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Updated: Jul 9, 2026
Orthotopic Small Bowel Transplantation in Rats
Published on: November 6, 2012
The optimal timing of intestinal transplantation for children with intestinal failure: a Markov analysis
Steven R Lopushinsky1, Robert A Fowler, Girish S Kulkarni
1Department of Surgery, Hospital for Sick Children, Toronto, Ontario, Canada.
Insights
Early intestinal transplantation offers improved life expectancy and quality of life for children with short bowel syndrome dependent on total parenteral nutrition (PN). This approach should be considered sooner than current practices suggest.
Area of Science:
- Pediatric surgery
- Gastroenterology
- Transplantation medicine
Background:
- Short bowel syndrome often necessitates total parenteral nutrition (PN) for pediatric patients.
- Current guidelines often delay intestinal transplantation until PN-related complications arise, a timing strategy that remains debated.
Observation:
- A Markov model analyzed two strategies: standard care (PN with guideline-based transplantation referral) versus early listing for isolated small intestine transplantation.
- The model evaluated life expectancy (LY) and quality-adjusted life years (QALYs) in a theoretical cohort of 4-year-olds.
Findings:
- Early listing for intestinal transplantation is projected to yield 0.27 additional LY and 0.76 additional QALYs compared to standard care.
- This benefit is sensitive to the annual incidence of PN-associated liver disease (threshold ~11%) and mortality post-transplant.
- Early listing remains advantageous unless the annual risk of late bowel rejection exceeds 35%.
Implications:
- The findings suggest that earlier consideration for intestinal transplantation in children with short bowel syndrome and PN dependence may optimize long-term outcomes.
- This research advocates for a shift in current clinical practice regarding the timing of intestinal transplantation referrals.
Objective:
Identify an optimal approach to the timing of intestinal transplantation for children dependent on total parenteral nutrition (PN).
Summary Background Data:
Children with short bowel syndrome are frequently dependent on PN for growth and development. Intestinal transplantation is often considered after PN-related complications occur, but optimal timing of transplantation is controversial.
Methods:
A Markov analytic model was used to determine life expectancy (LY) and quality-adjusted life years on a theoretical cohort of 4-year-old subjects for two treatment strategies: (1) standard care consisting of PN and referral to transplantation according to accepted guidelines and (2) early listing for isolated small intestine transplantation.
Results:
Early listing for intestinal transplantation was associated with 0.27 additional life years (13.16 vs. 12.89) and 0.76 additional quality-adjusted life years (10.51 vs. 9.75) as compared with current standard care. The unadjusted analysis was sensitive to the development of PN-associated liver disease, at a threshold of approximately 11% per year, and its related probability of dying at a threshold of 80% 2-year mortality. Early listing for transplantation was the dominant strategy until the probability of late bowel rejection reached 35% per year.
Conclusions:
Children with short bowel syndrome dependent on PN should be considered for intestinal transplantation earlier than what is current practice.
