旋髂深动脉穿支嵌合髂骨皮瓣修复下颌骨复合性缺损

目的 探讨旋髂深动脉穿支嵌合髂骨皮瓣（DCIAPF）在下颌骨复合性缺损重建中的应用价值与优缺点。方法 2014年3-7月应用DCIAPF游离移植一期修复6例下颌骨及软组织复合缺损患者。根据术前定位的旋髂深动脉皮肤穿支设计并逆行切取皮岛,随后于腹股沟区顺行解剖血管蒂并切取髂骨瓣,继续解剖旋髂深血管直至终末段与皮岛相续。完成DCIAPF切取后供区分层严密关闭以预防腹疝。结果 6例患者所制备的髂骨瓣长5.0~11.0 cm,皮岛3.5 cm×5.0 cm~7.0 cm×10.0 cm,供区均一期关闭未行植皮。1例皮岛穿支来自旋髂浅血管需另行吻合,其余5例成功制备为DCIAPF。移植的髂骨皮瓣均成活,仅1例因行皮岛修薄处理出现表皮剥脱和少量边缘坏死,经修剪及换药处理后愈合。术后随访3~6个月,牙槽嵴高度恢复满意,供区均未出现明显并发症。结论 DCIAPF血运丰富可靠,能提供足够的骨量供下颌骨重建并恢复牙槽嵴高度,为后期义齿修复创造有利条件;其皮肤穿支解剖较为恒定,携带皮岛组织量大,摆放灵活,供区隐蔽,是下颌骨复合性缺损修复重建的有效方法。     

Venous superdrainage using superficial circumflex iliac vein in deep circumflex iliac artery perforator flap with iliac crest for oromandibular reconstruction

The deep circumflex iliac artery perforator flap with iliac crest (DCIAPF) is considered a favourable single-flap option for oromandibular reconstruction. The aim of this study was to evaluate the effectiveness of venous superdrainage using the superficial circumflex iliac vein (SCIV) in the DCIAPF for oromandibular reconstruction. The data of 22 patients (12 female, 10 male) aged 10–76 years (median 53 years) who underwent simultaneous oromandibular reconstruction with a DCIAPF were reviewed retrospectively. Eleven patients received the DCIAPF with SCIV for superdrainage (group A) and another 11 patients received the conventional single-pedicled DCIAPF flap (group B). No flap loss occurred in either group. Venous congestion due to relative venous insufficiency was significantly more frequent in group B (P = 0.045). There was no significant difference in the incidence of partial flap necrosis and wound dehiscence, or in the total operation time between the two groups. Superdrainage using the SCIV has the potential to reduce the incidence of venous congestion due to relative venous insufficiency in DCIAPF used for oromandibular reconstruction.     

The deep circumflex iliac artery perforator flap (DCIAP)—A reconstructive option for the large composite oro-mandibular cutaneous defect

The deep circumflex iliac artery (DCIA) flap is often used for mandibular reconstruction but it is bulky and causes additional donor-site morbidity because of the inclusion of an “obligatory internal oblique muscle”. Large composite segmental mandibular resections that consist of floor of mouth, subtotal tongue, and adjacent facial skin are a challenge in terms of reconstruction. They often require 2 free flaps or a free scapular flap and both have disadvantages. The deep circumflex iliac artery perforator (DCIAP) flap with a cutaneous component overcomes the disadvantages. We describe reconstructions with DCIAP flaps in 3 patients with large mandibular composite segmental defects. We report our experience of the flap and discuss some of the difficulties we encountered and the points we learned perioperatively.     

Free thoracodorsal,perforator-scapular flap based on the angular artery (TDAP-Scap-aa): Clinical experiences and description of a novel technique for single flap reconstruction of extensive oromandibular defects

