Complications
Stoma Prolapse: Causes and Management
A clinical guide to stoma prolapse: what causes it, how to recognise it, and how it is managed conservatively or surgically.
On this page
- What Causes a Stoma Prolapse?
- Surgical and Anatomical Factors
- Patient and Lifestyle Factors
- Recognising a Stoma Prolapse
- Degrees of Prolapse
- Conservative Management
- Appliance Adaptations
- Manual Reduction
- Lifestyle and Activity Modifications
- Surgical Management
- Surgical Options
- Living with a Prolapsing Stoma
- The Bottom Line
A stoma prolapse occurs when a segment of bowel telescopes outward through the stoma opening, producing a visible, often dramatic extension of intestinal tissue beyond the abdominal surface. It is one of the more common long-term complications of stoma formation, reported in up to 10–30% of loop colostomies and less frequently in end stomas and ileostomies. Although the sight of a prolapse can be deeply distressing, the condition is in most cases manageable, and many people with a prolapsing stoma continue to live comfortably with the right support and appliance adaptations.
What Causes a Stoma Prolapse?
Prolapse is ultimately caused by a combination of structural, surgical, and physiological factors that allow the bowel to slide outward through the trephine (the surgically created hole in the abdominal wall).
Surgical and Anatomical Factors
- Stoma type: Loop stomas, particularly transverse loop colostomies, carry the greatest risk because a longer, more mobile segment of bowel is brought to the surface, leaving the distal (efferent) limb relatively unsupported.
- Size of the trephine: If the abdominal wall opening is fashioned too large, there is less resistance to bowel movement outward.
- Inadequate fixation: When the bowel is not sutured firmly to the abdominal fascia at the time of surgery, it retains greater mobility.
- Emergency versus elective formation: Stomas created under emergency conditions — for example during bowel perforation or acute obstruction — may be technically less optimal than planned formations.
Patient and Lifestyle Factors
Elevated intra-abdominal pressure is the common physiological thread linking most patient-related risk factors:
- Obesity: Increased abdominal wall tension and adipose tissue reduce fascial support.
- Chronic cough: Repeated pressure surges from conditions such as asthma or chronic obstructive pulmonary disease (COPD).
- Straining: Constipation, urinary straining, or heavy lifting all generate sudden pressure spikes.
- Pregnancy and ascites: Any cause of sustained raised abdominal pressure may precipitate or worsen a prolapse.
- Physical activity: High-impact or heavy resistance exercise increases transient intra-abdominal pressure, particularly in the early post-operative period.
Recognising a Stoma Prolapse
The characteristic appearance of a stoma prolapse is an elongated, cylindrical or conical protrusion of moist, reddish-pink bowel mucosa extending beyond the abdominal surface. The length can range from a few centimetres to, in extreme cases, 20 cm or more.
Degrees of Prolapse
Clinicians sometimes classify prolapse by its reducibility:
- Reducible prolapse: The bowel slides back into position spontaneously (often when lying flat) or can be gently returned manually.
- Irreducible prolapse: The bowel remains protruded and cannot be reduced — this warrants prompt medical review.
- Incarcerated or strangulated prolapse: The blood supply to the protruding segment is compromised. The stoma mucosa becomes dusky, blue-purple, or black. This is a surgical emergency.
Associated symptoms may include difficulty fitting the appliance, leakage, dragging discomfort, and, in severe cases, obstruction or bleeding.
Conservative Management
For many people, particularly those with small or intermittent prolapses, non-surgical approaches provide effective ongoing management.
Appliance Adaptations
A standard flat or convex baseplate may no longer be suitable when a stoma prolapses. A stoma care nurse can advise on larger-aperture, flexible baseplates, or soft convex systems that accommodate the varying stoma length. Using a support belt or hernia belt can provide gentle external support to the abdominal wall and help reduce prolapse frequency, particularly during physical activity.
Manual Reduction
Patients and carers can be taught to reduce a prolapse manually. The recommended technique involves:
- Lying flat to reduce gravity effects.
- Applying a cool, damp cloth or sugar paste (an old nursing technique that draws fluid from oedematous mucosa, reducing swelling) to the prolapsed bowel.
