The prognostic significance of the air volume in the middle ear for the tendency to recurrence of secretory middle ear condition
International Journal of Pediatric Otorhinolaryngology(1983)
摘要
The incidence of recurrence of secretory middle ear conditions (SMEC) in the course of the first 3 months after extrusion of a grommet was evaluated in 172 tubulated patients in relation to a number of background variables in a stepwise logistic regression analysis. The background variables were: treatment period, 3-month period (season) of extrusion, sex, age, air volume in the middle ear, diagnosis (unilateral/bilateral, suppurative/non-suppurative and consequently antibiotics), other treatment apart from a grommet (paracentesis and/or adenoidectomy), and a history of allergy. There was a definite correlation between the incidence of recurrence and the air volume in the middle ear, as determined by physical volume test, after correction for age, recurrences being most common in ears with a small middle ear volume. In addition, there was a relationship, but not as marked, between the incidence of recurrence and age after correction for the middle ear volume, recurrences being less common in older patients. None of the other background variables played a statistically significant role when correction was made for age and middle ear volume.
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关键词
middle ear effusion,middle ear air volume,physical air volume test,adenoidectomy
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