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该诊所自1969年1月至1977年7月初诊病例计37,588, 外伤性鼓膜穿孔227例,占0.6%,1例双侧穿孔。男114,女113;年龄1～78岁。穿孔分四级:Ⅰ级,穿孔面积占紧张部不足25%;Ⅱ级,占25～50%或多发性穿孔累及两个象限;Ⅲ级,占50～75%或多发性穿孔累及三个象限;Ⅳ级穿孔占75～100%。根据资料完整的148例分析,与穿孔愈合有关的因素如下:性别不影响穿孔愈合;年龄:30岁以下比30岁以上愈合率明显增高;随穿孔增大,不愈合的百分率增加;穿孔部位:后上和非
In the clinic from January 1969 to July 1977, a total of 37,588 new cases were diagnosed, 227 cases of traumatic tympanic membrane perforation, accounting for 0.6% and 1 case of bilateral perforation. Male 114, female 113; aged 1 to 78 years old. Perforation is divided into four levels: Ⅰ level, perforation area accounts for less than 25% of the tension; Ⅱ level, accounting for 25 to 50% or multiple perforation involving two quadrants; Ⅲ, accounting for 50 to 75% or multiple perforation involving the three quadrants ; Ⅳ grade perforation accounted for 75 to 100%. According to the 148 cases of complete data analysis, the factors related to perforation healing are as follows: sex does not affect perforation healing; age: 30 years of age was significantly higher than the 30-year-old healing rate; with perforation increases, the percentage of nonunion increases; perforation site: After the upper and lower