the tube can not be inserted .
You should have had improvement in hearing .
Now what you can do is get pure tone audiometry
test (hearing test) done to see for the status of hearing and discuss with your doctor .
You may also require antibiotics and decongestants so that the hearing is not affected by any fluid collection or edema and the test results are correct.
In addition tell to your audiologist about what happened so that he can look out for nay loss and can come to a conclusion.
In doubt do reply