- Applying gentle, sustained inward pressure with the flat of the hand — never poking or pinching the delicate mucosa.
This should only be attempted after instruction from a stoma care nurse or clinician.
Lifestyle and Activity Modifications
- Avoid heavy lifting (generally defined as more than 5–10 kg in the early post-operative months; individual guidance varies).
- Treat chronic constipation promptly with dietary fibre, adequate hydration, and prescribed laxatives if needed.
- Manage chronic cough with appropriate medical treatment.
- Consider referring to a pelvic health physiotherapist for guidance on abdominal pressure during exercise.
Surgical Management
Surgery is considered when:
- The prolapse is large, recurrent, or irreducible.
- It causes significant functional impairment (obstruction, persistent leakage, or skin breakdown).
- Strangulation or ischaemia occurs.
- Conservative measures have failed to maintain quality of life.
Surgical Options
Local revision involves resecting the redundant bowel and reforming the stoma, often through a peristomal incision without entering the main abdominal cavity. This carries lower risk than full laparotomy and has good short-term outcomes, though recurrence is possible.
Stoma relocation moves the stoma to a different abdominal site with a more appropriately sized trephine and improved fixation. This may be preferred when local anatomy at the original site is unfavourable.
Stoma reversal or conversion — where the patient’s underlying condition permits — may be the most definitive solution. Converting a loop colostomy to an end colostomy, or reversing the stoma altogether (restoring intestinal continuity), eliminates the risk of further prolapse at that site.
The choice of operation depends on overall health, surgical history, and the patient’s own priorities. Shared decision-making between the patient, surgeon, and stoma care nurse is essential.
Living with a Prolapsing Stoma
A prolapsing stoma does not inevitably mean surgery or a diminished quality of life. Many people manage their prolapse successfully for years with the right appliance, technique, and lifestyle adaptations. Psychological distress is common and should not be underestimated — specialist counselling or peer support groups can be valuable alongside clinical care.
Regular review by a stoma care nurse is particularly important because a prolapse changes the mechanical demands on the appliance and the peristomal skin, increasing the risk of leakage and irritant dermatitis if left unaddressed.
The Bottom Line
Stoma prolapse is a recognised complication of stoma surgery, most common in loop colostomies, and driven by a combination of surgical technique and raised intra-abdominal pressure. Most cases can be managed conservatively with appliance adaptation, manual reduction techniques, and lifestyle changes; surgery is reserved for severe or complicated presentations. Any prolapse that becomes irreducible, or where the stoma turns dark, requires urgent medical assessment. Always discuss symptoms and management options with your stoma care nurse or specialist surgeon, who can tailor a plan to your individual anatomy, stoma type, and daily life.
Common questions
Frequently asked questions
- Is a stoma prolapse dangerous?
- A prolapse is often alarming in appearance but is not automatically a medical emergency. However, if the prolapsed bowel becomes dark, blue-purple, or cannot be reduced, you should seek urgent medical attention as this may indicate compromised blood supply. Most prolapses can be managed safely with guidance from a stoma care nurse.
- Can a prolapsed stoma be pushed back in?
- Yes, in many cases a prolapse can be gently reduced manually, a process best taught by a stoma care nurse or clinician. Lying flat and applying gentle, steady pressure with a cool, damp cloth may help the bowel retract. Never attempt forceful reduction, and do not try this without professional guidance first.
- Will I always need surgery for a stoma prolapse?
- Not necessarily. Many prolapses are managed conservatively with appliance adjustments, activity modification, and technique changes. Surgery is considered when the prolapse is large, recurrent, interferes significantly with daily life, or causes complications such as obstruction or ischaemia.
- Which type of stoma is most likely to prolapse?
- Transverse loop colostomies carry the highest reported risk of prolapse, particularly at the distal (non-functioning) limb. Loop stomas in general prolapse more frequently than end stomas, though any stoma type can be affected.
- Can prolapse be prevented?
- While not all prolapses can be prevented, surgical technique plays an important role and meticulous fixation of the bowel at the time of stoma formation reduces risk. After surgery, patients are generally advised to avoid heavy lifting, manage chronic cough or constipation, and maintain a healthy body weight, all of which reduce intra-abdominal pressure.
References