic features of pediatric nonalcoholic fatty liver disease (NAFLD) and estimated quantitative magnetic resonance diffusion-weighted imaging (DWI) parameters. MATERIALS AND METHODS: This prospective, cross-sectional study was performed as part of the Magnetic Resonance Assessment Guiding NAFLD Evaluation and Treatment (MAGNET) ancillary study to the Nonalcoholic Steatohepatitis Clinical Research Network (NASH CRN)...
February 22, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28197978/managing-cardiovascular-risk-in-lysosomal-acid-lipase-deficiency
#2
REVIEW
James J Maciejko
Lysosomal acid lipase deficiency (LAL-D) is a rare, life-threatening, autosomal recessive, lysosomal storage disease caused by mutations in the LIPA gene, which encodes for lysosomal acid lipase (LAL). This enzyme is necessary for the hydrolysis of cholesteryl ester and triglyceride in lysosomes. Deficient LAL activity causes accumulation of these lipids in lysosomes and a marked decrease in the cytoplasmic free cholesterol concentration, leading to dysfunctional cholesterol homeostasis. The accumulation of neutral lipid occurs predominantly in liver, spleen, and macrophages throughout the body, and the aberrant cholesterol homeostasis causes a marked dyslipidemia...
February 14, 2017: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/28144387/from-the-liver-to-the-heart-cardiac-dysfunction-in-obese-children-with-non-alcoholic-fatty-liver-disease
#3
EDITORIAL
Anna Di Sessa, Giuseppina Rosaria Umano, Emanuele Miraglia Del Giudice, Nicola Santoro
In the last decades the prevalence of non-alcoholic fatty liver disease (NAFLD) has increased as a consequence of the childhood obesity world epidemic. The liver damage occurring in NAFLD ranges from simple steatosis to steatohepatitis, fibrosis and cirrhosis. Recent findings reported that fatty liver disease is related to early atherosclerosis and cardiac dysfunction even in the pediatric population. Moreover, some authors have shown an association between liver steatosis and cardiac abnormalities, including rise in left ventricular mass, systolic and diastolic dysfunction and epicardial adipose tissue thickness...
January 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28101773/what-is-the-appropriate-strategy-for-diagnosing-nafld-using-ultrasonography-in-obese-children
#4
Jee Hyun Lee, Su Jin Jeong
BACKGROUND: The aim of this study is to identify obese children who are candidates for a potential diagnosis of non-alcoholic fatty liver disease (NAFLD). METHODS: We enrolled 242 obese children (122 boys and 120 girls) aged 7-16 years who were examined with abdominal ultrasonography in our pediatric obesity clinic. We compared patients in the normal group with those in the NAFLD group (mild disease, moderate to severe disease) and identified the optimal anthropometric parameters among height, weight, body mass index (BMI), waist circumference, hip circumference, waist to height ratio (WHtR), and waist to hip ratio to predict NAFLD using a receiver operating characteristic curve analysis...
January 19, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28099338/liver-steatosis-in-children-with-chronic-hepatitis-b-and-c-prevalence-predictors-and-impact-on-disease-progression
#5
Maria Pokorska-Śpiewak, Barbara Kowalik-Mikołajewska, Małgorzata Aniszewska, Magdalena Pluta, Bożena Walewska-Zielecka, Magdalena Marczyńska
Only scarce data on liver steatosis in children with chronic hepatitis B and C (CHB and CHC) are available. The objective of this study was to evaluate the prevalence, predictors, and impact of hepatic steatosis on children with CHB and CHC. A total of 78 patients aged 11.5 ± 3.4 years were included: 30 (38%) had CHB, and 48 (62%) had CHC. Steatosis was scored on a 5-point scale, as follows: absent; minimal (≤5% hepatocytes affected), mild (6-33%), moderate (34-66%), and severe (>66%). Stepwise logistic regression was used to determine the factors associated with steatosis and moderate-to-severe steatosis...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28090342/-1-h-mrs-measured-ectopic-fat-in-liver-and-muscle-is-associated-with-the-metabolic-syndrome-in-danish-girls-but-not-in-boys-with-overweight-and-obesity
#6
A Nissen, C E Fonvig, E Chabanova, C Bøjsøe, C Trier, O Pedersen, T Hansen, H S Thomsen, J-C Holm
BACKGROUND: The metabolic syndrome (MetS) is a complication to overweight and obesity, which can be observed already in childhood. Ectopic lipid accumulation in muscle and liver has been shown to associate with the development of insulin resistance and dyslipidemia. Thus, the interaction between MetS and ectopic fat may offer clinical relevance. OBJECTIVES: To investigate the prevalence of MetS, or components hereof, and ectopic fat accumulation in liver and skeletal muscle tissue in children, as well as interactions between these...
