CONCLUSION Retrograde catheteration via eustachian tube combined with tympanic cavity irrigation and Ambroxol Hydrochloride injection is an effective method for SOM.

• 结论逆行咽鼓管插管行鼓室冲洗，盐酸氨溴索注药是治疗分泌性中耳炎安全有效的方法。