Regenerative potential of the sural neuroadipofascial flap in the treatment of chronic ulcers of the lower third of the leg.

Early human evidence such as case series or small samples is exploring possible benefits.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Surgical reconstruction of soft tissue defects in the distal third of the lower limbs has always been challenging for surgeons. The adipofascial flaps are made up of vascularized adipose tissue, which plastically conforms to the site to be reconstructed with its rich presence of stem cells. In this study, we resumed our case history of reverse neuroadipofascial sural flap, and we evaluated the stability of the scar to verify if this type of reconstruction can ensure long-term results and its regenerative power. In this retrospective cohort study, we analyzed 32 patients who had undergone lower limb reconstruction with the sural neuroadipovenous flap. A total of 32 patients were included in the study. The average age was 62.2 years. Chronic skin ulcer was the cause of the defects in 13 (40.6%) patients, chronic wound after trauma in 7 (21.9%) patients, wheel bedsores in 4 (12.5%) patients, osteomyelitis in 5 (15.6%) patients, exposed internal hardware in 2 (6.3%) patients, dog bite in 1 (3.1%). The site defect comprised 11 heels (34.4%), 4 external malleoli (12.5%), three medial malleoli (9.4%), 12 lower third of the leg (37.5%), and two dorsa of the foot (6.3%). In all cases, defects were covered with reverse sural island flap. The dimension of the flap ranged from 5 to 9 cm in length and from 3 to 7 in width. Six patients showed early or later postoperative complications. The

Evidence level

Early human evidence such as case series or small samples is exploring possible benefits.

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