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Survivors of childhood liver transplant at risk of becoming 'skinny fat'

Date:
June 12, 2014
Source:
Wiley
Summary:
New research reports that survivors of childhood liver transplant remain nutritionally compromised over the long-term. Recipients’ return to normal weight post-transplant was due to an increase in fat mass as body cell mass remained low, indicating a slim body composition with little lean muscle mass or “skinny fat.”

New research reports that survivors of childhood liver transplant remain nutritionally compromised over the long-term. Findings published in Liver Transplantation, a journal of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society, indicate that the recipients' return to normal weight post-transplant was due to an increase in fat mass as body cell mass remained low, indicating a slim body composition with little lean muscle mass or "skinny fat."

Children with end-stage liver disease may be malnourished due to inadequate food consumption, abnormal absorption of nutrients, or excessive increase in metabolism (hypermetabolic state). Previous studies suggest that malnutrition may reduce body fat, protein stores, body cell mass, and cause deficiencies in fat soluble vitamins, iron, zinc, and selenium before transplant; and increase mortality after liver transplantation. The "gold standard" for assessing nutritional status is by measuring body cell mass using the total body potassium measurement.

For the present study Dr. Looi Ee and colleagues from The University of Queensland in Brisbane, Australia recruited 32 children aged less than 18 years, who were scheduled for liver transplant at the Royal Children's Hospital. Researchers measured total body mass prior to liver transplant and at follow-up on average seven years post-transplant. Patient age at transplant, growth impairment, biliary atresia diagnosis and steroid use were also examined.

Twenty of the participants were male, 62% had biliary atresia, and the average age at transplant was two years. Results showed the patients' body cell mass for height (BCM/Heightp) was reduced prior to liver transplant, but further reduced after transplant despite height and weight returning to normal. Analyses indicate that older age at transplant predicted reduced post-transplant BCM/Heightp) . Researchers did not find that gender, age at transplant, steroid use, and underlying diagnosis predicted changes in BCM/Heightp).

"Our study found reduced body cell mass in those who underwent childhood liver transplant up to 15 years post-transplant, despite a return to normal height and weight following surgery," said Dr. Ee. "Likely weight recovery was due to increased fat mass -- what would be called "skinny fat" -- since body cell mass did not improve."


Story Source:

The above story is based on materials provided by Wiley. Note: Materials may be edited for content and length.


Journal Reference:

  1. Looi Cheng Ee, Rebecca Joanne Hill, Kerrie Beale, Charlton Noble, Jonathan Fawcett, Geoffrey John Cleghorn. The long-term effect of childhood liver transplantation on body cell mass. Liver Transplantation, 2014; DOI: 10.1002/lt.23891

Cite This Page:

Wiley. "Survivors of childhood liver transplant at risk of becoming 'skinny fat'." ScienceDaily. ScienceDaily, 12 June 2014. <www.sciencedaily.com/releases/2014/06/140612085200.htm>.
Wiley. (2014, June 12). Survivors of childhood liver transplant at risk of becoming 'skinny fat'. ScienceDaily. Retrieved August 21, 2014 from www.sciencedaily.com/releases/2014/06/140612085200.htm
Wiley. "Survivors of childhood liver transplant at risk of becoming 'skinny fat'." ScienceDaily. www.sciencedaily.com/releases/2014/06/140612085200.htm (accessed August 21, 2014).

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