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Khiếu Hữu Thanh, Lương Hồng Châu, Nguyễn Thị Ngoan(1)

Nghiên cứu chức năng tai giữa trong xẹp nhĩ toàn bộ qua thính lực và nhĩ lượng

To analyze function of middle ear on total atelectasis by audiometry and tympanometry

Tai Mũi Họng Việt Nam

2014

3

22-27

1859-3704

Objective: To analyze function of middle ear on total atelectasis by audiometry and tympanometry. Materials and method: Clinical observations were made on 48 ears from 44 patients who had operated total atelectasis at The Vietnam National Hospital of Otorhinilaryngology from 2010 to 2012. ResulJ: Air bone gap (ABG) on total atelectasis was 28,6 +/- 11,39 dB, ABG at the 4th grade was significantly more than the 2nd grade and 3rd grade with p0,05. The tympanometry presenting in most cases was type B or C, peak of volumne was -168,2 +/- 95,53 daPa. Conclusion: Total atelectasis reflected the negative pressure of middle ear, the fixation of tympanum and ossicular or discontinued ossicular, caused decreasing hearing and ventilation function.

TTKHCNQG, CVv 348