Management of Severe Flushing and Abdominal Leakage from Old PEG Tube Site
For severe flushing (erythema) and abdominal leakage from an old PEG tube site, immediately protect the skin with a hydrocolloid wafer as a keyhole dressing, perform daily sterile dressing changes with antiseptic measures, obtain a wound culture, and initiate antibiotics if infection persists beyond local treatment. 1
Immediate Assessment and Skin Protection
The combination of severe flushing and leakage indicates either active infection or a persistent gastrocutaneous fistula with gastric content leakage. Your first priority is skin protection to prevent chemical injury from gastric contents 1. Apply a hydrocolloid wafer configured as a keyhole dressing around the site immediately—this is specifically recommended in the ESPEN guidelines for gastric content leakage 1.
Distinguish Between Infection and Normal Inflammation
- Reddening >5mm around the stoma suggests true infection rather than movement-induced irritation 1
- Look for: purulent secretion, induration, warmth, systemic fever, or leukocytosis 1
- Note that mild erythema <5mm is common and often mechanical, not infectious 1
Treatment Algorithm
Step 1: Local Wound Management (First-Line)
- Remove any existing dressings and inspect thoroughly for bleeding, secretion, induration, or allergic reactions 1
- Clean the wound area completely and disinfect using proper sterile technique 1
- Dry the area completely before applying new dressings 1
- Apply Y-compress under any remaining tube to prevent moisture accumulation 1
- Change dressings daily under sterile conditions until improvement 1
Step 2: Culture and Antibiotic Therapy
- Obtain a wound swab for microbiological examination before starting antibiotics 1
- Most peristomal infections respond to antiseptic measures alone within days 1
- Add systemic antibiotics only if local measures fail or if there are signs of cellulitis/systemic infection 1
Step 3: Address Persistent Leakage
If the tube has been removed and a persistent gastrocutaneous fistula is causing the leakage:
- Most fistulas close spontaneously within 72 hours of tube removal 2
- Risk factors for persistent fistula include: immunosuppression, prior site infection, malnutrition, delayed gastric emptying 2
- For persistent fistulas failing conservative management: endoscopic closure using over-the-scope clips or endoscopic suturing is effective 2
- Combined electrochemical cautery with endoscopic clip placement achieves 82% complete closure rates in elderly patients who fail conservative therapy 3
Critical Pitfalls to Avoid
Do not assume this is simple cellulitis without ruling out serious complications:
- Necrotizing fasciitis can develop after PEG placement—look for subcutaneous gas on imaging or rapidly progressive inflammation 2
- Delayed gastric perforation into subcutaneous space can occur even years after PEG removal, mimicking soft tissue infection 4
- If the patient has abdominal pain, fever, or signs of peritonitis: obtain CT imaging immediately to rule out intraperitoneal leakage or abscess 5, 4
Do not perform unnecessary exploratory procedures:
- Even pneumoperitoneum with mild abdominal pain should be managed conservatively initially, as severe complications are rare 1
- However, true peritonitis or sepsis requires immediate surgical consultation 4
When to Escalate Care
Refer for endoscopic or surgical intervention if:
- Conservative management fails after 7-10 days of appropriate local care and antibiotics
- Persistent gastrocutaneous fistula continues beyond 2-3 weeks
- Signs of necrotizing infection (subcutaneous gas, rapidly spreading erythema, systemic toxicity)
- Suspected intraperitoneal complications (peritonitis, abscess)
The key distinction is that transient leakage in the initial days after tube placement or removal is expected and managed conservatively 1, but your patient's "extremely severe" presentation with an "old" PEG site warrants aggressive local management and low threshold for imaging and specialist consultation.