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BACKGROUND The prevalence of metabolic (dysfunction)-associated fatty liver disease (MAFLD) increases together with the epidemic of childhood obesity. An important mechanism in the phenomenon appears to be insulin resistance (IR), the assessment of which in children is problematic. The homeostatic model assessment of IR (HOMA-IR), commonly used for this, is not standardized and appears not to correlate with IR in the pediatric population. Therefore, our study aimed to evaluate potential substitute indices of IR, including the triglyceride-glucose index (TyG), triglyceride to high-density lipoprotein cholesterol ratio (TG/HDL-C), modified TyG indices: TyG-waist circumference (TyG-WC) and TyG-body mass index (TyG-BMI) as surrogate markers of MAFLD in obese children suspected to have liver disease. MATERIAL AND METHODS The retrospective study included 264 obese children admitted to the Department to diagnose suspected liver disease. MAFLD was diagnosed according to the International Expert Consensus Statement. Anthropometric measurements and laboratory tests were made and the indices were calculated. Receiver operating characteristics analysis was performed to calculate the power of the indices. RESULTS MAFLD was diagnosed in 184 patients (70%). Obese children with MAFLD showed significantly higher activity of liver enzymes and concentration of total cholesterol, TG, WC, and waist-to-hip ratio compared to non-hepatopathic obese controls (n=80). The most important indices in identifying MAFLD were: TyG (AUC=0.641, p<0.001, cut-off =8.41, sensitivity=57.4%, specificity=68.8%), and TG/HDL-C (AUC=0.638, p<0.001, cut-off=2.5, sensitivity=48.6%, specificity=76.3%). TyG-BMI and HOMA-IR were not useful predictors. CONCLUSIONS TyG and TG/HDL-C can be considered as potential surrogate biomarkers in predicting MAFLD in obese children.
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Índice de Masa Corporal , Resistencia a la Insulina , Sobrepeso , Obesidad Infantil , Triglicéridos , Humanos , Niño , Masculino , Femenino , Triglicéridos/sangre , Obesidad Infantil/sangre , Obesidad Infantil/complicaciones , Sobrepeso/sangre , Sobrepeso/complicaciones , Adolescente , Estudios Retrospectivos , Glucemia/metabolismo , Glucemia/análisis , Obesidad/complicaciones , Obesidad/sangre , Obesidad/metabolismo , Antropometría/métodos , Circunferencia de la Cintura , HDL-Colesterol/sangre , Curva ROC , Biomarcadores/sangre , Hígado Graso/sangre , Hígado Graso/complicaciones , Enfermedad del Hígado Graso no Alcohólico/sangre , Enfermedad del Hígado Graso no Alcohólico/metabolismo , Enfermedad del Hígado Graso no Alcohólico/complicacionesRESUMEN
BACKGROUND Respiratory tract infections (RTIs) in children often involve a complex interplay between viruses and bacteria. This study aimed to evaluate clinical presentation in children under 5 years old diagnosed with non-COVID-19 bacterial and viral respiratory tract co-infections between October 2021 and May 2022 in Bialystok, Poland. MATERIAL AND METHODS We recruited 100 children under 5 years with RTIs who tested negative for SARS-CoV-2. Nasopharyngeal swabs were screened for 19 viruses and 7 bacterial strains using molecular assays. RESULTS Viral pathogens were detected in 71% of patients and bacterial pathogens were detected in 59%. The most common pathogens were Haemophilus influenzae (n=48), rhinoviruses (n=32), and Streptococcus pneumoniae (n=30). Single pathogens were detected in 36%, dual in 37%, triple in 15%, and quadruple in 2%. Bacterial pathogens were co-detected with viruses in 40 cases, mostly with rhinoviruses (n=15). Two different viruses were found in 14 children and the most common co-detection was adenovirus with rhinovirus (n=5); dyspnea (63% vs 11%) and wheezing (75% vs 22%) were more common in children with human bocavirus. Fever was a common symptom in children with human adenovirus (88% vs 58%). Detection of bacteria and multiple detections were more common in day-care attendees, but were not associated with clinical picture of RTI. CONCLUSIONS Consistent with previous studies, we found a high prevalence of rhinoviruses, despite ongoing implementation of non-pharmaceutical interventions to contain the COVID-19 pandemic. Co-detection of 2 different respiratory pathogens was frequent, but we found no evidence that this was associated with the severity of infections.
