Stoma assessment, appliance management, peristomal skin care, and complication recognition
Managing clients with ostomies is a common clinical responsibility in home health nursing. From assessing stoma viability to troubleshooting appliance fit, these skills require both technical competence and the ability to teach clients and families who are often anxious about self-care. This lesson covers the essential knowledge for safe, effective ostomy care in the home setting.
At every visit, assess the stoma before and after appliance removal. A healthy stoma is beefy red and moist — like the mucosal lining of the mouth. It should protrude slightly above skin level (typically 1–2.5 cm) and be soft and compressible. Assess color, moisture, size, height, and the mucocutaneous junction (where stoma meets skin).
Pink to red: normal. Pale pink: may indicate anemia or ischemia. Purple or blue: impaired venous drainage or ischemia — notify the clinician immediately. Black: full necrosis — clinical emergency. Any change from previous assessment in color requires documentation and clinical notification.
Two-piece systems (separate wafer and pouch) are most common in home care — they allow pouch changes without full wafer removal. One-piece systems are simpler but require full changes. The critical fit parameter is the wafer aperture: it should extend no more than 3mm beyond the stoma edge. A gap larger than this exposes peristomal skin to effluent, causing breakdown. Measure the stoma at every visit for new ostomies — significant shrinkage occurs over the first 4–8 weeks post-surgery.
Peristomal skin (within 10 cm of the stoma) should be intact, unbroken, and free of redness, erosion, or rash. The most common complication is skin breakdown from effluent contact — caused by poor appliance fit. Other causes include moisture-associated skin damage, allergic contact dermatitis from adhesive, and folliculitis from hair removal. Clean peristomal skin with mild soap and water, rinse thoroughly, and allow to dry completely before applying the appliance. Skin barriers, barrier rings, and convex appliances are tools for managing challenging peristomal anatomy.
Colostomy output varies by location: ascending/transverse colostomy produces liquid to semi-formed stool; descending/sigmoid colostomy produces formed stool. Ileostomy produces liquid green to yellow effluent — 1,000–1,500 ml/day is normal. High output (>2,000 ml/day) risks dehydration and electrolyte imbalance.
Stomal obstruction presents with decreased or absent output, cramping, nausea, and vomiting — particularly common with ileostomies. This is a clinical emergency requiring immediate notification. Prolapse (stoma extending more than 5 cm beyond skin) or retraction (stoma below skin level) also require clinical notification.
Complete this 5-question quiz with 80% or higher to earn your CEU credit for this lesson.