VENOUS ULCERS

• Venous ulcers are situated on the medial side of lower half of the leg above medial malleolus (gaitre’s zone)
• It is a complication of varicose veins and DVT.

ETIOLOGY-

1. Fibrin cuff theory-

• High venous pressure –> pericapillary infiltrate –> fibrin –> fibrosis –> cuffs –> diffusion block –> tissue damage

1. White cell trapping –> reactive oxygen species –> free radicals –> tissue damage

PATHOGENESIS-

• Varicose veins or DVT –> Chronic venous hypertension around ankle –> haemosiderin deposition –> eczema –> dermatitis –> lipodermatosclerosis –> fibrosis –> anoxia –> ulceration

CLINICAL FEATURES-

• Venous ulcer is vertically in shape, solitary, sloping edges and never penetrates deep fascia.
• Painless
• Discharge is sloughing with high exudates

INVESTIGATIONS-

• Duplex ultrasound- IOC for deep and superficial veins
• Bipedal ascending phelography

TREATMENT-

• Compression bandaging regiemen

Don’t Forget to Solve all the previous Year Question asked on VENOUS ULCERS