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COVID-19 , Infecciones del Sistema Respiratorio , Virus , Humanos , Niño , Lactante , Preescolar , Estudios Prospectivos , Polonia/epidemiología , Pandemias , COVID-19/diagnóstico , COVID-19/epidemiología , SARS-CoV-2 , Infecciones del Sistema Respiratorio/diagnóstico , Infecciones del Sistema Respiratorio/epidemiología , Infecciones del Sistema Respiratorio/microbiología , Bacterias/genética , RhinovirusRESUMEN
BACKGROUND In recent years, an increasing prevalence of Helicobacter pylori resistance to antibiotics has been observed. The aim of this study was to assess antibiotic resistance of Helicobacter pylori in previously untreated children from northeast Poland. MATERIAL AND METHODS Inclusion criteria comprised suspicion of Helicobacter pylori infection based on the presence of Helicobacter pylori antigen in the stool and/or characteristic macroscopic lesions seen on esophagogastroduodenoscopy. Samples of the gastric and/or duodenal mucosa were collected from 82 children with a median age of 13 years (range 3-17) during esophagogastroduodenoscopy between February 2019 and May 2022. The material was cultured, and positive Helicobacter pylori strains were tested for drug resistance to amoxicillin, metronidazole, and clarithromycin using the quantitative antibiotic concentration gradient stripe method E-test. RESULTS Based on biopsy culture, Helicobacter pylori infection was confirmed in 50 (61%) children. Helicobacter pylori resistance was most common to clarithromycin (n=19; 38%), followed by metronidazole (n=15; 30%), and the least frequent to amoxicillin (n=13; 26%). The resistance to 1 antibiotic was found in 14 children (28%). Double-drug resistance was noted in 3 children (6%) and triple drug resistance in 9 children (18%). In the whole group, 24 children (48%) were susceptible to all 3 antibiotics. CONCLUSIONS In this study, conducted for the first time in treatment-naïve children in northeast Poland, we found a high proportion of Helicobacter pylori strains resistant to at least 1 antibiotic. Our results may help in the appropriate choice of antibiotics for treatment of Helicobacter pylori in our region.
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Infecciones por Helicobacter , Helicobacter pylori , Niño , Humanos , Preescolar , Adolescente , Antibacterianos/farmacología , Antibacterianos/uso terapéutico , Claritromicina/farmacología , Claritromicina/uso terapéutico , Metronidazol/farmacología , Metronidazol/uso terapéutico , Infecciones por Helicobacter/tratamiento farmacológico , Polonia/epidemiología , Biopsia , Amoxicilina/farmacología , Amoxicilina/uso terapéuticoRESUMEN
The coexistence of inflammatory bowel disease (IBD) with pancreatic pathology is rare in children. A retrospective analysis of data from 1538 children diagnosed with IBD in 2014-2021 was conducted to determine the frequency and causes of pancreatitis and asymptomatic hyperlipasemia (HL) or hyperamylasemia (HA) in this group of patients. Among the 176 children (11.4%) with pancreatic involvement (PI), acute pancreatitis (AP) was diagnosed in 77 children (43.8%), and HA or HL was observed in 88 children (50.0%). Only a few patients were diagnosed with autoimmune or chronic pancreatitis (6.2%). PI was observed at the time of the IBD diagnosis in 26.1% of the cases. A total of 54.5% of the patients had moderate to severe IBD, and 96% had colonic involvement at the time of diagnosis of PI. Idiopathic PI was the most common (57%), followed by drug-induced PI (37%) and azathioprine (AZA). In patients with AZA-induced AP, the successful introduction of 6-mercaptopurine (6-MP) to therapy was noted in 62.5% of the children. Our results suggest that routine monitoring of pancreatic enzymes in patients with IBD should be performed, especially after the initiation of the AZA treatment. The presence of transient HA/HL in IBD does not necessarily indicate pancreatic pathology.
