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Unlabelled: The aim of this study was to analyse the relationship between insulin-glucose metabolism, nocturnal blood pressure dipping and nonalcoholic fatty liver disease (NAFLD) in obese adolescents without diabetes. One hundred one consecutive children, with biopsy-proven NAFLD, were included in this study. Blood samples were drawn for the analyses of liver function tests, insulin-glucose metabolism and lipid profile appraisal. An ambulatory blood pressure measurement (ABPM) was performed. Seventy-six children (75.3 %) were systolic nondippers, and 23 of them were diastolic nondippers (30.3 %). No differences were found in the anthropometric parameters between the two groups. When compared to the systolic dippers, the systolic nondippers had higher medians of mean nocturnal blood pressure, glucose at 0, 60 and 120 min in the oral glucose tolerance test (OGTT), OGTT insulin at all time points and insulin-resistance values. No correlation of histopathological features with dipping/nondipping statuses was found., Conclusions: We found an association between a nocturnal blood pressure fall and measures of insulin levels, independent of obesity, or daytime blood pressure levels, among the obese patients with NAFLD. Although no association between nondipping profiles and NAFLD was observed in our study, further studies with a longer term follow-up are needed, to better elucidate the complex link between these particular entities.

Rationale: Obstructive sleep apnea syndrome (OSAS) and nonalcoholic fatty liver disease (NAFLD) are frequently encountered in obese children. Whether OSAS and intermittent hypoxia are associated with liver injury in pediatric NAFLD is unknown., Objectives: To assess the relationship of OSAS with liver injury in pediatric NAFLD., Methods: Sixty-five consecutive children with biopsy-proven NAFLD (age, mean ± SD, 11.7 ± 2.1 yr; 58% boys; body mass index z score, 1.93 ± 0.61) underwent a clinical-biochemical assessment and a standard polysomnography. Insulin sensitivity, circulating proinflammatory cytokines, markers of hepatocyte apoptosis (cytokeratin-18 fragments), and hepatic fibrogenesis (hyaluronic acid) were measured. Liver inflammatory infiltrate was characterized by immunohistochemistry for CD45, CD3, and CD163, surface markers of leukocytes, T cells, and activated macrophage/Kupffer cells, respectively. OSAS was defined by an apnea/hypopnea index (AHI) greater than or equal to 1 event/h, and severe OSAS was defined by an AHI greater than or equal to 5 events/h., Measurements and Main Results: Fifty-five percent of children with NAFLD had nonalcoholic steatohepatitis (NASH), and 34% had significant (stage F ≥ 2) fibrosis. OSAS affected 60% of children with NAFLD; the presence and severity of OSAS were associated with the presence of NASH (odds ratio, 4.89; 95% confidence interval, 3.08-5.98; P = 0.0001), significant fibrosis (odds ratio, 5.91; 95% confidence interval, 3.23-7.42; P = 0.0001), and NAFLD activity score (β, 0.347; P = 0.029), independently of body mass index, abdominal adiposity, metabolic syndrome, and insulin resistance. This relationship held also in nonobese children with NAFLD. The duration of hemoglobin desaturation (Sa(O2) < 90%) correlated with increased intrahepatic leukocytes and activated macrophages/Kupffer cells and with circulating markers of hepatocyte apoptosis and fibrogenesis., Conclusions: In pediatric NAFLD, OSAS is associated with biochemical, immunohistochemical, and histological features of NASH and fibrosis. The impact of hypoxemia correction on liver disease severity warrants evaluation in future trials.

Objective: Patients with Prader-Willi syndrome (PWS) have been hypothesized to be at lower risk of non-alcoholic fatty liver disease (NAFLD) because of higher insulin sensitivity. However, PWS patients have a peculiar body composition, i.e. higher fat mass and lower fat-free mass, which may confound such associations. We evaluated whether NAFLD is less frequent in PWS than in non-PWS women matched on percent body fat (PBF)., Methods: PBF was measured by dual-energy X-ray absorptiometry. Liver fat was assessed by ultrasonography. Insulin sensitivity and beta-cell function were evaluated by oral glucose tolerance testing. Coarsened exact matching (CEM) was used to match PWS and non-PWS women on PBF. General and generalized linear models taking CEM into account were used to perform comparisons between PWS and non-PWS women., Results: 20 women with PWS were matched to 27 women without PWS on the basis of PBF (mean 53 vs. 54%, p = 0.6). Insulin sensitivity and beta-cell function were similar in the two groups. However, the prevalence of NAFLD was 25% in PWS versus 59% in non-PWS women (p = 0.04)., Conclusion: NAFLD is less frequent in PWS than in non-PWS women but this finding is not associated with higher insulin sensitivity., (© 2014 S. Karger GmbH, Freiburg.)

