Hearing Preservation Surgery: Current Opinions

2009 ◽  
pp. 108-115 ◽  
Author(s):  
Edmund Fitzgerald O’Connor ◽  
Alec Fitzgerald O’Connor
Keyword(s):  
Hearing Preservation ◽  
Hearing Preservation Surgery

The Treatment Dilemma of Small Acoustic Neuroma and the Role of Hearing Preservation Surgery

Skull Base ◽  
2008 ◽  
Vol 18 (S 01) ◽  
Author(s):  
Francesco Biroli ◽  
Antonio Mazzoni ◽  
Camillo Foresti ◽  
Antonio Signorelli
Keyword(s):  
Acoustic Neuroma ◽  
Hearing Preservation ◽  
Small Acoustic Neuroma ◽  
Hearing Preservation Surgery

scholarly journals Hearing Preservation Surgery in Acoustic Neuroma Patients with Normal Hearing

Skull Base ◽  
1997 ◽  
Vol 7 (03) ◽  
pp. 109-113 ◽  
Author(s):  
Jin Kanzaki ◽  
Kaoru Ogawa ◽  
Yasuhiro Inoue ◽  
Ryuzo Shiobara
Keyword(s):  
Acoustic Neuroma ◽  
Hearing Preservation ◽  
Normal Hearing ◽  
Hearing Preservation Surgery

Magnetic Resonance Appearance of the Inner Ear After Hearing-Preservation Surgery

2006 ◽  
Vol 27 (3) ◽  
pp. 393-397 ◽  
Author(s):  
Frank M. Warren ◽  
David M. Kaylie ◽  
Joseph M. Aulino ◽  
C. Gary Jackson ◽  
Jane L. Weissman
Keyword(s):  
Magnetic Resonance ◽  
Inner Ear ◽  
Hearing Preservation ◽  
Hearing Preservation Surgery

Audiological outcome for hearing preservation surgery in acoustic neuroma: the need of agreement in reporting results

2019 ◽  
Vol 17 (2) ◽  
pp. 149-153
Author(s):  
S. Franchella ◽  
D. Borsetto ◽  
T. Mazzocco ◽  
D. Cazzador ◽  
E. Zanoletti
Keyword(s):  
Acoustic Neuroma ◽  
Hearing Preservation ◽  
Hearing Preservation Surgery

scholarly journals Hearing Preservation Surgery for Vestibular Schwannomas

2014 ◽  
Vol 2 (4) ◽  
pp. 235-241
Author(s):  
Rick F. Nelson ◽  
Marlan R. Hansen ◽  
Bruce J. Gantz
Keyword(s):  
Hearing Preservation ◽  
Vestibular Schwannomas ◽  
Hearing Preservation Surgery

scholarly journals Hearing Preservation Surgery via Retrosigmoid Approach with Retrolabyrinthine Meatotomy in Small Vestibular Schwannoma

2019 ◽  
Vol 80 (S 03) ◽  
pp. S281-S283 ◽  
Author(s):  
Diego Cazzador ◽  
Daniele Borsetto ◽  
Enrico Alexandre ◽  
Chiara Pavone ◽  
Domenico d'Avella ◽  
...  
Keyword(s):  
Care Center ◽  
Tertiary Care ◽  
Internal Auditory Canal ◽  
Hearing Preservation ◽  
Anatomical Landmarks ◽  
Main Function ◽  
Hearing Function ◽  
Brainstem Response ◽  
Unfavorable Condition ◽  
Hearing Preservation Surgery

Objectives Vestibular schwannomas (VS) extending into the internal auditory canal (IAC) are currently considered as an unfavorable condition for hearing preservation surgery (HPS) via retrosigmoid (RS) approach due to the poor direct visualization of the facial and cochlear nerves course through the IAC and the fundus during microsurgery. Design The operative steps are described in a surgical instructional video. Setting The surgery took place at a tertiary-care center. Participants Patient is a 45-year-old man who was incidentally diagnosed with an extrameatal VS extending for 9 mm into the left cerebellopontine angle (CPA). Hearing function at diagnoses was excellent, with pure tone average (PTA) = 15 dB and speech discrimination score (SDS) = 100% (class A according to the Tokyo classification) and minimal impairments on auditory brainstem response (ABR). Given these preoperative features in small VS, hearing was the main function to look into in the treatment planning. Initial observation or HPS were proposed. Results The patient underwent surgical excision for HPS via RS approach combined with retrolabyrinthine meatotomy (RLM). RLM enables the complete exposure of the IAC to the fundus, after drilling the bony surface of the posterior IAC wall, under guidance of the anatomical landmarks, namely, the endolymphatic duct, the blue lines of the posterior, and superior semicircular canals, and common crus. Nor intra-, neither postoperative complications occurred. Histologic examination confirmed the diagnosis of VS. A 3-month short-term follow-up revealed a class B hearing function with PTA = 30 dB, SDS = 100%, and normal facial nerve status. Conclusions RLM via RS approach proved to be effective for HPS, enabling the full course of the facial and cochlear nerves through the IAC to be directly exposed.The link to the video can be found at: https://youtu.be/KC1S4pxpLCk.

