Chronic Wounds
Causes:
Venous insufficiency
Arterial disease (PAD)
Diabetes mellitus
Pressure injuries in immobile patients
Symptoms:
Non-healing wound >4 weeks
Swelling, discoloration, or pain
Possible foul-smelling discharge or infection
Tissue necrosis or exposed bone (in severe cases)
Diagnosis:
Clinical examination of wound characteristics
Ankle-Brachial Index (ABI) to evaluate arterial flow
Duplex ultrasound for venous insufficiency
Wound culture if infection suspected
Treatment:
Debridement (surgical or enzymatic)
Moist wound healing with appropriate dressings
Revascularization if ischemia present
Offloading (e.g., custom orthotics for diabetic foot ulcers)
Antibiotics for infected wounds
Hyperbaric oxygen therapy in selected cases
Complications:
Osteomyelitis (bone infection)
Amputation
Sepsis
Follow-up:
Multidisciplinary wound care (vascular, endocrinology, podiatry)
Blood glucose control in diabetic patients
Smoking cessation and lifestyle modification