December 2016: Obesity Science & Practice
https://www.readbyqxmd.com/read/28045719/hepatic-histology-and-morphometric-measurements-in-idiopathic-extrahepatic-portal-vein-thrombosis-in-children-correlated-to-clinical-outcome-of-meso-rex-bypass
#7
Niramol Tantemsapya, Riccardo Superina, Deli Wang, Grace Kronauer, Peter F Whitington, Hector Melin-Aldana
OBJECTIVE: The aim of this study was to correlate clinical, histologic, and morphometric features of the liver in children with extrahepatic portal vein thrombosis (EHPVT), with surgical outcome after Meso-Rex bypass (MRB). BACKGROUND: Idiopathic EHPVT, a significant cause of portal hypertension, is surgically corrected by MRB. Correlation of histologic and morphometric features of the liver with outcome has not been reported in children. METHODS: We retrospectively reviewed clinical and intraoperative data of 45 children with idiopathic EHPVT...
December 30, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/28041819/circulating-tricarboxylic-acid-cycle-metabolite-levels-in-citrin-deficient-children-with-metabolic-adaptation-with-and-without-sodium-pyruvate-treatment
#8
Hironori Nagasaka, Haruki Komatsu, Ayano Inui, Mariko Nakacho, Ichiro Morioka, Hirokazu Tsukahara, Shunsaku Kaji, Satoshi Hirayama, Takashi Miida, Hiroki Kondou, Kenji Ihara, Mariko Yagi, Zenro Kizaki, Kazuhiko Bessho, Takahiro Kodama, Kazumoto Iijima, Takeyori Saheki, Tohru Yorifuji, Akira Honda
Citrin deficiency causes adult-onset type II citrullinemia (CTLN-2), which later manifests as severe liver steatosis and life-threatening encephalopathy. Long-standing energy deficit of the liver and brain may predispose ones to CTLN-2. Here, we compared the energy-driving tricarboxylic acid (TCA) cycle and fatty acid β-oxidation cycle between 22 citrin-deficient children (age, 3-13years) with normal liver functions and 37 healthy controls (age, 5-13years). TCA cycle analysis showed that basal plasma citrate and α-ketoglutarate levels were significantly higher in the affected than the control group (p<0...
December 24, 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28040302/omega-3-fatty-acids-as-a-treatment-for-non-alcoholic-fatty-liver-disease-in-children-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#9
Lian-Hui Chen, Yong-Fen Wang, Qing-Hong Xu, Shan-Shan Chen
BACKGROUND: The most typical chronic liver disease in children and adolescents is non-alcoholic fatty liver disease (NAFLD). The dietary addition of ω-3 polyunsaturated fatty acids (PUFAs) provides a promising therapy for children with NAFLD due to its convenience and safety; however, several studies suggested contradictory results for PUFA supplementation in children. Hence, we performed a systematic review and meta-analysis to evaluate the effectiveness of PUFA supplementation in children with NAFLD...
December 23, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28007783/early-pqq-supplementation-has-persistent-long-term-protective-effects-on-developmental-programming-of-hepatic-lipotoxicity-and-inflammation-in-obese-mice
#10
Karen R Jonscher, Michael S Stewart, Alba Alfonso-Garcia, Brian C DeFelice, Xiaoxin X Wang, Yuhuan Luo, Moshe Levi, Margaret J R Heerwagen, Rachel C Janssen, Becky A de la Houssaye, Ellen Wiitala, Garrett Florey, Raleigh L Jonscher, Eric O Potma, Oliver Fiehn, Jacob E Friedman
Nonalcoholic fatty liver disease (NAFLD) is widespread in adults and children. Early exposure to maternal obesity or Western-style diet (WD) increases steatosis and oxidative stress in fetal liver and is associated with lifetime disease risk in the offspring. Pyrroloquinoline quinone (PQQ) is a natural antioxidant found in soil, enriched in human breast milk, and essential for development in mammals. We investigated whether a supplemental dose of PQQ, provided prenatally in a mouse model of diet-induced obesity during pregnancy, could protect obese offspring from progression of NAFLD...
