Pediatric Gastroenterology, Hepatology & Nutrition

The Korean Society of Pediatric Gastroenterology, Hepatology and Nutrition (대한소아소화기영양학회)
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A Nomogram for Predicting Non-Alcoholic Fatty Liver Disease in Obese Children

  • Kim, Ahlee (Department of Pediatrics, Bundang Jasaeng General Hospital) ;
  • Yang, Hye Ran (Department of Pediatrics, Seoul National University Bundang Hospital) ;
  • Cho, Jin Min (Department of Pediatrics, Seoul National University Bundang Hospital) ;
  • Chang, Ju Young (Department of Pediatrics, Seoul National University College of Medicine) ;
  • Moon, Jin Soo (Department of Pediatrics, Seoul National University College of Medicine) ;
  • Ko, Jae Sung (Department of Pediatrics, Seoul National University College of Medicine)
  • Received : 2019.09.09
  • Accepted : 2020.02.11
  • Published : 2020.05.15
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Abstract

Purpose: Non-alcoholic fatty liver disease (NAFLD) ranges in severity from simple steatosis to steatohepatitis. Early detection of NAFLD is important for preventing the disease from progressing to become an irreversible end-stage liver disease. We developed a nomogram that allows for non-invasive screening for NAFLD in obese children. Methods: Anthropometric and laboratory data of 180 patients from our pediatric obesity clinic were collected. Diagnoses of NAFLD were based on abdominal ultrasonographic findings. The nomogram was constructed using predictors from a multivariate analysis of NAFLD risk factors. Results: The subjects were divided into non-NAFLD (n=67) and NAFLD groups (n=113). Factors, including sex, body mass index, abdominal circumference, blood pressure, insulin resistance, and levels of aspartate aminotransferase, alanine aminotransferase (ALT), γ-glutamyl transpeptidase (γGT), uric acid, triglycerides, and insulin, were significantly different between the two groups (all p<0.05) as determined using homeostatis model assessment of insulin resistance (HOMA-IR). In our multivariate logistic regression analysis, elevated serum ALT, γGT, and triglyceride levels were significantly related to NAFLD development. The nomogram was established using γGT, uric acid, triglycerides, HOMA-IR, and ALT as predictors of NAFLD probability. Conclusion: The newly developed nomogram may help predict NAFLD risk in obese children. The nomogram may also allow for early NAFLD diagnosis without the need for invasive liver biopsy or expensive liver imaging, and may also allow clinicians to intervene early to prevent the progression of NAFLD to become a more advanced liver disease.

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References

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