Parastomal Hernia with Colostomy: Prevention & Treatment (Guide 2026)

“I have a lump around my stoma — what is it?”

Parastomal hernia is the most common late complication of colostomy. According to current data ^[1] :

• 15-30% of patients in the first 2 years
• ~38% at 5 years
• >50% in patients living with a colostomy for more than 10 years

It is almost inevitable statistically — but proper prevention and early recognition can dramatically reduce symptoms and avoid surgical reoperation.

What is a Parastomal Hernia

When a colostomy is created, the surgeon makes an opening in the abdominal muscles to bring the intestine out to the skin. This opening is a weak point. Over time, intestinal tissue or fatty tissue can protrude through this gap, creating a visible bulge around the stoma ^[2] .

How to Recognize

Main Symptoms ^[3] :

• Bulging around the stoma, especially when standing or squeezing the abdomen
• The bulge decreases when lying on your back
• Difficulty attaching pouch — leaks around the stoma
• Feeling of heaviness or discomfort in the area
• Mild pain especially after heavy lifting or physical exertion
• In advanced stages: visible swelling under clothing

Test you can do at home: Stand in front of a mirror and tighten your stomach (as if you were coughing). If you see a bulge around the stoma that is clearly protruding, you may have a parastomal hernia. Confirmation is made by a surgeon with a clinical examination and possibly an abdominal CT scan ^[4] .

⚠️ When to Seek Immediate Medical Care

Risk Factors

According to the study by Donahue et al. (2014) ^[5] and the EHS Guidelines:

Factor	Role
Obesity (BMI >30)	Major factor — doubles the risk
Age >65 years	Reduced tissue elasticity
Chronic cough / COPD	Persistent intra-abdominal pressure
Constipation	Abdominal tightness, chronic pressure
Smoking	Affects collagen synthesis
Corticosteroids / immunosuppression	Delayed healing
Surgical wound infection	Poor muscle healing wall
Early heavy exercise	Lifting more than 5 kg before complete healing

🛡️ Prevention: The 6 Basic Measures

1. ⭐ Ally Belt Support Belt (Strategy No.1)

The Ally Belt by B Braun is the most proven effective conservative means for:

• ✅ Prevention (in high-risk patients: obese, elderly, COPD)
• ✅ Management of small parastomal hernias (retains hernia without surgery)
• ✅ Exercise & heavy work — protects the abdominal wall
• ✅ After hernia repair — protects the surgical repair

Ally Belt Features:

• Comfortable, breathable, adjustable
• Special hole for the stoma so you can wear a Flexima bag underneath
• Hypoallergenic fabric — does not irritate the skin
• 100% covered by EOPYY (1 pc/6 months, 290€/month in total for all colostomy materials) ^[6]

2. Mesh Prophylaxis during Surgery (Primary Prevention)

According to the Donahue et al. study and recent RCTs ^[5] , prophylactic mesh placement during radical colostomy reduces the incidence of parastomal hernia by >50% at 5 years. It is recommended by the EHS Guidelines for high-risk patients.

If you are preoperative, discuss with your surgeon whether you are at high risk (BMI >30, age, COPD) so that he or she can consider the option.

3. Stable Weight/Weight Loss

Maintaining a normal BMI (<25) is the most modifiable risk factor. In obese patients, a loss of >10% of body weight can reduce risk by >30%.

4. Proper Core Strengthening Exercises

According to the guidelines of UOAA ^[7] :

• ❌ AVOID: sit-ups, planks, lifting weights >5 kg, crunches
• ✅ ALLOWED (always with Ally Belt): light walking, breathing exercises, gentle pelvic exercise, swimming

5. Cough and Constipation Management

• Quitting smoking — reduces cough and improves collagen healing
• COPD medications — controls cough
• High-fiber diet — prevents constipation
• Mild laxatives if needed

6. Proper Lifting Technique

• Bend the knees, not the waist
• Keep the object close to the body
• Exhale on lifting — do not hold your breath (Valsalva maneuver increases intra-abdominal pressure)
• Wear Ally Belt before any physical exertion

Diagnosis: How It Is Made

According to ESCP Guidelines ^[8] :

1. Clinical examination — standing, lying, with Valsalva (abdominal tightening). Often sufficient for diagnosis.
2. Contrast-enhanced abdominal CT scan — gold standard, reveals size, content, and potential complications. Recommended when surgical planning is needed.
3. Abdominal ultrasound — alternative, less accurate but radiation-free.