PurposeThe reconstruction of oromandibular defects can be challenging, particularly when considerable amounts of bone and soft tissues are lost. In such cases, the use of a single flap may be unsatisfactory and a concomitant free flap is needed. Here we present a chimeric, thoracodorsal perforator-scapular free flap based on the angular artery of the subscapular system (TDAP-Scap-aa) as an alternative technique for single flap reconstruction of extensive oromandibular defects.Materials and methodsThe authors studied patients who underwent reconstructions of extensive oromandibular defects with a TDAP-Scap-aa free flap. The operative technique and the clinical experiences are described. Postoperatively, surgical complications were classified with the Clavien-Dindo Classification.ResultsFive male patients (59.4 ± 8.8 years) were treated with the TDAP-Scap-aa. Average sizes for harvested hard and soft tissue components, which are both included in the flap and completely independently from each other, were 10.4 ± 1.5 cm of bone length, 2.6 ± 0.3 cm of bone height, 11.6 ± 4.8 cm of skin paddle length and 8.4 ± 1.7 cm of skin paddle width. The overall mean operation time (cut-suture) was 14.6 ± 0.9 h. The postoperative follow-up was 6 months. No complications requiring surgical treatment as well as donor site nerve damages were observed.ConclusionsIn comparison to other double free flaps, the TDAP-Scap-aa offers several advantages such as higher amounts of hard and soft tissues without prolonged operation times, and provides satisfying aesthetic outcomes and little donor site morbidity due to the preservation of muscle and nerve structures. Therefore, the TDAP-Scap-aa constitutes a clinically reliable alternative in extensive oromandibular defect reconstruction.     

髂骨复合瓣与前臂皮瓣串联重建大型下颌骨复合缺损

由于恶性肿瘤的根治性切除致下颌骨大型复合缺损３例，采用髂骨复合瓣与前臂皮瓣串联重建，其中１例切取双侧髂骨复合瓣。３例病人７块皮瓣全部成活，随访３～１２月，供受区外形及功能结果较满意，经Ｘ摄片随访观察显示移植骨愈合改建过程迅速，骨吸收量少。结果表明，前臂皮瓣可弥补髂骨复合瓣携带皮岛的不足，两者串联应用是重建下颌骨大型复合缺损的一种理想方法。     

A new regenerative approach to oromandibular reconstruction after the resection of head and neck malignant tumor

We developed a new regenerative oromandibular reconstruction technique. In our technique, bone marrow was removed from surgically resected mandible, and then the mandible was heat-treated and prepared into a cortical bone tray. This tray was fixed on the defect area, iliac cancellous bone was grafted into its lumen, the entire circumference was covered with the muscle part of pectoral major myocutaneous flap, and the oral defect and the skin defect on the lower jaw were reconstructed with the skin paddles of the skin island of the flap. Two patients were treated with this technique after the removal of oral cavity cancer. The patients did not develop postoperative complications, the reconstructed mandible as well as the flap were completely taken, and normal shape of the mandible was regained. This technique would be one of the useful oromandibular reconstruction methods.     

应用髂嵴游离复合瓣修复口腔下颌骨缺损

目的：本文结合应用髂嵴游离复合瓣修复口腔下颌骨缺损的体会,对髂嵴游离瓣的解剖、制作、适应性及优缺点等问题进行了论述。方法：我科所用髂嵴游离瓣均以旋髂深血管为蒂进行移植,携带皮岛者,尚吻合旋髂浅静脉。制作时,采用顺行解剖法,由血管蒂的近心端向远心端解剖,截取大小合适的髂嵴块。结果：１９７９年１０月～１９９７年８月,共进行髂嵴游离瓣移植手术１１０例,成功１０６例,４例失败,成功率９６．３％。结论：髂嵴游离瓣适用于口腔肿瘤术后,口腔－下颌骨的一期重建。但由于皮岛的血供难以预测,因而即使吻合旋髂浅静脉,皮岛的成活率仍有限。髂嵴游离瓣近年来有被腓骨游离瓣取代之势。     

A comparison of vascularized fibular flap and iliac crest flap for mandibular reconstruction

Segmental mandibular defects, which are caused either by ablative surgery or trauma, are usually accompanied by different degrees of skin, soft tissue or mucosa losses. The reconstruction of such defects requires complicated surgical procedures.An ideal mandibular reconstruction method must support the insertion osseointegrated dental implants which is necessary for total oral rehabilitation. The soft tissue defect should also be reconstructed if it accompanies the bony defect. We performed 37 mandibular reconstructions using either vascularized iliac crest flap or fibula flap. Sixteen of 24 patients who underwent mandibular reconstruction using iliac crest flap, and 3 of 13 patients who has been reconstructed with fibula flaps, had mandibular defects involving skin and/or mucosa. Both techniques were compared regarding patients records such as hospital stay, operation time, defect size, etiopathogenesis, skin paddle, blood transfusion, and complication rates. Self-assessment questionnaires were also used to evaluate aesthetic and functional results.When 2 different mandibular reconstruction techniques are compared regarding patient records, the complication rate of fibula flap was less than the iliac crest flap. Functional and aesthetic results also showed that oral continence, social activities, and facial appearance rates of fibula flap were superior to iliac crest flap. Lower complication rates of fibula flap group may be associated with patients' higher satisfaction rate.Both flaps are commonly used in mandibular reconstruction, however, many parameters including defect localization, defect size, presence of soft tissue defect should be considered.     

