Kombinierter Latissimus-dorsi- und A.-thoracodorsalis-Perforatortranspositionslappen

BACKGROUND: Reconstruction or complete cover of extended but polygonal defects is limited by the size of transplantable tissue. One of the largest composite tissue components to be transplanted is the myocutaneous latissimus dorsi flap. Under certain circumstances even this large-scale flap is not sufficient for complete defect cover. Based on experiences with the thoracodorsal artery perforator (TAP) flap, the skin island adjacent to the latissimus muscle may be raised, pedicled on the perforator vessels penetrating the underlying muscle. Thus this island may easily be transposed or rotated to enable additional defect cover. METHODS: This method was applied in eight patients for defect cover at the extremities, thorax or for hypopharynx reconstruction. The exact location of perforator vessels may be determined pre- or intraoperatively with a hand Doppler so that skin flap transposition can already be planned before surgery. RESULTS: All of the skin flaps transposed or rotated healed without complications. It may even be assumed that utilizing this method helped to avoid further complications like scar contractures, because tension-free wound closure was feasible. CONCLUSIONS: The combined latissimus dorsi- thoracodorsal artery perforator-transpositional free flap is capable of covering very extensive polygonal as well as defects over joints in order to prevent scar contractions.     

Combined latissimus dorsi-thoracodorsal artery perforator free flap: the "razor flap"

Elevation of the skin island overlying the latissimus dorsi muscle, dissecting the dominant perforating vessel, permits independent positioning of the skin island in relation to the muscle. This combination of the thoracodorsal artery perforator (TAP) and the latissimus dorsi (LD) muscle flap expands the surface of the flap without increasing donor morbidity.     

Thoracodorsal artery perforator (TAP) type I V-Y advancement flap in axillary hidradenitis suppurativa.

Hidradenitis suppurativa is a chronic debilitating disease. Surgical removal of all apocrine glands in the affected region is the definitive treatment. The resulting wound may either be left to heal secondarily or closed primarily. Secondary healing in the axilla may cause contractures and stiffening of the shoulder. Primary healing requires direct closure, split-skin grafting or local flap application. Direct closure is associated with a high incidence of recurrence compared to skin grafting or flaps. Local flap cover is the ideal method of wound closure after excision of the glands. We have used a thoracodorsal artery perforator (TAP) V-Y advancement flap (type I) to achieve closure as a single-stage procedure successfully in four cases. It is a single stage procedure capable of closing large axillary defects whilst preserving the axillary contour.     

The compound thoracodorsal perforator flap in the treatment of combined soft-tissue defects of sole and dorsum of the foot.

Nine cases of massive soft-tissue loss of the foot were reconstructed by means of a compound (chimera) thoracodorsal artery perforator (TAP) flap, which reconstituted the different functional units (dorsum, heel, instep, weight-bearing surface). In each case, the flap consisted of a skin component isolated on its perforator in combination with a portion of latissimus dorsi muscle and/or serratus fascia, all pedicled on the thoracodorsal vessels. The pedicle length allows up to 4-6 cm of independent mobility of the skin island. The mobility of the various flap components allows the various functional units of the foot to be reconstructed without relying on multiple flaps or anastomoses. The pedicle length was sufficient to be able to perform the anastomosis out of the zone of injury. In some cases the skin island was harvested along with intercostal nerve branches, this gave us the potential to develop a sensate flap. The indications and advantages of this reconstructive method are discussed.     

游离胸背动脉穿支皮瓣桥式移植修复小腿软组织缺损

目的总结游离胸背动脉穿支皮瓣或肌瓣桥式移植修复小腿软组织缺损的临床应用效果。方法自2006年9月至2009年1月,应用游离胸背动脉穿支皮瓣或肌瓣桥式移植修复小腿软组织缺损11例,缺损范围4cm×8cm至8cm×22cm。皮瓣切取连带肩胛下与旋肩胛血管,血管蒂呈T形,与健侧小腿胫后动脉行端端吻合,血管蒂用中厚网状游离植皮覆盖。结果除1例术后皮瓣远端发生小的表浅感染,经换药后愈合外,本组皮瓣全部成活。术后随访9个月至3.6年(平均2.9年),没有发现明显的供区功能障碍,供区与受区外形较好,健侧小腿经临床观察与Doppler检查,胫后动脉通畅。结论本方法适用于修复四肢软组织缺损后,患者仅存1条主要动脉者;行桥式游离胸背动脉穿支皮瓣或肌瓣移植不损伤健侧小腿胫后动脉,降低了对供区的损伤。     

