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2017 | 64 | 4 | 661-665
Article title

Obesity, lipid profiles and oxidative stress in children after liver transplantation

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EN
Abstracts
EN
Purpose. In adult liver transplant recipients, coronary artery disease and congestive heart failure are significant cause of morbidity and mortality. This may be attributed to the long-term immunosuppressive treatment, mostly with calcineurin inhibitors and steroids, which in long-term may be associated with hyperlipidemia, oxidative stress and cardiovascular complications. Since such data for children is sparse, the aim of this study was to assess the lipid and oxidative stress markers after pediatric liver transplantation (LTx). Method. We performed prospective analysis of 74 children, at the median age of 7.9 (2.8-11.6) years, 3.2 (1.2-4.3) years after LTx. We assessed the BMI Z-scores, cholesterol fractions (LDLc, HDLc, VLDLc), triglicerides, apolipoproteins (ApoAI, ApoB, ApoE), LCAT, insulin resistance by HOMA-IR and markers of oxidative stress and atherosclerosis: glutathione (GSH), glutathione peroxidase (GPx), asymmetrical dimethyl arginine (ADMA) and oxidized low-density lipoprotein (oxyLDL). At baseline, the results were compared with a healthy age-and-sex matched control group. After 3.1±0.3 year follow-up we repeated all investigations and compared them with the baseline results. RESULTS. At the baseline, we investigated 74 patients 3.2 (1.2-4.3) years after LTx, at the median age of 7.9 (2.8-11.6) years. The prevalence of overweight or obesity (BMI >85th percentile) was 23% and was more common in girls (24% vs 20%). Fourteen patients had TCH >200 mg%, 9 patients had LDLc >130 mg% and TG were at normal levels in all patients. Compared to the controls, there were no significant differences in lipid profiles but we found decreased GSH (p<0.001) and GPx (p<0.001) which play role as an antioxidant defense. OS markers were higher in the study group: ADMA (p<0.001), and oxyLDL (p<0.0001). Insulin resistance by HOMA-IR was increased in the study group (p=0.0002) but fasting glucose remained within normal ranges in all patients. After 3.1-year follow-up, the BMI >95th and >85Th percentile was present in 8% and 14% respectively. ADMA and oxyLDL decreased, whilst GSH and GPx increased when compared to the baseline. There was also significant decrease in apoB and Lp(a). Conclusion. Children after LTx had normal lipid profiles when compared to controls, however there is a tendency for hypercholesterolemia and obesity, which may play a role in cardiovascular complications in the future. Some markers of oxidative stress were increased after LTx, however further investigations are required to establish its clinical significance.
Publisher

Year
Volume
64
Issue
4
Pages
661-665
Physical description
Dates
published
2017
received
2017-06-12
revised
2017-08-16
accepted
2017-09-08
(unknown)
2017-12-10
Contributors
  • Department of Gastroenterology, Hepatology, Nutritional Disturbances and Pediatrics. The Children's Memorial Health Institute, Warsaw, Poland
  • Department of Biochemistry, Radioimmunology and Experimental Medicine, The Children's Memorial Health Institute, Warsaw, Poland
  • Department of Gastroenterology, Hepatology, Nutritional Disturbances and Pediatrics. The Children's Memorial Health Institute, Warsaw, Poland
  • Department of Gastroenterology, Hepatology, Nutritional Disturbances and Pediatrics. The Children's Memorial Health Institute, Warsaw, Poland
author
  • Department of Gastroenterology, Hepatology, Nutritional Disturbances and Pediatrics. The Children's Memorial Health Institute, Warsaw, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-abpv64p661kz
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