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1.
Article in Chinese | MEDLINE | ID: mdl-29798488

ABSTRACT

Objective:To analyze recent and long-term hearing outcomes of the patients with chronic otitis media after open tympanoplasty using titanium ossicular prosthesis. Method:Retrospectively analyzed total 84 cases after open tympanoplaty with titanium ossicular prosthesis. The hearing outcomes before and after surgery(6 months and 24 months) were compared. Result:The hearing levels in the cases were improved to different degrees after surgery.Significant differences were showed compared the average pure tone threshold/air bone gap before surgery with the average recent/long-term outcomes after surgery(P<0.01),and no significant difference could be found compared the recent and long-term outcomes after surgery. Conclusion:Hearing level could be improved in the patients after open tympanoplasty using titianium ossicular prosthesis,and the long-term outcome could be steady.

2.
Lin Chuang Er Bi Yan Hou Ke Za Zhi ; 14(4): 175-6, 2000 Apr.
Article in Chinese | MEDLINE | ID: mdl-12541496

ABSTRACT

OBJECTIVE: To prove that glutamate plays a role as transmitter in cochlear-herrus acusticus introduction. METHOD: Glutamate immunoreactivity (Glu-IR) was investigated in the cytoplasm of the hair cells ganglion cells, and nerve fibers in normal chickens by means of monoclonal antibody immunochemistry. RESULT: The tall hair cells reacted more strongly than the short hair cells. The supporting cells showed no positive stain. It was suggested that glutamate may be the transmitter or modulator in the chicken cochlea. CONCLUSION: Glutamate may act as transmitter in cochlear introduction.


Subject(s)
Glutamic Acid/physiology , Hair Cells, Auditory/metabolism , Animals , Chickens , Female , Immunohistochemistry , Male , Neurotransmitter Agents , Spiral Ganglion/metabolism
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