Objective: Hepatic steatosis is strongly associated with insulin resistance, but causative mechanisms that link these conditions are still largely unknown. Nowadays, it is difficult to establish whether fatty liver is the cause of insulin resistance or instead the complex metabolic derangements of insulin resistance determine hepatic steatosis and its progression to fibrosis. In patients with familial hypobetalipoproteinemia (FHBL), hepatic steatosis is because of the genetically determined defective form of apolipoprotein B, independently of metabolic derangements. Therefore patients with FHBL represent a good in vivo model to evaluate the relationships between fatty liver and insulin sensitivity., Methods: We evaluated insulin resistance through HOMA-IR in 60 children with echografic and histological features of steatosis; 30 of whom had nonalcoholic fatty liver disease (NAFLD) and 30 had FHBL., Results: All patients had histological features of hepatic steatosis. Patients with FHBL were hypolipidemic, as expected. No significant differences between two groups were observed in liver function tests. IRI and HOMA-IR were statistically higher in NAFLD subjects compared to the FHBL group., Conclusion: In our study, we demonstrated that in children with FHBL, hepatic steatosis is dissociated from insulin resistance. This finding suggests that fat accumulation per se may be not a sufficient causal factor leading to insulin resistance, and that other mediators may be involved in the development of alteration in glucose metabolism and metabolic syndrome in patients with NAFLD., (© 2012 John Wiley & Sons Ltd.)

Objectives: The aim of our study was to evaluate the physical and sedentary activities and energy expenditure (EE) in a group of children affected by non-alcoholic fatty liver disease (NAFLD), compared with normal and obese subjects, using a physical activity questionnaire (PAQ) and a SenseWear armband (SWA)., Methods: Forty NAFLD (10 females), 41 lean (NRM; 11 females) and 30 obese (OB; 10 females), age- and pubertal stage-matched, children were included., Results: Sedentary activity (PAQ) was similar in NAFLD and NRM but less in OB, while SWA showed that NAFLD spent less time in physical activity and more in sedentary activities compared with NRM, but not with OB. Insulin sensitivity index result is related to active EE (cal kg(-1)  d(-1) ) in NAFLD, while homeostatic model assessment index result was negatively related to total EE in OB., Conclusions: Regular physical activity must be encouraged in all obese children affected by NAFLD or not, and SWA might be a possible valid tool for evaluating actual EE., (© 2012 The Authors. Pediatric Obesity © 2012 International Association for the Study of Obesity.)

Background/aims: Elevated thyroid-stimulating hormone (TSH) concentrations in association with normal/slightly elevated free triiodothyronine (fT(3)) and/or free thyroxine (fT(4)) have been consistently found in obese children. To examine relationships between adiposity, insulin sensitivity, and TSH, fT(3) and fT(4)., Methods: 240 overweight/obese prepubertal children were studied. Fasting TSH, fT(3), fT(4), glucose, insulin, C-peptide, lipids, leptin and adiponectin were evaluated. Insulin sensitivity and resistance were estimated [quantitative insulin check index (QUICKI), insulin sensitivity index (ISI), and hepatic insulin resistance index]. Body fat was measured by dual-energy X-ray absorptiometry. The central obesity index was calculated as the ratio of fat tissue in the trunk region to fat tissue in the leg region., Results: The multiple regression analysis with age, gender and measures of fatness as covariates showed that QUICKI was the only significant negative predictor of TSH and central obesity index the strongest positive predictor of fT(3), in association with either age or hepatic insulin resistance index, and that the only positive determinant of fT(4) was hepatic insulin resistance index., Conclusions: Reduced insulin sensitivity is associated with augmented TSH and fT(4), while progressive central fat accumulation is strictly related to a parallel increase in fT(3) levels, independently from total body fat. Further studies are needed to understand mechanisms linking thyroid function to insulin sensitivity and body composition in obese children., (Copyright © 2012 S. Karger AG, Basel.)

