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Chronic venous insufficiency (CVI) is the most common cause of leg ulcers. Patients with morbid obesity are remarkable for particularly recalcitrant ulcers. Because obesity is not specifically incorporated in CEAP or other venous scoring systems, we sought to characterize this group of patients more completely.

Patients with severe CVI (CEAP clinical class, 4, 5, and 6), and class III obesity (body mass index [BMI], >40) were reviewed. Findings from clinical and duplex ultrasound scan (DU) examinations were compared with the CEAP classification, its adjunctive venous clinical severity score, and sensory thresholds.

A review of clinic records identified 20 ambulatory patients with a mean age of 62 years, a mean BMI of 52, and a mean weight of 164 kg (361 lbs); all but one had bilateral symptoms. No evidence of venous insufficiency was detected with DU in 24 of the 39 limbs. Although …