携带淋巴结的组织瓣移植治疗下肢淋巴水肿

目的 探讨携带淋巴结的组织瓣移植治疗下肢淋巴水肿的疗效。方法 2019年6月至2021年6月,采用携带淋巴结的组织瓣移植治疗Ⅱ～Ⅲ期下肢淋巴水肿5例,皮瓣大小（10～30） cm×（4～9） cm,受区选择患肢小腿区,受区血管为胫前动脉及伴行静脉,术后定期随访。结果 1例皮瓣术后部分坏死,予以换药对症治疗后,创面瘢痕愈合,其余4例移植皮瓣顺利成活。术后随访0.5～2年,患肢周径于术后1个月及6个月平均减少0.84 cm及2.29 cm,术后未出现淋巴管炎,供区未出现淋巴漏及淋巴水肿。结论 应用淋巴结皮瓣移植治疗肢体淋巴水肿近期疗效较好,供区无并发症,是早中期下肢淋巴水肿可选择的治疗方法之一。     

薄层血管化腹股沟淋巴结皮瓣移植联合反向淋巴显影在继发性上肢淋巴水肿手术中的应用

目的 探讨薄层血管化腹股沟淋巴结皮瓣移植联合反向淋巴显影在继发性上肢淋巴水肿手术中的应用效果。方法 2019年7月至2020年9月,应用吲哚菁绿、美蓝双染法引导的反向淋巴显影术,制备薄层游离血管化腹股沟淋巴结皮瓣,切取后移植于患侧上肢,治疗乳腺癌术后继发性淋巴水肿患者5例。皮瓣约10 cm×5 cm大小,平均厚度约0.7 cm,切取供区淋巴结约2～3枚,术后随访7～15个月。结果 5例皮瓣存活良好,淋巴结均存活。术后随访显示,患肢臂围均于1.5个月后出现明显缩小,供区无并发症。结论 联合反向淋巴显影技术完成的薄层血管化淋巴结游离皮瓣移植治疗继发性上肢淋巴水肿疗效优良,明显改善患肢臃肿外形。     

Chimeric gastrocnemius muscle and sural artery perforator local flap

Under special circumstances, a chimeric form of combined flap can be advantageous. The formation of such a combination should be possible with any muscle perforator flap and its underlying muscle as a branch-based form of chimeric flap. In 2 patients with knee infections, this concept facilitated the use of local flaps only to simultaneously allow deep obliteration within the knee joint with the muscle portion while providing tension-free skin closure. Specifically, a chimeric gastrocnemius muscle and sural artery perforator flap, the latter based on either the medial or lateral sural source vessels, provided this reasonable solution. This is yet another new example of branch-based chimeric flaps, where the cutaneous component is a muscle perforator flap.     

Reconstruction of an Extended Defect in the Axilla Using a Thoracodorsal Fasciocutaneous Perforator Flap

BACKGROUND: Ectopic primary carcinoma of breast tissue is a rare entity, and its diagnosis often is delayed. The axilla is the most common site involved. The Limberg flap as a random flap is easy and practicable for coverage of many defects including those involving the axilla. In the reported case, the vascularity of the flap was improved by including a thoracodorsal artery perforator. METHODS: This report presents the clinical features of a case of ectopic breast carcinoma in the axilla and an alternative tension-free Limberg thoracodorsal artery perforator flap for reconstruction of the extended defect after excision of the tumor. RESULTS: The flap survived and healed without further problems. A good functional and aesthetic result was obtained. CONCLUSION: Ectopic primary carcinoma of breast tissue is a rare entity. Correct early diagnosis should be made. A tension-free fasciocutaneous flap according to Limberg, supercharged using a thoracodorsal artery perforator, can provide skin and soft tissue coverage for extended defects in the axilla with a satisfactory outcome. The operative procedure is easy and reliable. This is a further surgical option for soft tissue extended reconstruction in the armpit.     