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The incidence of gallstone disease has increased in recent years. The pathogenesis of cholelithiasis is not fully understood. The occurrence of the disease is influenced by both genetic and environmental factors. This article reviews the literature on cholelithiasis in children, with the exception of articles on hematological causes of cholelithiasis and cholelithiasis surgery. The aim of this review is to present the latest research on the pathogenesis of gallstone disease in children. The paper discusses the influence of all factors known so far, such as genetic predisposition, age, infections, medications used, parenteral nutrition, and comorbidities, on the development of gallstone disease. The course of cholelithiasis in the pediatric population is complex, ranging from asymptomatic to life-threatening. Understanding the course of the disease and predisposing factors can result in a faster diagnosis of the disease and administration of appropriate treatment.
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Colelitiasis , Humanos , Niño , Adolescente , Colelitiasis/epidemiología , Colelitiasis/etiología , Colelitiasis/diagnóstico , Causalidad , Comorbilidad , Predisposición Genética a la EnfermedadRESUMEN
(1) Background: Disturbances in the sphingolipid profile are observed in many diseases. There are currently no data available on the evaluation of sphingolipids and ceramides in cholelithiasis in children. The aim of this study was to evaluate the concentrations of sphingolipids in the sera of pediatric patients with gallstones. We determined their relationship with anthropometric and biochemical parameters. (2) Methods: The concentrations of sphingolipids in serum samples were evaluated using a quantitative method, ultra-high-performance liquid chromatography-tandem mass spectrometry. (3) Results: The prospective study included 48 children and adolescents diagnosed with gallstones and 38 controls. Serum concentrations of total cholesterol (TC); sphinganine (SPA); ceramides-C14:0-Cer, C16:0-Cer, C18:1-Cer, C18:0-Cer, C20:0-Cer and C24:1-Cer; and lactosylceramides-C16:0-LacCer, C18:0-LacCer, C18:1-LacCer, C24:0-LacCer and C24:1-LacCer differed significantly between patients with cholelithiasis and without cholelithiasis. After adjusting for age, gender, obesity and TC and TG levels, we found the best differentiating sphingolipids for cholelithiasis in the form of decreased SPA, C14:0-Cer, C16:0-Cer, C24:1-LacCer and C24:0-LacCer concentration and increased C20:0-Cer, C24:1-Cer, C16:0-LacCer and C18:1-LacCer. The highest area under the curve (AUC), specificity and sensitivity were determined for C16:0-Cer with cholelithiasis diagnosis. (4) Conclusions: Our results suggest that serum sphingolipids may be potential biomarkers in pediatric patients with cholelithiasis.
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Chronic pancreatitis (CP) is a rare disease in children. We describe the first case of a 3-year-old Caucasian patient with CP with the presence of a homozygous pathogenic variant c.194 + 2T > C in serine protease inhibitor, Kazal type 1 ( SPINK1 ) and pancreas divisum.
