Synopsis
Relate remaining bowel anatomy to fluid and nutrient loss, manage a high-output stoma without worsening sodium depletion, recognise line sepsis and intestinal-failure liver disease, and coordinate home parenteral support or teduglutide through a specialist centre.
- Intestinal failure means gut function is insufficient to absorb macronutrients, water or electrolytes so intravenous supplementation is needed; short bowel is one anatomical cause.
- Record the length and segment of remaining small bowel, whether colon is in continuity, ileocaecal valve, stoma and fistulae because these predict fluid and nutritional behaviour.
- A jejunostomy with high output loses sodium-rich fluid; drinking large volumes of plain water or hypotonic drink can increase net sodium and water loss.
- Use a high-sodium glucose oral rehydration solution in measured amounts, restrict hypotonic fluid under specialist advice and separate ordinary hydration advice from this physiology.
- Dehydration presents with thirst, cramps, postural symptoms, low urine, rising creatinine and magnesium depletion; chronic episodes can cause irreversible kidney disease.
- Fever, rigors or collapse during home parenteral infusion is catheter-related bloodstream infection until assessed urgently with paired line and peripheral cultures.
- The colon salvages water and carbohydrate but increases enteric hyperoxaluria and renal-stone risk when fat malabsorption delivers oxalate to the colon.
- Adaptation occurs over months to years; optimise diet, antimotility and antisecretory therapy before judging permanent parenteral needs or considering teduglutide.
Key red flags
Output commonly above 1.5 to 2 litres daily with thirst, dizziness, low urine, cramps, weight loss, rising urea or creatinine and hypomagnesaemia suggests net intestinal fluid loss.
Rigors, fever, hypotension or confusion during or after infusion requires sepsis assessment, paired line and peripheral cultures and immediate intestinal-failure or infection contact.
Abruptly increased output with pain, fever, vomiting or inability to tolerate intake may represent infection, partial obstruction, recurrent disease or medication withdrawal rather than loss of adaptation.
Investigation priorities
Retrieve operative records and contrast or cross-sectional imaging to document residual jejunum and ileum, colon continuity, valve, stoma, fistula and strictures.
Management branches
Stoma output rises with thirst, falling urine, weight loss or biochemical depletion.
- Exclude obstruction, infection, recurrent disease and medicine withdrawal, then measure 24-hour oral intake, output, urine and weight.
- Replace intravenous sodium and magnesium when clinically depleted, and use the specialist high-sodium oral rehydration plan while limiting hypotonic fluid.
- Give antimotility treatment before food and antisecretory treatment when indicated, titrating under ECG and intestinal-failure guidance.
- Review anatomy, diet, sodium balance and need for parenteral fluid at frequent intervals until stable.
Chronic short-bowel intestinal failure is clinically stable on an optimised regimen.
- Maximise oral diet, high-sodium fluid strategy, antimotility or antisecretory therapy and restore bowel continuity where feasible.
- Quantify stable parenteral needs and organ complications through a specialist intestinal-failure MDT.
- Consider teduglutide only when NICE eligibility and specialist safety screening are met, including neoplasia and obstruction review.
- Reduce parenteral volume gradually against urine, weight, electrolytes, renal function and nutrition rather than a predetermined target.