Background & Aims: The liver is a crucial organ at the crossroads of iron and glucose metabolism. The aim of the study was to assess intra-hepatic iron in young patients with non-alcoholic fatty liver disease (NAFLD) and its association with insulin resistance and severity of liver damage., Methods: Intrahepatic iron content was assessed (Pearl's stain grade) in 66 patients (41 males, age 3.3-17.6years) with biopsy-proven NAFLD. Mutations of the Hereditary Hemochromatosis (HFE) gene were determined by sequence allele-specific polymerase chain reaction. Insulin resistance was estimated by means of the Oral Glucose Tolerance Test and the Insulin Sensitivity Index (ISI); the Insulino-Genic Index was also calculated. Tumor necrosis factor-alpha and interleukin-6 were measured., Results: Low-mild intra-hepatic iron deposition was observed in one out of five children (n=15, 22%), and it was not associated with HFE mutations, carried by 17 patients (26%). Among carriers of HFE mutations, four had siderosis. No abnormalities were observed in systemic indices of iron balance. Serum ferritin was within normal adult ranges in all patients (33.6±7.6ng/ml), but it was correlated with ISI (r(o)=-0.361; p=0.003). No significant difference was observed in insulin sensitivity, iron balance, inflammatory milieu, and liver histology between patients with and without hepatic siderosis., Conclusions: In young obese individuals with NAFLD, despite normal peripheral iron parameters, mild intra-hepatic iron deposition is a frequent finding, but it is not associated with insulin resistance or severity of liver damage. Longitudinal studies are required to define the long-term relevance of these findings., (Copyright © 2011 European Association for the Study of the Liver. Published by Elsevier B.V. All rights reserved.)

Objective: The aim of the present study was to evaluate the association between the type of early feeding and indices of insulin metabolism in 8-year-old overweight and obese children., Methods: The sample included 350 overweight (body mass index [BMI] ≥1.036 standard deviation score [SDS]) and obese (BMI ≥1.645 SDS) children and 33 normal-weight control subjects who had been exclusively breast-fed or formula-fed for 4 months or longer. Parameters of insulin sensitivity and secretion were derived from 120-minute oral glucose tolerance tests., Results: Overweight and obese formula-fed children (N = 165) were more insulin resistant than breast-fed individuals (N = 185; Whole-Body Insulin Sensitivity Index 5.1 ± 2.3 vs 6.6 ± 2; p < 0.0001) despite having the same degree of obesity (BMI z-score 1.8 ± 0.4 vs 1.7 ± 0.4 SDS; p = 0.5). They compensated for enhanced insulin resistance by augmenting insulin secretion (Insulinogenic Index 6.8 ± 3.6 vs 5.2 ± 2.5 μIU/mL × mg/mL(-1); p < 0.0001). Thus, they presented with a disposition index similar to that of breast-fed children (34.6 ± 15 vs 30.8 ± 19.2; p = 0.4), Formula feeding was associated with greater catch-up growth in the first month (odds ratio 2.49, 95% confidence interval 1.97 to 3.01; p < 0.0001) and between months 6 and 12 of life (odds ratio 4.62, 95% confidence interval 3.58 to 5.67; p < 0.0001)., Conclusions: In comparison with breast-feeding, formula feeding seems to be associated with reduced insulin sensitivity and increased insulin secretion in overweight and obese children.

Insulin resistance (IR) and obesity may be associated with impaired response to physical exercise. We aimed at assessing physical capacity in obese children with biopsy proven non-alcoholic fatty liver disease (NAFLD) as compared to normal weight and obese children without fatty liver disease. All male subjects, 20 NAFLD and 31 control individuals (20 obese, without NAFLD and 11 normal weight children) took part in the study. We evaluated changes in cardiovascular parameters during a bicycle-ergometer exercise test (James' test). Duration, power of exercise, heart rate (HR), blood pressure (BP), pulse pressure, cardiac output ((I)CO) and total peripheral vascular resistance indexed for height ((I)TPVR) were recorded at rest ((r)) and peak ((p)) exercise. The homeostatic model assessment was used to determine insulin resistance (HOMA-IR) and beta-cell action (HOMA-beta cell). In NAFLD and obese subjects, fasting leptin, insulin secretion, insulinogenic index (IGI), muscle insulin sensitivity (MISI) and hepatic insulin resistance index (HIRI) were assayed. Children with NAFLD were the most insulin-resistant (P = 0.001), and showed higher HIRI than obese controls (P = 0.05). At rest, they had the lowest values of SBP(r) (P = 0.001 vs. controls and P < or = 0.05 vs. obese controls); during the test, the highest values of (I)CO(p) (P = 0.005), Delta(I)CO (P = 0.003) and DeltaTRVP(p) (P < or = 0.0001). NAFLD and obese controls both had impaired DeltaHR(p) (P < or = 0.0001). However, obese controls were not able to reduce peripheral resistance during the test. HOMA-IR explained 28% of variance in Delta(I)CO of the whole sample, (P < or = 0.0001). In obese children with or without NAFLD, increased IR and body weight may induce cardiovascular compensatory changes in response to physical exercise with fairly different pathogenetic mechanisms, which are likely to be dependent on the different degree of IR.