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Background: Alcohol consumption by adolescents is responsible for a number of adverse health and social outcomes. Despite the well-established effect of alcohol use on the development of alcoholic liver disease, the relationship between the pattern of alcohol consumption and liver fibrosis is still unclear. This study is a follow-up to work on liver damage from alcohol intoxication. The aim of our study was to explore the early effects of alcohol intoxication on liver fibrosis in adolescents. Methods: The prospective study included 57 adolescents aged 14−17 years admitted to the emergency department (ED) from February 2017 to June 2018 due to acute alcohol intoxication. Serum levels of amino terminal propeptide of type III procollagen (PIIINP), type IV collagen, matrix metallopeptidase 9 (MMP-9) and tissue inhibitor of metalloproteinase 1 (TIMP-1) were determined by enzyme-linked immunosorbent assays. Results: There were significant differences in MMP-9 (p = 0.02) and TIMP-1 (p = 0.007) levels between the study and control groups. Liver parameters and selected markers of fibrosis were similar in groups in terms of blood alcohol concentrations (BAC). MMP-9 was positively correlated with alanine aminotransferase (ALT) (r = 0.38; p = 0.004) and total bilirubin (r = 0.39; p = 0.004). Positive significant correlations were also found between TIMP-1 and ALT (r = 0.47; p < 0.001), AST (r = 0.29; p = 0.03) and total bilirubin (r = 0.32; p = 0.02). In receiver operating characteristic (ROC) analysis, MMP-9 (AUC = 0.67, p = 0.02) and TIMP-1 (AUC = 0.69, p = 0.003) allowed for the differentiation of patients with and without alcohol intoxication. Conclusion: Our results show that even a single episode of alcohol intoxication in adolescents can lead to imbalance in markers of fibrosis.
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Intoxicación Alcohólica , Metaloproteinasa 9 de la Matriz/sangre , Inhibidor Tisular de Metaloproteinasa-1/sangre , Adolescente , Bilirrubina , Biomarcadores , Fibrosis , Humanos , Cirrosis Hepática , Estudios ProspectivosRESUMEN
Adipose tissue is the main source of adipokines and therefore serves not only as a storage organ, but also has an endocrine effect. Chemerin, produced mainly in adipocytes and liver, is a natural ligand for chemokine-like receptor 1 (CMKLR1), G-protein-coupled receptor 1 (GPR1) and C-C motif chemokine receptor-like 2 (CCRL2), which have been identified in many tissues and organs. The role of this protein is an active area of research, and recent analyses suggest that chemerin contributes to angiogenesis, adipogenesis, glucose homeostasis and energy metabolism. Many studies confirm that this molecule is associated with obesity in both children and adults. We conducted a systematic review of data from published studies evaluating chemerin in children with various disease entities. We searched PubMed to identify eligible studies published prior to February 2022. A total of 36 studies were selected for analysis after a detailed investigation, which was intended to leave only the research studies. Moreover, chemerin seems to play an important role in the development of cardiovascular and digestive diseases. The purpose of this review was to describe the latest advances in knowledge of the role of chemerin in the pathogenesis of various diseases from studies in pediatric patients. The mechanisms underlying the function of chemerin in various diseases in children are still being investigated, and growing evidence suggests that this adipokine may be a potential prognostic biomarker for a wide range of diseases.
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Extraintestinal manifestations (EIMs) are observed in 15-20% of patients with inflammatory bowel disease (IBD). One of the rare EIMs is myocarditis, the incidence of which is estimated at around 1%. The main cause of myocarditis is a viral infection. Other causes include autoimmune diseases and drug complications (sulfasalazine, mesalazine). We present the case of an 11-year-old girl with Crohn's disease (CD) with EIMs, manifested as hip joint inflammation and erythema nodosum. At the same time, the symptoms of myopericarditis appeared with changes in electrocardiogram (ECG), echocardiography and high troponin I concentration. Therapy with corticosteroids resulted in the resolution of skin lesions and cardiological symptoms. Systemic connective tissue diseases, viral and bacterial infections were excluded in the differential diagnosis. The suspicion of mesalazine-induced EIMs was also ruled out as the symptoms resolved despite continued therapy with mesalazine. No further recurrences of myopericarditis were observed.
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The spectrum of liver involvement during coronavirus disease 2019 (COVID-19) is broad and mainly includes elevated liver enzymes and cholestasis. Severe acute respiratory syndrome corona- virus-2 (SARS-CoV-2) infection most often leads to a transient moderate increase in liver enzymes that is not accompanied by disturbances in the synthetic function of the liver. However, there is increasing evidence that SARS-CoV-2 infection is associated with the development of autoimmune disorders. The pathogenesis of autoimmune hepatobiliary diseases is not fully understood, taking into account genetic and environmental factors such as viral infections. We present a pediatric case of autoimmune sclerosing cholangitis (ASC), which was diagnosed 2 months after SARS-CoV-2 infection. To the best of our knowledge, ASC potentially triggered by COVID-19 has not been reported in pediatric patients. Further studies are needed to describe the clinical impact of the development of autoimmune liver diseases potentially associated with SARS-CoV-2 infection in pediatric patients. Our observations indicate that children with liver injury potentially caused by COVID-19 require long-term monitoring of liver function parameters.
