[Clinical observe of the middle ear malformation].
OBJECTIVE
To analyze the diagnosis and therapeutic effect of the middle ear abnormalities.


METHODS
65 ears from 1967 to 1996 were reviewed. The degrees of the ossicular abnormalities were analyzed, operative effect were valued.


RESULTS
In the 65 ears, incus abnormalities was 57 ears (87.7%), stapes was 55 ears (84.6%), mixed malformation was dominant. 47 ears were operated with ossicular chain reconstruction. 44 ears (93.6%) had hearing improvement, 32 ears (68.1%) had obviously improvement (> 20 dB). They were followed up over one year, 44 ears had steadily hearing and had not any complications.


CONCLUSIONS
If diagnosis and interference were all proper, operation would obtain good result.
Yin
G H
GH
Fourth People's Hospital, Shanghai 200081.
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D005500:Follow-Up Studies; D006309:Hearing; D006314:Hearing Loss, Conductive / Q000175:diagnosis / Q000601:surgery*; D006801:Humans; D007188:Incus / Q000002:abnormalities*; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D013199:Stapes / Q000002:abnormalities*; D013201:Stapes Surgery / Q000379:methods*