Free groin flap in hemifacial volume reconstruction.

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)

Use of the free groin flap, one of the first microvascular free flaps described, has been neglected recently because it has a short pedicle and varies anatomically. However, we have found its anatomical features and type of tissue ideal for volumetric enhancement in severe hemifacial asymmetry. We present a retrospective review of a consecutive series of 14 patients who had hemifacial augmentation with a free groin flap (mean age at operation 17 years, range 10-42) since 2001, and discuss the surgical technique. The most common cause of asymmetry was hemifacial microsomia (n=6). Anatomical variation of the vessels in the groin did not cause problems. Arterial anastomosis was to the facial artery in 13 patients; 12 patients had simultaneous hard tissue procedures. No flaps failed. The free groin flap is a useful adjunct in the management of hemifacial deficits in volume when free fat grafts will not provide enough bulk. Although the operation can take longer than non-vascularised grafts, little tissue is lost so long-term results may be more predictable. We have found the anatomy fairly consistent and the short pedicle caused no problems.

Evidence level

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

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