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BACKGROUND: Inflammatory bowel disease (IBD) in children is frequently associated with liver pathology manifested as transient elevation of liver enzymes or specified liver diseases. The aim of the study was to evaluate the prevalence and the type of liver pathology in children with IBD within 2 years' follow-up after the IBD diagnosis. METHODS: We retrospectively reviewed records of children with IBD. Liver pathology was defined as elevated activity of liver enzymes (alanine transaminase (ALT) and/or gamma-glutamyl transpeptidase (GGT)) and bilirubin concentration in serum and/or as pathological changes of the organ on imaging tests (abdominal ultrasound and/or magnetic resonance cholangiopancreatography) or on liver histology performed when indicated. RESULTS: Liver pathology was detected in 21 from 119 children (18%), including 7 (17%) with Crohn's disease (CD) and 14 (18%) with ulcerative colitis (UC). Specified diagnosis for liver abnormality was found in 14 of 21 children (67%), including primary sclerosing cholangitis (PSC, 19%), non-alcoholic fatty liver disease (NAFLD, 19%), autoimmune sclerosing cholangitis (ASC, 5%), autoimmune hepatitis (AIH, 5%), cholelithiasis (5%), drug-induced liver disease (9%) and viral infection (herpes simplex virus, 5%). Most patients manifested mild IBD or were in clinical remission at the time of liver pathology diagnosis. 14% of patients with liver disease (including only cases with PSC) were diagnosed before IBD, 33% at the same time, and 52% in the later period. Patients with the specified diagnosis of liver pathology were younger, had higher ALT activity and more often demonstrated liver abnormalities on imaging tests. UC patients with idiopathic elevation of liver enzymes had higher pediatric ulcerative colitis activity index scores compared to children with specified liver disease. CONCLUSIONS: Liver pathology was observed in a significant percentage of children with IBD in our study. The majority of cases of hepatobiliary abnormalities were detected after diagnosis of IBD; therefore, children with IBD should undergo routine monitoring of liver enzymes.
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The novel coronavirus disease (COVID-19) was detected for the first time in China in December 2019. Soon after it was declared a pandemic. Main symptoms include fever, dyspnea, cough, muscle pain, headache, anosmia and ageusia, however a growing body of evidence shows that other organs can be affected. Gastrointestinal manifestations have been observed in a considerable number of patients and include abdominal pain, diarrhea and vomiting. The involvement of liver as well as pancreas has been also described, however there are only a few cases of acute pancreatitis reported in patients with COVID-19. Therefore, we present a case of 6-year-old child with mild acute pancreatitis and COVID-19 pneumonia.
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BACKGROUND: Underage drinking is associated with health risk behaviors. Serum keratin-18 (CK18) levels are increased in liver diseases and may be biomarkers of outcome. The purpose of this study was to determine if the total CK18 (M65) or caspase-cleaved CK18 (M30) levels were different in adolescents admitted to hospital because of alcohol intoxication and controls with excluded liver diseases. METHODS: A prospective study included 57 adolescents after alcohol use and 23 control subjects. The concentrations of M30 and M65 in the serum samples were evaluated using an enzyme-linked immunosorbent assay. RESULTS: The median age was 15 (14-17) years and 49% were male. There were significant differences in M65 levels between the study and control groups (p = 0.03). The concentrations of M30 and M65 were insignificant in adolescents divided into subgroups according to blood alcohol concentrations (BAC). Significant positive correlations were found between BAC and M65 levels (p = 0.038; r = 0.3). In receiver operating characteristic (ROC) analysis M65 (cut-off = 125.966 IU/l, Se = 70.2%, Sp = 43.5%) allowed to differentiate between patients with and without alcohol intoxication (AUC = 0.66, p = 0.03). CONCLUSION: M65 appears to be a promising non-invasive biomarker of hepatocyte injury during alcohol intoxication in adolescents. Moreover, a higher concentration of M65 may indicate early organ injury before the increase in the activity of liver enzymes, alanine aminotransferase (ALT) and aspartate aminotransferase (AST).