Rehabilitation by means of osseointegrated implants in oral cancer patients with about four to six years follow-up

This paper describes the reconstruction of mandibular defects in four oral cancer patients using iliac crest bone grafts and osseointegrated implants. In three patients, reconstructive surgery using a reconstruction plate and free forearm skin flap was performed following tumour and segmental mandibular resection. After 7-9 months, mandibular reconstruction with a free iliac bone graft was carried out. In one patient, reconstructive surgery was performed with vascularized iliac bone grafting with an anterolateral thigh flap at the same time as the tumour resection. Fixtures were placed in the transplanted bone, and abutments were connected 6-9 months later together with vestibuloplasty. Gingival grafts were used to replace the skin flap around abutments. All implants survived throughout the approximately 4-6 years observation time. Marginal bone loss of the graft was originally several millimetres but less than 1.5 mm. Bone loss as well as management of peri-implant soft tissue was also discussed.     

游离腓骨肌-皮-筋膜复合瓣同期修复40例放射性下颌骨坏死术后缺损效果评价

目的： 探讨游离腓骨肌-皮-筋膜复合瓣在修复下颌骨放射性骨坏死（osteoradionecrosis of the jaws,ORNJ）术后软、硬组织缺损的应用价值。方法： 选择2014年3月—2017年7月间,中山大学孙逸仙纪念医院口腔颌面外科40例下颌骨 ORNJ患者,所有病例原发肿瘤均为鼻咽癌,排除鼻咽癌复发。以游离腓骨肌-皮-筋膜复合瓣重建放射性下颌骨坏死手术切除后的骨缺损,以皮岛修复皮肤软组织缺损,以筋膜修复口内黏膜缺损并充填软组织缺损的空腔,记录腓骨截骨、组织瓣存活情况,供区、受区并发症,术后开口度和余留牙咬合情况,对颌面部外形和功能进行评价。结果： 随访3～6个月,游离腓骨肌-皮-筋膜复合瓣重建下颌骨缺损均获成功。下颌骨截骨长度5.5～16.0 cm,切取腓骨长度7.5～17.0 cm。无1例发生严重供区或受区并发症,所有病例外形恢复良好,开口度1.0～3.5 cm,余留牙咬合正常。结论： 游离腓骨肌-皮-筋膜复合瓣能很好地即刻重建放射性下颌骨坏死术后颌面部软、硬组织缺损,降低手术并发症,值得临床推广应用。     

A combined superficial inferior epigastric artery flap and vascularized iliac crest flap in the reconstruction of extended composite defects of the posterior mandible and adjacent soft tissue: first clinical results

The technique of posterior facial reconstruction using a combination of a superficial inferior epigastric artery (SIEA) flap and a microvascular iliac crest flap (deep circumflex iliac artery (DCIA) flap) is described. 12 cases are reported. The patients had unilateral squamous cell carcinoma of the posterior mandible affecting parts of the soft palate and tonsil region or the posterior cheek. In all patients unilateral neck dissection, resection of the posterior and lateral mandible, was performed. Reconstruction was carried out during primary surgical therapy, followed by postoperative radiotherapy. A flap combination of a SIEA and a DCIA flap was used. There were no problems with pedicle length or anastomoses. There was no flap loss or severe postoperative complications. All patients had good aesthetic and functional results. One patient had distant metastases 2 years postoperatively. All other patients were free of tumour relapse or metastases within 12-58 months of follow up. The SIEA flap and vascularized iliac bone flap combination is useful in reconstructing the posterior face. The iliac bone flap is well suited for posterior mandible reconstruction and the SIEA flap for reconstruction of the soft palate, lateral pharyngeal wall and cheek. Both flaps are harvested from the same donor site.     

