Medical Services
The Largest online database of patient reviews for doctors, facilities and online Appointment.
Non-healing ulcers are chronic wounds, typically on the lower extremities, that persist beyond 4-6 weeks despite standard care, often signaling underlying vascular, neuropathic, or systemic pathology.
Causes and Types
Vascular ulcers (70-90%) stem from venous insufficiency (stasis dermatitis), arterial disease (peripheral artery disease/PAD causing ischemia), or mixed etiology. Neuropathic ulcers, common in diabetes, arise from unnoticed trauma due to sensory loss. Pressure ulcers result from prolonged immobility in bedridden patients, while others are linked to autoimmune conditions (vasculitis, pyoderma gangrenosum), infection, malignancy, or malnutrition.
Symptoms and Risk Factors
They present as shallow/deep craters with irregular edges, foul exudate, surrounding erythema, or eschar; pain varies (punch-out in arterial, pruritic in venous). Risks include diabetes, smoking, obesity, advanced age, neuropathy, and comorbidities like hypertension or kidney failure impairing perfusion and healing.
Diagnosis and Management
Assess via ankle-brachial index (ABI), Doppler ultrasound, wound swab, or biopsy to exclude malignancy. Treatment involves debridement, compression (venous), revascularization (arterial), offloading, advanced dressings (hydrocolloids, growth factors), or hyperbaric oxygen; glycemic control is key for diabetics.
Complications
Untreated cases risk cellulitis, osteomyelitis, gangrene, or amputation (15x higher in diabetics). Multidisciplinary care improves healing rates to 70-90%.