🛡️ Conservative Management (>70% of cases)

Most parastomal hernias do not require surgery. Conservative approach includes:

Solution	How it helps
⭐ B Braun Ally Belt	Daily use during physical activity — holds hernia
Flexima Active O' Convex	Convex base that adapts to uneven hernia surface
B Braun Ally Paste	Filling of skin defects for sealing
Change of technique	Application in supine position (where hernia is reduced), not standing
Regular follow-up	Visit every 6 months to a surgeon for progress assessment

Surgical Treatment (When Necessary)

Surgical repair of a parastomal hernia is indicated when ^[9] :

• There are persistent leaks that are not corrected by bag changes
• Severe pain or discomfort that affects quality of life
• Episodes of incarceration (hernia that does not return)
• Emergency: hernia strangulation
• Aesthetic reasons (large visible swelling that affects psychologically)

Types of Surgery Repair

Technique	Features
Primary suture repair	Simple suture — high recurrence rate (50-70%). Used only in urgent cases.
Sublay mesh repair	Mesh under the abdominal muscles. Recurrence 15-25%.
Keyhole / Sugarbaker laparoscopic	Laparoscopic mesh approach. Current option — recurrence 10-20%.
Stoma relocation	Stoma relocation to a new location. Option for refractory cases — but new hiatus may present with new hernia.

The Cochrane Review confirms that mesh repair is superior to simple suturing in reducing recurrence ^[1] .

Living with a Parastomal Hernia

Many patients live with a small or moderate parastomal hernia for years without the need for surgery. With proper Ally Belt, proper Flexima Convex pouch, and regular follow-up, quality of life is maintained.

What else can you do:

• ✅ Office work, driving, traveling
• ✅ Light to moderate cardio (walking, cycling, swimming)
• ✅ Sex life
• ⚠️ With caution: gym exercise (always with Ally Belt)
• ❌ Avoid: lifting weights >10 kg, sit-ups, contact sports

Try Ally Belt + Flexima Convex for free

Related articles

• Pillar C: Complete guide to colostomy
• Bag Leakage — 7 Causes & Solutions
• Colostomy Bag: Which One Should I Choose?
• Exercising & Traveling with a Colostomy

📚 Βιβλιογραφία / Επιστημονικές πηγές

1. Antoniou SA et al. European Hernia Society guidelines on prevention and treatment of parastomal hernias . Hernia , 2018. pubmed.ncbi.nlm.nih.gov
2. BAUS — Information about Parastomal Hernia . British Association of Urological Surgeons. baus.org.uk
3. Liu NW et al. Risk factors for parastomal hernia following radical cystectomy with ileal conduit . Urologic Oncology . pubmed.ncbi.nlm.nih.gov
4. ASCRS Clinical Practice Guidelines for the Surgical Care of Patients with Colostomy . American Society of Colon and Rectal Surgeons. fascrs.org
5. Donahue TF et al. Risk factors for the development of parastomal hernia after radical cystectomy . Journal of Urology , 2014;191(6):1708-1713. pubmed.ncbi.nlm.nih.gov
6. ΦΕΚ Β' 5395/09-10-2025 — Πίνακας 11, Α/Α 2 (Υλικά Κολοστομίας — περιλαμβάνει Ζώνη Στομίας 1 τμχ/6 μήνες) . Εθνικό Τυπογραφείο. eopyy.gov.gr
7. UOAA — United Ostomy Associations of America: Hernia Prevention & Management . ostomy.org
8. ESCP Guidelines on Parastomal Hernias . European Society of Coloproctology. escp.eu.com
9. Cochrane Review: Surgical mesh for parastomal hernia repair . Cochrane Database of Systematic Reviews. cochranelibrary.com