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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 .. >Modified translabyrinthine approach and hearing preservation.
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Modified translabyrinthine approach and hearing preservation.

机译：改良的迷宫式方法和听力保护。

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OBJECTIVES/HYPOTHESIS: In 1991, the translabyrinthine approach was modified by sealing the vestibule with bone wax, which allowed preservation of the hearing function in one patient. The present study aimed specifically at evaluating the effectiveness of the modified translabyrinthine approach in preserving hearing function in a group of patients with vestibular schwannoma that involved the internal auditory canal. STUDY DESIGN: Prospective study. METHODS: The series consisted of 12 patients with vestibular schwannoma (average age, 49.7 y). The schwannoma was smaller than 2 cm in all patients who had surgery. The patients accepted for the study were required to have preserved hearing function. RESULTS: None of the patients has shown signs of persistence or tumoral relapse on postoperative magnetic resonance imaging. Immediately after surgery, the entire group had excellent facial functionality. Six patients had maintained their hearing function (four in Class 1 and two in Class 2 according to the Gardner-Robertson scale) at the last follow-up after surgery. A patient during follow-up noted fluctuating hearing contemporarily with a tinnitus in the ear that had maintained its hearing, which was attributable to an endolymphatic hydrops. Three of the six patients with preserved hearing complained of persistent tinnitus. None of the patients had any of the complications or consequences of cerebellopontine surgery. CONCLUSION: In our patients, Class 1 or 2 hearing was preserved in 50% of the patients, with no persistence or tumoral relapse. The follow-up has obviously been short, but the first results are encouraging and deserve to be studied further in a more comprehensive survey.
机译：目的/假设：1991年，通过用骨蜡密封前庭对经迷宫式方法进行了改良，从而可以保留一名患者的听力。本研究专门针对评估改良的迷宫式方法在保留内听道的前庭神经鞘瘤患者群中保持听力功能的有效性。研究设计：前瞻性研究。方法：该系列包括12例前庭神经鞘瘤患者（平均年龄49.7岁）。在所有接受手术的患者中，神经鞘瘤均小于2 cm。接受研究的患者需要保留听力功能。结果：没有患者在术后磁共振成像中显示出持续性或肿瘤复发的迹象。手术后，整个小组的脸部功能都非常出色。在手术后的最后一次随访中，有六名患者保持了听力功能（根据Gardner-Robertson量表，其听力功能保持不变（1级为4级，2级为2级）。随访期间的一名患者注意到，听力同时发生波动，且耳内耳鸣可保持听力，这可归因于内淋巴积液。听力恢复的六位患者中有三位抱怨持续耳鸣。所有患者均无小脑桥脑手术的任何并发症或后果。结论：在我们的患者中，50％的患者保留了1级或2级听力，没有持续性或肿瘤复发。后续活动显然很短，但是最初的结果令人鼓舞，值得在更全面的调查中进一步研究。

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