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Enfermedad Hepática Inducida por Sustancias y Drogas/diagnóstico , Hepatocitos/patología , Queratina-18/análisis , Adolescente , Alanina Transaminasa/sangre , Intoxicación Alcohólica/sangre , Intoxicación Alcohólica/fisiopatología , Apoptosis , Aspartato Aminotransferasas/sangre , Biomarcadores/sangre , Enfermedad Hepática Inducida por Sustancias y Drogas/sangre , Ensayo de Inmunoadsorción Enzimática , Femenino , Hepatocitos/metabolismo , Humanos , Queratina-18/sangre , Masculino , Fragmentos de Péptidos/sangre , Polonia , Datos Preliminares , Estudios Prospectivos , Curva ROC , Consumo de Alcohol en MenoresRESUMEN
Non-alcoholic fatty liver disease (NAFLD) has become the most common liver pathology worldwide due to the rising prevalence of obesity. This term includes changes from simple steatosis to steatohepatitis and fibrosis. It was previously thought to be a hepatic manifestation of metabolic syndrome, but recent literature describes this relation as much more complex and bi-directional. Development of NAFLD is associated with other metabolic syndrome components but it can also exacerbate insulin resistance and increase cardiovascular risk. Recently a lot of attention is brought to the role of lipids and lipotoxicity in pathogenesis and progression of non-alcoholic fatty disease. It seems that some lipid classes can be protective against liver injury while others are harmful in excessive amounts. This study presents an overview of the main lipids involved in the pathogenesis of non-alcoholic fatty liver disease and summarizes their association with lipotoxicity, insulin resistance, oxidative stress and other processes responsible for its progression.
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Neutropenia, congenital or acquired, is related to impaired granulocyte production in the bone marrow or increased destruction by antibodies. Autoimmune neutropenia of infancy (AIN) is associated with the occurrence of antineutrophil antibodies. AIN is the most common cause of neutropenia in infants and young children. However, its incidence is low. Detection of anti-neutrophil antibodies is an important step in confirming the diagnosis of AIN, although their detection is difficult due to low titer and poor avidity. In differential diagnosis, another cause of neutropenia should be considered, such as a drug-induced mechanism, viral infection, autoimmune and metabolic disease, hematological conditions or immune deficiency syndromes. Despite the benign course of AIN, serious infectious complications can occur. Spontaneous remission of neutropenia was observed in 95% of patients during 24 months of follow-up. We present a case of a 10-month-old boy with deafness, heart defect and Morgagni-Larrey hernia diagnosed in our department because of formation of a skin abscess due to autoimmune neutropenia.
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Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in the world, which predispose to more serious hepatic conditions. It ranges from simple liver steatosis to nonalcoholic steatohepatitis (NASH), which may progress to cirrhosis, and even end-stage liver disease. Since obesity became one of the most important health concerns wordwide, a considerable increase in the prevalance of NAFLD and other metabolic implications has been observed, both in adults and children. Due to the coexistence of visceral obesity, insulin resistance, dyslipidemia, NAFLD is considered to be the hepatic manifestation of metabolic syndrome (MetS). These relationships between NAFLD and MetS led to the set up in adults of a new term combining both of these conditions, called metabolic dysfunction-associated fatty liver disease (MAFLD). Based on these findings, we propose a set of criteria, which may be useful to diagnose MAFLD in children and adolescents.
