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例1,男,20岁。右耳鼓膜干性穿孔2年。1982年3月1日入院,耳咽管测压30mmHg。3月11日行耳屏软骨膜鼓膜修补,中耳腔用明胶海绵作垫,术后第2天出现耳鸣似蝉叫,头晕。13天耳道棉片取出,移植膜生长良好,头晕消失,但耳鸣加重,听力下降。1月后电测听检查骨气导消失,声阻抗检查为神经性耳聋,随访2年,患者仍耳鸣、耳聋。例2,男,22岁。左耳鼓膜干性大穿孔,1983年10月4日入院,耳咽管测压20mmHg,10月8日行左鼓膜修补术。术后4小时觉耳胀,次日上午眩晕,取
Example 1, male, 20 years old. Right eardrum dry perforation 2 years. March 1, 1982 admission, Eustachian tube manometry 30mmHg. On March 11, the tragus was repaired. The middle ear cavity was covered with gelatin sponge. Tinnitus-like cicadas appeared on the 2nd day after surgery and were dizzy. Removal of 13 days ear canal, transplantation membrane growth well, dizziness disappeared, but tinnitus increased, hearing loss. In January after the electrical test to check the loss of bone conduction, acoustic impedance test for neurological deafness, followed up for 2 years, patients are still tinnitus and deafness. Example 2, male, 22 years old. Left ear tympanic dry perforation, admitted to hospital on October 4, 1983, auricular tube manometry 20mmHg, October 8 left tympanic membrane repair. Ear swelling 4 hours after surgery, the next morning dizziness, take