Primarily assess the results of treatment retraction pocked

ABSTRACT

A study on 32 retraction pocked patients at various stages showed that each stage of the retraction pocked should be done by one kind of technique. Four cases were treated by ventilation tube alone and 21 cases treated by ventilation tube combining with a cartilage placed in the tympanic cavity gave best result, 7 cases treated by ventilation tube combining with open the above ear . Ventilation tube alone did not improve hearing as well as the recovery of eardrum at surgery position. Ventilation tube combining with a cartilage placed in the tympanic cavity to prevent eardrum attack gave best results: