The technique may be indicated for subcutaneous lipoatrophic (type 1A) and fibrotic gluteal retractions (type 1B). At rest, both types have tissue depression, which is aggravated with muscle contraction. These retractions are caused by adipose tissue atrophy after local fibrosis secondary abscess drainage, toxic effect of injections in the buttocks, or idiopathic causes. The present approach may be limited indication for fascial (type 2) and muscle retractions (type 3). In these cases, the gluteus retractions are normal at rest and do not change with muscle contraction. When the thigh is flexed, the fascia may cause a plaque-like depression, and muscle variation may cause linear depression parallel to the gluteus maximus fibers. In these patients, an open approach with fasciectomy and incision of the hardened fibers may be indicated.4
The fat grafts in the group 2 (gluteal) were indicated in cases after subcision with the purpose of smoothening the anatomic contouring of buttocks. Figure 4 shows the case of a 38-year-old woman presenting sequelae of multiple injections during her childhood. Diagnosed as type 1A retractions (lipoatrophy), 1B (fibrosis), and a large depression >5 cm and mixed with points of cellulite grade 3. In the first session, it was indicated that combined subcision with traction should be performed. Four months later, the same procedure was done together with fine syringe lipoplasty with 1- and 2 mm cannula to level the surrounding tissue.
In patients who had gluteal retractions, satisfactory results were obtained when the tissue depression diameter was <5 cm. For those who have larger depressions, complications of treatment may include seroma, observed with 6 patients who had buttock depressions. However, vertical tissue suspension with suture optimized the procedure in patients who had prominent scar retraction caused by a previous inflammatory event, because tissue suspension created space that preserved a minimum subcutaneous layer and facilitated the excursion of the needle or miniblade.
Retracted tissue depressions in the abdomen typically were caused by scars after Cesarean section, laparotomy, or placement of drains, and the scar layer usually was very close to the muscular aponeurosis. The present subcision method was more effective than techniques that use cannulas during lipoplasty. In pure fibrotic zone, subcision associated with vertical tissue suspension facilitates the disruption of the adhesions.
Similar efficacy was noted in breast adhesions that were caused by mastectomy, axillary dissection, and radiotherapy. In these conditions, fat grafting may be unsuccessful because of fibrotic scar at the axilla. Releasing the adhesions with subcision and vertical traction may cause an inflammatory connective tissue response that may improve the nutritional supply of the region (Fig. 5). Concomitant use of a fat graft may increase the potential for integration of adipose and mesenchymal cells. In retracted axillary scars caused by nodal resection or radiotherapy, current methods may include fat graft infiltrated in tunnels or fillets or an external expansion system, but there is controversy, because of the integration of fat grafting and potential complications.5–105–105–105–105–105–10
Vertical traction with subcision method has the advantages compared with other traditional subcision techniques that use wire or suction.11–1411–1411–1411–14 These approaches affect the soft tissue in a static plane with the skin layers juxtaposed. The proposed strategy stretches the tissue layers and enables the release of the retracted bands in a deeper plane, which will be replaced with connective tissue (Fig. 6). As shown in guinea pigs, the scar tissue grafting causes tissue formation that fill the space created.15
The needle used was effective for smaller depressed tissue lesions, and the miniblade works better in lesions with diameter >5 cm. Although other instruments have been suggested, their effectiveness has been questioned.16
Complications of the present technique were noted primarily in the gluteal region, including fluid collection (seroma) at retracted areas of type 1A, 1B, and 1C lesions (diameter >5 cm). These complications usually resolved after ambulatory drainage except in 2 patients who required an indwelling Penrose drain for 2 weeks. In large soft-tissue retractions or linear type 3 or 4 lesions with retracted fascia or muscle adherence located on the buttocks, it may be advisable initially to release the central area, allow 2–3 months to healing, and later release the peripheral zone. This 2-stage approach may minimize dead space, the primary cause of seroma. Figure 7 shows the case of a 36-year-old patient presenting a transverse idiophathic type 2 (subfascial) >5-cm retraction. Three treatments were planned. In the first treatment, only the central part of the retraction was released. In a late date, 3–6 months apart, we released the periphery of the retraction and refined the contouring using 10-cm3 syringe with 1–2-mm cannula.
