Reconstruction for the defects of hypopharynx and cervical esophagus:donor site selection and clinical evaluation
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摘要: 目的:探索下咽及颈段食管缺损的分类及不同类型缺损的修复方法选择原则和临床疗效。方法:2007-01-2012-06期间共行下咽及颈段食管缺损修复术39例。根据下咽及颈段食管缺损程度分为环周/近环周缺损组(A组,23例)和部分缺损组(B组,16例);根据颈部血管状况分为颈部血管状况不良组(22例)和颈部血管状况良好组(17例)。供区选择主要根据缺损程度和颈部血管状况决定。A组采用股前外侧皮瓣8例、胃上提6例、桡侧前臂皮瓣3例、空肠瓣和胸大肌肌皮瓣各3例;B组采用舌骨下肌肌皮瓣8例、桡侧前臂皮瓣 3例、胸大肌肌皮瓣5例。观察皮瓣的存活率、手术并发症、功能效果和肿瘤治疗的临床转归。结果:全组并发症发生率为12.8%(5/39)。A组空肠瓣、股前外侧皮瓣、胸大肌肌皮瓣坏死各1例,皮瓣坏死均发生在颈部血管状况不良组;B组发生咽瘘1例,无皮瓣坏死。全组2例未能经口进食,其余病例无进食障碍;保留喉功能16例均发音良好。全组2年、3年总生存率分别为72.1%和65.2%。结论:下咽及颈段食管缺损修复供区的选择应根据缺损程度、颈部血管状况和组织瓣的特性综合分析,个体化应用。个体化下咽及颈段食管修复可获得满意的临床疗效。Abstract: Objective: To explore the principles of donor site selection for defects of the hypopharynx and/or cervical-esophagus based on a novel defect classification system and treatment outcome of this series.Method: Thirty-nine patients underwent reconstruction of their defects of the hypopharynx and/or cervical-esophagus from January 2007 to June 2012 were retrospectively studied. 23 hypopharngeal and/or cervical-esophageal defects were circumferential or near circumferential(group A), 16 were partial(group B). 22 patients had compromised neck vascular status, while the other 17 patients had normal neck vascular status. Selection of the donor sites was based on extent of the defects and neck vascular status. Donor sites for reconstruction of the defects of group A included anterolateral thigh flap(n=8), gastric pull-up(n=6), radial forearm flap(n=3), jejunum flap(n=3), and pectoralis major myocutaneous flap(n=3). For goup B, Infrahyoid myocutaceous flaps, radial forearm flaps, and pectoralis major myocutaneous flaps were used in 8, 3, and 5 cases, respectively. Flap survival, surgical complications, function outcome, and tumor control were observed.Result: Overall complication rate was 12.8%(5/39) in this series. In group A, three flap necroses occurred in jejunum flap(n=1), anterolateral thigh flap(n=1), and pectoralis major flap(n=1). All these flap necroses occurred in the compromised neck vascular status group. One case of pharyngeal fistula without flap necrosis occurred in Group B. All except 2 patients restored oral intake postoperatively; 16 patients with laryngeal preservation had good phonation postoperatively. 2-year and 3-year survival of this series were 72.1% and 65.2%, respectively.Conclusion: Selection of an appropriate donor site for reconstruction of the defects of hypopharynx and /or cervical-esophagus should be based on the extent of the defects, neck vascular status, and clinical features of the flap. Individualized donor site selection for hypopharyngeal and cervical esophageal defects reconstruction can result in good clinical outcome.
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