Eustachian-tube patency in chronic ears. Pre-operative evaluation correlated to postoperative results.
D002908:Chronic Disease; D004427:Ear Diseases / Q000503:physiopathology*; D005064:Eustachian Tube / Q000503:physiopathology*; D006801:Humans; D009225:Myringoplasty; D011300:Preoperative Care; D011312:Pressure; D014432:Tympanic Membrane; D014433:Tympanoplasty