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首页> 外文期刊>The Laryngoscope: A Medical Journal for Clinical and Research Contributions in Otolaryngology, Head and Neck Medicine and Surgery, Facial Plastic and Reconstructive Surgery .. >Pattern of cochlear obliteration after vestibular Schwannoma resection according to surgical approach
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Pattern of cochlear obliteration after vestibular Schwannoma resection according to surgical approach

机译：根据手术方法，前庭血管瘤切除后的耳蜗爆炸模式

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Objectives/Hypothesis To investigate the prevalence and course of cochlear obliteration according to microsurgical approach to inform clinical decision making regarding optimal timing of cochlear implantation. Study Design Retrospective radiologic review and chart review. Methods Patients who underwent microsurgical resection of vestibular schwannoma (VS) with a minimum of two available postoperative magnetic resonance imaging (MRI) scans were analyzed. The prevalence and timing of cochlear and labyrinthine obliteration was classified using relevant MRI sequences. Results MRI studies in 60 patients were analyzed: 20 translabyrinthine (TL), 20 retrosigmoid, and 20 middle fossa (MF) cases. The first and last postoperative MRI was obtained a median of 3.4?months (interquartile range (IQR), 3.0–3.7?months) and 35?months (IQR, 27–83?months) after surgery, respectively. At the time of the first postoperative MRI, 21 (35%) patients had partial basal turn obliteration, and none of the patients had complete basal turn obliteration. At the time of the last postoperative MRI, six (10%) patients had partial basal turn obliteration and 17 (28%) patients had complete basal turn obliteration. The pattern of partial or complete basal turn obliteration differed significantly among all three surgical approaches ( P ?.001). Specifically, the risk of partial or complete obliteration of the basal turn was highest in the TL cohort and lowest in the MF cohort. Conclusions The prevalence and timing of cochlear obliteration after VS microsurgery varies significantly according to surgical approach. The risk of early and complete obliteration is highest in the TL group and lowest in the MF cohort. These data may inform clinical decision making regarding optimal timing of cochlear implantation in patients with advanced hearing loss after microsurgical resection. Level of Evidence 4 Laryngoscope , 130:474–481, 2020
机译：目的/假设根据显微外科方法调查触摸障碍剥离的患病率和过程，以通知临床决策关于耳蜗植入的最佳时间。研究设计回顾性放射学综述和图表审查。方法分析了前医疗施瓦瘤（VS）的显微外科切除的患者，分析了至少两种可用的术后磁共振成像（MRI）扫描。使用相关的MRI序列对耳蜗和迷宫爆发的患病率和定时进行分类。结果分析了60例患者的MRI研究：20名译式（TL），20次逆剂和20个中窝（MF）病例。第一个和最后一个术后MRI获得3.4个月（IQR），3.0-3.7个？月份的中位数（intquarlile范围（IQR），3.0-3.7个月）和35个月（IQR，27-833333333个月），分别在手术后。在第一个术后MRI的时候，21例（35％）患者有部分基础转弯爆炸，患者没有完整的基础变成抹掉。在最后术后MRI的时候，六（10％）患者患者部分基础倒闭，17例（28％）患者已经完全基础倒闭。所有三种手术方法中，部分或完整的基础匝数湮灭的模式在显着不同（P <。001）。具体地，在TL队列中，基础转弯的部分或完全闭合的风险最高，在MF队列中最低。结论VS显微外科术后耳蜗爆发的患病率和时间根据外科手术方法而显着变化。早期和完全闭合的风险在TL组中最高，MF队列中最低。这些数据可以在显微外科切除后高级听力损失患者的耳蜗植入的最佳时间进行临床决策。证据水平4喉镜，130：474-481,2020

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