2.1 Patient Selection
This study was carried out in removed for blind peer
review from April 2019 to March 2020. in order to compare the
difference of group ITD and ITL in the patients, the two groups of
patients who treated with dexamethasone and lidocaine were included in
this study. All the patients were diagnosed with Ménière’s disease
according to the AAO-HNScriteria:
• i.e.≥2 episodes of spontaneous paroxysmal vertigo lasting ≥ 20
minutes;
• sensorineural hearing loss on ≥ 1 audiogram;
• tinnitus or earfullness;
• and other causes ruled out[5].
Exclusion criteria: no external ear, middle ear and other inner ear
diseases locally, no systemic disease such as diabetes, hypertension and
malignant tumor. This study program has been approved by the ethics
committee of removed for blind peer review , and all
patients have signed informed consent before treatment.