2015 Fiscal Year Final Research Report
Practical application about inner ear surgery using laser
| Project/Area Number |
24592561
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Otorhinolaryngology
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| Research Institution | Showa University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
NOGAKI Taketoshi 昭和大学, 医学部, 講師 (10384463)
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| Co-Investigator(Renkei-kenkyūsha) |
NOMURA Yasuya 昭和大学, 医学部, 客員教授 (30009948)
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| Project Period (FY) |
2012-04-01 – 2016-03-31
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| Keywords | 内耳 / レーザー手術 / めまい |
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| Outline of Final Research Achievements |
Repositioning maneuver is an effective treatment for BPPV, but sometimes we experience recurrences and intractable cases. Singular neurectomy, canal plugging, and laser partitioning have been reported as treatment for intractable BPPV.
We attempted laser irradiation for intractable BPPV patients.This time, we measured the internal temperature during laser irradiation using human dry temporal bones. When the canal was irradiated continuously, the internal temperature of the canal rose continuously up to 92℃.The vestibule showed no change of the temperature. When a black dot marked on the canal, the internal temperature of the canal rose to 83℃ immediately. The internal temperature of the semicircular canal is 80-90℃ at the highest.It remains within a very limited area.It is safe, and there is no damage to the cochlea.
To irradiate efficiently, drilling the surface of the semicircular canal thin, exposing blue line adequately, and markingk black dots on the blue line .
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| Free Research Field |
耳鼻咽喉科
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