December 22, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27920819/co-administration-of-metformin-and-n-acetylcysteine-with-dietary-control-improves-the-biochemical-and-histological-manifestations-in-rats-with-non-alcoholic-fatty-liver
#11
Naglaa Mohamed El-Lakkany, Sayed Hassan Seif El-Din, Abdel-Nasser Abdel-Aal Sabra, Olfat Ali Hammam, Fatma Abdel-Latif Ebeid
Non-alcoholic fatty liver disease (NAFLD) is a burgeoning health problem that affects 1/3 of the adult population and an increasing number of children in developed countries. Oxidative stress and insulin resistance are the mechanisms that seem to be mostly involved in its pathogenesis. This study was conceived in a NAFLD rat model to evaluate the efficacy of both metformin (MTF) and N-acetylcysteine (NAC) with dietary control on biochemical and histologic liver manifestations. Rats were classified into nine groups; normal (I), NAFLD-induced by feeding high-fat diet (HFD; II) for 12 weeks, NAFLD switched to regular diet (RD; III), NAFLD-HFD or -RD treated with MTF in a dose of 150 mg/kg (IV, V), NAC in a dose of 500 mg/kg (VI, VII) or MTF+NAC (VIII, IX) respectively for 8 weeks...
October 2016: Research in Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27905898/physical-activity-and-sedentary-behavior-can-modulate-the-effect-of-the-pnpla3-variant-on-childhood-nafld-a-case-control-study-in-a-chinese-population
#12
Shuo Wang, Jieyun Song, Xiaorui Shang, Nitesh Chawla, Yide Yang, Xiangrui Meng, Haijun Wang, Jun Ma
BACKGROUND: The patatin like phospholipase containing domain 3 gene (PNPLA3) rs738409 C > G polymorphism, one of the most important gene polymorphisms involved in hepatic steatosis, has been reported to interact with different nutrients and dietary patterns on Non-Alcoholic Fatty Liver Disease (NAFLD), but no studies have focused on its interaction with physical activity or sedentary behavior. Therefore, this study aims at determining whether physical activity or sedentary behavior could modulate the effect of the PNPLA3 variant on childhood NAFLD...
December 1, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27869416/non-alcoholic-fatty-liver-disease-a-new-epidemic-in-children
#13
Mirta Ciocca, Margarita Ramonet, Fernando Álvarez
Non-alcoholic fatty liver disease is considered one of the most common causes of liver disease in adults and children, consistent with the increased prevalence of obesity in both populations worldwide. It is a multifactorial condition involving a broad spectrum of liver diseases than range from simple steatosis to steatohepatitis, and characterized by histological findings of inflammation and fibrosis. Its pathogenesis and progression are not fully understood yet, and a more complete understanding of liver disease may aid in developing new therapies and noninvasive diagnostic tools...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27866088/is-ketogenic-diet-treatment-hepatotoxic-for-children-with-intractable-epilepsy
#14
Nur Arslan, Orkide Guzel, Engin Kose, Unsal Yılmaz, Pınar Kuyum, Betül Aksoy, Tansel Çalık
PURPOSE: Long-term ketogenic diet (KD) treatment has been shown to induce liver steatosis and gallstone formation in some in vivo and clinical studies. The aim of this retrospective study was to evaluate the hepatic side effects of KD in epileptic children. METHOD: A total of 141 patients (mean age: 7.1±4.1years [2-18 years], 45.4% girls), receiving KD at least one year for intractable epilepsy due to different diagnoses (congenital brain defects, GLUT-1 deficiency, West syndrome, tuberous sclerosis, hypoxic brain injury, etc...
December 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/27822476/pathogenesis-of-nonalcoholic-steatohepatitis-interactions-between-liver-parenchymal-and-nonparenchymal-cells
#15
REVIEW
Nancy Magee, An Zou, Yuxia Zhang
Nonalcoholic fatty liver disease (NAFLD) is the most common type of chronic liver disease in the Western countries, affecting up to 25% of the general population and becoming a major health concern in both adults and children. NAFLD encompasses the entire spectrum of fatty liver disease in individuals without significant alcohol consumption, ranging from nonalcoholic fatty liver (NAFL) to nonalcoholic steatohepatitis (NASH) and cirrhosis. NASH is a manifestation of the metabolic syndrome and hepatic disorders with the presence of steatosis, hepatocyte injury (ballooning), inflammation, and, in some patients, progressive fibrosis leading to cirrhosis...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27818597/comparison-of-magnetic-resonance-spectroscopy-proton-density-fat-fraction-and-histological-analysis-in-the-quantification-of-liver-steatosis-in-children-and-adolescents
#16
Michele Di Martino, Lucia Pacifico, Mario Bezzi, Rossella Di Miscio, Beatrice Sacconi, Claudio Chiesa, Carlo Catalano
AIM: To establish a threshold value for liver fat content between healthy children and those with non-alcoholic fatty liver disease (NAFLD) by using magnetic resonance imaging (MRI), with liver biopsy serving as a reference standard. METHODS: The study was approved by the local ethics committee, and written informed consent was obtained from all participants and their legal guardians before the study began. Twenty-seven children with NAFLD underwent liver biopsy to assess the presence of nonalcoholic steatohepatitis...
