Abstract：
:Intraoperative monitoring systems that utilize various evoked potentials for the detection and/or preservation of cranial nerves have become increasingly common due to recent technical and commercial developments, particularly during skull base surgeries. We established a novel system for the intraoperative monitoring of the extraocular motor nerves (eOMNs) using a piezoelectric device capable of detecting imperceptible vibrations induced by ocular movement, with sensors placed on the eyelids alone. We first evaluated the efficacy and reliability of this device for the intraoperative monitoring of eOMNs in two Beagle dogs. Based on the results, we then determined the appropriate stimulation parameters for use in human surgical cases involving removal of various skull base tumors. Animal experiments revealed that a 0.4 mA monopolar electrical stimulation was required to elicit significant responses and that these responses were not inferior to those obtained via the electrooculogram/electromyogram. Significant responses were also detected in preliminary clinical investigations in human patients, following both direct and indirect monopolar electrical stimulation of the oculomotor and abducens nerves, although obtaining responses from the trochlear nerve was difficult. Intraoperative monitoring using a piezoelectric device provides a simple and reliable method for detecting eOMNs, especially the oculomotor and abducens nerves. This monitoring system can be adapted to various surgeries for skull base tumor.
journal_name
Neurosurg Revjournal_title
Neurosurgical reviewauthors
Sakata K,Suematsu K,Takeshige N,Nagata Y,Orito K,Miyagi N,Sakai N,Koseki T,Morioka Mdoi
10.1007/s10143-018-1028-zsubject
Has Abstractpub_date
2020-02-01 00:00:00pages
185-193issue
1eissn
0344-5607issn
1437-2320pii
10.1007/s10143-018-1028-zjournal_volume
43pub_type
杂志文章abstract：:Papillary meningioma (PM) is a rare central nervous system tumor. We aimed to analyze the characteristics and outcomes of patients with PM (WHO grade III) and identify risk factors that influence survival using the Surveillance, Epidemiology, and End Results (SEER) database. Clinical characteristics, tumor features, a...
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journal_title：Neurosurgical review
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journal_title：Neurosurgical review
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pub_type： 杂志文章,meta分析,评审
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pub_type： 临床试验,杂志文章
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更新日期：2014-04-01 00:00:00
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pub_type： 杂志文章,meta分析,评审
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pub_type： 杂志文章,评审
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更新日期：1993-01-01 00:00:00
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journal_title：Neurosurgical review
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journal_title：Neurosurgical review
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pub_type： 临床试验,杂志文章
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pub_type： 杂志文章,meta分析,评审
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