Perforator Propeller Flap “Relay” for Distal Lower Extremity Soft Tissue Reconstruction

The peroneal artery perforator propeller flap is commonly used for distal lower extremity reconstruction; however, closure of the donor site defect can limit the utility of this flap. To overcome this limitation, we introduced a perforator propeller flap relay technique to reconstruct the donor-site defect. Between July 2015 and February 2019, the propeller flap relay technique was applied in 9 patients. In each case, a peroneal artery perforator propeller flap was transferred to repair a defect in the distal lower leg or the foot. In addition, a neighboring perforator propeller flap was transferred to close the donor-site defect. The peroneal artery perforator propeller flaps ranged from 14 × 4 to 29 × 8 cm² in size. Donor-site closure was accomplished using the relaying propeller flaps based on perforators from the peroneal, medial sural, and lateral sural arteries. Normal contour of the lower leg was preserved with acceptable scars. Additional time for the second flap procedure was less than 1 hour in each case. One peroneal artery perforator flap presented with partial flap necrosis. Other flaps survived completely without complication. Coverage of the donor-site defects of the peroneal artery perforator flaps can be achieved using various perforator propeller flaps. The perforator propeller flap relay technique allows surgeons to harvest a large peroneal artery perforator flap without being limited by significant donor-site morbidity. This technique can reconstruct defects at distal lower extremity with low morbidity and improved overall reconstructive results.     

Superficial inferior epigastric artery‐supercharged deep inferior epigastric artery perforator flap‐based breast reconstruction for a thin patient: A case report

Although a bipedicled deep inferior epigastric artery perforator (DIEP) flap is widely accepted for slim patients with large breasts, we suggest DIEP flap‐based breast reconstruction in which the superficial inferior epigastric artery (SIEA) is supercharged to the branch of thoracodorsal vessel as an alternative, which has not previously been well described. We report the case of a 48‐year‐old breast cancer patient who had a normal body mass index of 23.01 and relatively thin abdominal tissue, with large and ptotic (grade II ptosis) breasts. The mastectomy specimen weighed ~890 g, and the harvested abdominal tissue weighed ~700 g with a size of 32 × 12 cm². The elliptical‐shaped flap was inset with a 90° counterclockwise rotation, and the lower one‐third of the flap was folded to create a projection. Perfusion of flap was augmented by microvascular anastomosis between the contralateral SIEA and the serratus branch of a thoracodorsal vessel. With a supercharged DIEP flap, nearly the whole lower abdominal tissue (696 g, 99.4% of the elevated flap) could be transferred to obtain a symmetric contour, and there were no complications such as vascular obstruction, flap necrosis, and delayed wound healing during the postoperative course. Using the SIEA pedicle for contralateral abdominal perfusion with elongated branch of the thoracodorsal vessel, aesthetic inset and contouring of the reconstructed breast could be technically enhanced. The DIEP flap with the contralateral SIEA supercharged to the serratus branch of thoracodorsal vessel may be a feasible option for large ptotic breast reconstruction in thin patients.     

The thoracodorsal artery perforator flap with a vascularized scapular segment for reconstruction of a composite lower extremity defect

High-energy trauma resulting in a composite defect of the lower extremity confronts the microvascular surgeon with more difficulties than do free flap reconstruction elsewhere in the body, since the choice of distant recipient vessels is particularly difficult. Combining principles of perforator flap surgery with those of composite tissue transfer, we designed a thoracodorsal artery perforator flap with a vascularized bone segment from the scapula for reconstruction of a composite lower extremity defect in a patient following a paragliding accident. This is the first report on the application of a composite thoracodorsal artery perforator flap with vascularized scapula in lower extremity reconstruction. Among its multiple advantages, such as preservation of latissimus dorsi function, it is a good tool for one-stage reconstruction of traumatic composite lower extremity defects because its low donor site morbidity and long vascular pedicle enables anastomosis placement outside the zone of injury.     