Hearing Preservation Surgery

2013 ◽  
Vol 34 (4) ◽  
pp. 667-674 ◽  
Author(s):  
Sarah Havenith ◽  
Marc J. W. Lammers ◽  
Rinze A. Tange ◽  
Franco Trabalzini ◽  
Antonio della Volpe ◽  
...  
Keyword(s):  
Hearing Preservation ◽  
Hearing Preservation Surgery

scholarly journals Usefulness of the radiological planning for hearing preservation surgery in vestibular schwannoma

2016 ◽  
Vol 38 (9) ◽  
pp. 1007-1011
Author(s):  
Kamil Krystkiewicz ◽  
Tymon Skadorwa ◽  
Paweł Szaro ◽  
Bogdan Ciszek
Keyword(s):  
Vestibular Schwannoma ◽  
Hearing Preservation ◽  
Hearing Preservation Surgery

Hearing preservation in surgery for large vestibular schwannomas

2009 ◽  
Vol 111 (4) ◽  
pp. 845-854 ◽  
Author(s):  
Masahiko Wanibuchi ◽  
Takanori Fukushima ◽  
John T. McElveen ◽  
Allan H. Friedman
Keyword(s):  
Pure Tone ◽  
Hearing Preservation ◽  
Hearing Level ◽  
Discrimination Score ◽  
Speech Discrimination ◽  
Pure Tone Average ◽  
Speech Discrimination Score ◽  
Class A ◽  
Abducent Nerve Palsy ◽  
Hearing Preservation Surgery

Object Hearing preservation remains a challenging problem in vestibular schwannoma (VS) surgery. The ability to preserve hearing in patients with large tumors is subject to particular difficulty. In this study, the authors focus on hearing preservation in patients harboring large VSs. Methods A total of 344 consecutive patients underwent surgical removal of VSs over the past 9 years. Of these 344 cases, 195 VSs were > 20 mm in maximum cisternal diameter. Of the 195 cases, hearing preservation surgery was attempted for 54 patients who had a Class A, B, C, or D preoperative hearing level; that is, a pure tone average ≤ 60 dB and speech discrimination score ≥ 50% according to the Sanna/Fukushima classification. The tumors were classified as moderately large (21–30 mm based on the largest extrameatal diameter), large (31–40 mm), and giant (≥ 41 mm) according to the international criteria. The authors categorized patients with Class A, B, C, D, or E hearing (pure tone average ≤ 80 dB and speech discrimination score ≥ 40%) as having preserved hearing postoperatively. Results Forty-one tumors (75.9%) were totally removed and 13 (24.1%) had near-total removal. Of the 54 patients, 29 maintained their hearing postoperatively; the overall hearing preservation rate was 53.7%. Analysis based on the preoperative hearing level showed that hearing was preserved in 14 (77.8%) of 18 cases for Class A; in 8 (47.1%) of 17 cases for Class B; in 4 (57.1%) of 7 cases for Class C; and in 3 (25.0%) of 12 cases for Class D. In addition, according to the analysis based on the tumor size, 20 (52.6%) of 38 patients with moderately large tumors retained their hearing, as did 5 (50.0%) of 10 patients with large tumors and 4 (66.7%) of 6 patients with giant tumors. Complications included 2 cases of bacterial meningitis that were cured by intravenous injection of antibiotics, 3 cases of subcutaneous CSF leakage that resolved without any surgical repair, and 1 case of temporary abducent nerve palsy. There were no deaths in this series. Conclusions The results indicate that successful hearing preservation surgery in large VSs is possible with meticulous technique and attention to adhesions between the tumor and the cochlear nerves.

Hearing preservation surgery in vestibular schwannoma

2006 ◽  
Vol 120 (5) ◽  
pp. 366-370 ◽  
Author(s):  
Tarek Khrais ◽  
Mario Sanna
Keyword(s):  
Vestibular Schwannoma ◽  
Tumour Size ◽  
Hearing Preservation ◽  
Neck Surgery ◽  
Hearing Level ◽  
Review Of Literature ◽  
Tertiary Referral Centre ◽  
Class A ◽  
Strong Inverse Relationship ◽  
Hearing Preservation Surgery

Objectives: To study the effect of pre-operative hearing level and tumour size on the hearing outcome of hearing preservation surgery for vestibular schwannoma.Study design and setting: A review of literature conducted at Gruppo Otologico, a tertiary referral centre for neurotology and skull base surgery.Results: A total of 1993 patients in 16 publications addressing the topic of hearing preservation surgery in vestibular schwannoma were analysed. The American Academy of Otolaryngology–Head and Neck Surgery hearing classification system was the classification upon which we based our analysis.Conclusion: Defining hearing preservation as class-A hearing, there was a strong inverse relationship between pre-operative hearing and post-operative hearing levels and between tumour size and post-operative hearing levels.

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