Insulin resistance may favor increased urinary albumin excretion (UAE), leading progressively to chronic kidney disease (CKD). A recent study on non-alcoholic fatty liver disease (NAFLD), a condition of insulin resistance, associated this disease with the incidence of CKD in patients with type 2 diabetes. The aim of our study was to determine whether there is an association between insulin resistance and kidney function, based on estimates of UAE and creatinine clearance in children with biopsy-proven NAFLD. Kidney function was assessed in 80 patients with NAFLD and 59 individuals of normal weight matched for age and sex. Insulin resistance was measured by means of the homeostatic model assessment-insulin resistance (HOMA-IR) and limited to NAFLD patients by using the whole-body insulin sensitivity index. The HOMA-IR was found to differ significantly between the two groups (2.69 +/- 1.7 vs. 1.05 +/- 0.45; p = 0.002), while UAE (9.02 +/- 5.8 vs. 8.0 +/- 4.3 mg/24 h; p = 0.9) and creatinine clearance (78 +/- 24 vs. 80 +/- 29 mg/min; p = 0.8) did not. We found a significant but weak inverse correlation between insulin sensitivity and creatinine clearance in NAFLD patients (r (s) = -0.25;p = 0.02). No difference was observed in kidney function between NAFLD children presenting with or without metabolic syndrome, low or normal HDL-cholesterol, and different degrees of histological liver damage (grade of steatosis >or=2, necro-inflammation, and fibrosis). Patients with hypertension had increased levels of UAE (p = 0.04). A longer exposure to insulin resistance may be required to cause the increase in urinary albumin excretion and to enable the detection of the effect of the accelerated atherogenic process most likely occurring in children with fatty liver disease. Longitudinal studies are needed to rule out any causative relationship between insulin resistance and urinary albumin excretion.

Objective: Our aim was to estimate prevalence of metabolic syndrome (MS), obesity and comorbidities in a cohort of 120 children (3-18 years) with biopsy-proven non-alcoholic fatty liver disease (NAFLD) or non-alcoholic steatohepatitis (NASH) and to evaluate correlations between clinical or biochemical variables and liver histology., Research Methods and Procedures: MS was diagnosed according to the adapted National Cholesterol Education Program criteria. Homeostatic model assessment of insulin resistance (HOMA-IR), quantitative insulin-sensitivity check index (QUICKI); and ISI composite, insulin secretion (insulin response at 30 min after a glucose load; HOMA-beta cell; insulinogenic index) were all estimated. BMI z-score and total body fat (dual-energy X-ray absorptiometry) were evaluated as indexes of obesity., Results: MS was diagnosed in 66% of children. About 92% had weight above the 85th percentile, of which 42% were obese with weight above 97th percentile. Prevalence of hypertriglyceridaemia was 63%, low HDL cholesterol 45%, hypertension 40% and impaired glucose tolerance 10%. Levels of aminotransferases were higher as the number of comorbidities increased, the highest values being found in subjects with MS (P< or =0.05). Prevalence of a grade of steatosis > or =2 (P=0.05) and fibrosis (P< or =0.01) was higher in subjects with MS. Histology was associated significantly with higher values of a number of clinical and biochemical parameters (steatosis > or =2 with BMI z-score (P=0.04), fasting insulin (P=0.02), HOMA-IR (P=0.03), beta-cell secretion (P=0.04); necroinflammation with BMI z-score (P=0.007), glucose (P< or =0.0001), cholesterol (P< or =0.04) and white blood cells (P=0.025); fibrosis with body weight (P=0.05), BMI z-score (P=0.03), cholesterol (P=0.05), triglycerides (P=0.05), fasting insulin (P< or =0.0001) and mean values of the hormone at the OGTT (P=0.03), HOMA-IR (P< or =0.0001))., Conclusion: Presence of MS or clinical and biochemical variables associated with the syndrome seems to be strictly related to histological features of NASH in paediatric fatty liver disease. Thus, routinely liver biopsy should be encouraged in these children.