Lengthening the pedicle of a scapular osseous free flap by angular branch reconnection within the subscapular artery system

This report describes a case of a patient who underwent secondary reconstruction of the maxilla using a combined scapular osseous and thoracodorsal artery perforator (TAP) flap, in which the pedicle of the scapular osseous flap was lengthened by reconnecting the angular branch of the thoracodorsal artery to the serratus branch. The patient was a 62‐year‐old man who had undergone left total maxillectomy for maxillary carcinoma and came for reconstruction of left deformity. A reconstructive procedure involving a vascularized scapular osseous and TAP flap transfer was planned. However, the patient's ipsilateral superficial temporary artery and facial artery was found stenosed due to previous radiotherapy and chemotherapy and were not suitable for use as recipient vessels. Thus, a long flap pedicle was needed for anastomoses to the contralateral recipient vessels. We lengthened the pedicle of the scapular osseous flap by reconnecting the angular branch of the thoracodorsal artery to the serratus branch within the chimeric free flap and then anastomosed it to the contralateral facial vessels. The postoperative course was uneventful, and the left cheek deformity was well corrected. Using the technique of reconnection of branches within the blood supply system, a chimeric flap with a long pedicle may be elevated safely whilst avoiding the need for vein grafts. © 2014 Wiley Periodicals, Inc. Microsurgery 34:662–665, 2014.     

Cross-leg free anterolateral thigh perforator flap: a case report

The purpose of this report is to introduce the cross-leg anterolateral thigh perforator flap for closure of a defect on the dorsum of the foot, and to show that the anterolateral thigh perforator flap is a safe option for a cross-bridge microvascular anastomosis in defects of the extremity. The free anterolateral thigh perforator flap was used for a patient with an unhealed wound on the dorsum of the foot. The flap was revascularized by end-to-side anastomosis between the flap's artery and the posterior tibial artery of the other leg, since there was no available recipient artery on the same leg. After a 4-week neovascularization period, the pedicle was cut. To the best of our knowledge, this is the first report of the use of a free anterolateral thigh perforator flap for a cross-bridge microvascular anastomosis.     

Current operative management and therapeutic algorithm of lymphedema in the lower extremities

Lymphedema is defined as the abnormal accumulation of interstitial fluid in subcutaneous tissues resulting from cancer, cancer treatment (surgery and/or radiotherapy), infection, inflammatory disorders, obesity, and hereditary syndromes. Surgical management of lymphedema can be broadly classified into two categories, reductive surgical techniques such as direct excision, suction assisted protein lipectomy (SAPL) or radical reduction with perforator preservation (RRPP); and physiological surgical procedures such as lymphaticovenous anastomosis (LVA) and vascularised lymph node transfer (VLNT). These techniques and their various combinations were evaluated. The results revealed patients with reversible lymphedema (ISL stage I, mild severity) benefit most from physiological procedures (LVA or VLNT) which can reduce the chance of disease progression to the chronic, solid phase. Reductive techniques such as SAPL, RPPP, or direct excision procedures should be reserved for patients with advanced – severe lymphedema (ISL stages II and especially stage III) as the surgical treatment of choice. In this study, current literature on the surgical treatment of lower extremity lymphedema is reviewed and discussed in conjunction with authors’ clinical experiences. An algorithm is presented, based on clinical evidence and experience which aims to provide a structured approach to managing lower limb lymphedema.     

Thoracodorsal artery perforator (TAP) flap reconstruction of a soft-tissue defect of the knee following below-knee amputation

Soft-tissue coverage of lower extremity defects with thin, sensate, mobile, and durable soft tissue is challenging. Reconstructive options are further limited in the setting of a below-knee amputation. The authors present the first report of an innervated thoracodorsal artery perforator (TAP) flap for coverage of an anterior knee soft-tissue defect in a patient with bilateral below-knee amputations following disseminated meningococcemia. The soft-tissue defect measured 11 x 17 cm2 centered over the patella, and the TAP flap provided adequate pedicle length, with optimal soft-tissue thickness and pliability with the potential for innervation and minimal donor-site morbidity. Six months postoperatively, the patient is ambulating well with prostheses fitted over her well-healed, stable, knee coverage.     

The reversal sural artery neurocutaneous island flap in composite lower extremity wound reconstruction.

