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PubMed This is a summary of 20 peer-reviewed journal articles Updated
Gastroenterology · Short Bowel Syndrome

Surgical Options and Intestinal Transplant

At a Glance

For secondary short bowel syndrome, doctors usually first consider reconnecting usable bowel or lengthening procedures to improve absorption. Intestinal transplant is reserved for life-threatening intestinal failure, such as worsening liver disease, loss of vein access, or recurrent severe infections.

While many people with Short Bowel Syndrome (SBS) find stability through medication and specialized diets, some may benefit from surgical procedures designed to improve their gut’s function. These surgeries range from relatively common “reconnection” procedures to highly complex transplants. In the world of intestinal rehabilitation, the goal is always to follow a stepwise path: first maximizing what you have, then reshaping it if possible, and considering transplant only as a life-saving rescue option [1][2].

Restorative Surgery: Reconnecting the Bowel

The most common surgical option for SBS is restorative surgery, also known as re-anastomosis. If you currently have a stoma and a portion of your colon or small intestine that was “disconnected” but left in place, your surgeons may evaluate if they can reconnect them [1][3].

Bringing your colon back into the digestive process can help absorb extra water, salt, and calories [4][5]. Reconnecting the bowel can significantly reduce the volume of IV fluids you need, and for some, it can lead to enteral autonomy—the ability to live without IV nutrition entirely [5][6]. However, re-anastomosis is considered only when the remaining bowel and colon are healthy and usable, and when inflammation, sepsis, obstruction risk, nutrition, and operative risk have been assessed; it is not safe or beneficial for every stoma patient and does not guarantee intestinal autonomy.

Autologous Reconstruction (Bowel Lengthening)

For patients who have had their bowel reconnected but still struggle with severe malabsorption, there are specialized “autologous” procedures. “Autologous” simply means the surgeon uses your own existing tissue rather than a donor organ [7].

These procedures are highly selected and most often used when the remaining small intestine has become dilated (stretched out like a wide balloon). When the bowel is too wide, food doesn’t move through it effectively, often leading to bacterial overgrowth [7][8].

  • STEP (Serial Transverse Enteroplasty): The surgeon uses a stapling device to create a “zigzag” pattern in the dilated bowel, which narrows the tube and makes it longer [9][10].
  • Bianchi Procedure: An older technique where the surgeon “splits” a segment of the bowel lengthwise to create two narrower, longer tubes [9].

While these surgeries can help the gut work more efficiently, they are complex and carry risks, such as leaks, strictures, new blockages or a return of bacterial overgrowth over time [8][11].

Intestinal Transplantation: A Life-Saving Rescue

An intestinal transplant is not a standard “next step” for SBS. It is a highly complex, life-saving “rescue” operation reserved for people whose Intestinal Failure (IF) has become life-threatening despite the best possible medical care [12][13].

Transplantation is generally only considered if you face life-threatening complications of home parenteral nutrition, such as:

  1. Progressive Liver Disease: When intestinal-failure-associated liver disease progresses and threatens to become liver failure [12][14].
  2. Loss of Vein Access: When the major veins used for your central line become blocked (thrombosed), threatening safe venous access [15][14].
  3. Recurrent Severe Infections: Multiple life-threatening bloodstream infections or recurrent serious sepsis despite expert care [12].

The Importance of Early Referral

Even if you are currently doing well on IV nutrition, your team may suggest an “early referral” to a specialized Intestinal Failure and Transplant Center [16]. Early referral is for surveillance and planning, not an automatic commitment to transplant, and should occur before irreversible complications. It allows experts to:

  • Monitor your “Vein Health”: Ensuring you always have a backup plan for IV access [2].
  • Assess for Isolated vs. Combined Grafts: If caught early, some people only need a bowel transplant. If the liver is already failing, they may need a combined liver-and-bowel transplant, which is a much larger operation [17][14].
  • Optimize Your Health: Being part of a specialized center has been shown to improve long-term survival and reduce complications, regardless of whether you ever need a transplant [18][16].

A transplant requires lifelong immunosuppression (medications to prevent rejection) and carries significant long-term risks [19][20]. For this reason, the goal of your medical team will always be to keep your own native bowel working safely for as long as possible [13].

Common questions in this guide

Can surgery reconnect my bowel and reduce the need for IV nutrition?
Reconnecting a stoma to usable colon or small intestine can improve absorption of water, salt, and calories and may reduce the amount of IV fluid or nutrition needed. It is considered only when the remaining bowel is healthy and risks such as inflammation, infection, blockage, poor nutrition, and operative risk are acceptable. It does not guarantee that you can stop IV nutrition.
What is the STEP procedure, and who might benefit from it?
STEP, or serial transverse enteroplasty, reshapes a widened section of small intestine into a narrower, longer passage. It may be considered for carefully selected people whose bowel remains severely malabsorptive after reconnection and has become dilated. Risks include leaks, narrowing, new blockages, and recurrent bacterial overgrowth.
When is an intestinal transplant considered for short bowel syndrome?
An intestinal transplant is generally a rescue treatment for life-threatening intestinal failure that continues despite expert medical care. Reasons for referral may include worsening intestinal-failure-associated liver disease, loss of major veins needed for IV access, or repeated life-threatening bloodstream infections. Transplant is not the routine next step for short bowel syndrome.
Why might my doctor refer me to an intestinal transplant center before I need a transplant?
Early referral allows specialists to monitor your veins, review your anatomy, and plan for possible future treatment before complications become irreversible. It does not mean that you are committed to having a transplant. Specialized follow-up may improve safety and outcomes even if you continue using your own bowel.
What are the long-term risks of an intestinal transplant?
An intestinal transplant requires lifelong medicines that suppress the immune system to prevent rejection. Those medicines and the transplant itself carry significant long-term risks, so teams generally try to keep a person's own bowel functioning safely for as long as possible. The transplant team can explain whether an isolated bowel transplant or a combined liver-and-bowel transplant would be needed.

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Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Based on my anatomy, am I a candidate for a restorative surgery to reconnect my bowel, and what is the best timing for that procedure?
  2. 2.Do you see any bowel dilation on my scans that would make me a candidate for a 'STEP' lengthening procedure?
  3. 3.What specific criteria would trigger a referral to an intestinal transplant center for me?
  4. 4.How would you assess my current 'vein health' or central venous access to ensure I have long-term options for parenteral nutrition?
  5. 5.If I were to need a transplant in the future, what are the chances I would need a combined liver-and-bowel transplant versus just the bowel?

References

References (20)
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    [Treatment for Intestinal Failure/Short Bowel Syndrome: Alternatives to Small Bowel Transplantation - What is the International Standard?]

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    Experiences with intestinal failure from an intestinal rehabilitation unit in a country without home parenteral nutrition.

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    Postsurgical Intestinal Rehabilitation Using Semisynthetic Glucagon-Like Peptide-2 Analogue (sGLP-2) at a Referral Center: Can Patients Achieve Parenteral Nutrition and sGLP-2 Independency?

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This page is for informational purposes only and does not constitute medical advice. An intestinal rehabilitation or transplant team must assess your anatomy, nutrition, venous access, and surgical risks before recommending reconstruction or transplantation for short bowel syndrome.