October 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27764892/association-between-plasminogen-activator-inhibitor-1-and-severity-of-liver-injury-and-cardiovascular-risk-in-children-with-non-alcoholic-fatty-liver-disease
#17
R Jin, A Krasinskas, N-A Le, J V Konomi, J Holzberg, R Romero, M B Vos
BACKGROUND: Plasminogen activator inhibitor-1 (PAI-1) is the primary inhibitor of the endogenous fibrinolytic system and is known to be increased in obesity, insulin resistance and non-alcoholic fatty liver disease (NAFLD). We previously demonstrated that PAI-1 levels were closely related to the amount of hepatic steatosis in children. OBJECTIVES: The aim of this study was to characterize plasma PAI-1 in relationship to severity of inflammation and fibrosis, as well as to plasma lipids in children with NAFLD...
October 20, 2016: Pediatric Obesity
https://www.readbyqxmd.com/read/27707653/the-impact-of-morbid-obesity-on-solid-organ-injury-in-children-using-the-atomac-protocol-at-a-pediatric-level-i-trauma-center
#18
Nathan Vaughan, Jeff Tweed, Cynthia Greenwell, David M Notrica, Crystal S Langlais, Shawn D St Peter, Charles M Leys, Daniel J Ostlie, R Todd Maxson, Todd Ponsky, David W Tuggle, James W Eubanks, Amina Bhatia, Cynthia Greenwell, Nilda M Garcia, Karla A Lawson, Prasenjeet Motghare, Robert W Letton, Adam C Alder
INTRODUCTION: Obesity is an epidemic in the pediatric population. Childhood obesity in trauma has been associated with increased incidence of long-bone fractures, longer ICU stays, and decreased closed head injuries. We investigated for differences in the likelihood of failure of non-operative management (NOM), and injury grade using a subset of a multi-institutional, prospective database of pediatric patients with solid organ injury (SOI). METHODS: We prospectively collected data on all pediatric patients (<18years) admitted for liver or splenic injury from September 2013 to January 2016...
February 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27624512/lysosomal-acid-lipase-deficiency-unmasked-in-two-children-with-nonalcoholic-fatty-liver-disease
#19
Ryan W Himes, Sarah E Barlow, Kevin Bove, Norma M Quintanilla, Rachel Sheridan, Rohit Kohli
Lysosomal acid lipase deficiency (LAL-D) is a classic lysosomal storage disorder characterized by accumulation of cholesteryl ester and triglyceride. Although it is associated with progressive liver injury, fibrosis, and end-stage liver disease in children and adolescents, LAL-D frequently presents with nonspecific signs that overlap substantially with other, more common, chronic conditions like nonalcoholic fatty liver disease (NAFLD), metabolic syndrome, and certain inherited dyslipidemias. We present 2 children with NAFLD who achieved clinically significant weight reduction through healthy eating and exercise, but who failed to have the anticipated improvements in aminotransferases and γ-glutamyl transferase...
October 2016: Pediatrics
https://www.readbyqxmd.com/read/27581063/nonobese-fatty-liver-disease
#20
REVIEW
Donghee Kim, W Ray Kim
Nonalcoholic fatty liver disease (NAFLD) refers to a group of conditions characterized by hepatic steatosis in the absence of significant alcohol consumption. NAFLD is seen commonly in patients with metabolic abnormalities associated with obesity, such as type II diabetes, dyslipidemia, and metabolic syndrome. Evidently, however, not all obese subjects develop NAFLD and, more importantly, NAFLD can be found in nonobese individuals. Although NAFLD occurring in nonobese subjects has been reported in children and adults of all ethnicities, it appears to be recognized more frequently in Asians, even when strict ethnicity-specific body mass index criteria are used to define obesity...
August 28, 2016: Clinical Gastroenterology and Hepatology
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