In patients who had treatment of gluteal lesions, induration in the treated area was the most frequent complaint at follow-up. In 2 patients, this induration persisted for 3 months. Patients may be advised that releasing the retracted bands may induce a healing response including initial bleeding, clot formation, and scar maturation.17 This healing response may be controlled with triamcinolone (20 mg/mL) diluted 1:2 with lidocaine (2%) applied with a 30 × 7 brown needle at a depth of 15–20 mm, preserving the dermis; this injection may be used once or twice (minimum interval between 2 injections, 45 days) to prevent fat atrophy or telangiectasia. Late refinement with lipoplasty and superficial fat grafting with 1–2-mm cannula may help provide a smooth boundary at a chin and large gluteal depressions (type 1A, 1B, 1C) (Fig. 8).
In the gluteal region, the skin retractions were manifestations of gynecoid lipodystrophy, grade 3 (cellulite).18,19 In this condition, septa between the dermis and gluteus maximus fascia may cause multiple retractions. The vertical traction with the suture created a virtual space and enables the disruption of the septa while preserving a minimum layer of subdermal fat (thickness, 0.5–1 cm) that contributed to a smooth contour after treatment. The connective tissue healing created adequate tissue bulk at the previously retracted area. The most accepted current cellulite classification grade 0 is the absence of alterations of cutaneous surface; grade 1: the surface of the affected area is flat when the patient is lying on her back or standing up; grade 2: an “orange peel” or “padded” appearance is evident without any pinching or muscular contraction when the patient is standing up; grade 3: the alterations described in the grade 2 are present with elevations and nodulations. Considering the complex etiology of the gynecoid lipodystrophy, different grades may be present in the same patient. In our data, we indicated the procedure for cases with predominance of grade 3. In these cases, there is a correspondence of the theories that best explain the clinical expressions of the cellulite—the protusion of fat in the dermohypodermal junction due to the presence of vertical bands, according to Nürenberger and Müller.20 Other authors postulated that the alteration is a genetically determined extension of those fascial bands.21 These alterations allow the protusion of fat into the dermohypodermic junction, causing the dimple skin. So, the tractioned subcision demonstrated in this investigation allows us to break these bands easily.
We did not register any seroma in the patients treated for cellulite in the group 2 (gluteal), probably because all the regions treated are <5-cm diameter and there is no association with previous scar.
The cellulite cases were classified mainly as a fair result. As a practical evaluation, we could consider reduction in 1 or 2 degrees, eg, grade 3 for grade 1. But, considering this entity as a multifactorial event that contributes to the gynecoid lipodystrophy, we suggest a generic classification. Video 2 (See video, Supplemental Digital Content 2, which displays a 39-year-old female of the group 2 (gluteal region) presenting grade 3 cellulite, lipoatrophy (type 1A), and fibrosis (1B), 18 months after 2 sessions of combined subcision with upward traction. This video is available in the Related Videos section of the Full-Text article on PRSGlobalOpen.com or available at http://links.lww.com/PRSGO/A134.) shows a 38-year-old woman presenting a predominant grade 3 cellulite at the buttocks, before and 18 months after 2 sessions of ambulatorial subcision with upward looping suture without fat graft. This case at rest and dynamic view was classified as fair result (See video, Supplemental Digital Content 2. This video is available in the Related Videos section of the Full-Text article on PRSGlobalOpen.com or available at http://links.lww.com/PRSGO/A134.).
In summary, the present technique combining subcision after vertical suspension with looping suture may be effective in treating soft-tissue retractions. This approach may be indicated for varied lesions at diverse anatomic sites of soft-tissue depression, including gluteal retractions type 1A, 1B, and 1C. The simple method may provide satisfactory results with low risk of complications.
Percutanous subcision combined with upward traction with stitches, as previously reported by the authors for treatment of inverted nipple type II and III, confirms its versatility to correct soft-tissue depression at diverse anatomic areas. Although retractions types 1A, 1B, and 1C of the group 2 bigger than 5 cm presented an incidence of seroma, it did not compromise the final outcome. The average result, classified as good in 65% and fair in 30%, makes the strategy an option in the treatment of soft-tissue depression.
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