Background: Few data are available on the effect of antioxidants in paediatric non-alcoholic fatty liver disease (NAFLD)., Aim: To compare the effect of a nutritional programme alone or combined with alpha-tocopherol and ascorbic acid on alanine aminotransferase (ALT) levels, and insulin resistance (IR) in biopsy-proven NAFLD children., Methods: IN a 12-month double-blind placebo study, 90 patients were prescribed a balanced calorie diet (25-30 cal/kg/d), physical exercise, and placebo (group A) or alpha-tocopherol 600 IU/day plus ascorbic acid 500 mg/day (group B). IR was estimated by the homeostasis model assessment (HOMA-IR)., Results: At month 12, ALT (32.67 +/- 8.09 vs. 32.18 +/- 11.39 IU/L; P = NS), HOMA-IR (1.52 +/- 0.66 vs. 1.84 +/- 0.95 IU/L; P = NS), and weight loss (32% vs. 35% of excessive body weight; P = NS) did not differ between the two arms. Among subjects who lost >or=20% of their excessive weight, ALT and body weight percentage changes were significantly related (r(o) = 0.260; P = 0.03). In subjects, who lost more than 1.0 kg, HOMA-IR significantly decreased (2.20 +/- 0.21 to 1.57 +/- 0.13 in group A (P

Objective: Prevalence of non-alcoholic fatty liver disease (NAFLD) among children is increasing dramatically. It is unclear why some patients develop steatohepatitis (NASH), fibrosis and cirrhosis from steatosis, and others do not. A role for leptin has been claimed. This study aims to evaluate the relationship between leptin, insulin resistance (IR) and NAFLD in children., Design and Methods: In 72 biopsy-proven NAFLD children (aged 9-18 years; 51M/21F), fasting leptin and its soluble receptor (sOB-R) were measured; free leptin index (FLI) was calculated as leptin/sOB-R; IR was estimated by homeostasis model assessment (HOMA-IR) and insulin sensitivity index (ISI-comp); glucose tolerance by oral glucose tolerance test (OGTT). Percentage of total body fat (TBF) by dual-energy X-ray absorptiometry (DXA) was available in 65 patients., Results: Prevalence of diabetes, impaired fasting and/or after load glucose tolerance was 11%. HOMA-IR and ISI-comp values were 2.55 +/- 1.39 and 4.4 +/- 2. NASH was diagnosed in 38 and simple steatosis in 25 children; diagnosis was indeterminate in 29 children. Increased fibrosis, mostly of mild severity, was observed in 41 patients. Median NAFLD activity (NAS) score was 3.42 +/- 1.60. According to histology, levels of leptin and FLI increased as steatosis (leptin from 11.9 +/- 6.3 in score 1 to 17.4 +/- 6.9 in score 2 (P = 0.01) and 22.2 +/- 6.8 ng/ml in score 3 (P < 0.001); FLI 2.56 +/- 1.40, 3.57 +/- 0.34, 4.45 +/- 0.64 respectively (P = 0.05)); ballooning (from 13.7 +/- 6.7 in score 1 to 17 +/- 7.5 in score 2 (P = 0.001) and 22.1 +/- 7.1 ng/ml in score 3 (P = 0.01); FLI 2.81 +/- 1.50, 3.40 +/- 1.65, 4.57 +/- 1.67 (P = 0.01 between 0 and 2)); fibrosis (from 14.3 +/- 7 to18.3 +/- 6.9; P = 0.03; FLI 3.03 +/- 1.57 vs 3.92 +/- 077; P < 0.05) and NAS score (score 1-2: 12.9 +/- 6.9; score 3-4: 17 +/- 6.9 (P = 0.01); score 5-7: 22.9 +/- 7.5 ng/ml (P = 0.03); FLI 2.70 +/- 1.53, 3.12 +/- 1.53, 4.58 +/- 1.57 P = 0.01 and P = 0.05 between 1-2 vs 3-4 and 3-4 vs 5-7 respectively) worsened. Higher leptin correlated with more severe steatosis, ballooning and NAS score (r(0) = 0.6, 0.4 and 0.6 respectively; for all P < 0.001); FLI with ballooning (r(0) = 0.4, P < 0.0001), steatosis (r(0) = 0.5, P < 0.0001) and NAS score (r(0) = 0.5, P < 0.0001)., Conclusions: Leptin and liver injury correlated independently of age, BMI and gender in the present study. Nevertheless, any causative role of leptin in NAFLD progression could be established. Thus, studies are needed to define whether the hormone plays a major role in the disease.