Use of free flaps with supermicrosurgery for oncological reconstruction of the maxillofacial region

Supermicrosurgery involves the dissection and anastomosis of vessels<0.8 mm in diameter with minimal donor site morbidity. This study evaluated the feasibility and outcomes of free flaps using supermicrosurgery to repair oncological defects in the maxillofacial region. Forty-two patients were treated with supermicrosurgery to repair oncological defects in the maxillofacial region between December 2015 and February 2021. The supermicrosurgery technique was used for different types of free flap, including 24 superficial circumflex iliac artery perforator flaps, seven anterolateral thigh flaps, three peroneal artery perforator flaps, five medial femoral condyle osteo-adipofascial flaps, and three profunda artery perforator flaps. An artery-to-artery approach was used in 38 patients; venous grafts for anastomosis were used in four patients to resolve an arterial discrepancy. Forty-one flaps (97.6%) survived. Thirty-six patients (85.7%) healed without any complications; three flaps required revision surgery including one lost, one demonstrated wound dehiscence, and two demonstrated wound infection. Supermicrosurgery is a useful complement to conventional microsurgery in head and neck reconstruction.     

游离腓肠内侧动脉穿支皮瓣修复头颈部缺损的初步研究

目的 探讨游离腓肠内侧动脉穿支皮瓣在头颈部缺损修复中的应用.方法 2010年4月至2011年1月16例患者头颈部肿瘤切除后拟用游离腓肠内侧动脉穿支皮瓣修复组织缺损,术前采用超声多普勒血流仪或彩色多普勒超声检测穿支血管,设计皮瓣,术中记录皮瓣大小、穿支血管的数目和血管蒂长度,术后观察游离瓣成活情况,随访记录供区愈合情况及评价术后并发症.结果 最终完成游离腓肠内侧动脉穿支皮瓣修复16例,15例皮瓣术后成活,1例术后因静脉危象手术探查后皮瓣部分存活.供区15例直接缝合,1例植皮.15例供区Ⅰ期愈合,1例因术后供区肌肉坏死行清创手术后愈合.14例术后随访3～ 12个月,所有患者供区除因瘢痕致远端皮肤触觉异常外,远期无明显功能障碍.结论 游离腓肠内侧动脉穿支皮瓣供区并发症轻微,适用头颈部中小型缺损修复.     

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??The ulnar forearm perforator flap has been used for reconstruction of various oral and maxillofacial-head and neck defects for about 30 years. Besides having the advantages of radial forearm perforator flap??the ulnar forearm perforator flap has some other advantages??including the possibility of direct closure of the donor defect??reduced morbidity??excellent donor site cosmesis??less hairy skin of the transplant and flexible design of the skin island??and independent skin islands may be created as required. These characteristics make it appropriate for patients to accept. Clinically??different sizes of flaps can be selected according to the size of the defected site. Because of the high survival rate and low donor-site morbidity??and its advantages in beauty and function??the ulnar forearm perforator flap plays a very important role in the repair of oral and maxillofacial-head and neck defects.     

Versatility of frontal island flaps in the reconstruction of periorbital soft tissue defects

The reconstruction of large soft tissue defects in the orbital and maxillomalar region is a challenging task that necessitates the consideration of both functional and aesthetic outcomes. We used the frontal island skin flap in patients with full-thickness soft tissue defects of the periorbital and malar region. In the reconstruction of full-thickness defects of this particular region, the alternatives to this flap are other regional flaps or distant free flaps. Not every pedicled regional flap can be transferred to every defect and most of the time the application of distant free flaps increases the morbidity of the procedure. The surgeon must be capable of being able to select the most useful and comprehensive flap within a range of many alternatives. We present our experience in 10 patients with complex soft tissue defects in the maxillomalar and periorbital regions whose defects were reconstructed with frontal artery island skin flaps.     

Versatile use of submental tissue for reconstruction of perioral soft tissue defects

To obtain optimum aesthetic result, perioral soft tissue defects require reconstruction using similar tissue. The submental area has very similar characteristics to perioral soft tissue and consists of thin, pliable tissue with a perfect color match. Therefore, we have used submental tissues for reconstruction of perioral soft tissue defects and application of the techniques, and results are discussed in this article. Between February 2001 and April 2008, 14 perioral soft tissue reconstruction procedures using the submental tissues were performed. The defect was on the upper lip including nasal columella in 5 cases, mentum in 3 cases, and oral commissure including buccal cheek in 6 cases. The techniques that were used included composite graft in 3 cases, local advancement flap in 3 cases, pedicled flap in 5 cases, and free flap in 3 cases. Patients were followed up for 9 months to 5 years. During this period, no major complications were noted, and satisfactory aesthetic results were obtained. All transferred submental tissues survived. In all patients, donor defects were closed primarily except in cases of local advancement flap. The donor-site scar was inconspicuous and well hidden below the mandibular margin and did not restrict neck motion in all patients. In particular, hair restoration on the flap was excellent in male patients. We believe that the submental area can provide useful soft tissue for perioral soft tissue defects because it provides a good color and texture match with perioral skin and can be harvested with minimal donor-site morbidity.     