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BACKGROUND AND AIM: Adipokines and hepatokines are proteins secreted by adipose tissue and the liver. To date, the levels of adipokines and hepatokines in cholelithiasis have only been evaluated in studies in adult patients. The purpose of our research was to assess the levels of circulating adipokines: chemerin, vaspin, progranulin, retinol-binding protein 4 (RBP-4) and hepatokine: fibroblast growth factor 21 (FGF-21) and to compare their concentrations in paediatric patients with and without cholelithiasis. METHODS: The prospective study included 54 children and adolescents diagnosed with gallstones and 26 controls. Fasting serum levels of adipokines and hepatokine were determined by enzyme-linked immunosorbent assays. RESULTS: The serum levels of chemerin, FGF-21 and RBP-4 were significantly higher in children and adolescents with gallstones compared to the control group. Elevated levels of triglycerides, RBP-4, and a homeostatic model for assessing insulin resistance (HOMA-IR) were observed in overweight or obese patients compared to patients with normal weight and cholelithiasis. Chemerin concentrations were increased in the normal-weight children and adolescents with cholelithiasis compared to the control group. Children and adolescents with gallstones and abnormal weight had significantly higher levels of chemerin, FGF-21 and RBP-4 than healthy controls. CONCLUSION: Elevated serum chemerin levels were significantly higher in non-obese patients with cholelithiasis than in non-obese controls, suggesting a potential role of chemerin in the development of cholelithiasis in children and adolescents.
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Quimiocinas , Colelitiasis , Resistencia a la Insulina , Adipoquinas , Adolescente , Adulto , Quimiocinas/sangre , Niño , Colelitiasis/etiología , Humanos , Péptidos y Proteínas de Señalización Intercelular , Estudios ProspectivosRESUMEN
BACKGROUND: An increase in the incidence of eosinophilic esophagitis worldwide is being observed in children. The aim of the study was to analyze the incidence, clinical manifestations, biochemical markers and endoscopic features of children with eosinophilic esophagitis in comparison to patients with non-eosinophilic esophagitis. METHODS: This single-center retrospective study included newly diagnosed children with eosinophilic (EoE) and non-eosinophilic (non-EoE) esophagitis based on endoscopic and histopathological results between January 2013 and December 2018. RESULT: Among 433 of enrolled children with esophagitis, 36 (8.31%) were diagnosed with EoE (median age of 10 years). Male predominance and an increased percentage of allergy cases in the EoE group were noticed. Dysphagia was the only symptom that significantly differentiated both groups (p = 0.006). Endoscopic findings with relevant relationships with EoE included linear fissuring, decreased vascular pattern, trachealization and whitish exudates. No significant difference in the prevalence of other reported diseases between groups was observed. CONCLUSION: The results of EoE analysis in children from North-Eastern Poland did not differ from reports from other countries. The reported symptoms were not specific for EoE, and only dysphagia and some endoscopic lesions were helpful to differentiate children with EoE from non-EoE.
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BACKGROUND AND AIMS: Eosinophilic esophagitis (EoE) is a chronic, local immune-mediated esophageal disease with eosinophil-dominated inflammation. The incidence of the disease is rapidly increasing in both children and adults. The pathogenesis of the disease is still not well understood. We present a review of the literature devoted to the EoE immunopathology, in particular the markers of inflammation and epithelial integrity, and their usefulness in disease monitoring and therapy. METHODS: We performed a systematic search of the MEDLINE/PubMed databases for studies to examine the use of immunohistochemistry as a diagnostic tool for EoE. RESULTS: The gold standard of EoE diagnosis requires multiple endoscopies with biopsies for histological assessment. The minimum number of eosinophils evaluated in hematoxylin-eosin staining to diagnose EoE is 15 per high-power field in at least one esophageal mucosa biopsy. However, in some cases, the count of eosinophils is not specific and insufficient as the only indicator. Recent works confirm the usefulness of assessment of some biomarkers in establishing the diagnosis and monitoring the treatment effects. CONCLUSIONS: Immunohistochemistry seems to be a promising option not only in clinical recognition, but also in the selection and monitoring of treatment effects. However, these methods have not yet recommended for routine clinical use.