Background Gut microbiota modifiers may have beneficial effects of non-alcoholic fatty liver disease ( NAFLD) but randomised controlled trials ( RCT) are lacking in children. Aim To perform a double-blind RCT of VSL#3 vs. placebo in obese children with biopsy-proven NAFLD. Methods Of 48 randomised children, 44 (22 VSL#3 and 22 placebo) completed the study. The main outcome was the change in fatty liver severity at 4 months as detected by ultrasonography. Secondary outcomes were the changes in triglycerides, insulin resistance as detected by the homoeostasis model assessment (HOMA), alanine transaminase (ALT), body mass index (BMI), glucagon-like peptide 1 (GLP-1) and activated GLP-1 ( aGLP-1). Ordinal and linear models with cluster confidence intervals were used to evaluate the efficacy of VSL#3 vs. placebo at 4 months. Results At baseline, moderate and severe NAFLD were present in 64% and 36% of PLA children and in 55% and 45% of VSL#3 children. The probability that children supplemented with VSL#3 had none, light, moderate or severe FL at the end of the study was 21%, 70%, 9% and 0% respectively with corresponding values of 0%, 7%, 76% and 17% for the placebo group ( P < 0.001). No between-group differences were detected in triglycerides, HOMA and ALT while BMI decreased and GLP-1 and a GLP1 increased in the VSL#3 group ( P < 0.001 for all comparisons). Conclusions A 4-month supplement of VSL#3 significantly improves NAFLD in children. The VSL#3-dependent GLP-1 increase could be responsible for these beneficial effects. Trial identifier: NCT01650025 () [ABSTRACT FROM AUTHOR]

Background The prevalence of obesity and its metabolic consequences has dramatically increased in the last two decades urging physicians to find a reliable definition for early detection, treatment and possibly prevention of metabolic syndrome ( MS). MS could be diagnosed in adult patients in the presence of a large waist circumference and ≥2 of the following features: high serum triglycerides, low serum high-density lipoprotein cholesterol, high blood pressure and high fasting glucose. The definition of MS in children is more problematic, and the potential role of its single components on metabolic risk remains largely undefined. Recent evidence strongly suggests not only a relationship between non-alcoholic fatty liver disease ( NAFLD) and MS in obese children, adolescents and adults, but also the key role exerted by liver fat deposition in the pathogenesis of MS. Conclusion We propose that NAFLD should be routinely checked in obese subjects because early lifestyle changes may be effective in reducing the overall risk of MS. [ABSTRACT FROM AUTHOR]

We wanted to investigate the association between being born SGA and nonalcoholic fatty liver disease (NAFLD) documented by ultrasound, to test the hypothesis found in the literature, that the fetal growth retardation and a quick catch-up growth (with prepubertal ow/ob) could be factors responsible for NAFLD associated with insulin resistance (HOMA-IR) and WHtR>0.5. One hundred and thirteen ow/ob children, aged 10.59±2.54, were examined (z-BMI 2.10±0.41W/h 0.59±0.04) and blood samples were collected. Each of them underwent liver ultrasound examination, because of HOMA-IR>2.5 and/or ALT>40U/l. Of these, 24 (21.23%) were born SGA and 89 AGA: among SGA, 58.33% (14 patients) showed steatosis on ultrasound, vs. 51.69% in the AGA group. SGA children with steatosis (SGA-S) had glucose values significantly higher than the SGA without steatosis (SGA-NS) (87.80±8.52 vs. 83.29±5.94, p <0.05); also insulin (16.63±10.74 vs. 14.74±6.04) and HOMA-IR (3.84±3.36 vs. 3.05±3.23) were higher but not significantly; again, SGA-S had WHtR greater than SGA-NS (0.60±0.05 vs. 0.57±0.04). SGA-S had WHtR values (0.60±0.05 vs. 0.56±0.06) and HOMA-IR greater than AGA-S (3.84±3.36 vs. 3.23±1.38), but again not significantly. Finally, we found that being born SGA represents a greater risk for NAFLD (OR=1.66, p =0.04). NAFLD should be considered as one of the issues to be investigated in the SGA with excessive weight gain in the first years of life. Adequate food intake early in life is essential in order to prevent metabolic syndrome and NAFLD. [ABSTRACT FROM AUTHOR]