Use of the lateral circumflex femoral artery perforator flap in the reconstruction of gunshot wounds to the face.

PURPOSE: The reconstruction of large avulsive tissue loss in the head and neck region is one of the most difficult tasks faced by reconstructive surgeons. The advent of free tissue transfer has improved our ability to predictably reconstruct these patients. One of the most recent advances in the field of microvascular surgery is the use of perforator flaps. We have used the lateral circumflex femoral artery perforator (LCFAP) flap for reconstructions in patients who have suffered severe gunshot wounds (GSWs) to the maxillofacial area. METHOD: A retrospective chart review was conducted of patients treated with a LCFAP flap in our division for large defects of the face resulting from GSWs between July 2005 and July 2006. The patient's age and gender, site and size of defect, and degree of bone and soft tissue loss were recorded. Flap survival and donor site morbidity were noted as outcomes of the reconstruction. RESULTS: Four patients who met the inclusion criteria were identified. The success rate for the flaps was 100%. There was no partial necrosis of the flaps. The size of the defect ranged from 20 x 10 cm to 10 x 10 cm. None of the patients had donor site complications, and all donor sites were closed primarily. CONCLUSIONS: Use of the LCFAP flap for the reconstruction of large defects secondary to GSWs to the face is a reliable option for the immediate reconstruction of this patient population. The lateral circumflex femoral artery perforator (LCFAP) flap is at a site not involved in the immediate resuscitation of trauma patients, thus ensuring an intact vascular system. This fact makes the LCFAP flap a reliable source for small to large soft tissues for reconstructing avulsive soft tissue losses in the head and neck.     

Assessment of surgical outcomes and oncological safety for submental artery perforator flap reconstruction after ablation of oral cancer

The submental artery perforator flap (SAPF) has been a new option for the intraoral reconstruction of oral squamous cell carcinoma (OSCC) patients in recent years, but its surgical outcomes have not been well assessed. We compared the surgical outcomes and oncological safety of SAPF reconstruction for medium-sized soft-tissue defects after the ablation of primary oral cancer with traditional submental island flaps (SIF) and anterolateral thigh perforator flaps (ALTPF). Fifty-one SAPFs, 30 SIF, and 74 ALTPF were reviewed for the intraoral medium-sized reconstructions after the ablation of oral cancer from our institutional clinical oncological databases. We performed comparative assessments on the variables of surgical outcome and oncological safety among the 3 cohorts. A Kaplan-Meier estimate of survival for each flap was calculated. Operating time was significantly reduced in the SIF and SAPF groups than ALTPF (p = 0.021 and 0.014, respectively). Flap thickness of SAPF was the significantly thinnest (mean 0.5 cm) among three groups. The common complications of donor site for both SAPF and SIF group were incision dehiscence and orocutaneous fistula. There was no significant difference in disease-free survival (DFS) among the 3 groups. However, several OSCC patients with the SIF reconstruction were found to have recurrences with a metastatic lymph node under the flap after the first operation. SAPF could be a versatile choice of the intraoral reconstruction for the medium-sized soft-tissue defects after the ablation of oral cancer.     

Indications for reconstruction of mucosal defects in oropharyngeal cancer using a supraclavicular island flap

The use of the supraclavicular island flap (SCIF) for the reconstruction of facial and neck skin defects is increasing. The value of this fasciocutaneous flap as a reconstructive modality for oropharyngeal defects in cancer patients is unclear. In the present study, a SCIF was used for reconstruction of mucosal defects following resection of the tumour in a group of four patients with T2 squamous cell carcinoma of the oropharynx and a clinical N0 neck. Reconstruction was performed following transoral tumour resection and selective neck dissection at levels I–III in the same session. Intraoperative and postoperative complications were analyzed, and functional and aesthetic results for the neck and shoulder region were evaluated in follow-up examinations. In addition, sensation to the flap was evaluated. No flap failures were observed. Only minor surgical complications were evident, which did not cause any relevant functional or aesthetic impairments. Sensation to the flap was observed in all cases. The SCIF appears to be a good and time-saving alternative to free flaps for oropharyngeal reconstruction following oncological resection in selected patients.