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作者利用声阻抗听力计对75例病人进行了鼓室压的动态观察。结果:(1)15例鼻中膈手术(经口插管全麻下)后行双侧前鼻孔填塞:46％患者的鼓室压为C_1(-100～-199mmH_2O)及C_2(-200～-350mmH_2O)型。取出填塞物后压力很快恢复正常,一周后所有患者鼓室压均为A(0～-99mmH_2O)型。(2)5例因鼻衄行单侧前
The authors performed a dynamic observation of tympanic pressure in 75 patients using an acoustic impedance audiometer. Results: (1) Bilateral anterior nasal packing was performed in 15 cases of nasal median mediastinal surgery under oral anesthesia: the tympanic pressures of C_1 (-100 ~ -199mmH_2O) and C_2 (-200 ~ 350mmH_2O) type. After removing the stuffing pressure quickly returned to normal, all patients after a week tympanic pressure is A (0 ~ -99mmH_2O) type. (2) 5 cases due to epistaxis unilaterally