Impact of sarcopenia in infants with liver transplantation for biliary atresia

Masahiro Takeda1, Seisuke Sakamoto1, Hajime Uchida1

  • 1Organ Transplantation Center, National Center for Child Health and Development, Tokyo, Japan.

Pediatric Transplantation
|December 16, 2020
PubMed

Insights

Sarcopenia, a condition of muscle loss, is linked to poorer outcomes in infants undergoing liver transplantation (LT) for biliary atresia (BA). This finding suggests sarcopenia can predict post-LT complications and survival in pediatric patients.

Area of Science:

  • Pediatric Hepatology
  • Transplantation Surgery
  • Clinical Nutrition

Background:

  • Sarcopenia is a known predictor of outcomes in adult liver transplant (LT) recipients.
  • Limited research exists on sarcopenia's impact on pediatric LT outcomes.
  • Biliary atresia (BA) is a common indication for LT in infants.

Purpose of the Study:

  • To investigate the clinical influence of sarcopenia on post-LT outcomes in infants with BA.
  • To establish a definition for sarcopenia in infants using computed tomography (CT) measurements.

Main Methods:

  • Defined sarcopenia in infants based on the cross-sectional area of the psoas major muscle (tPMA) compared to healthy controls (n=93).
  • Assessed clinical characteristics and LT outcomes in 89 infants with BA, categorizing them into sarcopenia (n=21) and non-sarcopenia (n=68) groups.
  • Utilized computed tomography (CT) for tPMA measurements.

Main Results:

  • The sarcopenia group experienced significantly longer operation times and greater blood loss during LT.
  • Higher incidences of portal vein stenosis (23.8% vs 4.4%) and post-operative bloodstream infections (28.6% vs 10.3%) were observed in the sarcopenia group.
  • While hospital stay duration was similar, 1-year patient and graft survival rates tended to be lower in the sarcopenia group (90.5% vs 98.5% and 85.7% vs 97.1%, respectively).

Conclusions:

  • Sarcopenia in infants with BA is associated with increased operative complications and potentially reduced patient and graft survival after LT.
  • Sarcopenia may serve as a valuable predictive marker for post-operative outcomes in pediatric liver transplantation.
  • Further research is warranted to explore interventions to mitigate sarcopenia's impact in this population.

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