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| http://dx.doi.org/10.14639/0392-100X-N1587 | DOI Listing |
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Intraoperative Continuous Neuromonitoring for Vestibular Schwannoma Surgery: Real-Time, Quantitative, and Functional Evaluation.
World Neurosurg
February 2022
Department of Neurosurgery, Tokyo Medical University, Shinjuku-ku, Tokyo, Japan.
Article Synopsis
- In vestibular schwannoma surgery, neuromonitoring is crucial for safely removing the tumor while protecting neurological function.
- An effective monitoring method should provide real-time alerts, quantitative data, and functional assessments rather than just mechanical ones.
- The surgical video illustrates a successful procedure using continuous monitoring techniques, ensuring the patient experienced no postoperative issues with facial or hearing abilities.
Response to: "Transmeatal microsurgery for intralabyrinthine and intrameatal schwannomas: literature review".
Acta Otorhinolaryngol Ital
June 2021
Section of Otolaryngology, Department of Neurosciences DNS, Padova University, Padova, Italy.
Hearing preservation in vestibular schwannoma surgery via retrosigmoid transmeatal approach.
Acta Neurochir (Wien)
November 2019
Department of Neurosurgery, Tokyo Medical University, No. 6-7-1 Nishi-shinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
Background: Advances in various diagnostic and/or treatment modalities, including radiological imaging, neuromonitoring, and microsurgical techniques, have resulted in treatments of vestibular schwannomas being aimed at preserving facial and hearing functions while achieving optimal tumor control.
Method: We describe our surgical technique for hearing preservation in vestibular schwannoma surgery.
Conclusion: The retrosigmoid transmeatal approach under continuous neuromonitoring (auditory brainstem response, cochlear nerve action potentials, and continuous facial nerve monitoring) enables gross-total resection of vestibular schwannomas, while preserving hearing and facial functions.
Retrosigmoid Approach for Vestibular Schwannoma.
J Neurol Surg B Skull Base
June 2019
Department of Neurosurgery, University of Colorado, Aurora, Colorado, United States.
Vestibular schwannoma is a benign tumor that affects 3% of the population, but accounts for 85% of tumors occurring at the cerebellopontine angle (CPA). In this case, we present a 48-year-old female with history of cholesteatoma on the right and chronic suppurative otitis media on the left who presented with an 18 month history of bilateral hearing loss, worse on the right. Investigations revealed a right sided vestibular schwannoma measuring 1.
View Article and Find Full Text PDFThe present article reports on our experience with hearing preservation during 158 acoustic neuroma (AN) operations via the retrosigmoid-transmeatal (RS-TM) approach with the aid of intraoperative auditory monitoring. Several auditory monitoring methods are described. Of these, the bipolar cochlear nerve action potential (CNAP) was found to be the most helpful in preserving hearing.
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