Reconstruction of the lower third of the leg and the forefoot remains a challenge due to a lack of regional muscle units and minimal subcutaneous tissues. Reverse island flaps have been applied to similar reconstructive problems in the upper extremity. Recently, the reverse sural artery neurocutaneous island flap has been utilized to reconstruct complex wounds of the lower extremity and forefoot in young and middle-aged individuals. We present our use of the flap in a patient cohort 65 years of age or older. Unique among this group was the high prevalence of diabetes and peripheral vascular disease. Nonetheless, the reverse sural artery neurocutaneous island flap proved a safe and reliable means of achieving wound closure.     

Reconstruction of soft tissue defects in the extremities with a pedicled perforator flap: series of 25 patients

Since the introduction of perforator-based flaps, new flaps have been described for reconstruction of soft tissue defects in the extremities. Pedicled perforator flaps, often called propeller flaps, are based on a single perforator and are local axial flaps that can be rotated up to 180(0) with the single perforator as the pivotal point. Pedicle perforator flaps have gained popularity because they have a shorter operating time than free flaps. However, some concern has been raised about their reliability. Here we report our results of 11 soft tissue reconstructions in the lower leg and 14 in the upper extremity. The defects were mostly traumatic or caused by release of burn scars. The mean size of the flaps in the lower leg was 52 cm(2) (range 126-15 cm(2)). In the upper extremity it was 24 cm(2) (range 12-35 cm(2)). All patients were followed until the wound had healed. In the upper extremity there was only one partial necrosis of the flap, and one patient had an infected wound. One haematoma was evacuated postoperatively, and all the rest healed uneventfully. In the lower leg we had one total necrosis and one partial necrosis of the flap and one infected wound. A free scapular flap was used for salvage in one case, and revision and skin grafting in two. The pedicled perforator flap is reliable, particularly in the upper extremity. The operation is quick and can be done under regional anaesthesia. The flap is thin and has a local texture that gives a good functional and aesthetic result. The pedicled perforator flap is a little unpredictable in the lower leg, probably because the directions of the vessels that arise from the perforator are not consistent.     

Combined transfer by several perforator skin flaps to cover an extensive and multiplanar wound on the foot and ankle

BackgroundThis study aimed to assess the feasibility and effectiveness of using combined transfer by two or three large skin flaps to cover a single extensive and multiplanar wound on the foot and ankle to achieve full coverage of the wound and primary donor-site closure.Patients and methodsSeventeen patients with extensive wounds around their foot and ankle were treated. The flap could either be anterolateral femoral perforator (ALTP) flap, deep inferior epigastric artery perforator (DIEP) flap, or thoracodorsal artery perforator (TDAP) flap. According to the dimensions and shape of the wound and the availability of donor sites, we classified the reconstruction into three different types. Based on the type, the soft-tissue defect was divided into two or three parts to guide the corresponding perforator skin flaps to be harvested within the maximum width and length of the donor sites.ResultsAll 17 patients were successfully reconstructed, with a total of 35 flaps in 37 paddles. Vascular compromise occurred in one patient and was saved by venous thrombectomy. In total, four flaps experienced a partial loss and were treated either conservatively or by a skin graft. No ulceration due to abrasion occurred on any flap during the entire follow-up. All donor sites were directly closed and healed uneventfully, except for one needing coverage by a skin graft and another experiencing dehiscence and scar widening.ConclusionCombined transfer by several skin perforator flaps is a flexible reconstructive option for resurfacing extensive and multiplanar wounds on the foot and ankle. The benefit lies in a well-reconstructed contour, an anti-frictional property, a permission of a normal shoe wearing in the reconstructed foot, and meanwhile a primary closure on donor site.     

Propeller TAP flap: Is it usable for breast reconstruction?

Abstract

The aim of this study was to examine if a propeller thoracodorsal artery perforator (TAP) flap can be used for breast reconstruction. Fifteen women were reconstructed using a propeller TAP flap, an implant, and an ADM. Preoperative colour Doppler ultrasonography was used for patient selection to identify the dominant perforator in all cases. A total of 16 TAP flaps were performed; 12 flaps were based on one perforator and four were based on two. A permanent silicone implant was used in 14 cases and an expander implant in two. Minor complications were registered in three patients. Two cases had major complications needing additional surgery. One flap was lost due to a vascular problem. Breast reconstruction can be performed by a propeller TAP flap without cutting the descending branch of the thoracodorsal vessels. However, the authors would recommend that a small cuff of muscle is left around the perforator to ensure a sufficient venous return.