Intestinal Failure
The current ASPEN guidelines define enteral autonomy as independence from parenteral support for 12 weeks with maintenance of adequate growth and hydration during that time period. — Paul Wales, Intestinal Rehabilitation, Episode 3: Enteral Autonomy, Part 1 · 6:39
In the intermediate and longer term, complications include intestinal failure-associated liver disease, recurrent sepsis, or line problems, which historically led to death or transplant. — Paul Wales, Intestinal Rehabilitation, Episode 2: Overwhelming intestinal damage, Part 1 · 4:44
Pancreatic enzymes in short gut patients go through before they've released, and there is concern they may cause strictures or stoma problems in areas of stenosis and dysmotility. — Michael Helmrath, Intestinal Failure - Feeding Access and Nutrition · 1:49:07
When proximal and distal stomas are placed close together, takedown is less stressful on patient and surgeon than complete laparotomy to find and reconnect distant bowel segments Practical Approach: Intestinal Failure Innovations · 8:02
Cincinnati Children's Hospital institutionally defined cholestasis as conjugated bilirubin greater than 3 mg/dL or 50 micromoles/L sustained for 2 weeks and not associated with a septic event. — Paul Wales, Intestinal Rehabilitation, Episode 6: Cholestasis · 1:09
If it becomes part of practice to order urine electrolytes at the time that someone's doing their TPN blood work, it's easy to calculate the fractional excretion of sodium ratio. — Paul Wales, CAPS - The use of urine sodium to creatinine ratio as a marker of total body sodium in infants with intestinal failure - Sara Choi · 7:12
Patients should be referred to intestinal rehabilitation programs when not making progress, on prolonged TPN, or have significant comorbidities, preferably sooner rather than later. — Stephanie Oliveira, Advancements in Pediatric Intestinal Failure: Innovative Therapies and Improved Outcomes · 4:19
Patients who transitioned to adult care showed no obvious differences in medical complexity or disease burden compared to those who remained in pediatric care — Julian Goddard, Care transition from a pediatric intestinal rehabilitation program to adult care and the risk of all-cause mortality: A retrospective cohort study · 0:29
Dr. Wales defined intestinal failure as a functional problem where gut function is insufficient to absorb enough nutrients, fluids, and calories to support survival and, in children, growth. He noted that until recently there was no standardized definition for the condition. Dr. Wales identified that causes of intestinal failure can be divided into three categories, though some patients present with elements of two or all three categories. He also described intermediate and longer-term complications including intestinal failure-associated liver disease, recurrent sepsis, and line problems.
- Modern intestinal rehabilitation achieves >90% survival and 60–80% enteral autonomy; the 50% autonomy threshold dropped from 30–40 cm to 10–20 cm residual bowel over the past decade.
- Preserved ileum and colon are the strongest anatomic predictors of autonomy via GLP-2 secretion, bile reclamation, and colonic short-chain fatty acid production.
- SMOF lipid at 2–2.5 g/kg/day prevents cholestasis without essential fatty acid deficiency; soybean lipid >2.5 g/kg/day increases liver disease risk 3% per day.
- Teduglutide 0.05 mg/kg/day produces ≥20% PN reduction in 69% of children; fluid reclamation is the primary mechanism, requiring concurrent enteral nutrition.
- STEP/Bianchi should be deferred until patients plateau on maximal medical therapy; early lengthening in the first year often fails due to immature motility.
Intestinal failure happens when the small intestine cannot absorb enough nutrition or fluids to keep a child growing and healthy. Doctors often see this in babies born with conditions like gastroschisis or necrotizing enterocolitis, or after surgery removes part of the bowel. [e4741-c5, e4741-c6] When a child has intestinal failure, they need nutrition delivered through a vein—called parenteral nutrition or TPN—because their gut cannot do the job alone. [e7654-c13, e7654-c14] The good news: survival rates have improved dramatically. Today, more than 90% of children in specialized intestinal rehabilitation programs survive long-term. [e4741-c20, e10183-c4] About half of these children eventually learn to eat and drink enough on their own to stop TPN completely—a milestone called enteral autonomy. The bowel has a remarkable ability to adapt over time, especially in young children, and feeding the gut—even small amounts—helps that healing happen. [e5141-c2, e5141-c3] Breast milk, when available, offers unique benefits beyond nutrition. [e296-c15, e7209-c4] Specialized teams—surgeons, dietitians, nurses, and others—work together to prevent complications like liver disease and line infections, which used to be much more common. [e927-c47, e13892-c12] Newer treatments, including a medication called teduglutide, can help some children absorb more and need less TPN. [e6180-c8, e6180-c9] While the journey is long and requires frequent hospital visits, many families report their child's quality of life exceeds what they feared at diagnosis.
