[Clinical observe of the middle ear malformation].

OBJECTIVE

To analyze the diagnosis and therapeutic effect of the middle ear abnormalities.

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

RESULT: 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.

CONCLUSION

If diagnosis and interference were all proper, operation would obtain good result.