Axial split step osteotomy of free iliac crest flaps for mandible reconstruction: Preliminary results.

IF 2.3 3区 医学 Q1 OTORHINOLARYNGOLOGY
Shu Yi, Xiaoming Lyu, Wei Wang, Mingwei Huang, Shuming Liu, Jie Zhang
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引用次数: 0

Abstract

Background: Vascularized bone grafting (VBG) is preferred for mandibular reconstruction post-tumor ablation. Although various bone-free flaps are used, their application is compromised by limitations including insufficient bone volume and poor shape. Here, we report mandibular reconstruction using axial split-step osteotomy with an iliac crest-free flap.

Methods: Over December 2018-November 2020, 12 patients underwent mandibular reconstruction via axial split osteotomy using a free iliac-crest flap.

Results: The preoperative iliac-crest length was 5.7-9.5 mm (median, 7.5 cm); the mean post-axial split-osteotomy iliac-crest length increased to 9.59 mm (range, 6.34-15.15 mm). All patients presented with initial healing 2 weeks postoperation; good bone healing was achieved in all grafted flaps by the third month of follow-up.

Conclusions: We propose a new axial split-step osteotomy technique using free iliac-crest flaps for mandibular reconstruction. We demonstrated this novel technique's reliability for safe and effective bone lengthening and establishing a reliable occlusal relationship.

用于下颌骨重建的游离髂嵴瓣轴向劈开阶梯截骨术:初步结果
背景:血管化骨移植(VBG)是肿瘤消融术后下颌骨重建的首选方法。虽然目前已使用了多种无骨瓣,但由于骨量不足和形状不佳等限制,其应用受到了影响。在此,我们报告了使用髂嵴无骨皮瓣进行轴向劈开阶梯截骨的下颌骨重建方法:2018年12月至2020年11月期间,12名患者通过使用游离髂嵴皮瓣进行轴向劈开截骨术进行了下颌骨重建:术前髂骨长度为5.7-9.5毫米(中位数,7.5厘米);轴向劈开截骨术后髂骨长度平均增加到9.59毫米(范围,6.34-15.15毫米)。所有患者在术后 2 周均出现初步愈合;在随访的第三个月,所有移植皮瓣均实现了良好的骨愈合:结论:我们提出了一种使用游离髂骨嵴皮瓣进行下颌骨重建的轴向分步截骨新技术。我们证明了这种新技术在安全有效地延长骨长度和建立可靠的咬合关系方面的可靠性。
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来源期刊
CiteScore
7.00
自引率
6.90%
发文量
278
审稿时长
1.6 months
期刊介绍: Head & Neck is an international multidisciplinary publication of original contributions concerning the diagnosis and management of diseases of the head and neck. This area involves the overlapping interests and expertise of several surgical and medical specialties, including general surgery, neurosurgery, otolaryngology, plastic surgery, oral surgery, dermatology, ophthalmology, pathology, radiotherapy, medical oncology, and the corresponding basic sciences.
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